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					ADDENDUM NUMBER 4

 The Security Institute
 Western Iowa Tech Community College
 Sioux City, Iowa

NEUMANN MONSON WICTOR ARCHITECTS
701 DOUGLAS STREET
SIOUX CITY, IOWA 51101-1021
(712) 255-3610

Date Issued: June 20, 2007
Bid Date: June 27, 2007

TO ALL BID DOCUMENT HOLDERS OF RECORD:

Acknowledge receipt of this Addendum by inserting its number in the space provided on BID
FORM. Failure to do so could subject bidder to disqualification. This Addendum forms a part of
the Bidding Documents and modifies them as follows:

*****************************************************************************
OMISSION

ADDENDUM NO. 2

1.     Sketch M1 was omitted from Addendum #2. Add attached sketch M7.2-1 dated 6/11/07
       to Addendum #2.

PROJECT MANUAL – VOLUME 1 & 2

1.     BID FORM

       A.     Delete BID FORM, use revised BID FORM, attached to this Addendum. Change is
              adding Alternate Bid No. TC1 – TEMPERATURE CONTROL FOR
              REDUNDANT HVAC EQUIP under BASE BID 4 – TEMPERATURE
              CONTROL.

2.     SUPPLEMENTARY CONDITIONS

       A.     Refer to 11.4 PROPERTY INSURANCE (Builder's Risk), delete Paragraphs 11.4.1,
              11.4.2 and 11.4.3. Property Insurance (Builder's Risk) is to be provided by the
              Owner. Supplementary Conditions regarding 11.4 are to be amended as follows:

              11.4.1 Modify the first sentence of Subparagraph 11.4.1 as follows:

                     1. Delete "Unless otherwise provided".

              11.4.1.3 Modify to read as follows: "In the event of a paid claim, the claimant
                       shall be responsible for the deductible in the amount of $5,000.00 per
                       occurance".



                                    0623/ADDENDUM 4-1
          11.4.9 In this Paragraph, lines 4 and 5, delete the following text: "or in
                 accordance with an arbitration award in which case the procedure shall
                 be as provided in Section 4.6".

3.   SECTION 01 11 00 – SUMMARY OF WORK

     A.   Under 1.3 CONTRACTS, Item E, General Construction Work to consist of:
          add "Division 33 – Utilities"

     B.   Refer to 1.3 CONTRACTS, Item H, Temperature Control Work to also include
          SECTION 23 09 02 – Variable Frequency Drives.

4.   SECTION 01 23 00 – ALTERNATES

     A.   Add the following Alternate to this Section:

          R. TEMPERATURE CONTROL ALTERNATE BID NO. TC1-TEMPERATURE
             CONTROL FOR REDUNDANT HVAC EQUIP

                 1. State the amount to be added to BASE BID 4 to provide temperature
                    controls for the redundant HVAC units (AHU1B, CH1B and DC1B).

                 2. Pertinent work specified elsewhere:

                     a. Refer to applicable work on the drawings.

                     b. SECTION 23 09 00: Automatic Temperature Control

                     c. SECTION 23 09 02: Variable Frequency Drives

5.   SECTION 03 30 00 – CAST-IN-PLACE CONCRETE

     A.   Refer to 2.3 CONCRETE MIX(ES), all concrete shall be 4000 psi to conform to the
          GENERAL NOTES on Sheet S3.1.

6.   SECTION 09 69 00 – ACCESS FLOORING

     A.   Clarification: Panel finish in CommEd Lab 122, Communications 123, Equip 124
          and Elec Equip 125 shall consist of the CCN 1250 panel finished with a .125"
          laminate on the solid panels, and a .060" laminate on the PERF 1250 Air Flow
          Panels. Tile shall be factory laminated with integral trim edge. Color to be
          selected from manufacturer's standard. Note that panels located in E.O.C. 134
          and Passage 134A are to remain as originally specified with bare painted finish
          on steel to accept carpet tile provided under SECTION 09 68 00.

     B.   Clarification: Refer to 2.4 ACCESSORIES, Item A, the PVD box is to be High
          Capacity.

7.   SECTION 23 09 00 - AUTOMATIC TEMPERATURE CONTROL

     A.   Refer to Section 1.5, Paragraph A: Delete the last sentence which reads
          "Temperature control bid price shall include sales tax."       Refer to the
          Supplementary Conditions, Item 3.6 for sales tax requirements.



                                 0623/ADDENDUM 4-2
8.    SECTION 23 62 11 - AIR COOLED CONDENSING UNIT

      A.     Add Section 2.9 as Follows:

             2.9     HOT GAS BYPASS

                     A.      Provide hot gas bypass on the lead circuit.

                     B.      Provide complete with integral modulating controls as needed to
                             provide stable operation during low load conditions.

9.    SECTION 23 65 12 - DRY COOLER

      A.     Refer to Section 2.5, add Paragraph G as Follows:

             G.      Electrical: The unit shall have a single point power connection in a
                     weather tight enclosure. Provide transformer as needed for control
                     power.

10.   SECTION 27 15 00 - DATA, VOICE AND BROADBAND SYSTEM
      INFRASTRUCTURE

      A.     Refer to Section 2.7, Paragraph D, Item 7: For B-Line racks in 125, change
             the catalog number for the plug strips to SB30061020LFB. This is the surge
             protected version of the item that was called out in the spec.

      B.     Refer to Section 2.8, Paragraph D, Item 2: Add to paragraph – NCC shall
             provide all cross connects in Rack 19 required to terminate down the
             incoming trunk cable. Cross connect can be 110 style blocks on the back side
             for trunk termination, but must be CAT5e jack style on the cross connect front
             side.

DRAWINGS

Sheet 2.1

A.    Detail 4/5.5 at Stair ‘A’ should read 20/3.1.

Sheet 2.2

A.    Detail 6/2.2 at window wall should read 8/5.4.

B.    Detail 1/1.2 at east catwalk should read 1/S2.6.

Sheet 3.3

A.    Delete keynote 865.

Sheet 5.2, 5.3 and 5.4

A.    Delete all references of Keynote 530 in Stair "A" regarding pipe rail. Handrail in
      Stair "A" is to be Nylon Steel-Core Handrail as per SECTION 05 52 16.


                                     0623/ADDENDUM 4-3
Sheet 5.2

A.    Detail 5/5.4 at top of stairs on Section A should read 3/5.4.

B.    Detail 17/3.1 in E.O.C. 134 should read 18/3.1.

Sheet 5.3

A.    Detail 3/6.1 on Section A at Classroom 212 should read 7/6.1.

B.    Detail 4/5.5 on Section B at Stair A should read 20/3.1.

C.    Detail 5/5.4 on Section B at Stair A should read 3/5.4.

D.    Delete crash rail detail reference 9/8.1 at Corridor 118 on Section A.

Sheet 5.4

A.    Detail 5/7.1 on detail 11 should read 12/5.4.

Sheet 5.5

A.    Detail 7/5.4 on Section at floor of Mechanical 229 should read 7/6.1.

Sheet 9.1

A.    Delete keynote 520 this sheet.

Sheet S2.7

A.    Revise generator flue support detail 2/S2.7 as shown on attached drawing SK-1.

Sheet M5.0

A.    Refer to Plumbing Fixture Schedule: Add EEW-1, Emergency Eye Wash. Unit shall be
      Bradley #s19-220BBF, stainless steel bowl with a mounting height of 36” to nozzle.

B.    Domestic Circulation Pump Schedule was omitted. Pump shall be Grundfos #UP15-
      10B5, 1/2”, 1 gpm flow, 5” head, 1/25 H.P., 115 volt, single phase.

SHEET M9.1

A.    Refer to the Air Cooled Condensing Unit Schedule: The hot gas bypass pipe shall be
      7/8" O.D. or as recommended by the unit manufacturer.

B.    Refer to the Grille and Diffuser Schedule: S17 and S18 shall be provided with a
      distributer basket with damper.




                                    0623/ADDENDUM 4-4
Sheet E1.1

A.     Refer to Detail 1/E1.1 - Dimming System for the Security Institute

       1.     To allow independent lighting control for Comm Lab 122, provide an additional
              D4200 master control station and locate in place of where CS2 is shown. Move
              the 10 button control station shown as CS2 in Room 122 to door near the east
              exit. Label this new location as CS4
       2.     Relocate the D4200 master control station CS1 to the east wall of the cable tray
              closet near the door into Break 129.
       3.     Where CS1 was shown, provide a D42P8-00W control station. This provides 8
              presets, MAX and OFF control. Label as CS5.
       4.     Change CS3 to a D42P1-M0W control station. This provides Preset 1, MAX and
              OFF control. Label as CS5.

B.     Refer to Detail 2/E1.1 - Dimming System for EOC 134

       1.     Change CS3 to a D42P8-00W control station. This provides 8 presets, MAX and
              OFF control.

Sheet E3.2

A.     Provide two 2” conduit stubs from above the ceiling in Room 208 and route to the lower
       level via the chase in the southwest corner of room. Conduit shall terminate below the
       floor in WCICC Network Room 124. Conduit stubs are for WCICC data outlet wiring in
       classrooms on the east side to shorten the CAT5E cable route. See Keyed note #26.

Sheet E5.4

A.     Refer to Panel Schedule EG1-BSMT: Change circuits 29, 31, 33 and 35 to standard 20-
       1 circuit breakers. These circuits will become spare. Circuits for hand dryers on GFCI
       circuit breakers will be moved to panel EM-MECH2 in order to maintain a 42K AIC rating
       on EG1-BSMT.

B.     Refer to Panel Schedule EM-MECH2: Change circuits 29, 31, 33 and 35 to GFCI circuit
       breakers to feed HD1, HD2, HD3 and HD4 respectively. Update panel schedules.
       Provide #10 AWG wiring for home runs from hand dryers to EM-MECH2.

C.     Refer to Panel Schedule EM-MECH2: Circuits 37, 39, 41 and 32, 34, 36, 38 and 42
       shall be SPACE and not spare as indicated.

PRODUCT APPROVALS

The following materials or equipment furnished by the manufacturer listed may be substituted
as equivalent, provided that each item and piece of equipment conforms to the design, quality
and requirements of the specifications and drawings.




                                    0623/ADDENDUM 4-5
SECTION             PRODUCT                           MANUFACTURER

03 15 13            Waterstops                        Lockstop by
                                                      Greenstreak

04 20 00            Thru-Wall Flashing                CCW 705 TWF by Carlisle

06 41 16            Casework                          TBG
                                                      Fine Fix Woodworking

07 13 26            Self-Adhered Sheet Waterproofing CCW 860/861 by Carlisle

07 54 23            TPO Membrane                      Stevens

08 70 00            Hinges                            McKinney

08 70 00            Flatgoods, Stops, Door Bolts      Trimco

09 84 13            Acoustical Wall Panels            Acentus, Inc.

10 21 13            Toilet Partitions                 Hadrian
                    Toilet Partitions                 Accurate

10 51 13            Metal Lockers                     Republic

22 05 53/23 05 53   Pipe/Duct Insulation              Brimar

22 14 29            Sump Pumps                        Stancor

22 34 00            Water Heaters & Storage Tanks     Rheem/Ruud

22 40 00            Faucets                           Speakman
                    Eye Wash                          Speakman
                    Wash Fountains                    Willoughby Industries
                    Showers                           Willoughby Industries

22 40 00/23 05 18   Relief Valve                      Conbraco

23 05 18            Pressure Reducing Valve           Conbraco

23 31 10            Round & Oval Spiral Seam          Eastern Sheet Metal
                    Ductwork

23 33 00            Fire/Smoke Dampers                Nailor Industries
                    Control Dampers                   Louvers & Dampers

23 36 00            VAV Boxes                         Tuttle & Bailey

23 37 24            Louvers                           Louvers & Dampers
                                                      United Enertech

23 65 12            Dry Cooler                        McQuay



                           0623/ADDENDUM 4-6
23 72 10   Air to Air Heat Exchanger       ConsERV
                                           (4500 D91-FSE)
                                           Innovent
                                           RenewAire

23 81 23   Computer Room Air Conditioner   Data Air

23 82 13   Radiant Ceiling Systems         Airtite

23 82 33   Fin Tube                        Rittling

23 82 38   Cabinet Unit Heaters            Beacon Morris
                                           Rittling

23 82 39   Unit Heaters                    Rittling

26 32 13   Emergency Generator System      Caterpillar

26 32 14   Emergency Transfer Switch       Caterpillar




                 0623/ADDENDUM 4-7

				
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