DD AMC Boiler

Document Sample
DD AMC Boiler Powered By Docstoc
					                           damaaodr GaaTI inagama
                DAMODAR VALLEY CORPORATION
                        maoijayaa tap ivaVut kond`
                 MEJIA THERMAL POWER STATION
                    pao -emaTIpIesa, ijalaa- baa^kuD,a, piScama baMgaala
              P.O.-MTPS, Dist-Bankura-722183, West Bengal.




                          TENDER DOCUMENTS

Annual Maintenance Contract for Milling Plants(Coal Mills, PA Fans, Seal
  Air Fans, Coal Feeders and their auxiliary equipment & Gates, Ducts,
Dampers, Pulverized Fuel Piping etc) of Units 1, 2, 3, 4, 5 & 6 of MTPS,DVC



Notice Inviting Tender No. MT/O&M/QSF-05-06-01/ 279         Date:12/07/2010




                                    1
                                               INDEX

    A. Short NIT, NIT along with information for EMD, Eligibility Criteria and others.

    B. Technical Specification For Annual Maintenance Contract Of Milling Plants of Units 1, 2, 3, 4, 5& 6 of
       MTPS, DVC.

    C. Format for Bank Guarantee (B.G.) in lieu of EMD & guide line for submission of B.G.

    D. Instruction for furnishing B.G.

    E. Proforma of Bank Guarantee for Security Deposit-cum- Performance Guarantee.

    F. Techno-commercial Deviation Schedule.

    G. Cost of Withdrawals.

    H. Format for Price Bid.




\

                                                 2
                                      damaaodr GaaTI inagama
                             DAMODAR VALLEY CORPORATION
                                     maoijayaa tap ivaVut kond`
                              MEJIA THERMAL POWER STATION
                                pao -emaTIpIesa, ijalaa- baa^kuD,a, piScama
baMgaala
                         P.O.-MTPS, Dist-Bankura-722183, West Bengal

                                        Open Tender Notice

Notice Inviting Tender No. MT/O&M/QSF-05-06-01/279 dtd.12.07.2010

     For and on behalf of Damodar valley Corporation Sealed Tender is invited by SE (T),
MTPS, DVC for the job – ―Annual Maintenance Contract for Milling Plants(Coal Mills, PA
Fans, SealAir Fans, Coal Feeders and their auxiliary equipment & Gates, Ducts,Dampers,
Pulverized Fuel Piping etc) of Units 1, 2, 3, 4, 5 & 6 of MTPS,DVC”
       .
  1. Estimated Cost: Rs. 3, 53,06,996/-
  2. Earnest Money: Rs.7,06,140/-
  3. Cost of Tender Paper: Rs.3,000/-
  4. Period of sale of tender paper - 26/07/2010 to 28/08/2010 (10 A.M. to 3 P.M.).
  5. Last date of Submission of tender paper – 30/08/2010 (upto 3:00P.M.).
  6. Date of opening – 30/08/2010 (at 3.30 P.M.).
  7. Contract Period – The Contract will remain valid for a period of 01(one) year from the
  date of actual commencement of the work. However, the contract may be extended for a
  further period of 01(one) year at the same rate and terms & conditions subject to review
  of performance of the contractor after one year.
    At any time prior to the deadline for submission of bids ,the purchaser may, for any reason,
  whether at it‘s own initiative or in response to the clarifications requested by the prospective bidders
  , amend the bidding documents after due approval of competent authority. Any
  addendum/corrigendum/extension , if required pertaining to this NIT will be hosted in DVC‘s
  Website only and will not be published in the newspapers. Bidders are requested to visit DVC
  website regularly for any addendum/corrigendum/extension till date of opening of bids.
    For further queries intending bidders may please contact Office of SE(T),DVC, MTPS.
    For details please visit us at our Website, www.dvctender.com., & www.dvcindia.org.

    This has got approval of Chief Engineer-I(O&M) and Project Head.




                                       Superintending Engineer (Tech.), MTPS(O&M), DVC.
                                          For & on behalf of Damodar Valley Corporation




                                                   3
                                       damaaodr GaaTI inagama
                            DAMODAR VALLEY CORPORATION
                                    maoijayaa tap ivaVut kond`
                             MEJIA THERMAL POWER STATION
                                pao -emaTIpIesa, ijalaa- baa^kuD,a, piScama baMgaala
                          P.O.-MTPS, Dist-Bankura-722183, West Bengal.

                                    OPEN TENDER NOTICE

   Notice Inviting Tender No. MT/O&M/QSF-05-06-01/279                            Date: 12/07/2010

        Sealed Tender in 02 (two) parts containing 03 (three) envelopes:
 A)1st Envelope: Earnest Money Deposit and Cost of Tender Paper (if downloaded from Web
 site).
 B) 2nd Envelope (Part – I ): containing Technical and Commercial Bid. C) 3rd Envelope ( Part – II
 ): containing the Price Bid. in duplicate is invited by Superintending Engineer (Tech.),
 MTPS(O&M), Damodar Valley Corporation, Mejia Thermal Power Station, P.O-MTPS, Dist :
 Bankura, West Bengal, for ―Annual Maintenance Contract for Milling Plants(Coal Mills, PA
 Fans, Seal Air Fans, Coal Feeders and their auxiliary equipment & Gates, Ducts,Dampers,
 Pulverized Fuel Piping etc) of Units 1, 2, 3, 4, 5 & 6 of MTPS,DVC.‖

  All the three envelopes must be sealed and kept in the main envelope by way of marking the
envelope correctly as Tender Fees & EMD, Part- I (Technical and Commercial Bid), & Part-II
(Price Bid) respectively along with Tender Notice Number, Date and Due Date of Opening
superscribed on the envelopes and the main envelope must be superscribed with Tender Notice
Number, Date and Due Date of Opening and with specific mention of           ―Annual
Maintenance Contract for Milling Plants(Coal Mills, PA Fans, Seal Air Fans, Coal Feeders and
their auxiliary equipment & Gates, Ducts,Dampers, Pulverized Fuel Piping etc) of Units 1, 2, 3, 4, 5
& 6 of MTPS,DVC.‖
  1. Estimated Cost: Rs. 3,53,06,996/-
     [ Rs.2,40,95,520/- for mandatory job + Rs.1,12,11,476/- for optional job]

  2. Earnest Money: Rs.7,06,140/-

  3. Cost of Tender Paper: Rs.3,000/-

  4. Period of sale of tender paper - 19/07/2010 to 21/08/2010 (10 A.M. to 3 P.M.).

  5. Last date of Submission of tender paper – 23/08/2010 (upto 3:00P.M.).

  6. Date of opening – 23/08/2010 (upto 3:30P.M.).

  7. Contract Period – The Contract will remain valid for a period of 01(one) year from the date
  of actual commencement of the work. However, the contract may be extended for a further
  period of 01(one) year at the same rate and terms & conditions subject to review of
  performance of the contractor after one year.
 8. Non-transferable tender papers will be available in the office of the SE (Tech.), DVC,

                                                 4
     MTPS(O&M), Bankura(Pin-722183) on all working days during the period of sale of tender
     paper as mentioned above, except Sundays and Holidays against proof deposit of Cost of
     Tender Paper, being of Rs.3,000/- (Rupees three thousand) only which is to be deposited in
     The Office of The Addl. Chief Accounts Officer, MTPS, DVC or against submission of
     Demand Draft for equivalent amount favoring Damodar Valley Corporation, MTPS (O&M)
     payable either at UBI Extn. Counter, MTPS Br. (Code No. MPS F-56) or SBI, MTPS Br. (Code
     No. 6608). Deposition of Cost of tender paper is subject to our prior permission. Money Order
     towards cost of tender paper will not be accepted. Request for tender paper by post will not be
     entertained. No tender paper will be sold on the date of opening of tender. Incase the
     tender opening date happens to be a holiday the same will be opened on the next working day.
     Designated officers specially assigned for this purpose is S.E(Tech), DVC,MTPS and
     no other persons are authorized to discuss for or to receive any tender or to grant for tenders
     delivered by hand.

9.  For obtaining tender paper, the intending tenderers should apply to the Superintending
   Engineer (Tech.), MTPS (O&M), DVC.
10. The complete bid documents / tender paper are also available on DVC‘s website:
     www.dvctender.com & www.dvcindia.org. The intending tenderers may visit the said
     websites for participating in the tender process after necessary downloading of the bid
     documents for which no prior permission is essential. In that case Tender fee is to
     be submitted in the form of ―Demand Draft favoring Damodar Valley Corporation,
     MTPS (O&M) payable either at UBI Extn. Counter, MTPS Br. (Code No. MPS F-56) or
     SBI, MTPS Br. (Code No. 6608)‖ alongwith the sealed Tender in the envelop of EMD
     (Earnest Money Deposit) i.e,1st Envelop.

11. DVC shall not be responsible in any way for any delay/ difficulties/ inaccessibility of
      t he downloading facility from the website for any reasons whatsoever.
12. Any act on the part of the Tenderer(s) being found to be indulging in changing/ adding or
    deleting the content of the downloaded Tender Documents will attract punitive action as
    deemed appropriate including banning, suspension of business dealings with DVC, etc.
13. In case any discrepancies found between the downloaded Tender Documents from the
    website and the master copy available in the Office of the Tender Inviting Authority,
    the later shall prevail and will be binding on the Tenderer(s). No claim/ appeal on this
    account will be entertained or given cognizance to.
14. Tenderer(s) will be solely responsible for the correctness/ genuineness of the downloaded
    Tender Documents from the website. If the offer submitted through the downloaded tender
    documents which are incomplete, or with changed content, the offer will be summarily
    rejected.
15. Quotation submitted by the tenderer(s) through FAX/ e-mail will not be considered valid.
16. Small scale industries registered with NSIC shall be issued the Tender Documents free of
    cost subject to production of the documentary evidence like valid Registration
    Certificate from appropriate Govt. authority giving details such as – Validity, Stores etc.
17. Offers should invariably be kept open for acceptance for 180 (Hundred eighty) days from
    the date of opening of tenders and quoted rates shall remain firm throughout the tenure of
    the Contract once the order is placed within validity period.
18. All tenderers would be bound by the terms and conditions as detailed in tender specifications
    by the DVC and General Conditions of Contract..
19. Tender documents issued in the name of a party is not transferable.
20. Eligibility criteria for selection of tenderer (Qualifying Requirements):-



                                                  5
A.Documents in support of having successfully completed similar works during last seven years
ending last day of month previous to the one in which offers are invited should be one of the
following. Total estimated value for evaluation of the credential shall be considered based on the total
estimated price for the Mandatory part of the AMC jobs i.e Rs.2,40,95,520/- (Rupees two crore forty
lakh ninety five thousand five hundered twenty) only .
a) Three similar completed works each costing not less than the amount equal to 40% estimated cost.
OR
b) Two similar completed works each costing not less than the amount equal to 50% estimated cost.
OR
c) One similar completed work each costing not less than the amount equal to 80% estimated cost.
Completed works means:-
―The executed/completed portion of work order/AMC/RC, even if the work has not been completed
in totality (Subject to furnishing proof of executed value of the work in the form of certif ied copies of
RA Bills)‖

 ―Similar Work‖ means undertaking AMC for the Milling Plant of 210 MW Unit capacity or
above comprising of Coal Mill, P.A fan, Seal Air Fan etc along with other auxiliaries of the
Milling Plant of a thermal power plant. The bidders must have exposure in the maintenance of
Milling Plant of type Coal Mill-BBD-4760/4772 as an AMC contractor either in the capacity of
principal vendor/sub vender to the main contractor having exposure/experience of executing
such work as a single package in power utility. The work exposure in BBD mills is mandatory.
For the purpose of evaluation the total contract value wherein work value of BBD mills may
constitute a part or the whole shall be reckoned to be the defining amount of set forth criteria
under A(a), (b), (c) above.

B. Apart from submitting the self authenticated copies of above documents the bidders should furnish
the following:-
01) Average Annual Turn Over of preceding three years. Average Annual Turnover (AAT) of the
participating firm during last three years ending 31st March‘10 should be at least 30% of the estimated
cost of the Tender.
02) Monetary limit of credit / overdraft facility from any schedule Bank is to be submitted along with
the tender,if any.
03) Annual Accounts of preceding three financial year along with profit & loss A/C and Balance
Sheet.
04) Overall profitability and cash profit as certified by Auditor.
05) Valid documents indicating status of the organization (i.e. Proprietorship/ Partnership firm /
Company Registration as the case may be).
06) Latest Service Tax Registration Certificate of the participating firm.
07) EPF Registration certificate of the Firm.
08) ESI Registration certificate of the Firm.

Note: - In the event of all the participating vendors, having experience/exposure of similar jobs,fails
to meet determining value as under A(a), (b), (c) & B (01), 5% relaxation on the determining value
shall be granted as per prevailing statute of DVC. In other words, if the determining value as
mentioned above falls short by not more than 5% all such bidder shall however be considered
eligible.
The maximum permissible relaxation shall be to the extent of 5% only. In case of shortfall exceeds
5% the bidder shall not be considered eligible.

 21. Deviation Sheet as per format given with the Tender documents must be submitted.

 22. THE SIGNATORIES FOR THE OFFER MUST ENCLOSE THE DOCUMENT
     PROVING THEIR AUTHORITY TO DO SO ALONG WITH THE BID.

                                                    6
    23. Before filling the offers, bidders are requested to go through the General Condition of
        Contract (GCC) DVC, available in DVC website , in order to familiarize with DVC‘s
        commercial terms and conditions, Cost Compensations for deviations and bid

        evaluation procedure.
    24. The bidder is also advised to visit and examine the site. The costs of visiting the site shall be at
        the bidder‘s own expense.
    25 DVC reserves the right not to accept the lowest rate quoted by a Tenderer and reject any or all
        the tenders and to split up and award the Contract to more than one tenderer without assigning
        any reason thereof.
    26. Unsigned offer submitted by any bidder will not be considered valid.
    27. Self certified Xerox copies of all relevant documents, wherever needed to be enclosed with the
        offer. However, DVC reserves the right to call for original document, if needed, failing which
        the offer is liable for rejection.
    28. Conditional discount will not be considered for evaluation of bids.

     29. Earnest Money of Rs.7,06,140/- (Rupees          seven lakh six thousand one hundred
     forty) only must be deposited in any of the following form.
     a. Crossed Demand Draft or Pay Order of any schedule bank drawn in favour of Damodar
   Valley Corporation, MTPS (O&M), payable at UBI, MTPS Extn. Counter (Code No. MPS F-
   56) or SBI, MTPS Br. (Code No.- 6608).
   b. Bank Guarantee from a Nationalized Bank / Schedule Bank/ Foreign Bank irrevocable and
   operative till the validity of the offer (180 days) as per enclosed Proforma with the Tender
   documents.
   c. Post Office National Savings/ National Defence Deposit Certificate duly pledged in favour
   of DVC.
   d. Fixed Deposit receipt issued by Nationalised Bank endorsed in favour of DVC.
    e. DVC bonds duly endorsed in favour of DVC.
   Tenders not accompanied with/ supplied with Earnest Money and Tender fee (if downloaded from
   website) will not be opened and summarily rejected. Earnest Money of the unsuccessful Tenderers
   shall be refunded after finalisation of the contract. No interest will be paid thereon. Earnest
   Money of the successful Tenderers shall be refunded after submission of Security Deposit and
   acceptance of the same by DVC and execution of the Agreement.
   30. Exemption from EMD
   Small Scale Industries registered with NSIC shall be exempted from the payment of EMD.
   SSI units seeking such exemption must enclose valid Registration Certificate from appropriate
   Govt. authority giving details such as validity, stores etc.
31. In course of techno-commercial evaluation the past performance of the bidder in any of the
    formation of DVC will be duly taken care of and the same shall be quintessential criteria of its pre-
    qualification.
32. At any time prior to the deadline for submission of bids, the Purchaser may, for any reason,
    whether at its‘ own initiative or in response to the clarifications requested by the prospective
    bidders, amend the biding documents after due approval of competent authority. Any
    addendum/corrigendum/extension if required pertaining to this NIT will be hosted in DVC’s
    website only and will not be published in the Newspapers. Bidders are requested to visit DVC
    website regularly for any addendum/extension/corrigendum till date of opening of bids.

33. All tenderers would be bound by the terms and conditions as detailed in tender specifications by
    the DVC and enclosed General Conditions of Contract. Terms and Conditions which are not

                                                       7
 specifically mentioned in the NIT& Tender documents shall be covered by the General Conditions
 of Contract.




 34. Settlement of disputes and Arbitration: It will be guided as per Clause of General Condition of
 Contract (GCC).The bidder may visit www.dvctender.com or www.dvcindia.org for GCC.
35.No man-power shall be provided by DVC for maintenance work. However necessary co-
ordination will be arranged by the DVC Engineer-in-charge or his representative.

36. No labour of minor age group shall be employed in the work. Statutory minimum wages to all
skilled/unskilled labour shall be paid by the contractor as per the latest notification of the
government/local authority.

37. As the plant site of MTPS is a protected area, necessary gate pass of every worker shall be
arranged by the contractor with proper intimation to DVC as per existing rules. The expenditure
of photograph, gate pass shall be borne by the contractor.
38. During execution of the contract as well as on expiry of the contract, the contractor shall ensure
that none of his employees/workers claim employment in DVC. All statutory rules and regulations
applicable as per Workmen's Compensation Act shall also be followed by the contractor while
engaging and dis-engaging the workers/employees.
39. The contractor shall be responsible to amply with all laws of the land including labour rules and
acts in vogue or as may come into vogue during the validity of the contract shall indemnify the
purchaser/owner against any claim arising out of any non-compliance and/or accident to third party.
40. EPF provision shall have to be made by the contractor if applicable as per rules. The
contractor should furnish PF registration detail with name of state PF Code etc.
41. The contractor shall be solely and wholly responsible for any accident that may occur during
execution of the work and also for injury to person/persons or damage to the property of any
description what-so-ever caused during the execution of the work. In the event of any such
accident the contractor shall be responsible and shall pay proper compensation for the same as per
Workmen's Compensation Act. The contractor shall keep the purchaser/owner safe and harmless
and indemnified against the claims and expenses for any such damage or injury to any property or
person. The contractor shall make adequate insurance policy at their own cost so that the
workmen employed by them are sufficiently covered against risk of any accident
 42. The contractor and his labours shall have to follow all safety rules at the time of execution of
 the work. All safety gadgets and appliances as required for the job shall be supplied by the
 contractor to the workmen without any extra cost to DVC.
 43. Ex-gratia/Bonus, leave salary, retrenchment benefit etc. shall be paid by the contractor to their
 labours as per Bonus Act and other relevant statutory Acts at their own cost. No extra payment
 shall be made by DVC in this regard.
 44. The contractor shall be responsible for the compliance of all the rules and regulation of the
 plant as detailed but not to be limited to the following prevailing Acts.
 i)    Factory Act
 ii)    Minimum Wage Act
 iii) Bonus Act
 iv) Contract Labour (Regulation & Abilities) Act as prevalent and the rules and regulations made
 therein from time to time and shall indemnify and hold harmless the purchaser/owner against any
 claim arising out of compliance or any non- compliance and/or accident to the third party.

                                                  8
45. Proper action shall be taken by the contractor to ensure safety & security of DVC property during
execution of the job.In case of any damage to DVC property due to negligence the contractor have to
replace/ repair the same at their cost.




 46.The contractor shall obtain necessary certification from Govt. labour officer, that all required
 legal formalities of prevalent Labour Contract (RA) Act have been completed by the contractor.
 47. Any other requirement of activity not envisaged/covered above but essentially required for
 completeness of successful execution of the contract shall be to the contractor's scope.
 48. Settling of the local dispute will primly be done by the contractor. However DVC will assist
 them as per rule if possible.

49.All suits arising out of the NIT and subsequent Work Order/ Contract Agreement if any are
subject to the jurisdiction of the Hon‘ble Court of Law in the city of Kolkata only and no other
Hon‘ble Court of Law elsewhere.




                                                 9
                        Technical Specification
                                 For
                     Annual Maintenance Contract
                                  Of
                Milling Systems* of Units 1, 2, 3, 4, 5&6

                     Mejia Thermal Power Station
                     Damodar Valley Corporation




* Milling System includes Coal Mills, PA Fans, Seal Air Fans, Coal Feeders and
their auxiliary equipment & Gates, Ducts, Dampers, Pulverized Fuel Piping and
bends.




                                   10
                                              INDEX

PART-A

1.000   Scope of Work & Services, Mech. Maintenance

2.000   Scope of Work for Electrical Maintenance

3.000   Upkeepment/ House Keeping

4.000   C&I Works

5.000   Operational Jobs

PART-B

6.000 Planned SD/ Major BD Jobs (Optional Jobs)
7.000 Exclusions
8.000 Other terms & conditions of the contract
9.000 Facilities to be provided by DVC
10.000 Price
11.000 Contract Period
12.000 Penalty
13.000 Subletting of Contract
14.000 Rebate

PART-C
15.000 Payment Term
16.000 Security Deposit




                                              11
ANNEXURES



Annexure-I:        List of running/routine Mech. Maintenance Jobs

Annexure-II:       List of Preventive Maintenance Jobs

Annexure-III:      List of Breakdown Maintenance Jobs

Annexure-IV.a:     Overhauling PERT Chart

Annexure-IV.b:     Overhauling Bar Chart

Annexure-IV.c:     Overhauling Job List

Annexure-V:        Indicative List of T&P Items to be kept at site

Annexure-VI:       List of Planned Shutdown/ Major Breakdown
                   Activities (Optional Jobs)

Annexure-VII.      Minimum Qualification Requirements of Personnel

Annexure-VIII.a:   List of Main Mech. Equipment of Milling Plant (BBD 4760)

Annexure-VIII.b:   Coal Mill System Drives (Electrical)

Annexure-IX:       Eligibility criteria of Contractor /Subcontractor

Annexure-X:        Penalty clause




                                            12
PART-A



1.0 SCOPE OF WORK & SERVICES FOR MECHANICAL MAINTENANCE
    The scope of work for various segments are illustrative only and not exhaustive. Any other work
    required to keep the milling system in healthy and reliable condition will be deemed to be included
    in the scope of work of annual maintenance contract. Various work and services to be rendered by
    the contractor shall include but not to be limited to the following:

1.01 SCOPE OF WORK (GENERAL)


1.01.1    All routine, predictive, preventive, breakdown maintenance jobs of the Milling Plant of MTPS
          (Coal Mills, Coal Feeders, PA Fans, SA Fans, Purge Air Fans etc.), Unit No. 1, 2, 3 & 4
          (4X210 MW) and Unit No. 5&6(2X250 MW) have to be carried out as per details given
          hereunder by engaging well-experienced Service Engineers, Supervisors, Technicians, Skilled
          & Unskilled labours as required and in close co-ordination with DVC‘s concerned Engineers of
          the plant. The contractors shall put forth all-out efforts in order to keep the Milling Plant
          available to ensure unrestricted generation.

1.01.2    The total AMC jobs are broadly divided into four (5) categories of activities as noted
           below-
   1.01.2.1 Mechanical maintenance activities as per Clause No. 1.000
   1.01.2.2 Electrical maintenance activities as per Clause No. 2.000.
   1.01.2.3 Upkeepment/ House Keeping of Milling Plant Equipments and areas as per Clause No. 3.000.
   1.01.2.4 Assistance to C&I Maintenance as per Clause No. 4.000
   1.01.2.5 Operational Jobs as per Clause No. 5.000


 1.01.3   The Contractor shall maintain proper register/record/logbook for various maintenance
          jobs/services covered under the contract as per advice of the DVC Engineer-In-Charge (EIC).
          The records are to be put up to DVC as per frequency decided by DVC. The cost toward
          stationeries involved to be borne by the contractor.

 1.01.4   The contractor shall maintain close co-ordination with DVC Plant Engineers of different
          sections for execution of maintenance activities by them in all the Coal Mills, their Auxiliary
          equipments and systems as detailed in the subsequent paragraphs & in the ANNEXURES.

 1.01.5   The Contractor undertaking the job shall keep all maintenance logs / records in a log Sheet
          daily and submit the same to the DVC EIC for assessment of the performance of the Milling
          Plants. They will have to submit weekly /fortnightly programme for every month to the DVC
          EIC by the end of preceding month.

 1.01.6   The contractor shall also assess the requirement of various spares for execution of running &
          preventive maintenance jobs at least three months in advance and submit the same to the plant
          authority for further scrutiny and subsequent procurement action by DVC. Contractor will
          submit a weekly soft copy of all spares and consumables of milling plant available in main
          stores and site stores. In the event of breakdown/outage of any equipment of the Milling Plants
          of any of the four units, the Contractor shall have to take-up necessary repair jobs immediately
          as per instruction of DVC EIC even if there arises any controversy regarding scope of work/
          cost involvement which will be settled subsequently.

                                               13
1.01.7    Contractor will submit protocols for 10 nos. of critical activities i.e. screw conveyor
          replacement, girth gear pinion/ bearing replacement, reducer gear box replacement, PA fan
          rotor and bearing replacement/ servicing, mill shell liner replacement, ball screening, Bronze
          liner (trunnion bearing ) replacement, Classifier servicing and cleaning, HP pump/ LP pump
          and B&S pump replacement with coal pulverizer and feeder overhauling in DVC format
          immediately after completion of the work.

1.01.8    A separate register will be maintained by the contractor for all types of breakdown of the
          equipment . Each breakdown will be recorded on a separate page with root cause of failure and
          taking further action to prevent such failures.

1.01.9    Individual printed register for each unit for daily PM / surveillance will be duly maintained by
          the contractor in DVC format and will be signed by DVC representative and contractor
          supervisor. All operational parameters have to be submitted in control room of each unit at
          9.00 AM and 16.00 PM on daily basis.

1.01.10    Contractor will submit monthly and annual protocols on AMC of coal mills with history of
          each equipment.

1.01.11    Vibration of each equipment, lube oil analysis report , thermograph report and other
          predictive analysis will be recorded in separate registers with action taken reports. However,
          equipments if available for the said purpose will be provided by DVC. Contractor will assist in
          each predictive job .

1.01.12 Coal dust and raw coal leakage from any spot will be immediately attended by the contractor.
        Data for coal dust leakage will be duly recorded in a register and will be submitted to EIC on
        daily basis with action taken reports. Action plan to achieve ―zero leakage target‖ will be
        strictly adhered by DVC and contractor.

1.01.13    Cost of all stationary for above mentioned reports will be borne by the contractor.

1.01.14    All contractor engineers/ supervisors should be well familiar with the terms of contract and
          should act accordingly.

1.01.15    Painting of all the equipments , structures, lines will be carried out by the contractor . Details
          of maintenance activities and equipments details will be written in front of the equipments.

1.01.16    Contractor will ensure proper coal fineness. Action have to be ensured immediately to attend
          any problem relating to poor coal fineness in long term, short term and immediate action
          plans. Cleaning schedule of clack box, return line and classifier cone with gap of china hut
          with classifier wall to be recorded in a register and will be duly signed by E-I-C and
          contractor.

1.01.17 Details of all executed optional jobs will be maintained in a separate register and certification
        for execution of optional jobs will be done by E-I-C or his representative in the register.
        Register will be submitted to E-I-C after completion of AMC period.

1.01.18 Repairing / rehabilitation of spares like pumps, gear boxes etc. will be carried out by the
        contractor at the earliest and will be part of scope of work. Transportation of job to machine
        shop or any identified place will be contractor‘s liability.

                                                 14
1.02   RUNNING /ROUTINE MAINTENANCE
       Please refer Annexure-I for an indicative list of common running/routine maintenance
       activities. However some more activities may have to be taken up as per direction of EIC,
       DVC.

1.03   PREVENTIVE MAINTENANCE
       Please refer Annexure-II for a list of common preventive maintenance activities.
       However some more activities may have to be taken up as per direction of EIC, DVC and
       frequency of the activities may be changed as per need. Check list for preventive
       maintenance will be submitted immediately after execution of job.

        Contractor will assure and assist in predictive activities like lube oil sampling, vibration
       measurement, thermal imaging, temperature measurement etc. and will plan to take
       appropriate rectification action in co- ordination with DVC engineers.

1.04   BREAKDOWN MAINTENANCE
       Please refer Annexure-III for an indicative list of Breakdown maintenance activities.
       However some more activities may have to be taken up as per direction of EIC, DVC. All
       breakdown activities have to be recorded in a separate register and planning to be made to
       eliminate them.

1.05   OVERHAULING OF MILLS
       Please refer Annexurse-IV.a, IV.b & IV.c for an indicative list of overhauling activities.
       However some activities may not be carried out during the OH and some more activities
       not mentioned in the list may have to be taken up, if required, as per direction of EIC,
       DVC.

1.06   OTHER SCOPE OF WORK

 1.06.1 The contractor shall make following transportation/ handling equipments available
        continuously throughout the tenure of the contract.
            1.06.1.1        Jeep/ Car------------ 1 No.
            1.06.1.2        Tractor with 2 No. Trolley--------- 2 Sets.
            1.06.1.3        Mobile Crane (12 Ton Capacity) -- 1 No.
 1.06.2 If the contractor fails to provide above equipments, penalty at the following rates shall
        be deducted.
            1.06.2.1        Jeep/ Car-- Rs. 500/- per day
            1.06.2.2        Tractor with Trolley--- Rs 700/- per Day
            1.06.2.3        One no. of Trolley --- Rs. 300/- per Day
            1.06.2.4        Mobile Crane (12 Ton Capacity)—Rs. 2500/- per day.
 1.06.3 However if a job requires service of Truck or Mobile Crane (more than 12 Ton
        Capacity), they shall be provided by DVC free of Cost. If the above equipments can not
        be provided by DVC, the same shall have to be arranged by the contractor on extra
        chargeable to basis be paid by DVC at the following rates:
            1.06.3.1        Truck ----- Rs. 1500/- per day
            1.06.3.2        Crane of More than 12 Ton Capacity---- Rs. 500/- per Hour.

 1.06.4 Balancing of rotary equipment including trim balancing on extra chargeable basis.
        Arrangement will be made by the contractor for balancing of rotary equipments
        immediately after noticing any unbalance.



                                        15
1.06.5    Any other running/preventive/breakdown maintenance work not specifically mentioned
          but required for satisfactory performance of mills is also included in the scope of work
          of the contractor.

1.06.6    During execution of the AMC of the Milling Plant the contractor shall provide
          sufficient quantities of Gas Cutting & Welding Accessories, Welding Machines, all
          necessary Tools& Tackles e.g. Chain Pulley Blocks, Pulling & Lifting M/C, Coupling
          Pullers, Electric Winch etc. including Balancer & Analyser.

1.06.7    All consumables e.g. Petrol, HSD, emery paper/cloth, Teflon tape, D.A & Oxygen
          gases, electrodes at their own cost. Electrodes for welding MS to MS should be as per
          AWS E 6013 viz. Norma/Medio/ Vortic/ Vordian/ Overcord only, Electrodes for
          welding Tie rod, Screw Conv. Central Pipe, Chains, Collars etc. will be as per AWS E
          7018 viz. Supratherme/ Supercito/ Ferroweld 2 only. Electrodes for welding Screw
          Conv. Ribbon to Ribbon or Ribbon to Body/Chain will be as per AWS E 7018 of
          D&H/ESAB/AOL/L&T make only.

1.06.8    No Cotton Waste is allowed for executing maintenance jobs except for arresting coal
          dust leakages. A suitable penalty will be imposed if us ing cotton waste as mentioned in
          penalty clause.

1.06.9    S.S. and Hard Facing electrodes will be supplied by DVC free of cost. Also any
          consumables like DA, Oxygen gases, any electrodes required for any rehabilitation
          works like Metal built of shafts, , PA fan Impeller and shaft , Rehabilitation of PA fan
          Casing etc. will be supplied by DVC free of cost. Also for erecting temporary/
          permanent structures/ platforms for facilitating maintenance works. Also for making
          trays/ tanks to collect lube oils/ test beds for pumps checking etc.

1.06.10    A list of T & P to be kept at site has been furnished in Annexure-V which is indicative
          only for guidance of the contractor. Any other T & P items as required for satisfactory
          execution of the contract shall have to be arranged by the contractor.

1.06.11    In any job is left unattended by the contractor beyond a reasonable period, DVC
          reserves the right to get the job done by engaging others/departmentally. The cost for
          execution of such jobs shall be debited to the contractor

1.06.12    Electrical connection & disconnection of electrical motors including their coupling,
          decoupling and alignment shall be in the scope of contractor.

1.06.13    Running maintenance of the electric motors including checking of motor space heaters
          and shifting of the motor from site to maintenance bay in the power house shall be
          under the scope of the contractor. Mobile Crane, for material handling will be provided
          by the contractor during entire contract period .

1.06.14    Monitoring of vibration of Milling Plant equipments at regular interval and taking
          corrective action like balancing etc. Vibration machine will be arranged by the
          contractor.

1.06.15   All labour and local issues will be contractor‘s responsibility. Disciplined behaviour of
          workers and supervisors will be ensured by the contractor. DVC will be not
          responsible for any labour or local problem.



                                        16
  1.06.16        The AMC contract will be job based but presence of skilled engineers/ supervisors and
                 technicians will be ensured by the contractor.

  1.06.17   All type of leakages particularly coal dust leakage in the milling system have to be
            attended immediately failing in which penalty will be imposed as mentioned in penalty
            clause. Housekeeping and neatness have to given utmost priority in the coal mill and
            coal feeder area.
2. SCOPE OF WORK FOR ELECTRICAL MAINTENANCE

   2.1. Running / Routine maintenance

       2.1.1. Coal mill lube oil system
           2.1.1.1. Greasing of lube oil pump motor bearing.
           2.1.1.2. Cleaning of motor body, fan cover, fan, terminal box etc.
           2.1.1.3. Inspection and tightness checking of motor terminal.

       2.1.2. Actuators, Classifier assembly, Bunkers I/L & O/L gate and PA fan I/L & O/L dampers:-
           2.1.2.1. Checking of open close operation of outlet gates/ damper and adjustment of limit
                   switches.
           2.1.2.2. Renewal / topping up of actuator gearbox lube oil, greasing of stem, drive sleeve
                   and bearings.
           2.1.2.3. Checking of feedback from gate actuator (for MCC) and overall feedback (for FSSS).
           2.1.2.4. Maintenance of outlet damper of PA fan of unit # 5&6 (both running/ routine &
                   breakdown maintenance).

       2.1.3. Coal Mill drive group
           2.1.3.1. Greasing of main motor bearings.
           2.1.3.2. Inspection of motor terminals and elastimould terminals.
           2.1.3.3. Checking of motor space heaters.
           2.1.3.4. Greasing of auxiliary drive motor bearings.
           2.1.3.5. Inspection of motor terminals.
           2.1.3.6. Cleaning of motor body, fan cover, fan, terminal box etc.
           2.1.3.7. Greasing of reducer oil pump motor bearings.
           2.1.3.8. Inspection of motor terminals.
           2.1.3.9. Cleaning of motor body, fan cover, fan, terminal box etc.

       2.1.4. Girth gear and girth gear greasing system
           2.1.4.1. Greasing of Girth gear greasing pump and Hsg‘s seal air fan motor bearings.
           2.1.4.2. Inspection of motor terminals.
           2.1.4.3. Cleaning of motor body, fan cover, fan, terminal box etc.
           2.1.4.4. Cleaning of Girth Gear seal air fan suction filter.


       2.1.5. Ball feeding gate
           2.1.5.1. Checking of operation of gate and adjustment of limit switches.
           2.1.5.2. Renewal of actuator gear box lub oil, greasing of stem, drive sleeve and bearings.


       2.1.6. Raw coal feeder
           2.1.6.1. Renewal / topping up of lubricants in gearbox for drive motor and clean out conveyor
                   motor.
           2.1.6.2. Cleaning of motor body, fan cover, fan, terminal box etc.
           2.1.6.3. Regular cleaning of clutch coil.
                                                17
        2.1.6.4. Ensuring feeder (inside) illumination.

    2.1.7. PA Fan motor
        2.1.7.1. Greasing of main motor bearings.
        2.1.7.2. Inspection of motor terminals and elastimould terminals.
        2.1.7.3. Checking of motor space heaters.
        2.1.7.4. Inspection and cleaning of motor cooling duct.


    2.1.8. PA Fan lube oil pump motors
         2.1.8.1. Greasing of lube oil pump motor bearing.
         2.1.8.2. Cleaning of motor body, fan cover, fan, terminal box etc.
         2.1.8.3. Inspection and tightness checking of motor terminals.
    2.1.9. Seal air fan motor
         2.1.9.1. Greasing of motor bearings.
         2.1.9.2. Inspection of motor terminals.
         2.1.9.3. Cleaning of motor body, fan cover, fan, terminal box etc.
         2.1.9.4. Checking of motor space heaters.
    2.1.10. Purge Air Motor
         2.1.10.1.     Greasing of motor bearings.
         2.1.10.2. Inspection of motor terminals.
         2.1.10.3. Cleaning of motor body, fan & fan cover, terminal box etc.
         2.1.10.4. Checking of motor space heaters its repair/replacement if necessary.
    2.1.11. Motor /actuator / feeder field control system
         2.1.11.1. Cleaning of motor LOS box and its components.
         2.1.11.2. Tightness checking of control wires.
    2.1.12. Illumination of Coal Feeder Area ,Coal Mill & P.A. Fan Area
         2.1.12.1. Maintenance of Luminaries and Lighting circuits (SLDB onwards) to maintain
                 good illumination level
         2.1.12.2. Regular cleaning of Luminaries
    2.1.13. Electrical hoist:
         2.1.13.1. Maintenance of all electrical hoists erected in the milling plant areas and its
                 auxiliaries.
2.2. Breakdown maintenance
    Electrical breakdown maintenance work shall include repairing / replacement of all field
    electrical equipments of total Milling plant and associated auxiliaries e.g. PA fan, Seal air fan, lub
    oil system etc. except the ‗Exclusions‘ as mentioned in clause.
    2.2.1.   Repairing of damaged motor terminals, motor terminal end cables including strait
          through joints of cables / installation of JB (for LT motors only), replacement of cable lugs
          and elastimould.
    2.2.2. Repairing / replacement of LPB station terminals, Lock out switches, push button, wiring
          etc.
    2.2.3. Replacement of damaged bearings of LT motors.
    2.2.4. Replacement of defective motor components viz. stator, rotor, fan, fan cover, terminal
          strips etc.
    2.2.5. Replacement of burnt out LT motors including cable disconnection, reconnection,
          alignment, free run and transportation (from site to repairing bay / stores) including
          damaged one.
    2.2.6. Replacement of burnt out / open eddy current clutch coil assembly, tacho-generator etc.
    2.2.7. Replacement of damaged components of actuator gearbox, drive sleeve, bearing etc.
    2.2.8. Replacement of damaged components of viscous filter motor gearbox.
    2.2.9. Replacement of complete actuator as and when required.
    2.2.10. Removal / reconnection of cables of actuators to be replaced including transportation.
                                               18
     2.2.11. Repairing / replacement of motor space heaters.
     2.2.12. Assisting DVC maintenance wing to locate circuit faults etc.
     2.2.13. Repairing of all types of defects in lighting power supply points including replacement of
           damaged components of SLDB, Junction boxes, Light fittings, Gear boxes, Power plug
           points and associated wiring.

     2.2.14. Repairing of all types of defects and replacement of spare parts of electrical hoists.

3. UPKEEPMENT/ HOUSEKEEPING
  3.1. Removal of Technological Waste

     3.1.1.      The contractor shall ensure thorough removal of all types of technological waste such as
              Coal/Coal dust, ash, steel, Stone & iron pieces, various foreign materials debris etc.
              generated in the process of maintenance jobs or leakages during operation of the plant
              regularly from the Milling System i.e. Coal Feeder floor areas, Surrounding areas of Coal
              Mills, PA fans, S.A fans etc within 24 hours of accumulation of waste material failing in
              which a suitable penalty will be imposed. Initially the waste materials shall be collected and
              stacked in a nearby area to form a heap. Thereafter the same shall be disposed off to scrap
              yard or other identified place inside MTPS premises, as per direction of DVC EIC within 24
              hours. The process of removal will be as per direction of DVC EIC.

     3.1.2.      Various kinds of scarp materials e.g. cut pieces of gaskets, sheets ropes, steel materials,
              hard wares and consumables, debris generated in course of execution of AMC jobs shall
              also be removed regularly from the entire Milling P lant areas and disposed off to the scrap
              yard as per direction of DVC EIC.

     3.1.3.  The contractor shall ensure thorough removal of accumulated Coal dust, water, dirt,
           debris etc. from the following areas and equipments on regular basis.
         3.1.3.1. Area between Mill & PA fan- ground floor
         3.1.3.2. Area between Mill & ESP.- ground floor
         3.1.3.3. All Lub. oil panels & pumps & filters surroundings for P.A fan &Mill lub. oil,
                 reducer lub oil.
         3.1.3.4. Sound-hood of Coal Mill.
         3.1.3.5. Walkway below the Feeder floor.
         3.1.3.6. Ducts of P.A. fans suction & discharge.
         3.1.3.7. Feeder floor for all the units.
         3.1.3.8. Beams columns & coal pipes in Milling system.
         3.1.3.9. Cable trenches, trays, racks etc. in Coal mill, PA Fan and Coal Feeder Areas.

     3.1.4.     The contractor shall collect waste/ dirty grease from Girt h Gear lubrication System
              regularly from the Coal Mills in empty grease drums also collect Waste/dirty/contaminated
              & unserviceable lubricants from Mill lub oil system Main reducer gear box, P.A fan lub oil
              system as and when required in empty Oil drums. Subsequently they will remove these
              waste/dirty and unserviceable Grease/oil drums from worksite to central stores on regular
              basis after weigh meant for disposal action by DVC as per direction of DVC EIC.

     3.1.5.      The contractor shall remove various bearings from Milling Plant equipments, worn out
              unusable Mill liners, screened out grinding balls(below20 mm dia) from Mills etc. from
              worksite to the central stores on regular basis after weighment in DVC Weigh-bridge for
              disposal action by DVC as per instruction of DVC EIC.

     3.1.6.      The Contractor shall ensure cleanliness of all the equipments of the Milling Plant
              including their local control panes, LPB stations and other junction boxes.
                                                 19
      3.1.7.      Painting and writing details of maintenance activities and details of equipment as per
               direction of E-I-C will be done by the contractor as per optional job basis.

  3.2. Monitoring of upkeepment activities

      3.2.1.     The contractor shall maintain proper record of upkeepment activities executed by them
               under the contract and submit to the DVC EIC or his aut horised representative for
               verification and comments before submission of the monthly bill.

      3.2.2.      A joint inspection of the Milling Plant worksite shall be done by the representative of
               DVC & the contractor on Friday of every week to assess the status of upkeepment
               activities of the contractor. The deficient areas as noted during joint inspection shall have to
               be attended by the contractor at the earliest positively failing which appropriate penal action
               shall be taken by DVC EIC. A Register will be maintained by contractor recording minutes
               of joint visit duly signed by engineer- in- charge and contractor.


4. C&I WORKS:

  4.1. To facilitate Instrument section to calibrate feeder by opening the feeder cover, checking feeder
        belt tension, load cell fixing arrangement etc.
  4.2. In emergency case opening/ closing of feeder isolating gate by chain pulley block during running
        of the feeder.
  4.3. Dismantling/ installing of power cylinder from base plate, linking and de-linking of power
        cylinder for dampers and gates.
  4.4. Arrangement for fixing of grease sequence micro switches if required.
  4.5. Maintenance of PA shut off gate and RC isolating gate limit switches actuating levers.
  4.6. Maintenance of No Coal Flow & Discharge Gate Plugged paddle.
  4.7. Cleaning, changing of Mill DP level Impulse line & Probes inside Trunnion and Mill as and
        when required.
  4.8. To Facilitate C&I section for replacement of RTD/ Thermocouple of mill bearing.
  4.9. Assistance for any unforeseen minor modification of C&I work.
  4.10. Any job related to Mill / PA which involves fitter, rigger, welder etc.

5. OPERATIONAL JOBS:

  5.1. To monitor the working parameters/ equipments and record the same in a log sheet (to be
        provided by contractor) and submit to control room as and when required (positively at 09.00
        hrs. And 16.00 hrs.). The details of log sheet will be recorded in a register and will be submitted
        to E-I-C for daily monitoring.
  5.2. Important Lube Oil Parameters of all the running equipments.
  5.3. Lube Oil Tank level of all equipments and topping up of oil (as per lubrication chart) as and
        when required.
  5.4. Torque Hub Rotation—hourly monitoring
  5.5. Screw Conveyor Rotation, its hotness or any other abnormalities of Mill—hourly.
  5.6. Hotness of Coal Pipe and recording temperature (through Infra Red Thermometers or any other
        Thermometer) at Classifier end and Burner end—once in a shift.
  5.7. To assure coal flow through Coal Feeder.
  5.8. Any Coal dust /oil leakages from any of the equipment
  5.9. Take Vibration reading, if required.
  5.10. Bearing Temperature of all the running equipments and assure oil flow through bearings,
        bearing hotness by I/R thermometer.
                                                   20
   5.11. To inform C/R about any smoke/ fire in the area and help Fire Personnel in extinguishing the
        Fire.
   5.12. To rotate the torque hub manually in case of shear pin failure till it is replaced.
   5.13. Operate Classifier O/L gate manually in case of jamming/ any trouble.
   5.14. To assist Control room engineers at the time of Mill, SA Fan and PA fan cut in & cut out.
   5.15. To check cooling water line prior to cut in any equipment and follow the direction of operation
        personnel.
   5.16. To collect coal sample from coal pipes (for fineness checking) as per direction of operation
        personnel as and when required.
   5.17. To assist operation personnel for smooth functioning of Milling System.

PART-B

6. LIST OF PLANNED SHUTDOWN / MAJOR BREAKDOWN ACTIVITIES (OPTIONAL
   JOBS):-

   Please refer Annexure-VI for an indicative list of Planned Shutdown/ Major Breakdown activities
   (Optional Jobs), their frequency and their rates. However the actual quantity of jobs may vary from
   the above indicated frequency.

7. EXCLUSIONS
   The following works are generally excluded from the scope of the contractor.

   7.1. Maintenance of HT/LT Breakers, if any.
   7.2. Rewinding of damaged motors, Clutch coil etc.
   7.3. Damaged rotor repairing, Core repairing/staggering.
   7.4. Major overhauling of HT motors.
   7.5. Laying of cables to replace faulty cable above 50 sq.mm size and under ground cable of any size.
   7.6. Joining of 6.6 KV cable.
   7.7. Civil work is normally excluded from the scope of the contractor. However, on request from
         DVC for any civil work the contractor will do the same after assessing the nature of work at
         extra cost and time, which will be decided mutually.
   7.8. Supply of materials going permanently with the equipment.

8. OTHER TERMS AND CONDITIONS OF THE CONTRACT

   8.1. The contractor shall depute all necessary Service Engineer, Supervisor, Technician, Skilled &
        Semi-skilled workers for satisfactory execution of Contract.


   8.2. The Chief Engineer or his authorized representative may direct to suspend any work that may be
        subject by the prevailing climatic condition/other reason.


   8.3. The probable list of manpower of different category that may be required for maintenance of
        Milling Plant as per scope of work is indicative for estimation purpose only. However, exact
        manpower requirement will be decided in consultation with the Chief Engineer (O&M) or his
        authorised representative quarterly/case-to-case basis.


   8.4. The jobs will be broadly classified by DVC on case to case basis in the following three categories
         depending upon the plant‘s condition prevailing at that time.
        8.4.1. Normal- The job will be done during General Shift.
                                                21
    8.4.2.   Urgent- The job will have to be done during two shifts per day.
    8.4.3.   Emergency - The job will have to done continuously till its completion.

8.5. Manpower Requirement: Please refer to Annexure-VII for an indicative Manpower strength and
     the minimum qualification requirement respectively. However actual engagement of Manpower
     shall depend on the job requirement which contractor shall have to take up as per the nature of
     job as defined in Sl. No. 8.4 above.


    8.5.1.  No manpower support from DVC side shall be provided for execution of AMC jobs.
          However necessary co-ordination will be arranged by the DVC (EIC) or his representative.
    8.5.2. No Engineer & Supervisor from the listed manpower of the contractor as detailed above
          shall leave MTPS without prior permission of the DVC (EIC).

8.6. The contractor shall submit a list of Engineers/ Supervisor/Technician etc with their bio data to
     be deployed at site for undertaking the assigned work for approval of the same by DVC (EIC).
     Eligibility criteria of different categories of personnel have been furnished in the ANNEXURE-
     VII.b it may be relaxed only in case of experienced /deserving candidates.

8.7. The contractor shall furnish detail list of equipment /material, tools & tackles to be brought inside
     the plant for execution of AMC jobs to the DVC (EIC) before commencement of work. ―List of
     tools & plants to be kept at site‖ as enclosed in ANNEXURE-V and made apart of this
     specification provides a suggestive list of T&P items that have to be maintained by the
     contractor at the plant.

8.8. The contractor shall not be allowed to commence the AMC jobs as per contract unless complete
     site mobilisation in respect of manpower & T&P are ensured.

8.9. The contractor and his workers shall have to follow all safety rules & regulation at the time of
     execution of AMC jobs. All safety gadgets & appliances as required for carrying out AMC jobs
     shall be supplied by the contractor without any extra cost.

8.10. As the plant site of MTPS is a protected area, necessary gate pass of every worker shall be
     arranged by contractor with proper intimation to DVC as per existing rules. The expenditure of
     photograph, Gate pass etc shall be borne by the contractor.

8.11. The contractor shall be responsible to comply with all laws of the land including labour rules
     and acts in vogue or as may come into vogue during the validity of the contract and shall
     indemnify the purchaser against any claim arising out of any non-compliance and/or accident to
     third party.

8.12. EPF & ESI Provisions shall have to be made by the contractor if applicable as per rules. The
     Contractor should furnish EPF & ESI registration details with name of state PF code & ESI code
     etc.

8.13. List of main equipment of ―Milling System‖ and ―Coal Mill System Drives‖ are enclosed as
     Annexure-VIII.a & Annexure-VIII.b respectively and made a part of specification which may
     be considered by the contractor for assessment of quantum of job involved. However, there are
     many other equipment which are covered under this AMC but not mentioned explicitly and it is
     presumed that the contractor has enough experience to understand the same.


8.14. The contractor shall arrange necessary watch and word for their stores at site.
                                              22
   8.15. Any person employed by the contractor for the contract jobs is found to be incompetent or
        found to act in an improper manner to the Chief Engineer/his authorised representative, the
        matter will be brought to notice of the contractor & the said person(s) will have to be replaced
        immediately.


   8.16. During execution of the contract as well as on expiry of the same, the contractor shall ensure
        that none of their employees/ workers claimed employment in DVC. The contractor while
        engaging &disengaging their workers/ employees shall also follow all statutory rules &
        regulation applicable as per workmen‘s Compensation Act.


   8.17. The contractor shall be responsible for the compliance of all the rules & regulations of the land,
        Factory Act, Bonus Act, Contract Labour Act & other relevant statutory Act. Any other
        requirement or activity not envisaged/covered above but essentially required for completeness of
        successful execution of the contract shall be included in the scope of contractor.


   8.18. All other terms & conditions not enumerated here in above covering the execution of contract
        shall be guided by DVC‘s T-3 Form.

   8.19. The contractor shall follow all safety rules as desired for required job.


9. FACILITIES TO BE PROVIDED BY DVC
   (Free of cost unless stated otherwise):

   The following facilities shall be provided to the contractor by DVC:-

   9.1. Source of water and Compressed air supply for the plant shall be provided. However, the
         contractor shall arrange connecting hoses/materials from sources of water/compressed air.
   9.2. The power source in the vicinity will be made available by DVC. Temporary illumination and
         power connection required for execution of the job shall be arranged by the contractor.
   9.3. Properly illuminated & ventilated office for contractor Engineers/Technicians with local
         telephone facility for effective maintenance work of the plant on feeder floor.
   9.4. Permanent Office room for contractor if any shall be arranged by them. However, necessary
         space for the same will be provided by DVC.
   9.5. Space (only) for lockable store room for contractor‘s T&P storage.
   9.6. Unfurnished family accommodation with water and electricity for the contractor Engineer and
         other staff posted at site as per DVC standard chargeable rate basis, subject to availability.
   9.7. Guest house accommodation if available for the contractor‘s visiting Engineer on DVC standard
         chargeable rate basis.
   9.8. Internal telephone will be provided free of cost for effective Maintenance of the P lant.
   9.9. Medical facilities as available at site as per DVC standard chargeable rate basis.
   9.10. Spares, Special T&P, lubricants.
   9.11. Necessary drawing/manuals/erection & commissioning data as available at site may be provided
         by DVC.
   9.12. Work permit for commencement of work after isolation from any other system.
   9.13. Schooling facilities as available at site may be available at their cost & endeavour.
   9.14. Canteen facilities may be availed of by the contractor as available at site on chargeable basis.
   9.15. Co-ordination with Statutory Authority like IBR etc. if required.


                                                 23
10. PRICE:
    10.1. The contractor shall quote clear and explicit prices on monthly as well as for a total period of
         twelve months with Break-up Price under 04(Four) categories of activities i.e.
        10.1.1. AMC jobs of Mechanical System as per scope of work
        10.1.2. AMC jobs of Electrical System as per scope of work
        10.1.3. Operational Jobs.
        10.1.4. Upkeepment /housekeeping of Milling Plant.

    10.2. The quoted price shall remain firm throughout the contract period and any escalation, what so
         ever is not acceptable.

11. CONTRACT PERIOD: -

    11.1. The contract shall remain valid for a period of Twelve Months from the date of
         commencement of the work by the contractor after successful mobilization subject to review of
         the contractor‘s overall performance after TWELVE (12) months for allowing further
         continuation of one year. However in the event of unsatisfactory performance during any stage
         of contract Clause regarding ―TERMINATION OF CONTRACT‖ will be applicable. Contract
         will be reviewed after every THREE(03) months for satisfactory performance of each part of the
         contract.

    11.2. Site Mobilization:
        11.2.1. The contractor shall complete site mobilization within maximum four (4) weeks after
              placement of LOA/WORK ORDER.

        11.2.2. If the contractor fails to mobilize site completely within four weeks, the expenditure for
              the period of delay in mobilization beyond four weeks towards engaging the existing
              contractor or alternative agency to carryout the contract jobs during that period, shall be
              born by the contractor. The expenditure thus incurred shall be recovered from the Running
              Bill/Bills of the contractor.

12. PENALTY:

    12.1. For each category of activities a time frame and cost involved has been fixed based on the
         previous experiences. If the contractor fails to complete the work within that time for reasons not
         attributable to DVC, a penalty will be imposed as mentioned in penalty clause. This is however
         subject to force majeure conditions as defined in DVC‘s GCC. If delay occurs on the part of
         DVC, no penalty will be imposed.

    12.2. During execution of contract, if it is observed that certain portion of any part of the AMC job
         has not been executed satisfactorily, the DVC will get the work done by engaging capable
         external agency/agencies at the cost and risk of contractor.

    12.3. Contractor shall have to engage a minimum of 6(six) Nos. Engineers including the site-in-
         charge, 10(Ten) Nos. Supervisors and 12(Twelve) Nos. Fitters for round the clock monitoring
         and supervision works. They shall not leave the site without written permission of DVC. Their
         duty roster shall be as per the direction of DVC. Their daily attendance duly signed by the Site-
         in- Charge of the contractor will have to submit to DVC. If any of them is found to be absent
         without written permission of DVC, a penalty at the following rate shall be imposed---
        12.3.1. Engineer- Rs.600/- per engineer per day
        12.3.2. Supervisor- Rs 300/- per supervisor per day.
        12.3.3. Fitter (MWF) - Rs. 200/- per fitter per day

                                                 24
13. SUBLETTING OF CONTRACT:
   Sub-contractor, if engaged by the contractor must fulfill the eligibility criteria as per ANNEXURE-IX
   of Technical Specification and shall be deployed with prior written approval of DVC at full risk and
   responsibility of the contractor.

14. REBATE:-If the unit is shut down for more than 3(three) months at a stretch and no work is
    required to be carried out in the Milling Plant, then from the 4th month, the contractor shall give
    rebate @ 10%( ten percent) per unit per month of the total lump sum contract price per month for
    Units-1,2 3,4,5&6.


PART-C

15.PAYMENT TERM:- 100% payment shall be made against monthly RA bills subject to
satisfactory completion of the jobs a n d after deduction of penalty amount and other statutory
deduction duly certified by the Engineer-in-charge and acceptance of S.D.B.G towards Security
Deposit and execution of the agreement in DVC‘s format.

 16. Security Deposit:- The successful bidder have to submit 10% of total value of order in the form
 of Security Deposit Bank guarantee (S.D.B.G) / Advance demand draft ,as the case may be,
 from any Nationalised/ Scheduled Commercial Bank valid till expiry of the Contract period with
 a claim period of another 06 (six)months in DVC‘s prescribed format. The Security Deposit is to
 be submitted with in 30 days from the date of placement of LOI/WO.




                                              25
                                             Annexure-I
                List of Running/ Routine Mechanical Maintenance Jobs of Milling Plant

1.0 SUB SYSTEM: MAIN LUB OIL SYSTEM / Reducer gear oil system AND SUPPORT
    BEARING
      1.01 Cleaning of Mill Lube Oil Cooler, Flushing of Cooling Water Lines/ Replacement of
            cooling water lines if desired during shut down/ overhauling of the units, Cleaning of
            Flow Gauge Glass.
      1.02 Cleaning of Oil Filters and replacement of Cartridge if necessary.
      1.03 Cleaning of Air Breathers.
      1.04 Replacement/ modification of oil coolers.
      1.05 Installation of isolating valves in cooling lines as desired.
      1.06 Steam washing/ acid cleaning of oil coolers.
      1.07 Oil centrifuging of main lube oil at the interval of 15 days or as desired.
      1.08 Maintaining healthy lube oil pressure by proper adjustment of orifices in lube oil line and
            schedule replacement of LP/ B&S and HP pumps.
      1.09 Maintenance of oil centrifuges will be done by the contractor.
            Note:- Healthy lube oil pressure will be maintained in milling system and all efforts to be
            made to eliminate any chances of tripping on account of lube oil flow/ pressure failing in
            which a suitable penalty will be imposed.
2.0 SUB SYSTEM: SCREW CONVEYOR & HOT AIR BOX
      2.01 Greasing of Conveyor bearing and checking of bearing housing anchor.
      2.02 Arresting leakages from the flanges between conveyor body and hot air box and gland
            sealing of stuffing box.
3.0 SUB SYSTEM: CLASSIFIER ASSEMBLY
      3.01 Arresting leakages from flange joints.
      3.02 Checking/ maintenance of classifier outlet gates for full closing, maintenance of actuators
            & adjustment of limit/torque switches and overall feedback. Greasing of spindles.
      3.03 Topping of Lubricants in actuator gearbox.

4.0 SUB SYSTEM: DRIVE GROUP
      4.01 Greasing of drive shaft bearings.
      4.02 Cleaning of oil coolers and flushing of cooling water lines.
      4.03 Checking of oil level of main reducer and topping up and cleaning of oil filters & air
            breathers.
      4.04 Checking of oil levels and oil condition of fluid coupling, topping up and replacement.
            Fusible plug replacement
      4.05 Centrifuging of oil as and when required.

5.0 SUB SYSTEM: GIRTH GEAR AND GIRTH GEAR GREASING
      5.01 Checking and Topping up of Girth gear grease (Servo Tak-40) as per requirement. Servo Tak-
            40 will be supplied by DVC, but collection from stores shall be arranged by the Contractor as
            and when required.
      5.02 Disposal of drain out waste grease through drums and return to DVC stores on weekly basis or
            as per     direction of Engineer In-Charge.
      5.03 Servicing of greasing pump, cleaning of strainer and distributor assembly, replacement of
            hose, if required. Spray jet adjustment.
      5.04 Regular checking of Girth Gear Seal Air Fan.
      5.05 Cleaning of Girth Gear Seal Air Fan suction filter
      5.06 Replacement of felt seals as per requirement.
      5.07 Cleaning of teeth of Girth Gear.


                                               26
6.0 SUB SYSTEM: BALL FEEDING
      6.01 Ball charging regularly in Coal Mill in running condition at an average of once per week
            or as per direction of Engineer In- Charge.
      6.02 Running maintenance of ball feeding mechanism.

7.0 SUB SYSTEM: RAW COAL FEEDER
      7.01 Greasing of roller bearing.
      7.02 Topping up of lubricant in gearboxes.
      7.03 Replacements of shear pin/torque hub of clean out conveyor drive.
      7.04 Checking of belt level and belt tension- belt tensioning if required.
      7.05 Cleaning of bull‘s eye.
      7.06 Arresting leakages from doors and flanges.
      7.07 Manual running of clean out conveyor as and when required.
      7.08 Ensuring feeder illumination.

8.0 SUB SYSTEM: PAFAN
      8.01 Checking of oil level, topping up, cleaning of filters, cleaning of lub oil coolers and
            flushing of cooling water lines.
      8.02 Continuous monitoring /checking of any abnormality e.g. vibration, unusual sound and
            abnormal bearing temperature rise. Vibration readings are to be recorded in proper
            manner as per direction of Engineer In- Charge.
      8.03 Centrifuging of oil as per requirement.

9.0 SUB SYSTEM: SA FAN
      9.01 Topping up/ replacement of bearing lub oil, checking of level of Lub oil level.
      9.02 Checking of vibration level, any abnormality i.e. unusual sound abnormal bearing
            temperature rise.
      9.03 Manual operation of change over damper if required.
      9.04 Replacement of oil from viscous filters- cleaning of oil trough. Monitoring of rotation of
            viscous filter screen.
      9.05 Cleaning of viscous filter screen.

10.0 SUB SYSTEM: PURGE AIR FAN
      10.01 Checking of Vibration, abnormal sound etc. for the running Purge Air Fan
      10.02 Checking of Purge Air Fan Casing, Ducts, Expansion Joints for leakages & arranging to
             arrest leakages by sodium silicate or by plate welding.
      10.03 Removing jamming of Dampers of Purge Air System By spraying Graphite based spray.




                                               27
                                        Annexure-II
                   Preventive Maintenance (Mechanical) Jobs of Milling Plant

A. List of Monthly Preventive Maintenance Jobs
       a. Attending Coal/ Coal dust/oil/ grease/ air leakages which are noticed prior to shutdown.
           Coal dust leakage temporarily arrested by sodium silicate/ thermotex to be provided by
           patch welding.
       b. Taking Vibration readings of the fans a day before the PM and taking corrective
           measures such as balancing/ alignment/ bearing replacement etc.
       c. Taking Mill lube oil parameters prior to PM and taking corrective actions such as
           adjusting LP Oil Flow/ replacing pumps/ checking pr. relief valves/ NRVs etc.
       d. Checking/ executing the flooring jobs
       e. A list of all troubles and planned activities for scheduled PM will be submitted to E-I-C
           before commencement of PM.
       f. Performance report and work details along with check list for PM will be submitted by
           the contractor after completion of PM. A suitable penalty will be imposed for poor
           quality of work resulting in breakdown due to repetition of problem.

             Sl.                             Description of Work/ Check
             No.

            1       Mill internal checking

                    a. Tie Rods

                    b. Ribbons

                    c. Ribbons Fixed Ends Checking

                    d. Chain & Chain Links

                    e. Ribbon Support angles

                    f. Delta P Nozzle (C&I)

                    g. Delta P Nozzle guards (C&I)

                    h. Shell liners condition

                    i. Shell Flange inspection for any gap

                    j. Seal Air Chambers cleaning

                    k. Hot Air boxes cleaning

                    l. Checking of Seal Air Fan Ducts for coal dust chocking

            2       Mill Shell lifting checking

            3       SC Body liners checking (Side-1 & Side-2)



                                             28
Sl.                            Description of Work/ Check
No.

4     Screw Conveyor Support Bearings

      a. Side-1 Bearing greasing & clearance checking

      b. Side-2 Bearing greasing & clearance checking.

      c. Side-1 Plummer Block Foundation bolts tightening

      d. Side-2 Plummer Block Foundation bolts tightening

5     Classifier and Cone cleaning & Checking

      a. Classifier vane checking & cleaning

      b. Inner cone cleaning

      c. Checking gap between China Hat and Inner Cone.

      d. Inner cone manhole door condition checking

      e. checking of Ceramic Tiles inside/ outside

      f. Clack Box Coal cleaning

      g. Refusal Box flap freeness checking

      h. Checking erosion of Refusal duct (Near jointing of Central Coal Feed
      pipe)

6     Classifier Outlet Gates freeness Checking

7     Lube Oil System Checking (Fill the table at the end) & ensuring min. LP
      flow of >35 LPM.

8     Main Oil condition checking & Centrifuging if necessary.

9     LPP-1&2 Coupling Pad checking

10    HPP-1&2 Coupling Pad Checking

11    B&S Pumps Coupling Pad Checking

12    Reducer Oil Pump Coupling Pad Checking

13    Mill Main Lube oil filters cleaning

14    Reducer Oil filters cleaning

15    Girth Gear Grease filter cleaning

                               29
Sl.                            Description of Work/ Check
No.

16     Girth Gear Seal Air Fan Filter Cleaning

17     Main Oil Cooler, Red. Oil Cooler– Back Washing (every month) & Acid
       Cleaning (in Mar. & Aug months)

18     Seal Air Dampers at Seal Air Chamber to be serviced .

PA Fan ( U#1,2,3&4)

1      PA Fan Internal Checking & Repairing

       a. Wear Plate erosion

       b. Impeller erosion near wear plate tips

       c. cracks & Erosion of Saw Tooth

       d. Erosion of casing liners

       f. Erosion of area between casing liners & casing

       g. Erosion of Suction cone (welding portion)

       h. Erosion of impeller seal

       i. Erosion of casing including Goose Neck

2      PA Fan Lube Oil Filters Cleaning

3      LOP coupling pad checking

4      PA Fan Bearings checking

5      Checking of PA IGV for full closing

6      PA Lube Oil Cooler – Back Washing (every month) & Acid Cleaning (in
       Mar. & Aug months)

PA Fan (U#5&6)

1      PA Fan Lube Oil Filters Cleaning

2      PA Lube Oil Cooler – Back Washing (every month) & Acid Cleaning (in
       Mar. & Aug months)

3      LOP coupling pad checking

Tr. Seal Air Fans


                               30
 Sl.                          Description of Work/ Check
 No.

1      SA Fans coupling greasing

2      SA Fan oil checking & gauge glass cleaning

3      SA Fan Change Over Damper Servicing

4      Viscous Filter suction tray mud cleaning

5      Viscous filter Tank oil level

6      Freeness of Oil drop Eliminator (Fine mesh) filter

7      Freeness of Coarse mesh Screen

8      Gear Box cleaning/ greasing

9      Checking of Chain condition

Coal Feeders

1      Feeder Belt checking

2      Feeder Internal Checking &Removal of foreign particles from feeder (like
       wires etc)

3      Checking for the freeness of the rollers

4      Greasing of all bearings including COC

5.     COC Zone clearness checking, chain adjustment & trail run

6      Oil level checking of Feeder belt Drive GB

7      Oil level checking of Clean Out Conveyor GB

8      Greasing & Close/ Open check of Feeder Inlet gate

9      Close/ Open check of RC Isolating Gate

10     Feeder Chute Repairing, if necessary

11     Front & Rear door gaskets & Uplift washers checking

12     Side door gaskets checking

13     Both reducers outside cleaning.

14     Feeder Belt Tension adjustment



                               31
           Sl.                               Description of Work/ Check
           No.

          Miscellaneous

          1         Checking and external servicing of all valves by opening & closing.

          2.        Cleaning of equipment, especially Truninon Bearing Housings to ensure no
                    dust catches the surface.

          3         Attending Coal dust lkgs, oil lkgs.

          4         Replacing/ checking bearings as per the condition.

B. List of Half-yearly Preventive Maintenance Jobs


              Sl.                            Description of Work/ Check
              No.

               01   Coal Feeder Roller servicing.

               02   Coal Feeder Main GB Servicing.

               03   Coal Feeder COC GB Servicing.

               04   Pinion IB Brg greasing.

               05   Pinion OB Brg greasing.

               06   Main coupling checking/ greasing.

               07   Reducer GB oil changing.

               08   Coolers steam washing

               09   Ball screening.

               10   Mill Lifting checking.

               11   Servicing of cooling water valves & replacement of valves or its internal
                    or cannibalisation

               12   Liner bolt tightening, arresting leakage through liner bolts

               13   PA Fan (U#5&6)

               a    PA Fan casing top casing removal & Fan blades & Guide vanes are to be
                    checked for erosion, damages, dust deposition & cleaning therto.

               b    Rotor housing bolts & lube oil discharge line expansion joint bolts


                                             32
            Sl.                            Description of Work/ Check
            No.

                   tightness checking

             c     Lube oil inlet lines, control oil inlet lines, control oil return, leakage oil
                   return lines union joints tightness checking

             d     Blade operation checking

             e     PA Fan coolers steam washing/acid washing if felt necessary otherwise
                   backwashing

             f     Blade fixing screw tightness checking

             g     To attend any running problems like bearing temp. high, high vibration,
                   abnormal sound etc. both related to PA Fan or its lube oil system

             h     PA Fan both discharge & suction filters cleaning

             i     To lubricate Blade Bearings

C. List of Yearly Preventive Maintenance Jobs


            Sl.                            Description of Work/ Check
            No.

            01     Changing of felt seal of main bearing housing

            02     Changing of gasket of main bearing inspection door.

            03     Inspection of bronze liner (bearing) gaps & healthiness of hose

            04     Checking of coupling pads of all lube oil pumps

            05     Changing of felt-seal for Girth-Gear and Pinion

            06     Cleaning of Girth-Gear and Pinion teeth and checking backlash

            07     Checking of tightness of shell bolt assembly & free bolt assembly for
                   Trunnion

            08     Checking of gap between deflector plate and Trunnion tube correction if
                   any

            09     Checking & tightening of Girth gear holding bolts & flange bolts

            10     Checking of mill liners for erosion & replacement, if any

            11     Checking of sealing in the seal air housing & adjustment of synthetic seal,


                                            33
Sl.                          Description of Work/ Check
No.

      if any

12    Checking of screw conveyor for gap with Trunnion tube and run out of
      screw conveyor shaft.

13.   Checking of classifier outlet gates for full closing and opening and
      rectification, if any

14.   Checking of coal pipe-suspension & hanger support for freeness of coal-
      pipe and rectification thereto.

15.   Servicing of Hoist of Milling System and P.A Fan system

16    PA Fan ( U#5&6)

a.    Checking/ Retightening of all foxing Bolts

b.    Checking Impeller Blades and Guide Vanes for Wear

c.    To Check whether all blades are equally set when actuating the
      servomotor

d.    To lubricate pillow block bearings

e.    To lubricate/ Check blade bearings.

f.    To check/ replace sealing elements in blade bearings

g.    To check lever, slide ring and adjusting disc and inspect jewel bearing
      assembly




                             34
                                            Annexure-III

                  List of Breakdown Maintenance (Mechanical) Jobs of Milling Plant

1.0 SUBGROUP : SCREW CONVEYOR ,TIE ROD, AND HOT AIR BOX ETC.
       1.01    Bearing replacement.
       1.02    Bearing replacement with TIE ROD Replacement (with coal removal)
       1.03    Bearing Housing Replacement
       1.04    Ribbon Repairing/ replacement.
       1.05    Replacement of Asbestos Rope of R.C. Chute Johnson coupling
       1.06    Shell manhole opening & inspection of Mill internal
       1.07    Any other manhole opening inspection
       1.08    Repairing of Hot air box by replacing damage plates
       1.09    Repairing of damaged screw conveyor & removal of worn-out ribbon ,fitting of new
    ribbon
       1.10    Removal of accumulated coal dust from hot air box
       1.11    Repairing/Replacement of conveyor body liners
       1.12    To arrest coal dust leakages from P.F. system.
       1.13    Replacement/ Cannibalization of Removal Screw Conveyor Shaft Assembly etc.
2.0 SUBGROUP : SHELL& MAIN DRIVE SYSTEM
       2.01    Shell Flange bolt tightening / replacement
       2.02    Liner Replacement (maximum 05 no on each occasion)
       2.03    Boss Liner replacement along with tie rods
       2.04    Ball topping during running of Mill
       2.05    Alignment of total drive system
       2.06    Hot Air Box Cleaning .Seal air chamber cleaning.
       2.07    Checking and rectification , if any to get max. H.P. Pump/B&S Pump pr
       2.08    Replacement of Input shaft and its bearings of Main Reducer G/Box
       2.09    Replacement of any other shaft,Gear & their bearings of gearbox
       2.10    Replacement of fluid coupling of Aux. Reducer
       2.11    Replacement of fluid coupling internals/bearings & G/Box bearing & internals of Aux.
    Reducer
       2.12    Replacement of the grid members of Resilient Couplings.
       2.13    To check / the Main support bearing .Liner/shoe etc.
       2.14    To replace the NDE Pinion support bearing/ it‘s housing
       2.15    Tightening/ of trunion fixing bolts
       2.16    Tightening/replacement of Girth gear joint bolts & jacking bolts
       2.17    Repairing/reconditioning of spare equipments e.g. Mill Gear box Aux. G/Box, Fluid
    Coupling, Gear coupling etc.
       2.18    Replacement/ repairing of Motor Cooler valves, Lub oil cooler valves and cooling water
    piping maintenance.
3.0 SUBGROUP : MILL LUBRICATION SYSTEM
       3.01    Replacement of H.P/B&S/L.P/REDUCER Pumps etc.
       3.02    Seal replacement of pumps
       3.03    Servicing of H.P/B&S/L.P/REDUCER LO/ PA Fan LO pumps
       3.04    Coolers cleaning: Back washing/ Cleaning with brush/ Acid cleaning
       3.05    Lub oil replacement:
       3.06    Main Lub oil
       3.07    Reducer Lub oil
       3.08    Aux. Gear-box
       3.09    G.G.Grease distribution box cleaning or replacement/ reconditioning
                                               35
        3.10    Repair of Lub. oil pumps of MILL & P.A. FANS pumps, reconditioning, cannibalisation
    as required.
        3.11    Filter & cooler replacement if required
        3.12    To arrest any oil leakage
        3.13    G.G. seal air fan repairing/reconditioning
        3.14    Repairing/reconditioning of viscous filter drive mechanism
        3.15    Cleaning of G.G. grease chamber if required
        3.16    Changing of felt seal for G.G / Support Bearing.
        3.17    Repairing /replacement of drain valve of grease drain line.
        3.18    Changing of Lubricants & cleaning of bearing chamber, oil tank etc.
        3.19    Servicing & Adjustment of pressure regulating and relief v/v.
        3.20    Centrifuging of lub oil of coal mill.
        3.21    Repair/ Replacement of cooling water lines, air lines in the milling system.
4.0 SUBGROUP : COAL FEEDING SYSTEM & CLASSIFIER ETC
        4.01    Belt replacement
        4.02    Torque hub/ shear pin replacement
        4.03    Replacement of take up screw/guide bearing
        4.04    Replacement/ servicing of P.F. Shut off gate
        4.05    Replacement/servicing of ball feeding gate & its repairing
        4.06    Drive Pulley/take up pulley replacement & reconditioning
        4.07    Replacement of Drive spindle of P.F. Shut off gate
        4.08    Replacement of drive spindle of ball feeding gate
        4.09    Replacement/ reconditioning of idlers
        4.10    Replacement/reconditioning/cannibalisation of Gear box (Main Drive)
        4.11    Replacement/reconditioning/cannibalisation of Gear box of clean out conveyor
        4.12    Replacement/ repairing of transition piece, classifier outlet box as per requirement
        4.13    Removal of feeder arching
        4.14    Patch repair for coal dust leakage anywhere in P.F. Piping in earliest opportunity.
        4.15    Replacement of channel/channel liner, seals for classifier outlet gate
        4.16    Replacement/cannibalisation of classifier outlet gates
        4.17    Repairing/reconditioning/replacement of classifier internals including China Hut,
    Deflector cone
        4.18    Repairing/reconditioning of feeder body & its internals
        4.19    Repairing/reconditioning/cannibalisation servicing of feeder outlet gate
        4.20    Replacement /Realignment of power Cylinder of feeder outlet gate
        4.21    Assistance in belt calibration.
        4.22    Cleaning of coal from feeder and its inlet and outlet pipes in case of coal packing.
        4.23    Replacement of coal feeding pipes with mixing box.
5.0 SUBGROUP: SEAL AIR FAN
        5.01    Replacement of Bearing (DE& NDE)
        5.02    Replacement of Impeller
        5.03    Replacement of gear coupling
        5.04    Servicing/repairing/reconditioning of suction & change over damper for S.A.Fan
        5.05    Balancing of fans.
6.0 SUBGROUP: P.A.FAN ( U# 1,2,3&4)
        6.01    Replacement/cleaning of cooler for Lub. oil
        6.02     Replacement/repairing/reconditioning/cannibalisation of lub. oil pumps
        6.03    Replacement of impeller wear plate
        6.04    Replacement of casing liner
        6.05    Replacement of Bearing (DE & NDE)
        6.06    Replacement of Bearing Housing (DE & NDE)
        6.07    Replacement of Coupling
        6.08    Replacement of coupling bolts
                                              36
       6.09    Replacement/repair of Volute casing (Top half) of P.A.Fan
       6.10    Servicing of Damper of Main air, By pass air, Hot air, Cold air, P.A. IGV By replacing
    Grafoil bearing seal
       6.11    Servicing / reconditioning of damper Linking Mechanism
       6.12    Repair/Removal and realignment of power cylinder of PA IGV and PA Shut-off gate
       6.13    Balancing of fans.
       6.14    Repair of worn out portion of impeller, conical cover, ribs etc.
       6.15    Repair/ Replacement of Expansion Joints, between Secondary air header and Mill inlet.
       6.16    Checking of PA Shut Off gates for full closing /opening, Alignment checking,
    replacement of seals.
       6.17    Repair of ducts between secondary air header and mill inlet.
       6.18    Painting of PA Fan casing
       6.19    In-situ repairing of PA fan casing.
       6.20    Repairing of hot air, cold air, by- pass air , main air ducts as required.
       6.21    Replacement of PA fan rubber expansion bellow.
7.0 PA Fan(U#5&6)
       7.01 Replacement/cleaning of cooler for Lub. Oil
       7.02 Replacement/repairing/reconditioning/cannibalisation of lub. oil pumps
       7.03 Replacement of Bearings and Housings.
       7.04    Replacement of Coupling and coupling bolts
       7.05    Balancing of fans.
       7.06 Repair of ducts from PA Fan to Mill.
       7.07 To provide manpower support to any external agency engaged for servicing/ overhauling.
       7.08 Servicing of PA fans.


8.0 SUBGROUP : COAL PIPING AND FUEL TRANSPORTING PIPING
       8.01     Coal pipe chocking remova l
       8.02     Coal piping coupling/coupling gasket/ orifice replacement
       8.03     Mill outlet elbow, fuel inlet elbow replacement /repair, metal built-up etc.
       8.04     Replacement of Coal Pipe
       8.05     Repair/replacement/reconditioning of Raw-Coal-Chutes
       8.06     Servicing/repairing/reconditioning of feeder inlet & outlet gates along with bunker outlet
    gate
       8.07     Repair/replacement/reconditioning of Transition Piece between Feeder & Mixing Box
       8.08     Replacement of Air Hose of Coal Sample line
       8.09     Collection of pulverised coal samples from different coal pipes for fineness checking.
       8.10     Repair of partly damaged/worn out spare parts e.g. Channel for Classifier outlet gates,
    Coal pipe, Elbow etc.
9.0 SUBGROUP : GENERAL
       9.01     Erection of Scaffoldings, making of Jigs & Fixtures, small modification works for better
    and efficient execution of AMC.
       9.02     Painting of equipments/ structures of the milling system as and when required on optional
    job basis.
10.0 SUBGROUP: PURGE AIR FAN
       10.01 Removal of impeller of Purge Air Fan to facilitate motor trail run & Motor DE Bearing
    checking.
       10.02 Replacement of impeller of Purge Air Fan
       10.03 Servicing of Purge Air shut-off dampers by dismantling.
       10.04 Replacement of expansion joints of Purge Air System
       10.05 Purge air duct cleaning.
       10.06 Repairing/ replacement of purge air system expansion bellows.
       10.07 Purge air system duct connection as per requirement.
                                                37
11.0 SUBGROUP: PA FAN (U#5&6)
       11.01 Replacement of Rotor of PA Fan
       11.02 Dismantling of rotor of PA fans and its to and fro transportation to any suitable place
    (e.g. machine shop) for servicing.
       11.03 Replacement of blades (both stages) of PA Fan
       11.04 Checking/Replacement of Bearings of Rotor of PA Fan
       11.05 Checking/Replacement of Blade Bearings
       11.06 Checking/Replacement of INA Rings or HJ ring or Simmer rings or ‗O‘ Ring of Rotor
    Assembly.
       11.07 Inside Machining of Rotor Housing in Angular Contact Bearings area.
       11.08 Servicing of Servo Motor Assembly




                                    Annexure-IV.a , IV.b & IV.c

                                     Attached in separate sheet




                                               38
                                          Annexure-V

                         Indicative List Of T&P Items To Be Kept At Site

Sl   NAME OF TOOLS                                                                 Minimum
No                                                                                 Qty. Reqd.
1    Dial gauges accuracy 0.01 mm with magnetic stand                              8 nos
2    Filler gauges                                                                 6 nos
3    Varnier Calliper 30 cm length accuracy 0.05 mm / metre                        6 nos
4    Spirit level 15 cm length accuracy 0.05 mm / metre                            4 nos
5    Steel rule – 30 cm length                                                     6 nos
6    Steel rule – 100 cm length                                                    3 nos.
7    Grinding machine                                                              4 nos.
8    Cutting torch with accessories                                                7 sets
9    Heating torch with accessories                                                3 nos.
10   Drilling machine                                                              2 no.
11   Electrical welding machine with accessories                                   7 nos.
12   Electric winch                                                                4 nos.
13   Tool boxes with hammer, chisel, sc driver, spanner 6-32mm                     12 boxes
14   Hacksaw frame                                                                 4 nos.
15   Rough and smooth file set (round, half round, triangular)                     8 sets
16   Chain pulley block – 1 ton                                                    4 nos.
17   Chain pulley block – 3 ton                                                    4 nos.
18   Chain pulley block – 5 ton                                                    3 nos.
19   LCV/ tractor/ trailer                                                         1/1/2 no.
20   Hydraulic Jack –10 ton                                                        3 nos
21   Hydraulic Jack –50 ton                                                        2 nos
22   Hydraulic Jack –100 ton                                                       1 no
23   Slugging Wrench (Ring) size-41mm to 80mm                                      2 nos each
24   Slugging Wrench (open jaw) size-41mm to 80mm                                  2 nos each
25   Vibration Measuring Instrument                                                1 set
26   Millie Amps/Millie Volt Injector                                              1 no
27   Digital Multimeter                                                            3 nos
28   Micro water Level Gauge (for Mill Shell Level checking)                       1 no
29   Megger (500/1000V)                                                            2 nos
30   Hot air blower                                                                1 no
31   Bearing Puller of different sizes                                             1 of each
32   Neon Tester                                                                   6 nos
33   Torch 3 Cell                                                                  8 nos
34   Hand Crimping Tool up to 95 sq mm                                             1 no
35   Hydraulic Crimping Tool up to 630 sq mm                                       1 no
36   Electrician Tool Kit( D-spanner set, Ring spanner set, Box spanner set, Screw 2 Sets
     drivers, Cutting pliers, long nose pliers , Circlip pliers etc.
37   Safety hand lamp                                                              13 nos
38   Flood Light Set with GSL/ Halogen lamp                                        8 nos
39   Rubber gloves- 11 KV grade                                                    3 sets
40   Grease gun, Grease pump                                                       2 nos each
41   Alien key (4mm-20mm)                                                          3 sets
42   Slip gauge (0.5mm-25mm)                                                       1 set
43   Tachometer                                                                    1 No.

                                            39
44     Hammer DE/ Ring Wrench, Sizes 32-95mm                                            2Nos. each
45     Remote Thermometer                                                               4 Nos.
46     Torque Wrench                                                                    2 Nos.
47     Micrometer (Inside & Outside) (0-300mm, 300-400mm) (Mitutoyo make)               1 set
48     Master level                                                                     2 Nos.
49     Square level                                                                     2 Nos.
50     Vibration machine for balancing purpose                                          1 no
51     Slip gauge up to 10 mm                                                           1 set
52     Square level for leveling major parts of installation (accurancy 0.1 mm-150 mm x 1 no.
       150 mm)
53     Set of spring caliper and divider (150 mm)                                       1set.
54     Taper gauges up to 20 mm                                                         3 nos.
55     Feeler strip 0.02, 0.04. 0.05 & 0.1 mm thick x 300 mm long                       5 nos. each
56     Surface plate, 300 mm x 300 mm                                                   1 nos.
57     Measuring steel tape 3M, 15 M                                                    4 nos.
58     Tap set M5 to M42                                                                1 set each
59     Die set M14 to M65                                                               1 set
60     Pistol drill 15 mm, 19 mm (with magnetic stand)                                  4 nos. each
61     Straight grinder GQ4                                                             3 nos.
62     Angle grinder Ag-7, AG-5                                                         2 nos. each
63     Pistol grinder                                                                   3 nos.
64     Flexible grinder with necessary accessories                                      2 nos.
65     Sling 8, 12 mm, eye bolt 10, 12, 14, 16                                          As required
66     Manila rope 25 mm x 30 mtrs                                                       8 nos.
67     Scissors 300 mm, shim cutter                                                     3 nos. each
68     Drilling machine with magnetic base drill upto 25 mm                             2 nos.
69     Copper hammer, 2 kg                                                              5 nos.
70     Pipe wrench 150, 350 and 450 mm                                                  4 nos. each
71     Slide wrench 200 mm, 300 mm                                                      6 nos. each
72     High pressure air hose 30 mtr.                                                   3 nos.
73     Centre punch small & big                                                         1 set each
74     Letter punch 4 mm size                                                           1 set
75     Number punch 6 mm size                                                           1 set
76     Needle file                                                                      6 sets
77     Pliers cutting nose, Grip, O/S Circlip, I/S Circlip                              2 nos. each
78     Oil Stone (rough & smooth)                                                       4 nos. each
79     Copper rod Dia – 25, 12, 300 mm length                                           1no. each
80     Bench vice 150 mm                                                                1 no.
81     Tarpaulin, PVC sheets                                                             As required
82     HooK chuck IT, 2T                                                                 2nos. each
83     Emery paper (fine & coarse), Emery cloth sheet, Petro, diesel, rustolene, Cotton As required
       waste, markin c loth, hole tight, joint compound etc.

The tools and tackles must have to be verified by E-I-C and necessary documents have to be certified by safety
officer.




                                                40
                                           Annexure-VI
                List of Planned Shutdown/ Major Breakdown Activities (Optional Jobs)

Following is the list of Optional Major Shut down/ Break Down jobs whose anticipated annual frequency
has been indicated. However the actual quantity of jobs may vary from the above indicated frequency.
Sl     Description of job                                                             Annual
No.                                                                                   Freq.
1.     Screw Conveyor
       a) Fitting of ribbons, collars, chains, hooks etc. on a Screw Conveyor Body at 18
       maintenance bay to make a screw conveyor assembly ready for fitting in a
       mill
         b) Replacement of old/ damaged screw conveyor assembly by a new one          18
       (lying ready at maintenance bay/ store)
         c) Fitting of ribbons, collars etc. on screw conveyor body after pulling the 8
       damaged screw conveyor inside mill
2.      Ball Screening
       (i) For BBD 4760                                                               20
       (ii) For BBD 4772                                                              6
3.      Mill Liner Replacement/ Reversal with Ball Screening (Mn-Steel Liners &
       Forged Steel Balls) or (High- Chrome Liners & Ball)
        a) All 520 Nos. Liners of BBD 4760                                            2
        b) Only 480 Liners of BBD 4760                                                1
       c) All 600 Liners of BBD 4772                                                  2
       d) Only 560 Liners                                                             2
4       Replacement of main Reducer G/B of Coal Mill                                  4

5     Main Reducer Gear Box‘s internals replacement in situ or at maintenance bay.
        a) Replacement/ Servicing of Input stage pinion/ bearings etc.
      b) Replacement/ Servicing of Intermediate stage wheel, gear/ bearings etc.     6
       c) Replacement/ Servicing of Output stage wheel, gear/ bearings etc.          6
                                                                                     6

6      Replacement of Aux. Gear-box                                                  3
7      Auxiliary Reducer Gear Box‘s internals replacement/ servicing in situ or at
      maintenance bay.
      a) Replacement/ servicing of Input stage pinion/ bearings etc.                 3
      b) Replacement/ Servicing of Intermediate stage wheel, gear/ bearings etc.     3
      c) Replacement/ Servicing of Output stage wheel/ bearings etc.                 3

8     Replacement of Gear Coupling of Main Drive System.                             3
9     Replacement of coupling between main motor and main reducer or                 5
      Replacement / Inspection of DE side Bearings of Main Motor or BOTH of the
      above jobs at same time.
10    Replacement of coupling between main motor and aux. reducer or                 8
      Replacement / Inspection of NDE side Bearings of Main Motor or BOTH of
      the above jobs at same time.




                                               41
11   a) Replacement of P.A. fan Impeller or shaft including bearings if required     2
     b) Replacement of PA Fan Impeller wear plate (1 set= 10 Nos.)                   12
     c) PA Fan Casing Top Half replacement                                           9
     d) PA Fan Casing Top Half refurbishment at maintenance bay.                     9
     e) Replacement of PA Fan Bearing(DE) or Coupling or Replacement/                12
     Checking of DE side bearing of PA Fan Motor or all the above three jobs
     done at a time
     f) In-situ repair of PA Fan casing by replacing the rib and/ or replacing the   12
     casing liners
12   Replacement of Girth Gear Pinion Support Bearing or Housing(DE) or both         2

13   Replacement of Girth Gear Pinion Support Bearing or Housing(NDE) or both        2
14   Replacement of Girth gear                                                       1
15   Replacement of Girth gear pinion.                                               1
16    a) Replacement of Trunnion Tube or its Total Liner or both                     3
      b) Replacement of Trunnion Tube Liner covering one-third of total area of a
     liner if done at a time other than during Screw Conveyor Replacement.           2
     c) Replacement of Trunnion Tube Liner covering one-third of total area of a
     liner if done during Screw Conveyor Replacement.
                                                                                     12
17   Replacement/Repairing/ Inspection of Bearing Shell Bronze                       15
18   Replacement of Trunion—each                                                     1
19   Replacement/ Adjustment of Deflector Plates(20 Nos.) to be done at a time       18
     other than replacement of Inlet side liner with/without Boss—each side
      Or
     Replacement of Inlet side liner without boss (16 Nos.) and Inlet side liner
     with boss (4 Nos.)
      Or
     Both
     Note:- No charge will be paid against this job if it is done at a time of
     chargeable replacement of Inlet side liner with/ without Boss

20   Replacement of Coal Feeder Belt.                                                24
21   Replacement of Main Gear Box of Coal Feeder OR Clean Out Conveyor               24
     Gear Box
22   Servicing of Coal Feeder‘s all Idlers/ Pulleys done at a time other than belt   24
     replacement.
23   Replacement of Classifier Outlet Gate                                           8

24   Servicing of Classifier Outlet Gate OR Feeder Inlet Gate —each                  72

25   Replacement of RC Feeder Gate or its Seal                                       12
26   Replacement of Coal Feeder Inlet Gate/ Bunker Outlet Gate                       2


27   Replacement of Expansion Joints ( Any Size)                                     18



                                               42
28    Replacement of Coal Pipe Bends                                                  24

29    Replacement of Coal Pipe—each meter                                             100

30     Replacement of Coal Mill Motor including transportation from site to any       2
      place inside MTPS.
31.   Replacement of PA fan Motor including transportation from site to any place     2
      inside MTPS.

32.   Cable collection from main store/ site store, Cable laying including complete   5
      terminations, carrying out HI-POT test of the new cables & free run of motor
33.   Threading out of rotor of HT motor & necessary welding to build up the          5
      material on rotor and assistance in getting it machined in the Machine shop
      and then box up the motor.
34    Balancing/ Vibration Analysis of PA / SA Fans                                   18

35    Coal Pipe Cleaning                                                              50
      (No charge shall be payable if the same coal pipe gets chocked within seven
      days of the job completion.)
36    Ball Feeding                                                                    1000
      (No charge for ball feeding shall be payable if done during Ball Screening or
      Liner replacement).
      Note:- Ball feeding have to be done from 8AM to 8PM for safety reasons and
      as per schedule.

37    Seal Air Fans Bearings/ impeller/shaft checking/ Replacement                    12

38    Replacement of transition Pieces OR their corners above/ below Classifier       100
      Outlet Gates
39    Replacement of PF Outlet Box (above classifier and below Cl. OL Gate)           10


40    Replacement of Transition Pieces below Mixing Box                               10


41    Replacement of Raw Coal Chute/ Coal Feed Pipe/ Replacement of transition        10
      plate below RC gate.

42    China hut replacement                                                           6
43    Cleaning of mill area and feeder floor area for excessive coal/ coal dust       200
      accumulation due to leakages from milling system or piling up of mill or
      spillage of coal from coal bunkers or belt or for other abnormal reasons
      Note:- This includes manual cleaning of coal dust/ raw coal through chutes on
      trolley and disposal at specified location.

44    Complete jacketing of mixing box/ mixing box reducer                            12




                                               43
45     Overhauling of each Coal Mill and it‘s aux. equipment along with PA Fans,         10
       SA Fans, Coal Feeders, Ducts & Dampers etc. as per Overhauling Job list
       prepared at that instance when unit is under Shutdown condition
46.    Cleaning of Ducts of Purge Air System & Servicing of its dampers and              1
       system

47     Adjustment of Mill shell flange gap of Coal Mill                                  1

48     A. Painting of different equipments and structure                                 5000sqm

       B. Painting of water and oil pipelines                                            2000 M

       C. writing details of equipments                                                  60000
                                                                                         letters
49.    Replacement and repairing of hot air boxes, PA inlet duct expansion joints,       2
       Repairing of Aerofoil and damper blades with other associated work for mill
       re-conditioning after any unforeseen damage like explosion in mills etc.
50.    Erection of platforms near PF pipes above classifier for approach to attend       3
       coal dust leakage for each unit
51      Cleaning of hot air box and draining of coal slurry from inside of mill.       1
52.     Repairing of aerofoil and its change over from other mill.                     1
Scope of work for optional jobs and performance guarantee as mentioned above :
1. Screw Conveyor
a) Fitting of ribbons, collars, chains, hooks etc. on a Screw Conveyor Body at maintenance bay to
make a screw conveyor assembly ready for fitting in a mill:
(i) Transportation of old screw conveyor from site to maintenance bay.
(ii) Removal of ribbons hooks and chains from old screw conveyor body.
(iii) Transportation of new ribbons, hooks, and chains from store to working site.
(iv) Making modification of screw conveyor drum if necessary (like End Collar, Shaft, Ribbon Block
replacement etc.)
(v) Fixing new ribbons, hooks, angles and chains to screw conveyor drum. Fixing of conical block to
ribbon end with screw conveyor.
(vi) Welding of plates at joints in ribbon.
(vii) Any other work or minor modification work required as per instruction of E-I-C.


b) Replacement of old/ damaged screw conveyor assembly by a new one (lying ready at
maintenance bay/ store):
(i) Transportation of repaired/ new Screw Conveyor to mill side.
(ii) Removing the Screw Conveyor Bearing & Housing properly.
(iii) Removing the Hot Air Box and associated fittings.
(iv) Removing the damaged Screw Conveyor and bringing it down to maintenance bay for repairing.
(v) Replacement / repairing of Trunnion tube liner of respective mill side if required.
(vi) Air line of Delta-P system should be checked for damage & jamming and making it repaired.
Damaged deflector plate to replaced by new one.
(vii) Replacement / repairing of mill body liners of the respective mill side as reqired.
(viii) Insertion of new Screw Conveyor into mill.
(ix) Fixing of 4 (Four) nos. Tie-Rod and making arrangement to protect the same during operation from
being damaged.
(x) Fixing of the Hot air box and associated fittings. Checking the conditions of liner of PF outlet duct
and taking corrective actions for rectification.
                                                 44
(xi) Fixing of Screw Conveyor Bearing and making modification of Bearing base if required.
(xii) Making alignment of the Screw Conveyor to make it co-axial with the mill as per specification.
(xiii) Any other work required as per instruction of E-I-C.

  c) Fitting of ribbons, collars etc. on screw conveyor body after pulling the damaged
 screw conveyor inside mill:
(i) Dismantling of screw conveyor bearing housing and removal of bearing from housing. Removals of tie
rods from boss liner.
(ii) Pulling the screw conveyor inside the mill.
(iii)Fitting/ repairing of ribbons, collars, deflector plate etc. Inside the mill.
(iv) Placing the screw conveyor in position and support welding of tie rods with fitting of tie rods.
(v) Replacement of damaged liners inside the mill.
(vi) Fitting of screw conveyor bearings and alignment of screw conveyor at both ends (With stuffing box
and boss liner) maintaining the specified alignment value. Checking of mill lifting and recording it.
(vii)Any other work as per instruction of E-I-C.

2. Ball Screening :
(i)Fitting of net below the mill.
(ii) Opening of back side door.
(iii) Ball screening by rotating the drum by inching drive.
( iv) After emptying the mill, checking of mill shell flange bolt tightness. Tightness of bolts of all
liners particularly boss liner and end shell liners.
(v) Charging of old balls (>20mm) through back side door and new balls of size 50 mm and 40 mm
through front doors. Total quantity of balls to be charged will be 75-80 drums in U# 1to4 and 95-105
drums in unit 5&6. After completion of ball charging and before charging through front doors, mill have
to be rotated.
(vi) Closing of front doors after ball top up.
(vii) Checking of mill lifting after completion of work.
(viii) Any other work required as per instruction of E-I-C.
Note: No additional charge for ball top up will be claimed for next 7 days from date of completion of ball
screening. Any additional ball top –up will be done by contractor as required.
3. Mill Liner Replacement/ Reversal with Ball Screening (Mn-Steel Liners & Forged Steel Balls) or
(High- Chrome Liners & Ball)
(i) Emptying of balls of mill as per scope of work for ball screening.
(ii) All liner bolts to be opened. (Care to be taken for not damaging of liner bolts.). Dismantling of screw
conveyor bearing housing.
(iii) Removal of DE and NDE tie rods .
(iv) Removal of all liners.
(v)Replacement of gasket between liner and mill shell.
(v) Checking of shell flange bolt tightness.
(vi) Fitting of new liners in to mill shell.
(vii) After fitting of boss liner, deflector plate (DE & NDE) setting for maintaining proper gap to be done.
(vii) Assembling of screw conveyor and its alignment.
(viii) Checking of all liner bolts tightness .
(ix) Charging of balls in the mill as per scope of work for ball screening.
(x) After running of 7 days of mills , all bolts have again tightened for optimum tightness.
(xii) Any other work required for completion of the job as per instruction of E-I-C.
Note: No additional charge for ball screening or any work will be claimed extra for the job.
4. Replacement of main Reducer G/B of Coal Mill
(i) Draining of oil through trays in empty drums.
(ii) Dismantling of gear coupling and resilient coupling from old gear box.
(iii) Dismantling of oil cooler and cooling lines.

                                                 45
(iv) Removal of foundation bolts and removal of old gear box from its position and its transportation to
repairing bay.
(v) Cleaning of foundation pads and checking of its surface by blue matching with a glass plate.
(vi) Coupling fitting in new gear box and its placement at foundation pads.
(vii)Alignment of gear box with motor and driving pinion as per specified value.
(viii) Fittings of cooling lines ,oil coolers etc.
(ix) Oil top-up in gear box up to required level and checking oil flow to bearings , gear teeth etc. Through
inspection doors.
(x) Flushing of oil after 500 running hours.
(xi) Any other work required as per instruction of E-I-C.

5. Main Reducer Gear Box’s internals replacement in situ or at maintenance bay.
(i) Dismantling of couplings of gear box as per scope of work for replacement of reducer gear box and
sifting the reducer gear box at maintenance bay if required.
(ii)Opening of top cover of gear box.
(iii) Inspection of internals of gear box like bearing checking (6nos.), pinion checking (1st ,middle and 3rd
) etc. and detection of fault .
(iv) Replacement of defective internals for satisfactory operation of gear box.
(v) Cleaning of all internals inside the gear box .
(vi) Positioning of gear box after proper cleaning of parting plane and fitting of top cover.
(vii) Alignment of gear box with motor and drive pinion.
(viii) Oil top-up in gear box and checking of oil flow through bearing and at gear teeth .
(ix) Any other work required for completion of the job as per instruction of E-I-C.

6. Replacement of Aux. Gear-box
(i) Dismantling of coupling in both sides with main motor and auxiliary motor. Draining of oil from gear
box. Dismantling of all accessories like brake shoe, brake drum etc.
(ii) Removal of foundation bolts and removal of old gear box from its position.
(iii) Positioning of new gear box at site and its alignment after fitting of couplings.
(iv) Fitting of accessories .
(v) Any other work required as per instruction of E-I-C.

7. Auxiliary Reducer Gear Box’s internals replacement/ servicing in situ or at maintenance bay.
(i) Dismantling of top cover and checking of all internals of gear box. Fault diagnosis by checking of
internals.
(ii) Replacement of internals as required for smooth operation of gear box.

8. Replacement of Gear Coupling of Main Drive System.
(i) Dismantling of collar bolts of gear coupling.
(ii) Dismantling of gear box for suitability to carry out the work.
(iii) Dismantling of old and damaged gear coupling hubs by hydraulic jack and required tool.
(iv) Heating of new hubs on induction heaters/ oil bath and its fitting on shafts.
(v) Fitting of covers after alignment of gear coupling and bibby coupling.
(vi) Greasing of gear coupling before fitting of covers.
(vii) Any other work required as per instruction of E-I-C for

9. Replacement of coupling between main motor and main reducer or Replacement / Inspection of
DE side Bearings of Main Motor or BOTH of the above jobs at same time.
(i) Dismantling of reducer gear box and its shifting from position.
(ii) Dismantling of old coupling by torch heating and taking out by pullers and hydraulic jack.
(iii) Heating of new coupling hubs on induction heaters/ oil bath and fitting of same.
(iv) Fitting of covers after alignment of complete driving train. Positioning of reducer gear box.
(v) Any other work required to complete the job as per instruction of E-I-C.
                                                  46
(vi) Dismantling of cover of main motor DE side bearings.
(vii) Checking of main motor DE side bearings and recording its clearance.
(viii) Replacement of bearings by taking it out along with housing.
(ix) Metal up and machining of bearing housing if required.

10. Replacement of coupling between main motor and aux. reducer or Replacement / Inspection of
NDE side Bearings of Main Motor or BOTH of the above jobs at same time.
(i) Dismantling of aux. reducer gear box along with its accessories.
(ii) Taking out damaged coupling by torch heating and with pullers and hydraulic jack.
(iii) Fitting of new coupling .
(iv) Dismantling of cover of NDE side bearings of main motor.
(v) Checking of clearance of bearings .
(v) Replacement of bearings in NDE side of motor if required and any corrective work like metal up,
machining in the bearing housing.
(vi) Fitting of all the items after alignment and other work.
(vii) Any other work required to complete the work as per instruction of E-I-C.

11. a) Replacement of P.A. fan Impeller or shaft including bearings if required
(i) Dismantling of PA fans top casing.
(ii) Removal of main motor coupling bolts, fan side coupling hub and dismantling of both side bearing
housing .
(iii) Dismantling of PA fan impeller along with shaft and shifting it.
(iv)Dismantling of both side bearings.
(v) Dismantling of DE and NDE shaft seal and nut- bolts to take out impeller from the shaft.
(vi) Repairing of shaft by metal- up and machining and fitting of impeller after required corrective works
like replacement of wear plate , metal up of worn out portion of mother plate etc.
(vii) Fitting of bearings in both sides along with sleeve , collars etc.
(viii) Positioning of impeller at side and fitting of top casing after necessary repairing work. Repairing of
all parts of casing will be included in the scope of work.
(ix) Fitting of both sides bearing housing maintaining specified clearance. Care have to be taken for
proper matching of oil grooves of housing and bearing. Fitting of oil lines to bearing housing.
(x) Alignment of fan with motor after fitting of coupling in fan side. Alignment values have strictly to be
maintained as per specified value.
(x) Care have to be taken for tightening of coupling bolts . Condition of rubber bush have to be accessed
and to be replaced if required.
(xi) Putting oil pumps in service and checking of lubrication system for any leakage and equal oil flow in
both sides.
(xii) Balancing of fan if required . Charges for balancing will be paid extra.

b) Replacement of PA Fan Impeller wear plate (1 set= 10 Nos.)
(i) Cutting and removal of nut bolts and taking out old and worn out wear plates from fan impellers in-situ
or at maintenance bay.
(ii) Metal up of worn out portion of mother plate .
(iii) Fitting of new wear plates and bolting it. Tagging of bolts.
(iv) Any other work required to complete the job as per instruction of E-I-C.

c) PA Fan Casing Top Half replacement
(i) Replacement of top half casing by dismantling of nut- bolts.
(ii) Replacement of repaired/ new casing and fitting of nut- bolts.
(iii) Any other work as required to complete the work.
d) PA Fan Casing Top Half refurbishment at maintenance bay.
(i) Transportation of PA fan top half at maintenance bay.
(ii) Necessary activities required for repairing like grafting of plates by welding, replacement of seal etc.
                                                   47
e) Replacement of PA Fan Bearing(DE or NDE) or Coupling or Replacement/ Checking of DE/
NDE side bearing of PA Fan Motor or all the above three jobs done at a time
(i) Dismantling of coupling bolts and removal coupling in fan side.
(ii) Removal of shaft seal.
(iii) Dismantling of bearing housing and lifting of shaft by chain block or hydraulic jack.
(iv) Dismantling of bearings and fitting of new bearing after heating in oil bath/ induction heater.
(v) Fitting of housing and coupling.
(vi) Alignment of fan and motor as per specified value.

f) In-situ repair of PA Fan casing by replacing the rib and/ or replacing the casing liners
(i) Removal of old liners by cutting of bolts and ribs.
(ii) Fitting of new liners and bolting it with casing.
(iii) Fitting of new ribs in both sides and ribs to be stitch welded . (Stitch welding to be done for length of
approximately 75 mm at a gap of 2 feet.)
(iv) Three nos. of doors to be boxed up with asbestos rope and grease so that no leakage occurs.

 Note: In all the above mentioned jobs, care have to be taken to provide asbestos rope between bolts in
zigzag manner between casing parting plane and inspection doors so that no leakage occurs during
running of PA fans.

12. Replacement of Girth Gear Pinion Support Bearing or Housing(DE) or both
(i) Girth gear greasing panel box dismantling with sound hood in side.
(ii) Backlash cover bolt dismantling.
(iii) Gear coupling bolts dismantling.
(iv) Dismantling of I/B and O/B bearings top cover to facilitate lifting of pinion along with I/B and O/B
bearings.
(v) Dismantling of coupling hub and removal of bearings along with its adaptor sleeve.
(vi) Cleaning of teeth of pinions and girth gears suitably and checking conditions of teeth.
(vii) Checking of felt seals by locating gap inside and its replacement if required.
(viii)Fitting of bearings with adaptor sleeve after heating on oil bath/ induction heater. Replacement of
bearing housing if required.
(ix) Ensuring proper fitting of felt seals in bearing housing.
(x) Placement of complete assembly on position and fitting.
(xi) Checking and recording of backlash of girth gear and its pinion.
(xii) Alignment of complete train .
(xiii) Any other work required to complete the job as per instruction of E-I-C.

13. Replacement of Girth Gear Pinion Support Bearing or Housing(NDE) or both
(i) Dismantling of gear coupling and bearing housing.
(ii) Lifting of shaft and dismantling of bearing , check nut , adaptor sleeve etc.
(iii) Fitting of new bearing in position along with adaptor sleeve and lock nut.
(iv) Checking of backlash of girth gear and its pinion.
(v) Alignment of complete train.
(vi) Any other work required as per instruction of E-I-C.

14. Replacement of Girth gear
(i) Dismantling of girth gear holding bolts (total- 6 nos. 3 in each side for U# 1to4).
(ii)Removal of fixing bolts with mill shell.
(iii) Removal of I/B and O/B bearing along with pinion as mentioned in scope of work for serial no.-12.
(iv) Removal of sound hood and dismantling of girth gear.
(v) Fitting of new girth gear and bolting it with mill shell.
(vi) Fitting of holding bolts.
(vii) Fitting of girth gear pinion set, sound hood, panel box etc. and adjustment of backlash.
                                                   48
(viii) Fitting of felt seals etc. and alignment of complete train.
(ix) Any other work required to complete the job as per instruction of E-I-C.

15. Replacement of Girth gear pinion.
(i) Dismantling of girth gear pinion complete set as per scope of work mentioned in serial no.-12.
(ii) Dismantling of pinion of girth gear from shaft by heating arrangement, pullers , jack etc.
(iii) Assessment of condition of shaft and its metal build up and machining.
 (iv) Fitting of new pinion into shaft or fitting of old pinion by reversing the side.
(v) Cleaning of teeth of girth gear and pinion and replacement of felt seals as required. Cutting of pocket
in sealing chamber of girth gear and cleaning of coal dust.
(vi) Assembling of system as per scope of work in serial no.- 12.
(vii) Any other work required to complete the job as per instruction of E-I-C.

16. a) Replacement of Trunnion Tube or its Total Liner or both
(i) Dismantling of hot air box, screw conveyor along w ith its bearing housing and dismantling of tie rods.
(ii) Dismantling and removing of damaged trunnion liner and tube by cutting it.
(iii)Fitting of new trunnion tube along with its liner.
(iv) Placement and fitting of screw conveyor, hot air box etc. and fitting of bearing housing of screw
conveyor.
(v) Alignment of screw conveyor as per scope of work above.

      b) Replacement of Trunnion Tube Liner covering one-third of total area of a liner if done at a
time other than during Screw Conveyor Replacement.
(i)Dismantling of screw conveyor as per scope of work for its dismantling.
(ii) Cutting and removal of damaged portion of trunnion tube liner.
(iii) Insertion of new trunnion liner after cutting in size (by taking measurement of old liner).
(iv) Full round welding of inserted trunnion liner.
(v) Screw conveyor fitting and alignment as per scope of work mentioned above.
(vi)Any other work required for completion of the job as per instruction of E-I-C.

c) Replacement of Trunnion Tube Liner covering one-third of total area of a liner if done during
Screw Conveyor Replacement.
(i) Cutting and removal of damaged portion of trunnion tube liner.
(ii) Insertion of new trunnion liner after cutting in size (by taking measurement of old liner).
(iii) Full round welding of inserted trunnion line.
17. Replacement/Repairing/ Inspection of Bearing Shell (Bronze Liner)
(i) Opening of top cover of bronze liner and both side inspection doors.
(ii) Positioning of cradle below shell for mill lifting.
(iii)Lifting of mill shell through cradle by hydraulic jacks.
(iv) Dismantling of bronze liner and bearing shoe by opening of lock nut and rotating bronze liner with
chain block.
(v) Inspection of bronze liner for any cracks, polishing, rubbing or any other defects which are visible.
Inspection of liner shoe for nipple, ‗o‘ ring and other fittings for ball and socket along with high pressure
oil line connections. Inspection of liner shoe for polishing, cracks etc.
(vi) If required , polishing of bronze liner and shoe by oil stone/ emery paper and taking other corrective
actions.
(vii) Fitting of liner and shoe in position after cleaning of all the components.
(viii) Checking of gap between liner and shoe by filler guage and setting in ‗0‘ position.
(ix) Unloading of cradle by releasing pressure of hydraulic jack.
(x) Box- up of top cover, inspection doors etc.
(xi) Checking of lifting of shell by running of LP pump, B&S pump and HP pump in oil temperature of
above 45ºC.
(xii)Minimum lifting should be 0.2 mm.
                                                  49
(xiii) Any other work required to complete the job as per instruction of E-I-C.
18. Replacement of Trunion—each
(i) Dismantling of hot air box, screw conveyor , bronze liner , bearing shoe etc. as per scope of work
mentioned above for dismantling. Lifting of shell by positioning of cradle as mentioned above.
(ii) Opening of all nut- bolts (approximately 40 nos.) fitted with trunnion and mill shell and removal of
same.
 (iii) Removal of old and damaged trunnion with help of hydra crane and chain block etc. and placing it at
proper location.
(iv) Removal of trunnion tube and liner from trunnion.
(v) Placing of new trunnion in position and bolting it with mill shell with help of rachet/ torque wrench
for specified torque value.
(vi)Fitting of trunnion tube & its liner, screw conveyor, hot air box, bronze liner etc. as per scope of work
mentioned above.
(vii) Any other work required to complete the job as per instruction of E-I-C.

19. Replacement/ Adjustment of Deflector Plates(20 Nos.) to be done at a time other than
replacement of Inlet side liner with/without Boss—each side
(i) Dismantling of tie rods after dismantling of bearing housing of screw conveyors.
(ii) Removal of all liners (approximately 20 nos.) along with boss liners.
(iii)Adjustment/ replacement of deflector plates and setting of gap with trunnion tube (Approximately
2.5- 3.5 mm or as per designed value) .
(iv) Liners to be fitted and screw conveyor fitting and alignment as per scope of work mentioned above.
20. Replacement of Coal Feeder Belt.
(i) Coal feeder inlet gate to be closed.
(ii) Opening of inspection door and all doors of coal feeder (total- 4 nos.)
(iii) RC gate air line to be closed.
(iv) Inside of coal feeder to be cleaned.
(v) All rollers- 11 nos. (Take-up pulley, drive pulley, load cell pulley, instrument roller- 2nos. and support
rollers- 6nos.) along with load cell plate to be dismantled.
(vi) Servicing/ replacement of all bearings of rollers and their fitting.
(vii) Drive roller pin and bush (total-14 nos.) checking and replacement if required.
(viii) Placement of belt along with drive rollers and fittings of all rollers one by one.
(ix) After assembling, belt tension to be checked for 45 minutes in running condition.
(x) Co- ordination with C&I for Calibration of load cell.
(xi) All doors to be boxed –up with gasket/ asbestos rope for lakage free operation.
(xii) Feeder inlet gate and RC gate must to be opened.
(xiii) Any other work required to complete the job as per instruction of E-I-C.
21. Replacement of Main Gear Box of Coal Feeder OR Clean Out Conveyor Gear Box
(i) Dismantling of drive rollers.
(ii) Belt tension to be released and load cell and load plate to be taken out.
(iii) Dismantling of gear box by opening of all nut and bolts with feeder body and taking it out with help
of chain block.
(iv) Flange and pins of old gear box to be fitted in new gear box and positioning of new gear box to be
fitted with drive rollers.
(v) Oil top- up in gear box to be ensured (servo mesh-320).
(vi) Belt tension to be checked in running condition.
(vii) New gear box oil to be replaced after 1 month.
22. Servicing of Coal Feeder’s all Idlers/ Pulleys done at a time other than belt replacement.
(i) Coal feeder inlet gate to be closed.
(ii) Opening of inspection door and all doors of coal feeder (total- 4 nos.)
(iii) RC gate air line to be closed.
(iv) Inside of coal feeder to be cleaned.

                                                  50
(v) All rollers- 11 nos. (Take-up pulley, drive pulley, load cell pulley, instrument roller- 2nos. and support
rollers- 6nos.) along with load cell plate to be dismantled.
(vi) Servicing/ replacement of all bearings of rollers and their fitting.
(vii) Drive roller pin and bush (total-14 nos.) checking and replacement if required.
(viii) Box-up of coal feeder and checking and adjustment of belt tension in running condition.
23. Replacement of Classifier Outlet Gate
(i) Dismantling of motor.
(ii) All flange bolts to be removed.
(iii) Seal air flange bolts to be removed.
(iv) Taking out old classifier outlet gate.
(v) Fitting of new classifier outlet gate along with placement of asbestos rope in zigzag manner between
bolts of flange in top and bottom side.
(vi) Motor to be fitted and any other work required to complete the job.
(vii) Checking of operation of th gate with co-ordination of operation section.

24. Servicing of Classifier Outlet Gate OR Feeder Inlet Gate
(i) Carrying of classifier outlet gate at repairing bay.
(ii) Top cover to be opened and spindle , bush and tie rod to be checked properly dismantling all and
servicing of same.
(iii) Replacement of bush, tie rod , motor spindle bearing etc. if required.
(iv) Fitting of all the components and assembling the classifier outlet gate.

25. Replacement of RC Feeder Gate or its Seal
(i) Disconnecting of RC feeder gate from pneumatic cylinder drive rod.
(ii) Making arrangement for fixing of upper portion of gate.
(iii) Dismantling of all nut –bolts etc. of RC feeder gate with transition piece.
(iv) Dismantling of transition piece below RC feeder gate and its repairing of worn out portion
/replacement by new one.
(v) Taking out RC feeder gate for repairing.
(vi) Replacement of brass strips, wire braided rope and metal up and grinding of worn out portion.
(vii) Any modification required for leakage free operation of RC gate.
(viii) Fitting of RC feeder gate and transition piece below it and connection of gate with drive.
(ix) Checking of smooth operation of gate.
(x) Any other work required as per instruction of E-I-C.
26. Replacement of Coal Feeder Inlet Gate/ Bunker Outlet Gate
(i) Fixing of upper portion of gate with chain block or other suitable arrangement.
(ii) Dismantling of damaged gate and its removal.
(iii) Fitting and fixing of new / repaired gate and checking its operation.
27. Replacement of Expansion Joints ( Any Size)
(i) Erection of proper scaffolding to carry out the work.
(ii) Removal of insulation from expansion joints.
(iii) Gas cutting of old expansion joints and removal of expansion joints.
(iv) Placement of new expansion bellow and tagging it followed by full welding.
(v)Removal f scrap material from the site immediately.
28. Replacement of Coal Pipe Bends
(i) Erection of proper scaffolding to carry out the work. Proper support of coal bend to be replaced by
chain block /winch.
(ii) Removal of victaulic couplings at both ends along with rubber gasket.
(iii) Lowering of damaged coal bend.
(iv) Lifting of new coal bend and positioning at site.
(v) Fitting of gaskets and victaulic coupling at both ends of new bend.
(vi) Checking for leakage during operation and taking corrective action.
29. Replacement of Coal Pipe
                                                  51
(i) Erection of proper scaffolding to carry out the work. Proper support of coal pipe to be replaced by
chain block /winch.
(ii) Removal of victaulic couplings at both ends along with rubber gasket.
(iii) Lowering of damaged coal pipe.
(iv) Lifting of new coal pipe and positioning at site.
(v) Fitting of gaskets and victaulic coupling at both ends of new pipe.
(vi) Checking for leakage during operation and taking corrective action.

30. Replacement of Coal Mill Motor including transportation from site to any place inside MTPS.
(i) Transportation of coal mill motor from site stores to mill side.
(ii) Dismantling of bibby coupling of reducer gear box and auxiliary gear box coupling.
(iii) Dismantling of reducer gear box , if required to carry out the work.
(iii) Removal of foundation bolts of motor and shifting of old motor by mobile crane and placing it to
specified location.
(iv) Placement of new motor after fitting of coupling in both sides from old motor and tightening of its
foundation bolts.
(v) Placement of reducer gear box in position.
(vi) Alignment of complete train as per specified value.
(vii) Fitting of all couplings.
(viii) Any other work required to complete the job as per direction of E-I-C.

31. Replacement of PA fan Motor including transportation from site to any place inside MTPS.
(i) Removal of PA fan canopy and PA fan motor coupling.
(ii) Transportation of PA fan motor from site stores to Fan side.
(iii)Removal of foundation bolts of PA fan motor and shifting of old motor from its position to specified
location.
(iv) Placement of new motor on base after fitting of coupling from old motor and tightening of its
foundation bolts.
(v) Alignment of motor and fan for specified value .
(vi) Box- up of coupling after completion of alignment .
(vii) Any other work required for completion of the job as per instruction of E-I-C.
32. Cable collection from main store/ site store, Cable laying including complete terminations,
carrying out HI-POT test of the new cables & free run of motor

33. Threading out of rotor of HT motor & necessary welding to build up the material on rotor and
assistance in getting it machined in the Machine shop and then box up the motor.

34. Balancing/ Vibration Analysis of PA / SA Fans
(i) Vibration machine will be arranged by the contractor.
(ii) Standard weight will be arranged by the contractor.
(iii) Spectrum analysis of vibration and diagnosing the fault.
(iv) Bringing the vibration level of PA fans/ SA fans up to satisfactory level by alignment / balancing or
other corrective means up to satisfactory level.

35. Coal Pipe Cleaning
(i) Erection of proper scaffolding to carry out the work.
(ii) Cutting of pockets near bends up to coal burners.
(iii) Cleaning of coal manually/ by compressed air from burner side up to c lassifier .
(iv) Ensuring cleaning of coal completely from classifier to coal burner . (Checking by ensuing suction of
air from pocket near classifier).
Note: No charge shall be payable if the same coal pipe gets chocked within ten days of the job
completion.

                                                 52
36. Ball Feeding
(i) Transportation of ball drums from storing place to mill side by mobile crane. (not more than 5 drums
of balls will be kept near mill. Ball drums have to be kept at specified place in arranged manner.)
(ii) Lifting of balls from ground floor to ball feeding hopper by hoist/ winch / Chain Block.
(iii) Charging of balls into hopper and opening of ball feeding gate to mill.
(iv) Charging of balls from hopper to mill.
(v)Any leakage occurred during ball charging, have to be attended immediately.
(v) Transportation of empty ball drums from site to specified place immediately.
Note: No charge for ball feeding shall be payable if done during Ball Screening or Liner replacement.

37. Seal Air Fans Bearings/ impeller/shaft checking/ Replace ment
(i) Dismantling of duct pipe.
(ii) Removing of seal air fan impeller.
(iii) Checking of seal air fan impeller welding joints by DPT.
(iv) Dismantling of bearing housing of seal air fan impeller.
(v) Checking of bearings and measurement of clearance .
(vi) Necessary rectification works to be carried out as required.
(vii) Assembling of all parts of bearing housing.
(viii) Trail run of seal air fan and measurement of vibration and temperature . Taking corrective actions
for rectification of any abnormality in vibration and temperature.
(ix) Removal of waste and scrap materials immediately from site.
38. Replacement of PF Outlet Box (above classifier and below Cl. OL Gate)
(i) Readiness with all the required materials and facilities for job.
(ii)Removal of old and worn out PF outlet box and fitting of repaired/ new PF outlet box.
39. Replacement of Transition Pieces below Mixing Box
(i) Erection of proper scaffolding for attending the work.
(ii) Removal of old and worn out transition piece by electrode.
(iii)Grinding, tagging and welding of repaired/ new transition piece to fit it in position.
(iv) Shifting of scrap material from site to scrap yard.
40. Replacement of Raw Coal Chute/ Coal Feed Pipe / transition plate below RC gate.
(i) Erection of proper scaffolding to carry out the work.
(ii) Removal of old and worn out coal feed pipe by electrode and lowering it down .
(iii) Fitting of repaired/ new coal feed pipe by grinding and tagging of replaced coal feed pipe followed
by complete welding.
41. China hut replacement
(i) Opening of access door of classifier cone and erection of proper scaffolding to carry out the work.
(ii) Removal of required ceramic tiles for removal of china hut.
(iii) Repairing of china hut by taking out from classifier body.
(iv) Fitting of china hut by maintaining specified gap from wall.
(v) Fitting of ceramic tiles .

42. Cleaning of mill area and feeder floor area for excessive coal/ coal dust accumulation due to
leakages from milling system or piling up of mill or spillage of coal from coal bunkers or belt or for
other abnormal reasons
(i) Manual collection of coal dust/ raw coal from the milling area or feeder floor area by trolley .
(ii) Collection of raw coal from feeder floor will be done by chutes only.
(iii) Loading of raw coal /coal dust on tractor trolley manually and disposing it to specified place.
(iv) There should not be any accumulation of coal dust in mill area or at feeder floor .
43. Complete jacketing of mixing box/ mixing box reducer
(i) Fabrication by bending of 8 mm MS plates in profiles of mixing box for jacketing.
(ii)Complete Jacketing of mixing box/ mixing box reducer by MS plates to cover it.
(iii) There should not be any leakage from mixing box for a period of 1 year from date of jacketing.
44. Complete jacketing of mixing box/ mixing box reducer
                                                 53
45. Overhauling of each Coal Mill and it’s aux. equipment along with PA Fans, SA Fans, Coal
Feeders, Ducts & Dampers etc. as per Overhauling Job list prepared at that instance when unit is
under Shutdown condition.
A-1: Support Bearings:
(i) Opening of both side inspection doors.
(ii) Opening of top cover of bearing liners.
(iii)Positioning of cradle below shell for mill lifting.
(iii)Lifting of mill shell through cradle by hydraulic jacks.
(iv) Dismantling of bronze liner and bearing shoe by opening of lock nut and rotating bronze liner with
chain block.
(v) Levelling and centre line matching of support bearings.
(vi) Levelling of base plate. Placement , alignment of bearing housing, centring w.r.t. base plate.
(vii)Visual inspection of trunnion, bearing lining for any defect/ score marks, formation of sharp edges
etc. after cleaning in paraffin / diesel, cloth and air. Necessary rectification by scrapping , stoning as
required. Parts / assembly if found beyond repair shall be replaced with new ones .
(viii) Blue matching between male female part of knee joint with shell loaded condition. Application of
desired lubricant between male- female part before final cutting.
(ix) Cleaning of oil grooves / channels of bearing lining , removal of oil seals / oil ‗O‘ ring and
replacement as required.
(x) Levelling of support bearing housing.
(xi) Cleaning of oil spray nozzles, work of oil blockage end stopper cap. Dismantling of all oil carrying
pipelines up to oil station and through cleaning before re-fitting with ferrule. Socket welding may be
required during re- fitting. Support work (oil lines) as required.
(xii) Lowering of mill shell and checking of shell level with V-Blocks & Micro water levels (to be
arranged by the contractor) and checks for all critical dimensions/ clearances as per erection and O&M
manual. Gap between bearing knee & sole plate shall be perfect zero. Shifting of shell and /or shimming
may be required to be carried out by lifting / lowering the shell in order to achieve the above ―zero‖
setting.
(xiii)Cleaning / replacement of oil lines , spray nozzles, coolers , servicing of oil flow metre , oil line
control valves, oil pumps, NRV‘s, coolers or other parts /assemblies as per requirements. Replacement of
oil line fittings , support rectifications.
(xiv) All other associated jobs in order to complete the system work shall be carried out to have desired
pump discharged pressure, flow and shell lift as per erection & O&M manual.
A-2: Girth gear:
(i) Dismantling of girth gear fan ducting.
(ii) Dismantling of Girth gear spray oil panel.
(iii) Dismantling of girth gear cover.
(iv) De- coupling & dismantling of pinion along with bearings & half couplings.
(v) Complete cleaning of Girth gear , teeth and pinion teeth.
(vi) Inspection of all the above for any damage . Rectification by stoning.
(vii) Checks of girth gear fixing bolts with shell, alignment bolts, girth gear matching flange bolts &
adjustment of axial & radial run- out of girth gear and locking (Manual rotation may be required during
this adjustment)
(viii) Boxing up of girth gear housing with work of felt seal, girth gear seal air fan ducting etc.
(ix) Girth gear felt seal work. Assembling back of the above.
(x) Levelling of pinion and backlash adjustment.
(xi) Alignment work for main reducer, main motor, auxiliary reducer assembly and greasing & coupling.
To have alignment data as per requirement , main assembly base holes/ pedestals , frame base holes,
motor base holes/ pedestals may need to be enlarged by rimming / gauging with welding followed
rimming / filling may have to be carried out. Locking arrangements for all installations shall be fabricated
and welded.
(xii) Box- up and normalisation of the system.
                                                 54
A-3: Replacement of mixing box
(i) Cutting of mixing boxes , their chutes by gas/ grinding and replacement by new ones and re- welding
in position.
(ii) RC pipes to be properly aligned.
(iii) Replacement of expansion pieces (feeder outlet).
(iv) Normalisation of the system.
A-4: Primary air fan system:
(i) Removal of oil, water pipeline , top casing.
(ii) Repairing / replacement of casing with liners.
(iii) Replacement of impeller if required.
(iv) Dismantling of both side conical hubs . Inspection, rectification / repair as required (Dismantling of
cover, piping may be required in order to make approach.)
(v) Man power assistance during magnetic particle test by CMERI (to be arranged by DVC.)
(vi) Assembling. Box- up & normalisation.
(vii) PA shut off gates rectification & alignment for trouble free operation.
(viii) Hot , cold and bypass air dampers seals to be checked and replacement / repairing with setting.
(ix) Checking of lube oil system. Replacement of lube oil pumps if required and cleaning of lube oil
coolers.
A-5: Trunnion tube and their liner work:
(i) Removal of hot air box with conveyor body, seal air piping , drive bars, Screw conveyors. (temporary
supporting of associated systems like PF ducting , reject chute, coal feed pipe etc. may be required),
Trunnion seal air felt seal flanges and other associated accessories.
(ii) Dismantling of trunnion tube , removal / replacement of trunnion tube liner.
(iii) Repairing or / and replacement of trunnion tube. Drilling / tapping of holes to have perfect matching.
Aligning the trunnion tube with hot air box w.r.t. mill trunnion .
(iv) DP impulse tube (SS) repairing / replacement . Probe fixing threaded part replacement . Replacement
of impulse pipe(DP) valves & clearing / cleaning of choking.
(v) Fitting of Trunnion Tube liner.
(vi) Replacement of gaskets , ropes, application of joining compound.
(vii) Assembling back of the above dismantled parts.
(viii) Aligning the trunnion tube with hot air box w.r.t. mill trunnion.
(ix) Alignment of screw conveyors, drive bar welding , locking arrangement.
(x) Fixing of DP probes with blocks & protection plates (by welding/ cutting).
(xi) Reassembly of all dismantled parts , Boxing up & normalisation of systems / associated systems.
A-6: Coal feeders and PF pipes and bends:
(i) All coal mill fuel pipes to be thoroughly checked by cutting pockets at an interval of 10 feet (from mill
end to burner end of each pipe ) and taking corrective actions for cleaning of pipes.
(ii) Replacement of damaged and patched coal bends and pipes.
(iii) RC feeder gate servicing.
(iv) Coal mill fuel pipe alignment & support checking & correction as per requirement.
(v) Bunker outlet gate & feeder inlet gate jamming rectification & alignment checking & servicing.
(vi) Repairing of classifier internals , rectification & adjustment of deflector cone & china hut.
(vii) Box-up, leak test of the system and rectification as required.
A-7. Pre- commissioning:
(i) Trial run of the auxiliaries (mills and PA fans)
(ii) Oil pressure adjustment / shell lift setting (same may need shimming & repetition of A-1 activities.
A-8. Final commissioning

Note: (i) Scope of work for mill overhauling is indicative only. Few other job may be required to
execute as per instruction of E-I-C.
(ii) Charges for different works as mentioned above will be paid extra as mentioned in charges for
optional jobs on actual job done basis. Charges for mill Overhauling will be extra .

                                                  55
(iii) Mill overhauling will be preferably carried out during unit overhauling . However, in any
shutdown or outage, contractor will arrange for execution of overhauling jobs as per planning.
(iv) Separate manpower will be arranged by the contractor for mill overhauling work and that will
not be treated as AMC manpower.

46. Cleaning of Ducts of Purge Air System & Servicing of its dampers and system
The Total work would be executed in four parts.

Part I:
    1. Blanking of 24 Nos. of individual purge air ducts to facilitate cleaning in Coal Mill running
        condition.
    2. Erection of Scaffolding at various locations.
    3. Cutting Pockets at various locations to facilitate cleaning.
    4. Restoration of Instrument air lines for Purge Air System.

Part II:
    1. Removal of Coal dust from purge air ducts.
    2. After cleaning of purge air ducts U#2 Feeder & Coal Mill area cleaning & coal dust shifting to
          Coal yard.
Part III:
    1. Pocket welding & removal of Scaffolding after completion of cleaning.
    2. Removal of blanking of 24 Nos. of individual purge air ducts.

Part IV:
   1. Removal of mechanical jamming for all the individual purge air dampers as reported by
         Operation section.
   2. Removal of mechanical jamming in purge air shut off dampers as reported by Operation section.
   3. Any other work required to complete the job and to put purge air system into service.
      Note:1. Contractor should observe all safety measures to his employees while executing the work
            as per safety rules and norms. The contractor should have the full responsibility and
            compensation thereof for any accident to his employees during execution of the job. DVC
            shall have no responsibility for any loss or accident.
      2.    Transportation of coal dust to coal yard & hiring of Tractor for this purpose is in the scope of
            the contractor.
       3. Total work has to be completed in four parts.
            a) Part I of the job has to be completed within 5 days (on two shift basis) from
            commencement of work.
            b) Part II of the job has to be completed within 12 days (on two shift basis) after completion
            of Part I.
            c) Both Part III & Part IV of the job have to be started after completion of Part II & have to
            be completed within 5 days & 2 days respectively (on two shift basis).
            d) The total work has to be completed within 22 days on two shift basis.

       4.. Separate Gangs have to be engaged for each part of the job.
       5. Contractor will ensure trouble free operation of the system for 1 year from date of
            commencement of the system.
        47. Adjustment of Mill shell flange gap of Coal Mill
       Scope of Work:-
          1. Mill both side lifting cradle positioning.
          2. Mill shell flange all bolts removal.
          3. Mill shell flange both sides raw liners (total 80 Nos.) removing.
          4. Mill lifting by Mill lifting jack.
          5. Mill shell flange positioning.
                                                 56
            6. Mill shell flange bolts re-tightening by hydraulic pressure jack.
            7. 80 Nos. liners re fixing with rubber sheet.
            8. Mill lifting cradle shifting from mill bottom.
       Note: (i) Total work have to be completed within 6 (Six) days.
       (ii) Mill lifting cradle has to be removed from its position after completion of the work.

     48. A. Painting of different equipments and structure
     (i) Painting of equipments have to be carried out during shutdown/ overhauling of the units.
     (ii) Colour of paints will be decided by E-I-C or his representative.
     (iii) Necessary scaffolding , paints , spray machine and other required items will be arranged by the
      contractor.
     B. Painting of water and oil pipelines
     (i) All water and oil pipelines have to be painted as per specified code for colours.
     (ii) All scaffolding, paint and other required material will be arranged by the contractor.
     C. writing details of equipments
     (i) After completion of each critical activity, it has to be written in front of equipment.
     (ii) All required material like paint, brush and other materials will be arranged by the contractor.
     49. Replacement and repairing of hot air boxes, PA inlet duct expansion joints, Repairing of
Aerofoil and damper blades with other associated work for mill re -conditioning after any
unforeseen damage like explosion in mills etc.:
    1. Repairing of both side hot air boxes by cutting of damaged plates and repairing of stuffing box.
    2. Fitting of both side hot air boxes by proper alignment.
    3. Servicing/ Repairing of main air ducts of A&B side and rectification of bulged portion of main air
         damper frame.
    4. Replacement of 6(six) nos. of expansion joints in main duct. Repairing of damaged portion of
         PA fan discharge duct & main air duct by plate welding. Alignment of A & B side main air duct
         & rectification of its support.
    5. Repairing of By-pass air ducts of A &B side and rectification of its support..
    6. Checking and minor repairing of PF pipes and its victaulic and Johnson coupling.
    7. Repairing of classifier & refusal ducts of A & B side by filling the gap occurred due to explosion.
    8. Repairing/ servicing of main air dampers in A and B side.
    9. Repairing of mill PF outlet ducts in A & B side.
    10. Any other work required for completion of job which is not included in scope of work for AMC
         of milling system.
         50. Erection of platforms near PF pipes above classifier for approach to attend coal dust
         leakage for each unit:
     Scope of Work:
          1. To bring gratings, angles, channels etc. from store/site.
          2. To make scaffoldings up to the required level.
          3. To erect platforms, ladders.
          4. To remove the scaffoldings.
     51. Cleaning of hot air box and draining of coal slurry from inside of mill:
     Scope of Work
    1. Manual unpacking of the Mill after taking out Hot Air Boxes.
    2. Top-up of Balls in the Mill.
    3. Sorting out the balls from the unpacked coal and balls mixture.
        52. Repairing of aerofoil and its change over from other mill:
        (i) Repairing of aerofoil in duct by developing same profile.
         OR,
         (ii) Replacement of aerofoil from a standby mill to the damaged mill as per direction of E-I-C.
Note: 1.The contractor shall have to provide all consumables as mentioned at Sl. No-1.540(b) above for
          these major shutdown/ breakdown jobs.

                                                 57
      2. If any Planned Shutdown / Major Break down Job which has not been mentioned above are
executed by the agency then they shall be paid at the following rate—
 1. Supervisor @ Rs. 300/ per day
 2. Fitter/ Welder/ Rigger @ Rs. 200/- per day
 3. Gas/ Electrodes/ other consumables ---- At Actual ( Cost decided by DVC shall be final)
 4. Hiring Charge of Truck/Tractor/ Crane—At Actual ( Cost decided by DVC shall be final)
 5. Profit @10% and Overhead Charge @ 7.5% on the total of Sl No.(1) & (2) above.


                                     Annexure-VII
                     Minimum Qualification Requirements of Personnel
Following is the desired qualifications for different categories of personnel. However the same may be
relaxed in case of deserving candidates.

 SL      NAME OF POST           QUALIFICATION             EXPERIENCE
 NO
  1      Site-in-charge         Graduate Engineer/        Minimum Three/ Five years in
                                Diploma Engineer          Power plant.
  2      Engineer               Graduate Engineer         Nil
                                (Four years degree
                                Engineering.)
                                OR
                                Diploma in Engg.          Three(3) Year Experience in any
                                (Mech)                    Mech. Maintenance Activities.
  3      Supervisor (Mech/      Diploma in Engg
         Elec)- Maintenance     (Mech/ Elec)
                                OR
                                 Science Graduate         Three(3) years in similar or five yrs
                                                          in other Milling System
  4      Supervisor (Mech/      Diploma in Engg           One (1) years in similar /Other
         Elec)- Operation       (Mech/ Elec)              Milling system of TPS
                                OR
                                Science Graduate          Three(3) years in similar or five yrs
                                                          in other Milling System
                                OR
                                Higher Secondary          Five(5) years in similar or Seven(7)
                                (Science)                 years in other Milling System
  5       Fitter/Technician     Matric/I.T.I              Three(3) years in similar/five years
                                                          in other Milling System
                                OR
                                Non- Matric               Five(5) years in similar/ seven years
                                                          in other Milling System
  6         Rigger              Non- Matric               Five(5) years in rigging jobs

  7         Welder              Non-Matric/ I.T.I         Five(5) years in welding/Gas-
                                                          cutting.
  8      Asst-Cum-Store-        Higher Secondary          Minimum three(3) years in store-
         keeper                 (Science)                 keeping

                                              58
                                     Annexure-VIII.a
              List of Main Mechanical Equipment of Milling Plant (BBD 4760)

Sl No   Name of Equipment                                            No per Unit   Total No
1       Mill shell                                                  3              18
2       Liner(All types) for BBD 4760                               1560           4680
3       Liner(All types) for BBD 4772                               1800           3600
4       Tie Rod                                                     24             144
5       Screw conveyor & its Bearing                                6              36
6       Ribbon of Screw Conveyor                                    24             144
7       Hot Air Box                                                 6              36
8       Fluid coupling Brake Cultch etc                             3              18
9       BB Coupling No 28TL2                                        3              18
10      BB Coupling No 70TL2                                        3              18
11      Aux-Reducer-                                                3              18
12      Main Reducer                                                3              18
13      Gear Couplung                                               3              18
14      Drive Pinion                                                3              18
15      Girth Gear                                                  3              18
16      Girth Gear Seal air Fan                                     3              12
17      H.P. PUMP                                                   6              24
18      L.P. PUMP                                                   6              24
19      B &S PUMP                                                   3              12
20      Lub Oil Pump Main Reducer G/B                               3              15
21      Seal Air Fan                                                6              24
22      Ball Feeding Gate                                           6              24
23      Classifier & its Vane Piping etc                            6              24
24      Classifier Outlet Gate                                      24             96
25      Coal Pipes                                                  24             96

                                           59
26    Burner Isolating Gates                                     24              96
27    Feeder with Pulley G/B, etc                                6               24
28    R C Feeder Gate                                            6               24
29    P.A. fan and its system etc                                3               12



                                    Annexure -VIII.b

Sl.      Coal Mill System Drives (Electrical) of Unit#1,2,3 &4   No./Unit    Total numbers
1     6.6 KV, 2250 KW,Main Coal Mill Motor                       3nos        12
2     6.6 KV, 800 KW, P.A.Fan Motor                              3 nos       12
3     415 V , 120KW Seal Air fan Motor                           6 nos       24
4     415 V, 37 KW Inching Drive Motor                           3 nos       12
5     415 V ,&.5.5 KW Feeder Main motor                          6 nos       24
6     415V,0.25 KW Cleanout conveyor Motor                       6 nos       24
7     415V,11KW H.P LubOil Pump Motor                            6nos        24
8     415V, 7.5 KW L.P Lub Oil Pump Motor                        6nos        24
9     415V,1.5KW B&S Pump Motor                                  3nos&6nos   15
10    415V, 5.5 KW Reducer-oil Pump Motor                        3nos&6nos   15
11    415V, 0.55KW Girth Gear Seal Air Fan Motor                 3nos        12
12    415V, 1.5 KW PA Fan Lub-Oil Pump Motor                     6nos        24
13    415V, 2.5Kw Classifier Out let Gate Motor                  24nos       96
14    415V, 0.55 KW Girth Gear Grease Pump Motor                 3nos        12
15    Eddy Current Clutch                                        6nos        24
16    Other LT Motors for dampers ,gates, viscous
      Filter, Ball Feeding gates etc
17.   415V, 55KW Purge Air Fan                                   2           8

Sl.        Coal Mill System Drives (Electrical) of Unit#5&6      No./Unit    Total numbers
1     6.6 KV, 2400 KW, Main Coal Mill Motor                      3nos        6
2     6.6 KV, 1275 KW, P.A. Fan Motor                            2 nos       4
3     415 V , 120KW Seal Air fan Motor                           6 nos       12
4     415 V, 37 KW Inching Drive Motor                           3 nos       6
5     415 V ,&.5.5 KW Feeder Main motor                          6 nos       12
6     415V,0.25 KW Cleanout conveyor Motor                       6 nos       12
7     415V,11KW H.P Lub Oil Pump Motor                           6nos        12

                                         60
8            415V, 7.5 KW L.P Lub Oil Pump Motor                                 6nos           12
9            415V, 3.7 KW B&S Pump Motor                                         6nos           12
10           415V, 5.5 KW Reducer-oil Pump Motor                                 6nos.          12
11           415V, 0.55KW Girth Gear Seal Air Fan Motor                          3nos           6
12           415V, 5.5 KW PA Fan Lub-Oil Pump Motor                              4nos           8
13           415V 3.7Kw Classifier Out let Gate Motor                            24nos          48
14           415V, 0.55 KW Girth Gear Grease Pump Motor                          3nos           6
15           Eddy Current Clutch                                                 6nos           12
16           Other LT Motors for dampers ,gates, viscous
             Filter, Ball Feeding gates etc


                                                Annexure-IX
                 Eligibility criteria of Contractor /Subcontractor

The parties should be reputed, reliable, financially sound and should have similar experience of
maintenance in the field of similar Coal Mill (Type –BBD4760/ BBD4772). Details to be furnished by the
firms are given below:

1. Name of the firm

2. Head of the firm and its key personnel with organisational chart giving details of their qualification and
    experience etc for the maintenances jobs.

3. Name and qualification of the of the site–in-charge

4. Details of maintenance set-up with resources like permanent employees (designation and strength),
    tools and tackles and other equipments and capacity.

5. Details of similar nature of maintenance jobs done earlier with performances certificate from clients/
    firms.

6. Experience as contractor /firm with respect to the concern maintenance work giving details of jobs,
    maximum order, with supporting documents like Work order/LOI etc, resources mobilised.

7. Financial credibility/capacity (with documentary proof of latest Bank Solvency) with original cash
    credit limit enjoyed. Last 3 financial years audited financial statements like balance sheets, profit and
    loss accounts and annual turn –over etc.

8. Income tax assessment for the last assessment year.

9. Provident fund registration details with name of state, P.F. Code etc.

10. Labour licence no (Enclosing supporting papers).

11. Name of the personnel to be contacted.

12. Address, telephone no. Fax no. etc for communication.
                                                  61
                                                      Annexure-X

 Sl.                 Description of activity               Duration(tentative)   Penalty for delay
No.
 i).     Replacement      of   old/   damaged      screw 72 hrs                  Rs.500/- per day
         conveyor assembly by a new one

 ii).    Ball Screening                                    84 hrs                Rs. 4000/- per day

iii).    Mill Liner Replacement/ Reversal with Ball 10 days                      Rs. 5000/- per day
         Screening
iv).     Replacement of main Reducer G/B of Coal 72 hrs.                         Rs.6000/-per day
         Mill
 v).     Replacement of Aux. Gear-box                      48 hrs.               Rs.1600/- per day



vi)..    Auxiliary Reducer Gear Box‘s internals            48 hrs                Rs.350/- per day
         replacement/ servicing in situ or at
         maintenance bay.

vii).    Replacement of P.A fan Impeller or shaft          120 hrs.              Rs.6000/- per day
         including bearings if required
viii).   Replacement of P.A fan Impeller wear plate        48 hrs                Rs.200/- per day
 ix)     Replacement of Girth Gear Pinion Support          48 hrs                Rs.6000/-per day
         Bearing or Housing(NDE) or both
 x).     Replacement of Girth Gear Pinion                  72 hrs                Rs.6000/-per day

 xi)     Replacement of Trunnion Tube or its Total 96 hrs                        Rs.9000/-per day
         Liner or both
xii)     Replacement/Repairing/       Inspection      of   48 hrs                Rs.1300/-per day
         Bearing Shell Bronze
xiii)    Replacement of Trunnion- each                     7 days                Rs.8900/- per day

xiv)     Replacement/ Adjustment of Deflector              72 hrs                Rs.2700/-per day
         Plates(20 Nos.) to be done at a time other
         than replacement of Inlet side liner
         with/without Boss—each side




                                                           62
 xv)      Replacement of Inlet side liner without       48 hrs                           Rs.2700/per day
          boss (16 Nos.) and Inlet side liner with
          boss (4 Nos.)

 xvi)     Replacement of Coal Feeder Belt.              7 hrs(if found coal inside the   Rs.350/-per day
                                                        feeder ,time will be
                                                        considered separately)
xvii)     Coal pipe cleaning                            72 hrs.                          Rs.500/-per day

xvii).    Non- availability of jeep/ car                                                 Rs.500/- per day

xix).     Non- availability of Tractor with Trolley                                      Rs.700/- per day

 xx)      Non- availability of one no. of trolley                                        Rs.300/- per day

 xxi)     Non- availability of mobile crane ( 12 ton                                     Rs.1200/- per day
          capacity )
xxii)     Absence of engineers without prior                                             Rs.600/-          per
          permission for leave                                                           engineer per day
xxiii)    Absence of supervisors without prior                                           Rs.300/-          per
          permission for leave                                                           supervisor per day
xxiv)     Absence of fitters without prior permission                                    Rs.200/- per fitter
          for leave                                                                      per day
xxv)      Non- compliance of safety rules                                                Rs.100/- per case

xxvi)     Empty drums in coal mill area                                                  Rs.50 /-per drum

xxvii)    Non- adherence with maintenance schedule                                       Rs.1000/- per case
          for oil centrifuging, classifier/ clack box
          cleaning, PM, cooler cleaning, schedule
          spares replacement

         Other Terms and Conditions:-
          1. THE SIGNATORIES FOR THE OFFER MUST ENCLOSE THE DOCUMENT PROVING
             THEIR AUTHORITY TO DO SO ALONG WITH THE BID. Deviation Sheet as per format
             given with the Tender documents must be submitted.
          2. Settlement of disputes and Arbitration: The parties shall use their best efforts to settle
             amicably all disputes arising out of or in connection with their contract or the interpretation
             there of. Any disputes between the parties as to matters arising pursuant to their contract
             which can not be settled amicably within 30 (thirty) days after receipt by one Party of the
             other Party‘s request for such amicable settlement, the dispute may be submitted by either
             Party for settlement in accordance with the Arbitration clause in General Condition of
             Contract.

          3.   All suits arising out of the NIT and subsequent Work Order/ Contract Agreement if any are
               subject to the jurisdiction of the Hon‘ble Court of Law in the city of Kolkata only and no
               other Hon‘ble Court of Law elsewhere.

                                                        63
 4.    The Contractor shall fully co-operate with DVC‘s (owner‘s) other Contractors for associated
      plant and subsidiary as well as other similar activities. The Contractor shall also co-operate
      fully with and carryout all reasonable direction of the owner‘s (DVC‘s) designated Chief
      Engineer (O&M) or his authorized representative as the case may be.


                                              (On non-judicial stamp paper of appropriate value)
 C. PROFORMA OF BANK GUARANTEE IN LIEU OF EARNEST MONEY DEPOSIT
To,
 DAMODAR VALLEY CORPORATION                                            B.G. No.:
 Mejia Thermal Power Station.                                          Date :
 P.O- M.T.P.S, Dist- Bankura
 Pin – 722183.
 In accordance with your Notice Inviting Tender for …………………… under your Notice No
 ……………………….dated …………………… M/s. …………………………….
 (Name & full address of the firm) (herein after called the Tenderer) hereby submit the Bank
 Guarantee)
 whereas to participate in the said tender for the following:
 . …………………………(Nature / items to be supplied as per NIT). It is a condition in the tender
 documents that the tenderer has to deposit Earnest Money amounting to Rs. …………… in
 respect to the tender, with Damodar Valley Corporation, Mejia Thermal Power Station, P.O.- M.T.P.S.
 Dist. – Bankura (herein after referred to as ‗Corporation‘) by a Bank Guarantee from a Nationalised
 Bank/ Scheduled Bank/ Foreign Bank irrevocable and operative till the validity of the offer (i.e.
 ………… days from the date of opening of tender) for the like amount which amount is likely to be
 forfeited on the happening of contingencies mentioned in the tender documents.
 And where as the tenderer desires to secure exemption from deposit of Earnest Money and has offered
 to furnish a Bank Guarantee for a sum of Rs. ………. to the Corporation as Earnest Money.
 Now, Therefore, we the ………………………… (Bank), a body corporate constituted under the
 Banking Companies (Acquisition and Transfer of Under taking) Act. 1996 and branch Office at
 ………………………. (Hereinafter referred as the Guarantor) do hereby undertake and agree to
 pay forthwith on demand in writing by the Corporation of the said guaranteed amount without any
 demur, reservation or recourse.
 We, the aforesaid Bank, further agree that the Corporation shall be the sole judge of and as to
 whether the tenderer has committed any breach or breaches of any of the terms costs, charges and
 expenses cause to or suffered by or that may be caused to or suffered by the Corporation on
 account thereof to the extent of the Earnest Money required to be deposited by tenderer in respect of
 the said Tender Document and the decision of the Corporation that the Tenderer has committed such
 breach or breaches and as to the amount of loss, damage, costs, charges and expanses caused to or
 suffered by or that may be caused to or suffered by the Corporation shall be final and binding to us.
 We, the said Bank, further agree that the Guarantee herein contained shall remain in full force and
 effect until it is released by the Corporation and it is further declared that it shall not be necessary for
 the Corporation to proceed against the tender before proceeding against the Bank and the
 Guarantee herein contained shall be invoked against the Bank, notwithstanding any security which the
 Corporation may have obtained or shall be obtained from the Tenderer at any time when
 proceedings are taken against the Bank for whatever amount that may be outstanding or
                                                 64
unrealised under the Guarantee.
The right of the Corporation to recover the said amount of Rs. …………………………(Rupees
…………………..) from us in manner aforesaid will not be precluded / affected, even if, disputes have
been raised by the said M/s. ………………………. (Tenderer) and / or dispute or disputes are
pending before any authority, officer, tribunal, arbitrator (s) etc.
Notwithstanding any thing stated above, our liability under this guarantee shall be restricted to
Rs.…………….(Rupees ……………………..) only and our guarantee shall remain in force upto
………………. and unless a demand or claim under the guarantee is made on us in writing within three
months after the aforesaid date i.e. on or before the ……………………. all your rights under the
guarantee shall be forfeited and we shall be relieved and discharged from all liability thereunder.
Date ………………………..
Place ………………………..                                                    (Signature) (Printed name)
In presence of.                                                      (designation) (Bank’s Common
                                                             Seal)
   WITNESESS (with full name, designation, address & Office seal, if any)
   1) ………………………………………………..
   2) ………………………………………………….



D.. INSTRUCTION FOR FURNISHING BANK GUARANTEE:

   1.   Bank Guarantee (B.G.) for advance payment, Mobilization Advance, B.G. for Security
       Deposit-cum-Performance Guarantee should be executed on the Non-Judicial Stamp paper of
       the applicable value and to be purchased in the name of the Bank.
   2. The Executor (Bank authorities) is required to mention the Power of Attorney No. & date
       of execution in his/her favour with authorization to sign the documents. The Power of
       Attorney is to be witnessed by two persons from Issuing Bank mentioning their full name
       and address with seal & No.
   3. The B.G. should be executed by a Nationalised Bank/Scheduled Commercial Bank, B.G.
       from co-operative Bank/Rural Banks are not acceptable.
   4. A Confirmation Letter of the concerned Bank must be furnished as a proof of genuineness of
       the Guarantee issued by them.
   5. Any B.G., if executed on Non-Judicial Stamp paper after 6 (six) months of the purchase of
       such stamp paper shall be treated as Non-valid.
   6. Each page of the B.G. must bear signature and seal of the Bank and B.G. Number.
   7. The contents of the B.G. shall be strictly as Proforma prescribed by D.V.C. in line with
       purchase Order/LOI/Work Order etc. and must contain all factual details.
   8. Any correction, deletion etc. in the B.G. should be authenticated by the Bank Officials
       signing the B.G.
   9. In case of extension of a Contract, the validity of the B.G. must be extended accordingly.
   10. B.G. must be furnished within the stipulated period as mentioned in purchase
       Order/L.O.I./Work Order etc.
   11. In the event of the value of Purchase Order/Contract is increased, the B.G. amount should
       also correspondingly increased.
   12. Issuing Bank/The Vender are requested to mention the Purchase Order reference along
       with the B.G. No. for making any future queries to D.V.C.
                                               65
E.    PROFORMA OF BANK GUARANTEE FOR                           SECURITY DEPOSIT-CUM-
     PERFORMANCE GUARNATEE

(on non-judicial stamp paper of appropriate value to be purchased in the name of executing Bank)

Ref…………………………                                                        Bank Guarantee
No…………………………                                                         Date…………………
                    PROFORMA OFB.G. FOR SECURITY DEPOSIT/100% PAYMEMT
1. KNOW ALL MEN THESE PRESENTS that in consideration of Damodar Valley Corporation,
a Corporation constituted and established under the Damodar Valley Corporation Act being Act
No. XIV of 1948 and having its Headquarters at D.V.C. Towers, VIP Road, Kolkata-700 054
(hereinafter       called      ―The      Corporation‖)       having      agreed       to       accept
from                                              (hereinafter called ―The Contractor‖), a bank
Guarantee for Rs.                               in lieu of Cash Security Deposit for the due
fulfillment by the Contractor of the terms & conditions of the *Work Order/Letter of Intent/Letter of
Acceptance No.                                         issued by the Corporation for (Name &
Description of the work)                                                    (hereinafter called ―the
said * Work Order/Letter of Intent/Letter of Acceptance‖) we                                    _
(hereinafter called ―the Guarantor‖) do hereby undertake to indemnity and keep indemnified the
Corporation         to       the      extent       of       Rs.                              (Rupees
                                             ) only against any loss or damage caused to or
suffered by the Corporation by reason of any breach by the Contractor of any of the terms &
conditions contained in the said * Work Order/Letter of Intent/Letter of Acceptance of which
breach the opinion of the Corporation shall be final and conclusive.
2.AND WE,                                                        DO HEREBY Guarantee and
undertake to pay forthwith on demand to the Corporation such sum not exceeding the said sum of
                                          (Rupees                              ) only as may be
specified in such demand, in the event of the Contractor failing or neglecting to execute fully
efficiently and satisfactorily the order for                         PLACED WITH IT (the work
tendered for by it) within the period stipulated in the said * Work Order/Letter of Intent/Letter of
Acceptance in accordance with terms & conditions contained or referred to in the said * Work
Order/Letter of Intent/Letter of Acceptance in the event of the Contractor refusing or neglecting to
maintain satisfactory operation of the equipment or work or to make good any defect therein or
otherwise to comply with and conform to the design, specification, terms & conditions contained or
referred to in the said * Work Order/Letter of Intent/Letter of Acceptance.

3. WE                                         further agree that the guarantee herein contained
shall remain in full force and effect during the period that would be taken for the performance of
the said order as laid down in said * Work Order/Letter of Intent/Letter of Acceptance including
the warranty obligations and that it shall continue to be enforceable till all the dues of the
Corporation under or by virtue of the said * Work Order/Letter of Intent/Letter of Acceptance
have been fully paid and its claims satisfied or discharged or till the Corporation or its authorised
representative certified that the terms & conditions of the said *Purchase Order/Letter of
Intent/Letter of Acceptance have been fully and properly carried out by the said contractor and
accordingly discharged the Guarantee.
4. WE                                            , the Guarantor undertake to extend the validity
of Bank Guarantee at the request of the Contractor for further period or periods from time to time
beyond its present validity period falling which we shall pay the Corporation the amount of
Guarantee.
5. The liability under this Guarantee is restricted to Rs.                                      _
                                             66
(Rupees                                                ) only and will expire on
and unless a claim in writing is presented to us or an action or suit to enforce the claim is filed
against us within 6 months from_                                              all your rights will be
forfeited and we shall be relieved of and discharged from all our liabilities (thereinafter).
6. The Guarantee herein contained shall not be determined or effected by liquidation or winding up
or insolvency or closure of the Contractor.
7. The executant has the power to issue this guarantee on behalf of the Guarantor and holds full
and valid power of Attorney granted in his favour by the Guarantor authorizing him to execute
Guarantee.
8. Notwithstanding anything contained herein above, our liability under this guarantee is restricted
to Rs.                                    (Rupees                                     _) only and our
guarantee shall remain in force upto                                                 and      unless  a
demand or claim under the guarantee is made on us in writing on or
before                                    all your rights under the guarantee shall be forfeited and we
shall be relieved and discharged from all liabilities thereunder.

We                                          Bank lastly undertake not to revoke this guarantee
during the currency except with the previous consent of the Corporation in writing. In witness whereof
we                                               _ have set and subscribed our had on this
                                   day of _                                  .

                                                     SIGNED, SEALED & DELIVERED


                                                          (Stamp of the Executant)

WITNESS
(1)                      _

(2)                      _
(Name & address in full with Rubber Stamp)
*Mention the relevant along with reference number.
Delete the terms which are not applicable. Each page of B.G. to be signed by the executant with
common Bank Stamp & date.



 FORMAT FOR AGREEMENTFOR ANNUALMAINTENANCECONTRACT

                               DAMODAR VALLEY CORPORATION

        AN AGREEMENT made and entered into this………………… day of ………………..
20…. between M/s DAMODAR VALLEY CORPORATION, Mejia Thermal Power Station, P.O.
MTPS, Dist. Bankura, Pin-722183 of the FIRST PART (which expression shall unless repugnant)
to the context be deemed to include its successors or assigns) and M/s…………….
of the SECONDPART (which expression shall repugnant to the context or meaning thereof be
deemed to include its successors, assigns.)

WHEREAS the aforesaid Party of the First Part invited tenders for the work of ……………(Name
of the work).
WHEREAS the tender of the Party of the Second Part was accepted and the work was awarded to the
Party

                                              67
of the Second Part by letter No…………AND WHEREAS the Party of the Second Part has
accepted the work order aforesaid in their letter no…………………Now the Agreement, witnessed
and it is hereby agreed by and between the parties as follows:
I. This Agreement is a Contract for services, consisting of Clauses 1 to 21. Inclusive of Annexure
hereto and NIT/LOA/LOI/ Work Order/ DVC‘s GCC/DVC‘s T1/T3 Forms shall form an inseparable
part of this Agreement.
II. In consideration of the payments to be made by the Party of the First Part to the Party of the
Second Part, the Party of the Second Part hereby covenants to carry out the work of
……………(Name of the work). The Party of the First Part hereby covenants to pay to the Party of
the Second Part in consideration of the aforesaid work, as provided in the Agreement.

1.Definitions:-
a) ―Commencement date‖ shall mean the date on which this agreement shall come into force. b)
―Payment‖ shall mean the amount payable as specified in Clause 10.
c) ―Premises‖ shall mean the Premises described in Schedule I.
d) ―Notice‖ shall mean Notice complied with the terms of Clause 16.
e) ―Services‖ shall mean the detailed scope of work as described Schedule-II.
f) ―Terms& Conditions‖ shall mean the Terms& Conditions which is in the works and procurement
manual
2006 and the terms and conditions mentioned herein after and is binding on the parties.
2.ObligationsofThePartyoftheSecondPart :-
a) The Party of the Second Part shall provide services as agreed upon and set out in Schedule II foe
the term of the Agreement or until it is terminated in accordance with the clauses of this Agreement.
b) The Party of the Second Part shall obtain at his own cost necessary permits or licenses etc. as
required
under the various clauses whether Central, State or Local from time to time for performing and
rendering services and the Company of the First Part does not take any liability whatsoever in this
regard.
(i) The Party of the Second Part has to obtain licenses/ permits etc. as applicable as mentioned
above
within a time period of fourteen days of signing this Agreement, failing which this Agreement shall
stand unilaterally terminated.
(ii) If the licenses/ permits etc. obtained by the Party of the Second Part are revoked and/ or suspended
and/ or cancelled by the authority concerned and/ or become invalid, the Agreement shall stand
unilaterally terminated.
c) The Party of the Second Part shall at its own cost comply with the provisions of all laws, rules,
orders and regulations and notifications whether Central or State or Local as applicable to him
or to this Agreement from time to time. These Acts/Rules include, without limitations, the following:
(i)      The Minimum Wages Act & Rules and Orders and Notifications issued there under from
time to time;
(ii)     The Contract Labour (Regulation & Abolition) Act, 1970 with Rules, Orders and
Notifications made there under;
(ii)     The Industrial Disputes Act, 1947 with Rules, Orders and Notifications issued there under
from time to time.
iv)      The Workmen‘s Compensation Act, 1923 with Rules, Orders and Notifications there under
issued from time to time.
(v)      The Payment of Gratuity Act, 1972 with Rules, Orders and Notifications issued there under
from time to time.




                                               68
(vi)     The Payment of Wages Act, 1936 with Rules, Orders and Notifications issued thereunder from
time to time;
(vii)    The Employees‘ Provident Fund and Miscellaneous Provisions Act, 1952 with Rules, Orders
and Notifications issued thereunder from time to time;

(viii) The Factories Act, 1948 with subsequent modifications & amendments from time to time.
(ix)     The Employees State Insurance Act, 1948 with Rules, Orders and Notifications issued
thereunder from time to time;
(x) All other Acts/Rules/Regulations, Bye-laws, Order, Notifications etc. already in vogue or may
be enacted in future by the legislation or present of future Applicable to the Party of the Second
Part from time to time for performing the aforesaid services.
The Party of the Second Part shall produce the requisite Compliance Report to the Party of the First
Part from time to time or as prescribed in the above mentioned laws.
d) The Party of the Second Part shall undertake the services as per details given in Schedule-II
attached to this Agreement. The Party of the Second Part shall also comply with other requirements, if
any, given to the Party of the Second Part in writing by the authorized representative of the Party of the
First Part to the Party of the Second Part or his authorized representative for performing the aforesaid
services.
e) The performance of service by the Party of the second Part, shall be of highest order/standing
and competence and as described in Schedule II.
f) The Party of the First Part may terminate this Agreement if the performance of services by the
Party of the Second Part is not up to specified standard and if the Party of the Second Part fails to
comply with the laws mentioned hereinbefore. The decision of the Party of the First Part in this respect
shall be absolute and final.
3. Deployment of Employees by the Party of the Second Part:
a) The Party of the First Part as and when required shall deploy his own employees for
rendering satisfactory services.
b) That there shall not subsist in any manner whatsoever any employer-employee relationship
between the Party of the First Part and the workmen/employees employed and as and when deployed
by the party of the Second Part or the Party of the Second Part himself. The party of the Second Part
shall be responsible for appointments, payment of wages, compliances with                 all     statutory
formalities     relating to      the workmen/employees employed and deployed by it.
c) The party of the Second Part shall conduct the work in the manner prescribed by the Party of the
First Part and in the event of any deviation there from, the party of the Second Part shall be responsible
to make good the same within………….(need based to be incorporated) from being intimated by the
Party of the First Part. The party of the Second Part shall supervise and control the manner and
mode of working and also the working of the workmen as and when deployed and there shall not be
any supervision and control by the Party of the First Part over the employees/ workmen employed by
the party of the Second Part.
d) The workmen/employees engaged and deployed by the Party of the Second Part should also
observe discipline at all times and maintain decency and decorum during the course of their
employment and the party of the Second Part shall be fully responsible for the said
workmen/employees.
e) The payment of wages, ESI, PF, bonuses and other benefits to the employees of the Party of the
Second Part shall be the exclusive responsibility of the Party of the Second Part and the employees
shall have no claim whatsoever on the Party of the First Part.
f) The party of the Second Part as and when deploy workmen the Party of the Second Part shall
maintain a Register of persons employed under him and issue Employment Cards to each worker
within three days of employment and a copy of the same to be submitted with the Party of the First Part
within seven days there from.
g) The party of the Second Part as and when employed workmen shall also maintain al statutory
register viz register of wages, master roll register of deductions, register of overtime, register of

                                                69
fines, register of
advances, wage slip and any other register required to be maintained under the statue and shall
give inspection of the same to the Party of the First Part on demand.
h) The party of the Second Part as and when employed workmen shall make the Payment of wages
and other conditions of employment in respect of workmen employed and deployed by the party of
the Second Part in conformity with statutory requirements and the Party of the First Part shall be fully
protected in all respect in this regard.
i) The party of the Second Part as and when employed workmen shall send half-yearly returns to
the Licensing Officer not later than thirty days from the closing of the half year.
j) The party of the Second Part as and when employed workmen shall be solely and wholly responsible
for the safety& security of the employees employed by the party of the Second Part. The Party of the
Second Part shall also make adequate provision of Insurance for the said employees at their own cost to
cover them against the risk of accident and/ or death in harness. In the event of any accident and/ or
death in harness, the Party of the Second Part shall pay proper compensation as per The Workmen‘s
Compensation Act 1923. The Party of the First Part will have no responsibility whatsoever, and will be
kept fully indemnified and harmless.
k) The party of the Second Part shall also be responsible for the property of the Party of the First Part
and in case of any damage whatsoever, shall immediately repair/ replace the damaged property at their
own cost and arrangement failing which Party of the First Part shall have right to recover the cost
from the Party of the Second Part.
l) The party of the Second Part as and when employed workmen in case of any act of indiscipline
on the part of workmen/employees of the Party of the Second Part, the Party of the Second Part shall
take suitable action against the delinquent employee with proper intimation to the appropriate
authority of the Party of the First Part.
m) The workmen/employees of the Party of the Second Part as and when employed by the Party of the
Second Part including himself shall have no right and/ or any right to access whatsoever to claim as an
employment with the company of the Party of the First Part.
n) In case the workmen/employees engaged by the Party of the Second Part have any grievance they
shall take it up with the Party of the Second Part without causing any disturbance in the premises of
the Party of the First Part in any manner. Under no circumstances, shall the workmen engaged by
the Party of the Second Part initiate or take part in any agitation or demonstration against the Party of
the First Part.
o) If the process forming part of this Agreement is abolished by any provision of law or under Sec.10
of the Contract Labour (R&A) Act.1970 the workmen/employees of the Party of the Second Part shall
not become the employees of the Principal Employer i.e. Party of the First Part.
p) During the terms of this Agreement the Party of the Second Part shall be independent employer
and not in any manner has any employer-employee relationship with the Party of the First Part
and that of Principal to Principal.

4. OBLIGATIONSOFTHEPARTYOFTHEFIRSTPART:
a) The Party of the First Part shall permit the duly authorized workmen of the Party of the Second
Part at all convenient times to enter into and upon the premises only on presentation of the approved
gate passes as mentioned below, for the purpose of carrying out their work.
b) The Party of the First Part shall make to the Party of the Second Part all payments. As per Clause
10, throughout the term of this Agreement or so long the Agreement subsists or the Party of the
Second Part performs its obligation under this Agreement.

5. COMPLETION:
The work shall be deemed to have been completed on expiry of the period of this Agreement and
release of final payment to the Party of the Second Part by the Party of the First Part.

6. PENALTY:
In terms of the General Terms of the Contract clause………………(as applicable).
                                               70
7. DELEGATION; (As applicable).

8. INDEMNITY :
Party of the Second Part covenants and agrees to fully protect and hold the Party of the First Par,t its
employees and agent harmless against any claim, demand, actions, suits, proceedings, judgment,
liabilities,costs, expenses, damages or losses.

9. BILLS :
The Party of the First Part reserves the right to require the Party of the Second Part to submit
documentary evidence in support of the bills, including details of the work done, duly supported by
the Certificate from the representative of the Party of the First Part in the first week of the following
month. Party of the First Part also reserves the right to make at the earliest opportunity any
adjustment which may be pending from the previous months.

10. PAYMENT:
As per relevant clauses of work order.

11. DURATIONOFTHEAGREEMENT:
a) This Agreement shall be effective from the date of commencement of the work as per the Work
Order.
b) The Agreement shall be deemed to expire on completion of the work and on compliance of all
statutory obligations by the Party of the Second Part as provided in for in the agreement, unless
extended by both the parties in writing.

12. CANCELLATION/TERMINATION:
As per the Clause 28 of the General Conditions of the Contract.

13. CONSEQUENCESOFTERMINATION:
a) In the event of this Agreement being determined whether by efflux of time or notice or
breach or otherwise, the Party of the Second Part shall forthwith returns to the Party of the First Part
all the papers, books or other articles belonging to the Party of the First Part.
b) In the event of termination of this Agreement, the rights and obligations of the parties thereto
shall be settled by mutual discussion. The financial settlement shall take into consideration not only
the expenditure incurred but also the expenditure committed by the Party of the First Part.
c) In the event of termination of this Agreement, the Party of the Second Part shall be liable to
refund the amount, if any, paid in advance by the Party of the First Part.
d) Either Party shall be entitled to exercise any one or more of the rights and remedies given to it
under the terms of this Agreement and the determination of this Agreement shall not affect or
prejudice such rights and remedies and each party shall remain liable to perform all outstanding
liabilities under this Agreement notwithstanding that the other may have exercised any or more of the
rights and remedies available against each other.

14. FORCEMAJEURE:
As per the Clause 27 of the General Conditions of the Contract.

15. CONFIDENTIALITY:
During the tenure of the Agreement and 7 years thereafter the Party of the Second Part undertake on
their behalf and on the behalf of their subcontractors/ employees/ representatives/ associates etc to
maintain strict
confidentiality and prevent disclosure thereof, of all the information and data exchanged/
generated
pertaining to the work under this Agreement for any purpose other than in accordance with the
                                                71
Agreement.

16. Notice:
Any notice to be served by either party on the other shall be sent by Registered Post and shall be
deemed to have been received by the addresses within 07 days of posting.

17. Settlement ofdisputes&Arbitration :

a) Any dispute(s) or difference(s) arising out of or in connection with the contract shall, to the
extent possible, be settled amicably between the Party of the First Part & Party of the Second Part.

b) In the event of any dispute or difference whatsoever arising under this Agreement or in
connection therewith including any question relating to existence, meaning and interpretation of the
terms of the Agreement or any alleged breach thereof, the same shall be referred to the Secretary, CEO
of Damodar Valley Corporation, Kolkata-54 or to a person nominated by him for arbitration. The
Arbitration shall be
conducted in accordance with the provisions of Arbitration and Conciliation Act, 1996 or any other
latest enactment and the decision/ judgment of Arbitrator/Arbitrators shall be final and binding
on both the parties. The venue of arbitration shall be at Kolkata.

However, in case the Party of the Second Part is a Central Public Sector Enterprise/ Govt. Department,
the dispute arising between the Party of the First Part & Party of the Second Part shall be settled
through Permanent Arbitration Machinery (PAM) of the Department of Public Enterprise, Govt. of
India as per prevailing rules.

c) All suits arising out of NIT, subsequent work order and agreement, if any, are subject jurisdiction of
Court in the City of Kolkata only and no other Court, when resolution/settlement through mutual
discussion and arbitration fails.

18.AMENDMENTSOFTHEAGREEMENT:
No amendment or modification of this Agreement shall be valid unless the same is made in writing by
both parties or their authorized representative and specifically stating the same to be an
amendment of this
Agreement. The modifications/ changes shall be effective from the date on which they are made/
executed, unless otherwise agreed to.

19. MISCELLANEOUS
a) The party of the second part as and when required shall deploy as any in number expert personnel
    and/ or skilled / semi-skilled/ unskilled workmen with adequate qualification and experience having
    appropriate level of acumen to carry out the job with entire satisfaction of the party of the First Part.

b) No child labour shall be engaged by the contractor as per statutory rules of the Govt. of
India.

c) The party of the second part as an when employed their employees engaged in the job shall follow
   all safety rules at the time of execution of work. It shall be the responsibility of the contractor to
   supply all safety equipment necessary to their O& M personnel without any extra cost to DVC. All
   statutory rules
   & regulations shall have to be followed by the contractor during employment/ retrenchment
   of his workers/ employees.

d)    As the plant site is a protected area, necessary gate passes with photograph of every worker/
     employee of the party of the second part shall be arranged by the Party of the Second art with

                                                 72
     proper intimation to the Part of the First part. The expenditure of issuing the gate passes to the
     workmen shall be borne by the Party of the Second Part. The gate passes shall be duly signed by
     the Party of the second part with official seal in addition to the signature of the holder (employee of
     the party of the Second Part) and the authoised officer of the Party of the First Part.

e) In case of sub-letting the contract, the sub-contractor shall be engaged with prior approval of the
   Party of the First Part and at full risk of the Party of the Second Part.

f) The party of the Second Part shall not pay less than prescribed minimum wages to the
   workmen engaged by him under minimum Wages Act,1948 and the Govt. rules made there under
   and subject to revision from time to time. The monthly payment is to be made on the 7th day of the
     successive month. The Party of the Second Part shall intimate the disbursement of payment
     to the authorized representative of Personnel Dept. of the Party of the First Part on 7th -10th day
     of the successive month.

g) Legal suits arising out of the Agreement, if any, are subject to the jurisdiction in the Court of the
city of Kolkata and no other Court elsewhere.

h) The workers/ employees engaged by the party of the Second Part should not be under the influence
    or addiction of drug/ liquor while on duty. It should be obligatory on the part of the Party of the
    Second Part to remove any such person from the job whose action or conduct in the opinion of
    management of the Party of the First part is detrimental to its interest.


i)   If the Party of the Second Part desires to execute a part of Scope of maintenance contract
     which are very specialized in nature by engaging a specialized competent group they will have to
     obtain approval from the Party of the First Part, furnishing all credential and requirement of the
     manpower strength before engagement. However, the Party of the First Part reserves the right to
     discontinue the same at its discretion.

j)   The Party of the Second Part shall fully cooperate with other contractors employed by the Party
     of the First Part for associated plant and subsidiary as well as other similar activities and shall carry
     out all reasonable directions of the designated Chief Engineer (O&M) of the Party of the First Part
     or his authorized representative as the case may be.

20. CHANGEOFADDRESS:
Each Party shall give notice to the other of any change or acquisition of any address or telephone
number or FAX or similar number at the earliest possible opportunity but in any even within 48 hours
of such change of acquisition.
IN WITNESS WHEREOF the parties hereto put their signatures on the date as written above. SIGNED,
SEALED AND DELIVERED

Party of the Second Part.                                     Party of the First Part in

the presence of:-                                             in the presence of:-

1.                                                                   1.
2.                                                                     2.
       SCHEDULE :- (I)
              Premises at which the Services are to be required.


SCHEDULE :- (II)
                                                  73
List of services to be provided at all the premises listed in Schedule-I.
    F. Techno-Commercial Deviation Schedule.
   Bidder shall agree to all the techno-commercial terms and conditions mentioned. However,
   deviation, if any, should be stated as per the following schedule and to be submitted alongwith the
   techno-commercial bid failing which it will be presumed that all terms and conditions are
   acceptable to them. Deviations taken elsewhere and not brought out in the following deviation
   schedule, the same will not be accepted. The owner reserves the right to reject the offer on account
   of such deviation if the bidder, on advice of owner, dose not withdraw the deviations.
   Name of the Project………………………………………………
   NIT. No.
   (Bidder‘s Name & Address) : ……………………………………


   To,
   The Superintending Engineer (Tech),
   Damodar Valley Corporation,
   Mejia Thermal Power Station,
   Po. MTPS, Dist. Bankura. Dear
   Sir,
        Following are the deviation proposed by us relating to techno-commercial terms and
   conditions. We confirm that we shall withdraw the deviations proposed by us at the cost of
   withdrawal indicated in the price bid falling, which our bid may be rejected and Bid Security
   forfeited.
    Sl. No.    Clause No. of Terms& conditions                              Deviation




Date: …………………..                (Signature) …………………………………….
Place: ………………….                 (Name) ……………………………………..


                                (Designation) ………………………………


                                (Common Seal) ……………………………
Note: If there are no deviations, this deviation schedule shall be submitted along with the techno-
commercial bid duly signed and stamped after stating ―NIL DEVIATIONS.‖



                                                 74
G. Cost of withdrawal of deviations
Mejia Thermal Power Station.
Your NIT. No.
(Bidder‘s Name & Address) ………………………………………
To,
The Superintending Engineer (Tech),
Damodar Valley Corporation,
Mejia Thermal Power Station,
Po. MTPS, Dist. Bankura.
Dear Sir,
Following are the deviations as proposed by us relating to techno-commercial terms and
conditions. We are also furnishing below the cost of withdrawal for the deviations proposed by us.
We confirm that we shall withdraw the deviations proposed by us at the cost of withdrawal
indicated in the attachment falling, which our bid may be rejected and Bid Security forfeited.


      Sl. No.              Clause No.                Deviation         Cost of withdrawal in Rs.




Date: …………………..              (Signature) …………………………………….


Place: ………………….                (Name) ……………………………………..


                               (Designation) ………………………………


                               (Common Seal) ……………………………


Note: Bidders may note that bids containing deviations without the cost of withdrawal price shall
be considered as unresponsive offer and will be out rightly rejected. This schedule indicating the
cost of withdrawal price for such deviations should be submitted alongwith the price bid only and
                                             75
     will be taken into consideration for the purpose of bid evaluations.



. FORMAT FOR PRICE – BID

Notice inviting tender No……………………………………………………………

Sl.       Scope of work                                           Monthly rate     Amount for 12 months (Rs)
No.                                                                  (Rs)

1.        AMC jobs of Mechanical system as per scope of
          work

2.        AMC jobs of Electrical system as per scope of
          work

3.        Operational jobs

4.        Upkeepment/ housekeeping of milling plant

(I)     Total =                                                   Rs.
        Taxes and duties=
        Total amount including taxes and duties                  Rs. ( both in figure and words )

     II.For scope of work as detailed under Part – B

Sl       Description of job                                                               Annual    Total
No.                                                                                       Freq.     Amount
                                                                                                    (Rs) for
                                                                                                    12 months
                                                                                                    (Rs)
1.       Screw Conveyor
         a) Fitting of ribbons, collars, chains, hooks etc. on a Screw Conveyor Body at   18
         maintenance bay to make a screw conveyor assembly ready for fitting in a
         mill
           b) Replacement of old/ damaged screw conveyor assembly by a new one            18
         (lying ready at maintenance bay/ store)
           c) Fitting of ribbons, collars etc. on screw conveyor body after pulling the   8
         damaged screw conveyor inside mill
2.        Ball Screening
         (i) For BBD 4760                                                                 20
         (ii) For BBD 4772                                                                6
3.        Mill Liner Replacement/ Reversal with Ball Screening (Mn-Steel Liners &
         Forged Steel Balls) or (High- Chrome Liners & Ball)
          a) All 520 Nos. Liners of BBD 4760                                              2
          b) Only 480 Liners of BBD 4760                                                  1
         c) All 600 Liners of BBD 4772                                                    2
         d) Only 560 Liners                                                               2
4         Replacement of main Reducer G/B of Coal Mill                                    4



                                                   76
5    Main Reducer Gear Box‘s internals replacement in situ or at maintenance bay.
       a) Replacement/ Servicing of Input stage pinion/ bearings etc.
     b) Replacement/ Servicing of Intermediate stage wheel, gear/ bearings etc.      6
      c) Replacement/ Servicing of Output stage wheel, gear/ bearings etc.           6
                                                                                     6

6    Replacement of Aux. Gear-box                                                    3
7     Auxiliary Reducer Gear Box‘s internals replacement/ servicing in situ or at
     maintenance bay.
     a) Replacement/ servicing of Input stage pinion/ bearings etc.                  3
     b) Replacement/ Servicing of Intermediate stage wheel, gear/ bearings etc.      3
     c) Replacement/ Servicing of Output stage wheel/ bearings etc.                  3

8    Replacement of Gear Coupling of Main Drive System.                              3
9    Replacement of coupling between main motor and main reducer or                  5
     Replacement / Inspection of DE side Bearings of Main Motor or BOTH of the
     above jobs at same time.
10   Replacement of coupling between main motor and aux. reducer or                  8
     Replacement / Inspection of NDE side Bearings of Main Motor or BOTH of
     the above jobs at same time.
11   a) Replacement of P.A. fan Impeller or shaft including bearings if required     2
     b) Replacement of PA Fan Impeller wear plate (1 set= 10 Nos.)                   12
     c) PA Fan Casing Top Half replacement                                           9
     d) PA Fan Casing Top Half refurbishment at maintenance bay.                     9
     e) Replacement of PA Fan Bearing(DE) or Coupling or Replacement/                12
     Checking of DE side bearing of PA Fan Motor or all the above three jobs
     done at a time
     f) In-situ repair of PA Fan casing by replacing the rib and/ or replacing the   12
     casing liners
12   Replacement of Girth Gear Pinion Support Bearing or Housing(DE) or both         2

13   Replacement of Girth Gear Pinion Support Bearing or Housing(NDE) or both        2
14   Replacement of Girth gear                                                       1
15   Replacement of Girth gear pinion.                                               1
16    a) Replacement of Trunnion Tube or its Total Liner or both                     3
      b) Replacement of Trunnion Tube Liner covering one-third of total area of a
     liner if done at a time other than during Screw Conveyor Replacement.           2
     c) Replacement of Trunnion Tube Liner covering one-third of total area of a
     liner if done during Screw Conveyor Replacement.
                                                                                     12
17   Replacement/Repairing/ Inspection of Bearing Shell Bronze                       15
18   Replacement of Trunion—each                                                     1




                                              77
19    Replacement/ Adjustment of Deflector Plates(20 Nos.) to be done at a time        18     *
      other than replacement of Inlet side liner with/without Boss—each side
       Or
      Replacement of Inlet side liner without boss (16 Nos.) and Inlet side liner
      with boss (4 Nos.)
       Or
      Both
      Note:- No charge will be paid against this job if it is done at a time of
      chargeable replacement of Inlet side liner with/ without Boss

20    Replacement of Coal Feeder Belt.                                                 24
21    Replacement of Main Gear Box of Coal Feeder OR Clean Out Conveyor                24
      Gear Box
22    Servicing of Coal Feeder‘s all Idlers/ Pulleys done at a time other than belt    24
      replacement.
23    Replacement of Classifier Outlet Gate                                            8

24    Servicing of Classifier Outlet Gate OR Feeder Inlet Gate —each                   72

25    Replacement of RC Feeder Gate or its Seal                                        12
26    Replacement of Coal Feeder Inlet Gate/ Bunker Outlet Gate                        2
27    Replacement of Expansion Joints ( Any Size)                                      18

28    Replacement of Coal Pipe Bends                                                   24

29    Replacement of Coal Pipe—each meter                                              100

30     Replacement of Coal Mill Motor including transportation from site to any        2
      place inside MTPS.
31.   Replacement of PA fan Motor including transportation from site to any place      2
      inside MTPS.

32.   Cable collection from main store/ site store, Cable laying inc luding complete   5
      terminations, carrying out HI-POT test of the new cables & free run of motor
33.   Threading out of rotor of HT motor & necessary welding to build up the           5
      material on rotor and assistance in getting it machined in the Machine shop
      and then box up the motor.
34    Balancing/ Vibration Analysis of PA / SA Fans                                    18

35    Coal Pipe Cleaning                                                               50
      (No charge shall be payable if the same coal pipe gets chocked within seven
      days of the job completion.)
36    Ball Feeding                                                                     1000   *1
      (No charge for ball feeding shall be payable if done during Ball Screening or
      Liner replacement).
      Note:- Ball feeding have to be done from 8AM to 8PM for safety reasons and
      as per schedule.

                                                78
37     Seal Air Fans Bearings/ impeller/shaft checking/ Replacement                       12

38     Replacement of transition Pieces OR their corners above/ below Classifier          100
       Outlet Gates
39     Replacement of PF Outlet Box (above classifier and below Cl. OL Gate)              10


40     Replacement of Transition Pieces below Mixing Box                                  10


41     Replacement of Raw Coal Chute/ Coal Feed Pipe/ Replacement of transition           10
       plate below RC gate.
42     China hut replacement                                                              6
43     Cleaning of mill area and feeder floor area for excessive coal/ coal dust          200          *2
       accumulation due to leakages from milling system or piling up of mill or
       spillage of coal from coal bunkers or belt or for other abnormal reasons
       Note:- This includes manual cleaning of coal dust/ raw coal through chutes on
       trolley and disposal at specified location.

44     Complete jacketing of mixing box/ mixing box reducer                               12

45     Overhauling of each Coal Mill and it‘s aux. equipment along with PA Fans,          10           **
       SA Fans, Coal Feeders, Ducts & Dampers etc. as per Overhauling Job list
       prepared at that instance when unit is under Shutdown condition
46.    Cleaning of Ducts of Purge Air System & Servicing of its dampers and               1
       system

47     Adjustment of Mill shell flange gap of Coal Mill                                   1

48     A. Painting of different equipments and structure                                  5000sqm

       B. Painting of water and oil pipelines                                             2000 M

       C. writing details of equipments                                                   60000
                                                                                          letters
49.    Replacement and repairing of hot air boxes, PA inlet duct expansion joints,        2
       Repairing of Aerofoil and damper blades with other associated work for mill
       re-conditioning after any unforeseen damage like explosion in mills etc.
50.    Erection of platforms near PF pipes above classifier for approach to attend        3
       coal dust leakage for each unit
51     Cleaning of hot air box and draining of coal slurry from inside of mill.           1
52.    Repairing of aerofoil and its change over from other mill.                         1
(II) Total =                                                                Rs.
  Taxes and duties =
Total amount including taxes and duties                               Rs.            ( both in figure and words )




                                                79
* No charge will be paid against this job if it is done at a time of chargeable replacement of Inlet side liner
with/ without Boss
*1 Ball feeding have to be done from 8AM to 8PM for safety reasons and as per schedule.
*2 This includes manual cleaning of coal dust/ raw coal through chutes on trolley and disposal
at specified location.
**Overhauling charges are to meet up the time deadlines of OH by employing general shift work force in
two shifts and to meet other incidental expenditure during OH. This charge is in addition to charges that
may incur due to other optional jobs mentioned above and shall be carried out during O/H.



   Total (I+ II ) =                                                                   Rs.
    Taxes and duties =                                                                Rs.
III. Total amount including taxes and duties (I+ II ) ( in figure ) =                 Rs.
III. Total amount including taxes and duties (I+ II ) ( in words )=                   Rs.




                                                           Signature of the Bidder with Seal.
                                                          Name :
                                                          Designation :



       Date:                                               Place:

Note:- Tender Evaluation method: Bids will be evaluated on the basis of Total amount arrived under
the heading ―III. Total Amount including taxes and duties‖.




 Superintending Engineer (Tech.),MTPS(O&M), DVC.
 For & on behalf of Damodar valley Corporation.




                                                  80

				
DOCUMENT INFO
Shared By:
Categories:
Tags:
Stats:
views:41
posted:3/21/2011
language:English
pages:80