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INVITATION TO QUALIFY

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					                     Addendum #4 – June 13, 2011
                    RFP – Designer Assist Proposal

                          West Haymarket Civic Arena
  Structural, Enclosure, Conveying & MEP Systems Designer Assist Services


Addendum # 4 Items:

1. RFC Clarification Response List (attached).

2. Specification 312000 – Earthmoving Civil Specification (attached)

3. Revised Low Voltage Proposal Breakdown Form

4. Revised Structural Steel Proposal Form to include steel allowances and connection
   design amount.

5. Concrete proposals are to be submitted to Paula Yancey at the following address:
      PC Sports
      The Apothecary
      140 North 8th Street, Suite 220
      Lincoln, NE 68508
      Email: paula@projectcontrol.com

6. All proposals including paper copies must be received on Friday, June 17, 2011 at
   12:00 pm.




                                  End of Addendum #4
                                   NOTE: All proposers are responsible for reading all questions/answers.



Question #   Section   RFC Reference      Question / Clarification                                                        Responder Response
             Global
        1    Global     1                 Are we to go through you to obtain documents from A&D Technical                   Mort    Proposers should obtain documents from A&D Technical
                                          Supply, or should we contact them directly?                                               Supply. Contact information is 402-474-5454

        2    Global     1                 The bid invite noted that you will be hosting a pre-proposal meeting next         Mort    The pre-proposal meeting will be located at the
                                          Tuesday, June 7, 2011 at 10am. Will this be a meeting covering all                        Cornhusker Marriott on June 7, 2011 at 10:00 AM. The
                                          trades? Will this be a meeting required for bidders?                                      meeting will cover all trades. It is not required for
                                                                                                                                    proposers to attend the meeting. Meeting minutes will be
                                                                                                                                    issued in a future addendum.
        3    Global     2                 Please advise if visual mock ups are required. If so, please provide              Mort    Mock-ups will be required for curtainwall and metal panel
                                          mock up materials scope.                                                                  scopes. Mock-ups will also be required in accordance
                                                                                                                                    with Mortenson's quality management plan and the
                                                                                                                                    described inspection process in Exhibit L.

        4    Global     2                 Please advise if the building model will be available for the RFP bidding         Mort    No
                                          process.
        5    Global     2                 Please advise if onsite parking will be available for field personnel or will     Mort    Off site parking will be required for field workers.
                                          offsite parking be required.
        6    Global     2                 Please advise if a forklift and operator will be provided by                      Mort    Unloading and hoisting is the responsibility of each
                                          Mortenson/Hampton at no charge for material unloading and distribution                    Subcontractor.
                                          to installation location.
        7    Global     2                 ARRA [Buy America] or LEED considerations?                                        Mort    Not at this time
        8    Global     2                 The Bid Invitation states that 2 hard copies of the bid shall be delivered        Mort    Paper copies of proposals are due on Friday June 17,
                                          to your office in Lincoln, NE on Friday June 17, 2011 at 12:00pm. It also                 2011 at 12:00 along with electronic copies.
                                          states that bids can be emailed. Can you please confirm if it will be
                                          acceptable to have our bid emailed in by the June 17 deadline, with the
                                          hard copies being mailed in for the following business day?

        9    Global     2                 Is it possible to have a one week extension to June 24th for proposal             Mort    Proposals are still due on June 17th at 12:00pm
                                          submission?
       10    Global     2                 When reviewing the prevailing wage requirement, State of Nebraska                 Mort    Reference the new Davis Bacon Document dated Feb.
                                          Decision NE2010005 dated 10/29/2010 NE5, we found a newer                                 25, 2011
                                          document dated February of this year. Please advise which document is
                                          to be used. If the preceding decision dated October 2010 is to be used,
                                          please provide the document for reference as we can only access the
                                          February document
       11    Global     2                 Is there a scheduled number or frequency of BIM coordination meetings             Mort    BIM coordination meetings will be held weekly at
                                          that we can plan for?                                                                     Mortenson's site office.
       12    Global     2                 Do we need to include any costs for special equipment or personnel                Mort    Yes, see BNSF requirements attached with MAM
                                          training for work within the railroad right-of-way?                                       Subcontract Agreement. There is a fee to orientate each
                                                                                                                                    worker.



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Question #     Section   RFC Reference           Question / Clarification                                                  Responder Response
       13      Global     1                      Reference Instructions to Proposers Section 2, paragraph 15.02. This         Mort     Reference the agreement between Construction
                                                 paragraph indications all subcontracts will include provisions for                    Manager and Owner. This agreement is available at
                                                 liquidated damages. Please provide the details for the liquidated                     www.haymarketnow.com within the 4/14/11 JPA
                                                 damages                                                                               Meetings/attachments.
       14      Global     2                      In reference to the weekly meetings between the modeling team, will          Mort     We would prefer 3D modelers attend the weekly
                                                 remote parties be able to participate via teleconference                              coordination meetings however it may be possible to
                                                                                                                                       attend via teleconference.
       15      Global     3   Exhibit M          Clarify what documentation is required for LBE participation.                Mort     Provide a breakdown of the companies within your team
                                                                                                                                       and their locations.
       16      Global     3   Exhibit P          Clarify if there is a minimum pipe size required in the BIM model for        Mort     All mechanical/plumbing piping associated with the
                                                 hydronic and plumbing systems. In the past, anything under 2" is not                  mechanical equipment will be modeled to each piece of
                                                 modeled.                                                                              equipment.
       17      Global     3   Exhibit P          Will the mechanical/plumbing engineer provide 3D files to the                Mort     Refer to Addendum #2 Meeting Minutes. It is uncertain if
                                                 mechanical contractor for development of the BIM model?                               the A/E's model will be available.
       18      Global     3                      Referencing "Instructions to Proposers - Item 14.00 – Taxes", This           Mort     Include sales tax on all consumable items. Sales tax on
                                                 paragraph seems to state that the contractor will pay taxes.                          items that are permanent to the building should be
                                                 But goes on to say that taxes may be excluded later. Should our                       excluded. Refer to sales tax languange for additional
                                                 proposal pricing include tax?                                                         information.

             Concrete
        1     Concrete    1                      Please confirm that the CMU work is no longer part of the Concrete           Mort     Confirmed. CMU is not included with this RFP proposal.
                                                 Superstructure scope of work.
        2     Concrete    1   SS0.2                                                                                           Mort     F'c = 4000 psi for foundations and walls
                                                 Reference SS0.2 - General Notes. Please provide mix strengths for
                                                 foundations and walls. Not shown on Sheet SS0.2 - General Notes
        3     Concrete    1                      Reference Foundation plans. Please provide grade beam sizes and           DLR / Buro At this time, the typical grade beam sizes are 30" widex
                                                 reinforcing requirements                                                             40" deep w/ 4 - #10 t&B, #4 stirrups at 1'-3" oc, and #3
                                                                                                                                      skin reinforcing at 7" oc on each face. Additional
                                                                                                                                      information will be provided on progress set provided on
                                                                                                                                      June 13th.
        4     Concrete    1   SS1.1A,            Reference Sheet S1.1A (05/09/11) and SS2.1A (05/23/11). The shape         DLR / Buro
                              SS2.1A             of the Event Level is different on these to two plans. On S1.1A, the 8"
                                                 slab on grade steps in to GL-F.6 along GL-3, but on SS2.1A the
                                                 perimeter of the building continues west along GL-F.9. Please clarify




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Question #   Section    RFC Reference      Question / Clarification                                                      Responder Response
        5    Concrete    1                 Reference Instructions to Proposers Section 3a, Item stairs. Will any of      DLR / Buro The grand lobby stair has not been designed yet, but the
                                           the stairs in the arena be designed as cast-in-place? What is the typical                intent is this stair will be concrete with epoxy terrazzo on
                                           stair tower design? Please provide the design requirements if the                        the treads and risers. All main exit stairs and upper
                                           answer to either of the stair related questions is yes                                   concourse vomitory stairs are metal pan stairs. All bowl
                                                                                                                                    seating stairs are cast in place concrete. All stairs will be
                                                                                                                                    capable of supporting 100psf live load. Vibration and
                                                                                                                                    deflection are to be within the code specified limit.

                                                                                                                                        Proposers should include detail 1/SS10.6 as a typical
                                                                                                                                        stair in their proposal.

        6    Concrete    1                 Reference concrete waterproofing shake-on: Will a product similar to          DLR / Buro Yes
                                           Xypex be required at the concessions and toilet rooms on the elevated
                                           slabs?
        7    Concrete    1   S2.2          Reference detail 42 on S2.2 (05-09-11). The detail titled “Typ. Square        DLR / Buro Depth of pile caps are called out on the pile cap details.
                                           Pile Cap Detail” indicates that the depth of the pile cap is “PER PLAN”.                 Refer to plans to determine which pile cap is being called
                                           The plans do not indicate the depth of the pile caps. Please provide                     out.

        8    Concrete    1                 Reference Instructions to Proposers Section 3A, Item E, Excavation and           Mort        No, assume industry standards
                                           Backfill, on page 11of 38. Will earthwork related specifications be
                                           issued for the concrete scope of work?
        9    Concrete    1                 Reference Instructions to Proposers Section 3A, Item L, Foundation               Clark   There will be concrete plinths at the 10" structured slab
                                           Piers and Plinths, on page 12 of 38. After reviewing the drawings no           Enersen?  locations where column below slab will be 4'-6" x4'-6"
                                           piers or plinths are identified or details provide. Should we assume that                wide below structured slab at these locations. At this
                                           the piers and plinths will be located below the steel columns?                           time, It is anticipated at the following columns: F-
                                                                                                                                    11.22.23,24,25,26,27.
       10    Concrete    1                 Reference Instructions to Proposers Section 3A, Item N, Pit walls, on         DLR / Buro Two dock levelers will be in the Marshalling area only.
                                           page 12 of 38. After reviewing the structural and architectural drawings                 They are planned at 7 ft. wide x 10 ft. long.
                                           no dock levelers are indicated. However the Landscape drawing L1.1
                                           shows 2 dock levelers at the north end of the arena. Will this be the
                                           extent of the dock levelers?
       11    Concrete    1   L1.1          Reference L1.1. This drawing indicates a “Food and Beverage Dock”             Mort / DLR /
                                           along the west elevations but is not indicated on the architectural or           Buro
                                           structural drawings. Will this dock be required? If so, please provide
                                           details for this location.
       12    Concrete    1                 Reference Instructions to Proposers Section 3A, Item P, Insulated             DLR / Buro Yes, include an 8" depressed slab at all event level
                                           freezer floors, on page 12 of 38. After reviewing the structural,                        freezer and cooler rooms. Include 4 inches of insulation
                                           architectural and food service drawings, the insulated freezer floors are                and 4 inches of concrete to fill the depression. Include a
                                           not indicated. On food service plan, FS1.1, five rooms along the west                    2 x 6 treated lumber the depth of the depression at the
                                           side of the floor plan indicate “freezer” or “cooler” should we include the              perimeter.
                                           freezer floors for these spaces? Or please provide a key plan indicating
                                           the locations of the freezers and/or provide an allowance of rooms and
                                           sizes to use in our proposal.
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Question #   Section    RFC Reference        Question / Clarification                                                     Responder Response
       13    Concrete    1   AN1.1A          Reference drawings AN1.1A, C and D. On these architectural drawings            Mort      1. Ice pit: pad dimensions for ice pit are 12’-0”x6'x2'
                                             are pits indicated for the ice melt system. The size and depth of these                  deep (inside dimension of pit is 10'x4') with 150 lb/cy.
                                             pits are not provided. Please provide details for the two pit locations                  Top of pad is approximately 6’ below arena floor
                                                                                                                                      elevation. Pit walls will be approximately 8” thick
                                                                                                                                      concrete wall with 5 psf of rebar.
                                                                                                                                      2. Snow melt pit: pad dimensions for snow melt are 14’-
                                                                                                                                      0”x6'x2' deep (inside dimension of pit is 12'x4') with 150
                                                                                                                                      lb/cy. Top of pad is approximately 4’ below arena floor
                                                                                                                                      elevation.
                                                                                                                                      Pit walls will be approximately 8” thick concrete wall with
                                                                                                                                      5 psf of rebar.
       14    Concrete    1                   Reference Instructions to Proposers Section 3A, Item S, Pipe Bollards,         Mort      Yes, assume 8" pipe bollards. Quantity 100. Include a 1
                                             on page 12 of 38. No bollards are indicated on the structural and                        CY footing just below the slab in addition to the concrete
                                             architectural. Will 100 bollards be a sufficient quantity?                               needed to fill the bollard.

       15    Concrete    1                   Reference Instructions to Proposers Section 3A, Item G.1, Formwork, on         DLR       Yes - Exposed columns should be a Class C finish.
                                             page 12 of 38. Will any of the exposed columns be required to receive a
                                             Class C level of finish?
       16    Concrete    1                   Reference Elevator and Escalator pit depths. On the vertical                   DLR       Final depth will be per elevator manufacturer selected for
                                             transportation drawings, the elevator pits are indicated as 6’-2” or 8’-7”               project.
                                             deep. The escalator pits are indicated as 4’-0” deep and typically, the
                                             elevator pits are 4’-0” deep as well. Could the pits be 4’-0” deep?                      Mort Response: Assume pit dimensions as shown on
                                                                                                                                      the drawings in your proposal.
       17    Concrete    1                   Reference Instructions to Proposers Section 3A, Item O, Trenches, on          DLR        While the design is not finalized, the intent is all piping
                                             page 12 of 38. Will any trenches be required from the Ice Slab to the Ice                will be buried.
                                             Plant room?
       18    Concrete    1   AN1.2C&D        Reference AN1.2C and D. It appears that part of the east elevation of       DLR / Buro
                                             the arena will require a foundation wall. Is this correct? What will be the
                                             dimensions and reinforcing for this wall?
       19    Concrete    1                   Reference Main Concourse Level – What size are the independent              DLR / Buro   Based on current design the beam at linc is 24" wide x
                                             beams located on Grid C?                                                                 30" deep
       20    Concrete    1                   Reference Premium Level Area B & C – What size are the independent            Buro       The F line beam is 48" wide x 28.75" deep, The E line
                                             beams located on Grids F & E                                                             beam is 36" wide x 28.75" deep
       21    Concrete    1                   Reference Premium Level – What size are the cantilevered beams on             Buro       The cantilever beam is 30" wide by 28.75" deep
                                             the bent lines located from Grid D inward toward the seating bowl?

       22    Concrete    1                   Reference Premium Level Area E – What size are the independent                 Buro      At this stage of the design, the beam size is 36" wide by
                                             beams located on Grid K?                                                                 36" deep. As design progresses, any revisions will be
                                                                                                                                      provided in updated models and drawings.




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Question #   Section    RFC Reference       Question / Clarification                                                        Responder Response
       23    Concrete    1   AB7.1, AB7.2   Reference AB7.1 and AB7.2, ADA and Camera platforms. What is the            DLR / Buro       The general construction for the ADA and camera
                                            general construction of the platform walls and slabs? Will the walls be                      platforms are preferred to be precast walls and slabs.
                                            concrete masonry units and the slab will be reinforced concrete slab on                      The platforms will be permanent so final design is
                                            3” metal deck (overall thickness 5-1/2”)?                                                    subject to cost.
       24    Concrete    2                  Reference Elevator and Escalator pit slabs. Please provide sizes and          Mort           Assume 100 lbs per CY
                                            reinforcing for the elevator and escalator pits located on the Event Level.

       25    Concrete    2                  Reference S2.1, detail 56, Typ. Stoop Detail. Please provide height of             DLR     Typical elevator pits are 8'-7" deep. See arch plan for
                                            grade beam. Will the height be the same as the perimeter grade beam?                       footprint. Typical pile cap/pad dimesions wll be 1'-0"
                                                                                                                                       wider than outside face of 12" concrete walls.
                                                                                                                                       Pit walls will be approximately 8” thick concrete wall with
                                                                                                                                       5 psf of rebar.
       26    Concrete    2                  Reference S2.2, detail 42, Typ. Square Pile Cap Detail. This detail             DLR / Buro Stoop footings will be 1'-6 x 3'-0" deep with 2-#8 top and
                                            illustrates reinforcing in both the bottom and the top of the pile cap, but                bottom.
                                            the Pile Cap Layout Details (21/S2.2) only indicated reinforcing in the
                                            bottom. Is an additional layer of reinforcing required in the top of the pile
                                            cap and tied to the bottom layer?
       27    Concrete    2                  Reference SS2.5E – Is the slab opening north of Grid K between Grids               Buro      Refer to detail 21/S2.2 and specific callouts at each pile
                                            31.5 and 32 intended to be a stair opening? Will the slab edge adjacent                      cap type. At this point in the design, there are no pile
                                            to this opening require a perimeter beam? If so, what size? If this slab                     caps that require top reinforcing.
                                            edge does require a perimeter beam how will that work if the beam runs
                                            through the elevator opening? Please clarify this area
       28    Concrete    2                  Reference Area E Columns. Please provide sizes and reinforcing for the             Buro
                                            columns located outside of Grid Line F in Area E. It appears that these
                                            columns could be steel. On the foundation level, there appears to be
                                            two columns along grid line L
       29    Concrete    2                  Reference SS2.6A vs. Bldg Sections – Sheet SS2.6A calls out the beam               DLR       The correct beam size per current design 48” wide x 28
                                            on Grid F to be 36” wide x 28 ¾” deep. The Bldg Sections call for this                       ¾” deep
                                            beam to be 48” wide x 28 ¾” deep. Which is correct?
       30    Concrete    2                  Reference detail 42 on S2.2 (05-09-11). The detail titled “Typ. Square             Buro      The typical pile cap and grade beam elevation is 99'-0
                                            Pile Cap Detail” indicates that the depth top of the pile cap is “PER                        with various pile cap elevation adjustments made based
                                            PLAN”. The plans do not indicate the depth top of the pile caps. Please                      on elevator pit depths, railroad line phasing concerns and
                                            provide.                                                                                     site grades.




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Question #   Section    RFC Reference      Question / Clarification                                                   Responder Response
       31    Concrete    2                 There appears to be several pieces of conflicting information regarding       Buro      Refer to SS3.3 for correct column sizes per current
                                           the columns on lines D & E.                                                             design.
                                            1. Per the plan views: SS2.3A & SS2.3C - Note states, 30" Square Cast
                                           in Place Columns, Typ. Grid Lines D & E. SS2.3D - Note states, 36"
                                           Square Cast in Place Columns, Typ. Grid Lines D & E. Section SS3.1
                                           indicates that E line columns are 30" and D line columns are 24".
                                           Which is correct.
                                             2. Per the section views: SS3.1 indicates E line columns are 30" and D
                                           line columns are 24". However, SS3.2 & SS3.3 indicate that E line
                                           columns are 36" and D line columns are 30".
                                             3. Please clarify if all D line columns are TYP size at all locations
                                           around the bowl and what that size is.
                                             4. Please clarify if all E line columns are TYP size at all locations
                                           around the bowl and what that size is

       32    Concrete    2                 SS2.3C - Note States, 36" Square Cast in Place Columns but points to a        Buro      At grid 16-E and 17-E: 36X36 column below main
                                           round column that is located at 16E and 17E. Is the column square per                   concourse and 30" round column above.
                                           the comment or round per the design? Size to also be verified per RFI
                                           #2 - Item #31
       33    Concrete    2                 No column sizes are provided for columns outside of grid line F at any     DLR / Mort Column sizes will be provided in for the submission on
                                           level in any sector. Please provide                                                   July 7th.
                                                                                                                                 Assume 36"x36" columns.
       34    Concrete    2                 Reference S1.1A, Event Level Foundation Plan - Area A. Starting at the     DLR / Buro There will be a retaining wall at this location. Please
                                           intersection of grid lines L and 1.3 and following the perimeter to the               reference updated drawings provided on June 13th for
                                           intersection of grid lines F.6 and 3 is a wider "footing". Is this for a              clarification. The elevation step is due to the 8'-7 deep
                                           retaining wall? After reviewing the civil grading plans and the parking               elevator pits for the 2 elevators and not due to site grade
                                           garage floor plans, it appears that the Event Level floor plan is at                  changes.
                                           relatively the same elevations. Is a retaining wall and footing required at
                                           these locations
       35    Concrete    2                 Reference SS9.0, Stair Elevations. In detail 2, Typical Stair Elevation –   Mort
                                           Interior, at column line 4.1 and 4.2 appear to rest on a substructure just
                                           below the floor slab. What type of foundation will support the columns
                                           located at 4.1 and 4.2
       36    Concrete    2                 The documents are not far enough along to provide details for the DLR / Mort Proposers should include an allowance of 1500 embeds.
                                           necessary misc. metal embeds in the cast-in-place concrete (i.e.                 Anchor bolt template is considered one embed.
                                           elevator hoistways, escalator connections, stair connections, steel
                                           framing connections, enclosure connections, etc…). Please provide
                                           approximate number of embeds or an allowance to include in our bid.




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Question #     Section   RFC Reference      Question / Clarification                                                       Responder Response
       37     Concrete    2                 Reference 00 03 00 Cast-in-Place Concrete Specifications, 3.13                   Mort       Mort Response: For the purposes of this proposal,
                                            Concrete Protecting and Curing. What areas to receive floor coverings                       include all slabs as being water cured.
                                            will require moisture-retaining-cover to cure concrete surfaces? Unable
                                            to determine at this time because the room finish schedule is not
                                            provided.
       38     Concrete    2                 Reference site related services provided by CM. Will the construction            Mort       Wash out pit to be on site.
                                            manager provide a concrete washout for the ready-mix truck on site?

       39     Concrete    2                 Reference North Loading Dock foundation wall. It appears from the              DLR / Buro
                                            grading plan, C1.1 that the north loading dock paving is four to five feet
                                            lower than the Event Level slab. This elevation change would suggest
                                            that a foundation wall is required, but the foundation plans do not show
                                            this wall in plan or with any details. Please provide a clarification on the
                                            limits of the foundation wall located above the perimeter grade beam

       40     Concrete    2                 Reference sheet SS3.3 and 3/SS7.0. Sheet SS3.3 calls for a 48 x 48             DLR / Buro The beam size is 48"x48"
                                            concrete beam at B.O. Truss. Detail 3/SS7.0 shows dimensions for a 60
                                            x 60 beam at B.O. Truss. Which is the correct size
       41     Concrete    3                 Reference Architectural floor plan AN1.3E and Structural floor plan            DLR / Buro
                                            SS2.3E. Please provide a standard detail for the slab edge condition
                                            along grid line L at the Roof Deck Plaza. The roof edge is located
                                            approximately 7’9” from grid line L and creates an extreme overhang
                                            condition
       42     Concrete                      Reference sheet SS0.2. The pan & joist slab system reinforcing factor          DLR / Mort
                                            does not provide for dowels, waste, and splices. Please provide factor
                                            similar to columns and beams
       43     Concrete                      Section 00300 Cast-in-place concrete paragraph 2.5-C-1 max coarse                 DLR
                                            aggregate shall be ASTM-C33 Size #6. Will it be permissible to use
                                            Nebraska Department of Roads State Specification for Concrete
                                            Construction ASTM C-33 Size #57 in lieu of ASTM C-33 Size #6 for the
                                            Coarse Aggregate
       44     Concrete                      Please confirm that, "Ironworker, Structural" is the labor classification to
                                            use for the handling and placement of concrete reinforcing steel and
                                            welded wire fabric
       45     Concrete                      Reference Concrete Specifications under paragraph 3.10 Finishing
                                            Formed Surfaces. Paragraph C for Rubbed Finish indicated that a
                                            rubbed finish is required where indicated. At what locations will the
                                            rubbed finish be required
             Precast
             Stadia




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Question #   Section   RFC Reference         Question / Clarification                                                       Responder Response
        1    Precast    2   SS10.11                                                                                         DLR / Mort Double rise is the typical section.
             Stadia                          In reference to the plans, Sheet SS10.11 illustrates the typical precast
                                             stadia section with a double rise then on Sheet SS10.12 a triple rise is                    Provide single rise as an alternate if desired.
                                             shown. Can you confirm if the double rise is the standard section?
                                             Also, is a single rise section an acceptable option?
        2    Precast    2                    Referencing details 15, 35 and 43 / AB7.1, is it the intent for the wall and      DLR       DLR response: Precast
             Stadia                          slab sections of the ADA seating and camera platforms to be CIP or                          See question and response in the concrete section
                                             precast?                                                                                    above for additional information.
        3    Precast    2                    Please advise on the specified caulk joint size and material?                     Mort
             Stadia
        4    Precast    3                    Are the scaled dimensions of the precast columns minimum as required              Mort      Price columns as per the drawings.
             Stadia                          by architect or is section size as required by precaster.
        5    Precast    3                    Addendum #2 states all vomitory stairs are to be metal pan units and all          Mort      Vomitory stairs shown on AB8.1 should be considered
             Stadia                          bowl stairs are to be cast in place. Are the stairs in the LOGE Box cast                    precast stairs. Detail 52/AB8.1 should consist of a
                                             in place or precast? If they are cast in place, does that eliminate stair                   precast "tub" with CIP steps and high load insulation to
                                             units from the precast scope of work?                                                       fill the void. CIP steps and insulation should be included
                                                                                                                                         with concrete scope.
        6    Precast    3                    Please confirm all drawing sheets showing the Parking Garage           Mort                 All exterior precast and any precast shown in the garage
             Stadia                          and exterior precast are for reference only, and those areas are                            should not be included with this proposal package.
                                             not included in the current scope of work
        7    Precast    3                    Is only the top surface of the precast required to be sealed, or is    Mort     Top side of precast and all exposed walls are to be
             Stadia                          the underside of the riser required to be sealed also? Are the                  sealed by precast Subcontractor.
                                             vertical walls also required to be sealed? If yes, one or both
                                             sides?
        8    Precast    4                    Are the VOM Walls intended to be hung from the riser sections as DLR / Buro
             Stadia                          shown on the Architectural drawings, or are they to be supported
                                             by the structure as noted in the Structural Notes. Supported by
                                             the structure would be preferable to allow for the support of the
                                             precast riser sections
        9    Precast    4                    The CIP beam at Grid F at Top of Seating is shown conflicting        DLR / Buro
             Stadia                          with the location of the precast riser on the Architectural
                                             Drawings, but is shown below the riser on the Structural
                                             Drawings. Please confirm the Structural Drawings show correct
                                             elevation of the beam.
       10    Precast    4                    Is there a fire rating required for the riser sections, or any         DLR
             Stadia                          requirement for smoke or fire barrier? If yes, please indicate areas
                                             that will require fire stopping materials and/or fire caulk.
       11    Precast    4                    The Structural Notes and Specifications state 2” of clear zone is              DLR / Buro
             Stadia                          required at the face of the precast risers, but the drawings show
                                             3”. Please confirm 2” is the requirement.
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Question #     Section   RFC Reference      Question / Clarification                                                     Responder Response
       12      Precast    4                 Is the 4” radius shown at the edge of the precast riser on the               DLR / Buro
               Stadia                       structural drawings required, or can the detail be changed to a ½”
                                            or ¾” chamfer?
       13      Precast    4                 Is the 8” minimum dimension shown on the structural precast          DLR / Buro
               Stadia                       detail 1/ SS10.11 required, or is it allowed to be determined by the
                                            precast manufacturer? 6” is a typical dimension for that section

       14      Precast    4                 Can the requirement for sandblasting the ends of the risers be                 DLR
               Stadia                       removed? This is not a typical requirement
       15      Precast    4                 Is there a detail for the railing attachment to precast, or can it be          Mort       Depending on location, precast Proposer should rely on
               Stadia                       assumed that all railings will be attached with field installed                           their experience. Example, glass rails will require an
                                            anchors or core drilled and grouted                                                       embed plate, vom walls will be bolted or cored. Any
                                                                                                                                      railing attached to front or end of precast will require a
                                                                                                                                      halfen embed. Precast Subcontractor will need to
                                                                                                                                      coordinate all railing attachments.
       16      Precast    4                 Reference Scope of Work - Item K. Is this required of the                      Mort
               Stadia                       fabricator, or as a supplier can personnel be accessible to travel
                                            to the site if needed during precast erection
       17      Precast    4                 Reference Scope of Work - Item L. Can the engineer inspecting                  Mort       The 2 week inspection should be done by someone
               Stadia                       the precast installation, be any qualified precast engineer, or does                      acceptable to the Engineer of Record. In addition all
                                            the actual designer / detailer need to be the engineer inspecting                         initial inspections to be done by both parties to establish
                                                                                                                                      level of quality.
       18      Precast    4                 Reference Scope of Work - Item M. Is the fabricator required to                Mort       Yes, sealing contractor can wash / clean the precast.
               Stadia                       completely wash the precast after it is erected, or can the sealing
                                            contractor wash it before the second coat of sealer is applied

             Steel
        1                 4                 Please provide location and list of drawings where the Canopies are            Mort       See Proposal Form for allowance quantity.
                Steel                       located. If no framing is shown please provide tonnage
        2                 4                 Secondary Steel: curtain wall support. Please provide location and list        Mort       See Proposal Form for allowance quantity.
                                            of drawings where this material is located. If no framing is shown please
                Steel                       provide tonnage
        3                 4                 On drawing SS0.2 you have some notes in the bottom right hand corner           Mort
                                            that list different allowances. Please clarify which of these items you
                Steel                       want us to include as allowances in our bid proposal
        4       Steel     4                 In the project specifications under Section 3c – Structural Steel Scope of     Mort
                                            Work Outline, there are a number of items listed that are not shown on
                                            the structural set. For example, Items F, G, I & J are not located on the
                                            structural dwgs and have not weight associated with them for pricing


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Question #   Section   RFC Reference      Question / Clarification                                                   Responder Response
          Metal
          Panels
        1    Metal      2                 Specification 074213 and 074215, on radius vertical wall substrates; are      DLR        Type 1 Panel (074213) is rainscreen which does not
            panels                        the panels to be radius or segment?                                                      typically occur at a radiused wall. The exception is at
                                                                                                                                   canopy projections which will be faceted. Type 2
                                                                                                                                   (074214) are radius flatlock panels.
        2    Metal      2                 Please identify panel width and height dimensions for specification           DLR        The Type 3 panel (074215) has been eliminated from the
             panels                       074213, 074214, and 074215.                                                              design. We are considering a louver system to replace
                                                                                                                                   the Type 3 panel. Type 1 panel is nominal 3' H x 6' L
                                                                                                                                   and the zinc flatlock panel is nominal 1'-4" H x 6' L.

        3    Metal      2                 Please identify location of insulation; in the stud cavity or out board of  DLR / Mort   Insulation will be outboard of stud face with additional
             panels                       the air barrier membrane. If the insulation is out board, is to be included              insulation within the stud cavity. It shall be included in
                                          in this scope of work? If so, please provide a specification for semi-rigid              this scope. Continuous insulation installed between Z-
                                          insulation, i.e. Thermafiber Rainbarrier.                                                furring strips shall be ThermaFiber RainBarrier 30-2"
                                                                                                                                   thickness, Unfaced.
        4    Metal      2                 Please identify if there are any column or beam wrap enclosures and           DLR        This has not been finalized. The intent is for concrete
             panels                       what material they are to be.                                                            columns to be left exposed. Steel columns if exposed to
                                                                                                                                   view will be coated with intumescent paint or sprayed
                                                                                                                                   fireproofing with gyp. cover.
        5    Metal      2                 Systems descriptions page 2, Pressure Equalized Rainscreen Cement             Mort       Cement Composite Panels are no longer part of the
             panels                       Composite Wall Panel System – Please identify the scope of work this                     design.
                                          should be included under, if at all.
        6    Metal      2                 Please advise if final cleaning of materials at turnover of building to       DLR        General cleaning is the responsibility of each
             panels                       owner is required by these scopes of work?                                               Subcontractor. Final cleaning will be performed by
                                                                                                                                   Others for windows.
        7    Metal      2                 Metal panel specification 074215 – indicates a zinc concealed fastener        DLR        Type 3 Panel (074215) has been deleted from the
             panels                       roll formed panel, Metafor, by VM Zinc with 120” w X 12” h dimensions.                   design. A louver type system is being considered at the
                                          However, the elevations show a similar zinc panel system aesthetically                   top of the stair tower mechanical rooms to replace this
                                          to the specified 074213 flat aluminum plate panel. Please advise which                   panel type.
                                          is to be utilized
        8    Metal      2                 The aluminum plate panel specification 074213, does not specify               DLR
             panels                       deflection criteria, please advise
        9    Metal      2                 Per specification 074213, it appears the panel thickness requirement is       DLR
             panels                       0.080” per 074213-4, 2.1. A. Contrary to that reference 074213-5, 2.4,
                                          A., 2., notes that the thickness shall be determined by Dri-Design
                                          manufacturing parameters. Please advise which thickness governs and
                                          if Dri-Design manufacturing parameters governs, what is that thickness?

       10    Metal      2                 Please identify the scope of the architectural aluminum louvers and           Mort
             panels                       provide a specification or product guide.
       11    Metal
             panels
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Question #   Section    RFC Reference      Question / Clarification                                                       Responder Response
       12    Metal
             panels

          Curtainwall
        1 Curtainwall    2                 Aluminum Entrance hardware to be included in this scope of work? If so         DLR / Mort Mortenson to advise regarding hardware allowance as
                                           please provide a hardware schedule or specify an allowance to be                          the hardware schedules have not been completed at this
                                           carried per entrance leaf                                                                 time.
                                                                                                                                     Mort response: Provide unit price allowance in your
                                                                                                                                     proposal. Include dollars for all hardware for this scope.
        2 Curtainwall    2                 There is a glass low E reference of Solar Ban 70 XL, on clear and/ or            DLR      See Glazing Specification-Section 088000. The
                                           combination of solexia, solar green and solar bronze tints. Please                        curtainwall glazing specification is based on “PPG
                                           provide a glass specification including glass make ups and glazing                        SOLARBAN 70XL Solar Control Low-E glass”. This
                                           schedule.                                                                                 product in “CLEAR” (no tint) meets the solar heat gain
                                                                                                                                     criteria that the HVAC system design is based on. As
                                                                                                                                     the glazing design develops, we will be analyzing interior
                                                                                                                                     glare and aesthetic considerations that may result in the
                                                                                                                                     use of a single tint (or clear) or a combination of tints on
                                                                                                                                     the project. The combination of tints could include
                                                                                                                                     “SOLEXIA”, “SOLARGRAY” and/or “SOLARBRONZE”
                                                                                                                                     along with “CLEAR”.

        3 Curtainwall    2                 There is a glass low E reference of Solar Ban 70 XL, there are                    DLR       The additional manufacturers listed are acceptable
                                           comparable products by Guardian, Viracon and Cardinal. Please advise                        provided they meet the performance requirements as
                                           if alternative low E manufacturers are acceptable if they meet the                          specified.
                                           performance requirements.
        4 Curtainwall    2                 Please advise exterior aluminum entrance glazing is to be the same                DLR     Entrances within curtain wall framing shall be part of
                                           make up as the exterior curtainwall glazing.                                              curtain wall system. Interior vestibules shall be
                                                                                                                                     Aluminum Storefront framing. Glazing within exterior
                                                                                                                                     entrances shall match glazing of curtainwall system.
        5 Curtainwall    2                 Please advise the glass make up for interior vestibule and entrance              DLR      Interior glass at vestibules shall be clear glazing without
                                           glazing.                                                                                  Low E coating and non-insulating.
        6 Curtainwall    2                 Systems descriptions page 3, Glass Aluminum Curtainwall, Material              DLR / Mort Intent is that the manufacturer's standard thermally
                                           note “thermally broken”; Please advise if: 1) iso bars (polyamide nylon)                  broken design, which may or may not include ISO bars,
                                           are to be utilized as the thermal break 2) or if a standard thermal isolator              can be used provided the specified performance
                                           between the pressure plate and mullion stem is acceptable                                 requirements are met.

        7 Curtainwall    2                 Please advise if the proposal requires thermal models of the glazing              DLR       Mortenson to advise.
                                           system to show that the system proposed meets the thermal
                                           requirements of the specification.
        8 Curtainwall    2                 Automatic operators are required to be included with this scope of work.          DLR       At this time, include 6 door locations (12 operators total)
                                           Please provide a door schedule or advise quantity to be included.                           to have automatic operators. Intent is for one leaf of a
                                                                                                                                       pair of doors and both the exterior and interior vestibule
                                                                                                                                       door will have an operator.

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Question #   Section    RFC Reference      Question / Clarification                                                  Responder Response
        9 Curtainwall    2                 Firesafing and smoke seal between the slab edge and the back of              DLR       Reference Section 088000 for glazing specifications.
                                           curtainwall is to be provided with this scope of work. Please reference                Section 4/AX7.2 is cut through the landing at the
                                           section4/AX7.2, the slab edge is in the middle of a glass lite. Please                 southeast stair tower (northeast stair tower is same) at
                                           advise on the following requirements: 1) spandrel glass make up 2)                     the corner curtainwall window. Where slab edge extends
                                           galvanized steel or painted aluminum back pans 3) reinforcing                          to curtainwall, spandrel glass will be required but no fire
                                           requirements of the galvanized steel/aluminum back pan to meet local                   containment system is required at the stair tower
                                           building codes 4) mineral wool insulation thickness i.e. Thermafiber                   landings. The exception is the floor at the "Top of
                                           firespan 90 4” 5) provide dimension between edge of slab to back of                    Seating" level which will require a fire containment
                                           system 6) Is the slab edge/curtainwall gap closure to protect the                      system of 2 hours. Thermafiber FireSpan system by
                                           firesafing and smoke seal to be included in this scope of work 7) are                  USG or equivalent is acceptable. It is our understanding
                                           there any local code requirements for insulting the back of curtainwall                that the curtainwall provider be responsible for providing
                                           system below the slab edge in addition to the galvanized/aluminum back                 and installing the containment system but this must be
                                           pan and insulation.                                                                    confirmed with the CM. Closure to protect system shall
                                                                                                                                  be metal studs and gypsum board.

       10 Curtainwall    2                 Please provide a firesafing and smoke seal specification.                 DLR / Buro   See Above
       11 Curtainwall    2                 Please advise vertical and horizontal mullion spacing dimensions, i.e.      Mort       Final mullion configuration is not complete at this time.
                                           vertical mullions are spaced 10’, o.c. and horizontal mullions are spaced              Use mullion pattern as indicated on drawings.
                                           4’0” o.c.
       12 Curtainwall    2                 Please clarify the extent of interior glass and glazing scope of work. Is   DLR        Interior glass/glazing should not be included. All
                                           this limited to vestibule framing/glazing and vestibule entrances? Please              vestibule glazing is to be included with this scope.
                                           advise.
       13 Curtainwall    2                 Please clarify if the curtainwall system is vertically captured or          DLR        Vertically captured and not structurally glazed.
                                           structurally glazed.
       14 Curtainwall    2                 Please confirm the horizontal mullions are captured with standard ¾”      DLR / Buro All horizontal mullions will be horizontally captured.
                                           caps and extended 8” to 10” caps as indicated on the documents.                      Some will be captured with the standard 3/4" caps and
                                                                                                                                some with the extended caps. Extended caps to exterior
                                                                                                                                side shall be 10".
       15 Curtainwall    2                 Please advise if the wind load girts shown in the documents are           DLR / Buro Intent is that the large curtainwall elements will be
                                           designed to accept curtainwall system dead load. If not, is the sill                 supported by the building super structure/secondary
                                           condition designed to accept the dead load of the curtainwall system.                steel structure for lateral loads only. Curtianwall system
                                                                                                                                shall be designed to support the gravity loading within
                                                                                                                                the system. Exception are the corner windows at the
                                                                                                                                southeast and northeast stair towers. These windows
                                                                                                                                will be fully supported by the building superstructure for
                                                                                                                                gravity and lateral loads. Coordination will be required
                                                                                                                                for the load from the curtain wall to the nearest
                                                                                                                                structure. Different conditions may apply at different
                                                                                                                                locations. The sill condition of the building at the
                                                                                                                                curtainwalls will be designed to support the curtainwall
                                                                                                                                dead load whereever curtainwall occurs.



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Question #   Section    RFC Reference      Question / Clarification                                                      Responder Response
       16 Curtainwall    2                 Are the structural studs designed to accept the curtainwall loading           DLR / Buro Intent is that the large curtainwall elements will be
                                           imposed or should the curtainwall be designed to load to the closest                     supported by the building super structure/secondary
                                           adjacent structure (underside of slab or nearest structure available).                   steel structure for lateral loads only. Curtianwall system
                                           Reference details 1 and 3/AX7.0.                                                         shall be designed to support the gravity loading within
                                                                                                                                    the system. Exception are the corner windows at the
                                                                                                                                    southeast and northeast stair towers. These windows
                                                                                                                                    will be fully supported by the building superstructure for
                                                                                                                                    gravity and lateral loads. Coordination will be required
                                                                                                                                    for the load from the curtain wall to the nearest
                                                                                                                                    structure. Different conditions may apply at different
                                                                                                                                    locations.
       17 Curtainwall    2                 Section 3/AX7.0, will the curtainwall be required to anchor back to the       DLR / Buro Intent is that the large curtainwall elements will be
                                           structural W shape (approx. 90” from back of mullion) or will the studs                  supported by the building super structure/secondary
                                           shown accept all loads imposed?                                                          steel structure for lateral loads only. Curtianwall system
                                                                                                                                    shall be designed to support the gravity loading within
                                                                                                                                    the system. Exception are the corner windows at the
                                                                                                                                    southeast and northeast stair towers. These windows
                                                                                                                                    will be fully supported by the building superstructure for
                                                                                                                                    gravity and lateral loads. Coordination will be required
                                                                                                                                    for the load from the curtain wall to the nearest
                                                                                                                                    structure. Different conditions may apply at different
                                                                                                                                    locations.
       18 Curtainwall    2                 Section 1/AX7.0, will there be a curb to accept the sill of the curtainwall     DLR      Yes.
                                           at elevation +28’0”?
       19 Curtainwall    2                 Section 1 & 4/AX7.2 and 4/AX7.3, it appears that structure is penetrating        DLR       No structure will be penetrating the curtainwall. This is a
                                           the exterior curtainwall envelope. Please advise what is occurring                         drawing error.
                                           through this section.
       20 Curtainwall    2                 Are restroom mirrors to be included in this scope of work? If so, what           Mort    No. Restroom mirrors should not to be included with the
                                           size are they and are they unframed?                                                     glass/curtainwall scope.
       21 Curtainwall    2                 Under specific inclusions item L), please identify the location(s) and        DLR / Mort Exclude "glazed-in" metal panels.
                                           panel specification.
       22 Curtainwall    2                 Please advise if independent laboratory test mock up(s) are required If          DLR       Not required.
                                           so, please provide mock up material scope and testing procedure.

       23 Curtainwall    2                 Exterior glass product has been defined, color of glass has not please           Mort      The glass color design is still being developed at this
                                           clarify                                                                                    time. See earlier question.
       24 Curtainwall    2                 Automatic door operators are shown in scope but not on drawings will             DLR       Yes, see response above.
                                           they be part of bid?
       25 Curtainwall    2                 Door hardware is shown in scope but not in specs or drawings, will they          DLR       Door hardware schedules have not been developed at
                                           be part of bid?                                                                            this time. Include unit price allowance.
       26 Curtainwall    2                 What supersedes floor plan or elevations for determining division of             DLR       Elevations.
                                           glass frames vertically?

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Question #     Section    RFC Reference      Question / Clarification                                                      Responder Response
       27 Curtainwall      2                 There appears to be a decent sized curtainwall window shown on South            DLR     This window has been deleted from the design.
                                             Elevation 3/AX5.0 at gridline C behind the parking garage. It is also
                                             shown on West Elevation 2/AX5.1 between grids F-TT. Is this
                                             curtainwall part of the scope of our work or is this to be included in a
                                             future package with the parking garage?
       28 Curtainwall      2                 Interior vestibule doors and frames. Are these to be included in the            Mort    Vestibule doors frames and glazing are to be included
                                             Exterior Glass Curtainwall scope or will this be let with a future interior             with this scope. Other interior glazing should be
                                             package? If they are included in this scope, should they all be figured as              excluded.
                                             12' tall per Wall Section 4, 1/AX7.1?
       29 Curtainwall      2                 Numerous cut-section details appear to show an extended face cap [ex:           DLR     Caps shall be 10" deep and shall replace the standard
                                             1/AX7.0, 1/AX7.1, 2/AX7.3]. Is there a certain design element required                  3/4" face cap.
                                             for these? Are they supposed to be a certain dimension or shape?

       30 Curtainwall      2                 Please review west elevation between column lines 9 and 10 typ.                 DLR     These windows would be flush with the exterior wall and
                                             Windows appear to be bump outs on elevation ,but show as straight on                    not bump out.
                                             plan
       31 Curtainwall      2                 After review of the 3e proposal breakdown and the plans, please confirm         Mort    Each Proposer is responsible for verifying quantities
                                             the aluminum entrance quantity for all bidders. We find the following: 21               shown on the documents and should include all
                                             Exterior Pair, 2 Exterior Single, 14 Interior Pair, 1 Interior Single                   entrances shown on the drawings.


             Elevators
        1      Elevator    2                 The architectural and VT plans show elevator #8, but the specificaitons         DLR     Yes. Specifications will be revised to include this
                                             do not reference this unit. Are we to include pricing for this unit? Are we             elevator.
                                             to assume similar specification requirements are units 3-7?

        2      Elevator    2                 Can you clarify the location of the control rooms for units 4-8?                DLR     Elevators 4-5 have control room adjacent to Elevator 5 at
                                                                                                                                     Event Level. Elevators 6-7 have control room at Grid
                                                                                                                                     Lines 1.6, J.9 on Event Level. Elevator 8 has control
                                                                                                                                     room adjacent to control room for Elevators 6-7 on Event
                                                                                                                                     Level. LB: Janet Hudgins
        3      Elevator    2                 The specification is calling for Class C1 loading on the 5000 lbs. service      DLR     Both the freight elevator and the 5000# service elevator
                                             elevator. A typical service car would have Class A loading. Class C1                    will be carrying concentrated loads including pallets,
                                             loading is generally used for carrying a fork lift or where a single item               possibly a fork lift and heavy equipment. The 'C' class
                                             being transported on the elevator is greater than 25% of the rated                      loading is required for concentrated loading. LB: Janet
                                             capacity (1,250 lbs.). There are significant cost savings if Class A                    Hudgins
                                             loading is used in lieu of Class C1.
        4      Elevator    2                 The VT series drawings indicate seven elevators, the AN series                  DLR     The VT drawings do have eight elevators. Eight
                                             drawings indicate eight elevators. Which quantity is correct                            elevators is correct.
        5      Elevator    3                 The elevator names between the VT and AN series do not match.                           The VT drawings dated 05/16/2011 have elevator names
                                             Please indicate which VT drawing represents which elevator location                     that match the AN drawing series.
                                             based on AN series naming


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Question #   Section    RFC Reference        Question / Clarification                                                     Responder Response

          Plumbing & Mechanical Systems
        1    Mech /   2                 Is the Plumbing scope to include the site utilities? The Plumbing System            Mort      Include all utilities to 5' outside of bulding.
           Plumbing                     Descriptions, page 6, items 6 & 7 indicate to include service tap fees for
                                        water, sanitary sewer and storm sewer which are usually included in the
                                        Site Utility package.
        2    Mech /   2                 When will DEC deliver hot water to the site?                                        Mort      The DEC Delivers hot water in November 2012. This is
           Plumbing                                                                                                                   to be used for temp heat in the building.
        3    Mech /   2                 The Test and Balance specification – 230593 states that this scope of               DLR       Test and balance is to be part of the mechanical
           Plumbing                     work will be directly subcontracted to Mortenson. The Mechanical /                            proposal.
                                        Plumbing breakdown issued in Addendum 1 has a breakout for Test and
                                        Balance. Please advise is this should be in our number or subcontracted
                                        to you.
        4    Mech /   2                 Are beer line conduits going to be run from the beer pump rooms to all              DLR       This hasn't been finalized. Assume at this time that there
           Plumbing                     concession stands and bar areas?                                                              will be beer lines to all concession stands and bar areas.

        5     Mech /     2                   Are soda line conduits required from a central point to all concession         DLR       This hasn't been finalized but assume that concessions
             Plumbing                        stands or does each concession area have its own soda distribution                       and bars will have their own soda distributiion.

        6     Mech /     2                   Can you provide a narrative or drawing on the scope of the beer and            DLR       Since the design has not been finalized at this time this
             Plumbing                        soda conduits?                                                                           information is not available.
        7     Mech /     2                   Are there specific locations where heat tracing on pipe will be necessary    DLR / M-E
             Plumbing                        on hydronic or plumbing piping? If so, can you advise where. Also, if
                                             there is heat tracing, will the complete scope of that work be part of the
                                             Mechanical / Plumbing proposal or Electrical proposal

        8     Mech /     3                   The specifications reference underground hydronic piping. I don’t see        DLR / M-E
             Plumbing                        where this would be located. If underground piping will be required, can
                                             you advise where?
        9     Mech /     3                   Drawing M1.4 indicates air handler zones as AHU 1-6 and 2-3 but these        DLR / M-E
             Plumbing                        are not included in the equipment schedule. Can you provide any
                                             information on the air handlers and where they are located for these
                                             zones?
       10     Mech /     3   Mechanical      Clarify if the "Food Service Matrix" & "Plumbing Fixture/Drain Quantity      DLR / M-E
             Plumbing        Pricing File    Matrix", issued on March 16th, is applicable to this RFP, or if a revised
                                             matrix will be issued.
       11     Mech /     3   M6.3            Clarify locations and capacity for "Superheat" fan coil units required for   DLR / M-E
             Plumbing                        uniform drying sequence of operations.
       12     Mech /     3   MEP0.1          Clarify if the 4-pipe fan coil units scheduled for the event level main      DLR / M-E
             Plumbing                        electrical rooms also serve the event level COMM Rooms illustrated on
                                             the ES drawings, or if additional fan coils are required for the COMM
                                             rooms.


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Question #   Section    RFC Reference         Question / Clarification                                                     Responder Response
       13     Mech /     3   M1.2            Unit heaters 2C01 and 2D01 are scheduled, but not located on the              DLR / M-E
             Plumbing                        plans. Is the intent for these to be located in the respective quad mech
                                             mezz rooms?
       14     Mech /     3   23 00 00, 3.3   Does each Suite require a 4-pipe fan coil unit in addition to the exhaust       Mort      No
             Plumbing                        illustrated on M1.4?
       15     Mech /     3   23 00 00, 3.3   Does the Main Mechanical room on the event level require a 4-pipe air         DLR / M-E
             Plumbing                        handling unit for space conditioning, or are the (2) 4-pipe fan coil units
                                             scheduled on MEP0.1 all that is required?
       16     Mech /     3   23 00 00, 3.3   Clarify location of Stairwell wall-mounted DX split system Fan Coil Units     DLR / M-E
             Plumbing                        and associated condensing locations and capacities.
       17     Mech /     3   23 00 00, 3.3   Other than the fan coils scheduled on MEP0.1, clarify a quantity and          DLR / M-E
             Plumbing                        capacity of 4-pipe fan coil units required for "Miscellaneous Areas" listed
                                             such as First Aid, Pantries, and Trash.
       18     Mech /     3   23 00 00, 3.3   Other than the hot-water Unit Heaters and Cabinet Unit Heaters                DLR / M-E
             Plumbing                        scheduled on MEP0.2, clarify a quantity and capacity of hot-water
                                             heaters required in spaces along the perimeter wall that do not require
                                             cooling.
       19     Mech /     3   23 00 00, 3.3   Clarify location of areas with Air-cooled condensing units that require       DLR / M-E
             Plumbing                        ventilation.
       20     Mech /     3   23 00 00, 3.3   Clarify locations where transformers may be located in internal vaults,       DLR / M-E
             Plumbing                        which require ventilation, along with exhaust fan capacity.
       21     Mech /     3   23 00 00, 3.4 & Provide location for DX condensing unit serving fan coil in the               DLR / M-E
             Plumbing        Sheet M0.2      Scoreboard control room.
       22     Mech /     3   23 00 00, 3.4   Clarify location of press areas with rack systems requiring DX fan coil       DLR / M-E
             Plumbing                        units, along with locations and capacities for the associated condensing
                                             units.
       23     Mech /     3   23 00 00, 3.4   Clarify location of server rooms requiring (2)DX fan coil units each, along   DLR / M-E
             Plumbing                        with locations for the associated condensing units.
       24     Mech /     3   23 00 00, 3.4   Clarify if the elevator machine rooms requiring DX fan coils are located      DLR / M-E
             Plumbing                        at the event level, along with locations for the associated condensing
                                             units.
       25     Mech /     3   23 00 00, 3.4 & Clarify if the 4-pipe fan coil units scheduled for areas requiring DX fan     DLR / M-E
             Plumbing        Sheet MEP0.1 coil units are redundant, or if the DX fan coil units take the place of the 4-
                                             pipe fcu's. These areas include Security Command & Scoreboard
                                             Control.
       26     Mech /     3   23 00 00, 7.2   Clarify locations and capacity for Fan Powered Boxes.                         DLR / M-E
             Plumbing
       27     Mech /     3   23 05 21, 1.1    Are LEED references to VOC's applicable to this project.                       Mort      No, not at this time.
             Plumbing
       28     Mech /     3   23 05 21, 2.2    Are there limitations on allowable sizes for grooved pipe coupling           DLR / M-E
             Plumbing                         systems?
       29     Mech /     3   23 02 03, 3.8    Are drip pans (insulated or uninsulated) required for branch piping to fan   DLR / M-E
             Plumbing                         coil units serving electrical and comm rooms?
                                                                                                                                                                         16 of 18
                                                                                                                                                               6/13/2011 4:51 PM
                                           NOTE: All proposers are responsible for reading all questions/answers.



Question #     Section     RFC Reference          Question / Clarification                                                        Responder Response
       30      Mech /       3   23 02 03, 3.8     Are drip pans (insulated or uninsulated) required for piping mains              DLR / M-E
              Plumbing                            illustrated on MP1.1 as crossing above main electrical rooms?
       31      Mech /       3   23 73 24          Does the Split System DX air handling units spec apply to DX fan coil           DLR / M-E
              Plumbing                            units reference in 23 00 00?
       32      Mech /       3   23 75 00          Is the "Outdoor air handling units with coils" apply to any equipment           DLR / M-E
              Plumbing                            relative to this project?
       33      Mech /       3   23 84 13          Does the humidifier require a squelch station prior to draining to              DLR / M-E
              Plumbing                            sanitary?
       34      Mech /       3   23 00 00, 2.2     Clarify what quantity and type of utilities will be metered for areas           DLR / M-E
              Plumbing                            designated for the sole use of the University of Nebraska
       35      Mech /       3   23 26 00          Clarify where btu metering stations are required.                               DLR / M-E
              Plumbing
       36      Mech /       4   23 73 21, 1.6     The specification for custom AHU's states that All AHU manufacturers            DLR / M-E
              Plumbing                            shall deliver specific selection data to the bid examiner. Will this specific
                                                  information be required at the designer assist contractor selection stage,
                                                  or later in the design phase?

             Electrical Systems
        1     Electrical    2                     The site drawings show pad mount transformers at two locations,                    DLR       Site plan is incorrect. One-lines issued shall supercede.
                                                  however the narrative and one-line diagram indicates one line up of                         Medium voltage switchgear will be located in same
                                                  medium voltage switchgear. Which is correct? Which location is for the                      vicinity as North West Generator.
                                                  medium voltage switchgear
        2     Electrical    2                     Are there any motorized follow on spot lights required?                            DLR      WJHW to address
        3     Electrical    2                     Are there any strobe lights required?                                              DLR      WJHW to address
        4     Electrical    2                     Are there any theatrical or DMX lighting control interface required? Will          DLR      WJHW to address
                                                  there be any soundinterface for theatrical lighting?
        5     Electrical    2                     Several key notes are shown on the one-line diagrams but are not                DLR / Mort Keynotes missing are as follows: [#6 - Provide Shunt
                                                  clarified in the notes column. Are they detailed or listed in a different                  Trip Breaker with input from Fire Alarm system to shunt
                                                  location?                                                                                  upon activation of the Fire Alarm System.] [#7 - Provide a
                                                                                                                                             Lutron Grafik Eye Dimming Panel (GP-48-ML/MB-20-
                                                                                                                                             GRXAV)]. [#19 - Provide pushbutton EPO clearly labeled
                                                                                                                                             and located in Fire Command Center to de-energize unit
                                                                                                                                             substation.] [Keynote #1 on sheets E0.11 thru E0.17
                                                                                                                                             should be revised to: Provide (48) pole lighting control
                                                                                                                                             relay panel].[Keynote #3 on sheets E0.11 thru E0.17
                                                                                                                                             should be revised to:Connect main electrical room
                                                                                                                                             ground bus to main service switchboards with a 4/0
                                                                                                                                             copper conductor in a 1" conduit.]

        6     Electrical    2                     Are there any CAD or Revit backgrounds available for layout of sports              DLR      Final catwalk layouts and configurations have not been
                                                  lighting and other systems? Documents list a quantity of fixtures,                          100% finalized. Manufacturers are required to bid
                                                  however we would like to see if there would be a different pricing related                  quantities listed in narrative at this time.
                                                  to the approach by the manufacturers.
                                                                                                                                                                                           17 of 18
                                                                                                                                                                                 6/13/2011 4:51 PM
                                      NOTE: All proposers are responsible for reading all questions/answers.



Question #   Section      RFC Reference      Question / Clarification                                                    Responder Response
        7    Electrical    2                 Is there any code sheets available or a listing of square footage and any     DLR     Preliminary code information is available. Mortenson
                                             area separations?                                                                     should be able to supply this.
        8    Electrical    2                 Is the scoreboard going to be supplied with conduit and wiring                Mort     Electrical drawings will provide a single point connection
                                             complete?                                                                             to scoreboard. No other conduit or wiring will be shown
                                                                                                                                   downstream of that on the electrical drawings.

        9    Electrical    3                 I would like to confirm my interpretation of the electrical scope         DLR
                                             document that we are to assume the use of Mortenson provided
                                             temporary distribution equipment, including PDU’s, cords and turtle
       10    Electrical    3                 Where will the power amplifiers be located for the sound reinforcement DLR / WJHW
                                             system? The control room located on the upper concourse area C is not
                                             large enough and the fan noise will be disruptive. We suggest that they
                                             be located on an accessible structure in the catwalk.

       11    Electrical    4                 A generator manufacturer asked about our requirement for a weather-           M-E     We have a line item in our specifications stating 4'-0"
                                             proof enclosure for the generators.                                                   minimum clearances are needed on each side. This item
                                                                                                                                   is for a custom, walk-in enclosure and will not be
                                                                                                                                   required on the project. We are intending to have a
                                                                                                                                   standard, sound-attenuated, weather-proof housing
                                                                                                                                   supplied from the manufacturer. No lights, outlets, etc.
                                                                                                                                   are required in the enclosure.
          Low
          Voltage
        1 Low Voltage      2                 Are there any Broadcast Cable Schedules available?                            DLR     Yes, see schedules issued in Addendum #1.

        2 Low Voltage      2                 WJHW drawings there is not a legend for the symbols on the drawings.          DLR     See attached drawing ES0.00
                                             Could a legend be issued?
        3 Low Voltage      2                 The CATV riser is discussed in the specifications but not included in the     DLR
                                             drawings. Is there a schematic of the riser?
        4 Low Voltage      2                 Should the speaker hoist be a breakout cost on the proposal?                  Mort    Yes, see revised Low Voltage proposal form.




                                                                                                                                                                                18 of 18
                                                                                                                                                                      6/13/2011 4:51 PM
LINCOLN HAYMARKET ARENA                                                                        10-10124-00
LINCOLN, NEBRASKA                                                                        BID PACKAGE _1_


SECTION 312000 - EARTH MOVING - CIVIL


PART 1 - GENERAL


1.1        SUMMARY

      A.   Section Includes:
           1.    Excavating and backfilling for utility trenches.


1.2        DEFINITIONS

      A.   Backfill: Soil material used to fill an excavation.

           1.    Initial Backfill: Backfill placed beside and over pipe in a trench, including haunches to
                 support sides of pipe.
           2.    Final Backfill: Backfill placed over initial backfill to fill a trench.

      B.   Bedding Course: Aggregate layer placed over the excavated subgrade in a trench before laying
           pipe.

      C.   Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill.

      D.   Excavation: Removal of material encountered above subgrade elevations and to lines and
           dimensions indicated.

           1.    Authorized Additional Excavation: Excavation below subgrade elevations or beyond
                 indicated lines and dimensions as directed by Engineer. Authorized additional
                 excavation and replacement material will be paid for according to Contract provisions for
                 changes in the Work.
           2.    Unauthorized Excavation: Excavation below subgrade elevations or beyond indicated
                 lines and dimensions without direction by Engineer. Unauthorized excavation, as well as
                 remedial work directed by Engineer, shall be without additional compensation.

      E.   Fill: Soil materials used to raise existing grades.

      F.   Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical
           and electrical appurtenances, or other man-made stationary features constructed above or below
           the ground surface.

      G.   Subgrade: Uppermost surface of an excavation or the top surface of a fill or backfill
           immediately below subbase, drainage fill, drainage course, or topsoil materials.

      H.   Utilities: On-site underground pipes, conduits, ducts, and cables, as well as underground
           services within buildings.




EARTH MOVING - CIVIL                                                                             312000 - 1
LINCOLN HAYMARKET ARENA                                                                      10-10124-00
LINCOLN, NEBRASKA                                                                      BID PACKAGE _1_

1.3        QUALITY ASSURANCE

      A.   Preexcavation Conference: Conduct conference at Project site.


1.4        PROJECT CONDITIONS

      A.   Utility Locator Service: Notify utility locator service for area where Project is located before
           beginning earth moving operations.


PART 2 - PRODUCTS


2.1        SOIL MATERIALS

      A.   General: Provide borrow soil materials when sufficient satisfactory soil materials are not
           available from excavations.

      B.   Satisfactory Soils: To be determined by Geotechnical Engineer.

      C.   Unsatisfactory Soils: To be determined by Geotechnical Engineer.

           1.    Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of
                 optimum moisture content at time of compaction.

      D.   Engineered Fill: Naturally or artificially graded mixture of natural or crushed gravel, crushed
           stone, and natural or crushed sand; ASTM D 2940; with at least 90 percent passing a 1-1/2-inch
           sieve and not more than 12 percent passing a No. 200 sieve.

      E.   Bedding Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed
           stone, and natural or crushed sand; ASTM D 2940; except with 100 percent passing a 1-inch
           sieve and not more than 8 percent passing a No. 200 sieve.


2.2        ACCESSORIES

      A.   Detectable Warning Tape: Acid- and alkali-resistant, polyethylene film warning tape
           manufactured for marking and identifying underground utilities, a minimum of 6 inches wide
           and 4 mils thick, continuously inscribed with a description of the utility, with metallic core
           encased in a protective jacket for corrosion protection, detectable by metal detector when tape is
           buried up to 30 inches deep; colored to comply with local practice or requirements of authorities
           having jurisdiction.




EARTH MOVING - CIVIL                                                                              312000 - 2
LINCOLN HAYMARKET ARENA                                                                     10-10124-00
LINCOLN, NEBRASKA                                                                     BID PACKAGE _1_

PART 3 - EXECUTION


3.1        PREPARATION

      A.   Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by
           settlement, lateral movement, undermining, washout, and other hazards created by earth moving
           operations.

      B.   Protect and maintain erosion and sedimentation controls during earth moving operations.

      C.   Protect subgrades and foundation soils from freezing temperatures and frost.            Remove
           temporary protection before placing subsequent materials.


3.2        EXCAVATION, GENERAL

      A.   Unclassified Excavation: Excavate to subgrade elevations regardless of the character of surface
           and subsurface conditions encountered. Unclassified excavated materials may include rock, soil
           materials, and obstructions. No changes in the Contract Sum or the Contract Time will be
           authorized for rock excavation or removal of obstructions.

           1.    If excavated materials intended for fill and backfill include unsatisfactory soil materials
                 and rock, replace with satisfactory soil materials.


3.3        EXCAVATION FOR STRUCTURES

      A.   Excavate to indicated elevations and dimensions within a tolerance of plus or minus 1 inch. If
           applicable, extend excavations a sufficient distance from structures for placing and removing
           concrete formwork, for installing services and other construction, and for inspections.


3.4        EXCAVATION FOR UTILITY TRENCHES

      A.   Excavate trenches to indicated gradients, lines, depths, and elevations.

      B.   Excavate trenches to uniform widths to provide the following clearance on each side of pipe or
           conduit. Excavate trench walls vertically from trench bottom to 12 inches higher than top of
           pipe or conduit unless otherwise indicated.

           1.    Clearance: 12 inches each side of pipe or conduit.

      C.   Trench Bottoms: Excavate and shape trench bottoms to provide uniform bearing and support of
           pipes and conduit. Shape subgrade to provide continuous support for bells, joints, and barrels of
           pipes and for joints, fittings, and bodies of conduits. Remove projecting stones and sharp
           objects along trench subgrade.

           1.    Excavate trenches 6 inches deeper than elevation required in rock or other unyielding
                 bearing material, 4 inches deeper elsewhere, to allow for bedding course.

      D.   Trenches in Tree- and Plant-Protection Zones:


EARTH MOVING - CIVIL                                                                             312000 - 3
LINCOLN HAYMARKET ARENA                                                                         10-10124-00
LINCOLN, NEBRASKA                                                                         BID PACKAGE _1_

           1.    Hand-excavate to indicated lines, cross sections, elevations, and subgrades. Use narrow-
                 tine spading forks to comb soil and expose roots. Do not break, tear, or chop exposed
                 roots. Do not use mechanical equipment that rips, tears, or pulls roots.
           2.    Do not cut main lateral roots or taproots; cut only smaller roots that interfere with
                 installation of utilities.
           3.    Cut and protect roots according to requirements in Section 015639 "Temporary Tree and
                 Plant Protection."


3.5        STORAGE OF SOIL MATERIALS

      A.   Stockpile borrow soil materials and excavated satisfactory soil materials without intermixing.
           Place, grade, and shape stockpiles to drain surface water. Cover to prevent windblown dust.

           1.    Stockpile soil materials away from edge of excavations. Do not store within drip line of
                 remaining trees.


3.6        UTILITY TRENCH BACKFILL

      A.   Place backfill on subgrades free of mud, frost, snow, or ice.

      B.   Place and compact bedding course on trench bottoms and where indicated. Shape bedding
           course to provide continuous support for bells, joints, and barrels of pipes and for joints,
           fittings, and bodies of conduits.

      C.   Trenches under Roadways: Provide 4-inch thick, concrete-base slab support for piping or
           conduit less than 30 inches below surface of roadways. After installing and testing, completely
           encase piping or conduit in a minimum of 4 inches of concrete before backfilling or placing
           roadway subbase course.

      D.   Place and compact initial backfill of satisfactory soil, free of particles larger than 1 inch in any
           dimension, to a height of 12 inches over the pipe or conduit.

           1.    Carefully compact initial backfill under pipe haunches and compact evenly up on both
                 sides and along the full length of piping or conduit to avoid damage or displacement of
                 piping or conduit. Coordinate backfilling with utilities testing.

      E.   Place and compact final backfill of satisfactory soil to final subgrade elevation.

      F.   Install warning tape directly above utilities, 12 inches below finished grade, except 6 inches
           below subgrade under pavements and slabs.


3.7        SOIL FILL

      A.   Plow, scarify, bench, or break up sloped surfaces steeper than 1 vertical to 4 horizontal so fill
           material will bond with existing material.

      B.   Place and compact fill material in layers to required elevations as follows:




EARTH MOVING - CIVIL                                                                               312000 - 4
LINCOLN HAYMARKET ARENA                                                                        10-10124-00
LINCOLN, NEBRASKA                                                                        BID PACKAGE _1_

           1.    Under grass and planted areas, use satisfactory soil material.
           2.    Under walks and pavements, use satisfactory soil material.
           3.    Under steps and ramps, use engineered fill.
           4.    Under building slabs, use engineered fill.
           5.    Under footings and foundations, use engineered fill.


3.8        SOIL MOISTURE CONTROL

      A.   Uniformly moisten or aerate subgrade and each subsequent fill or backfill soil layer before
           compaction to within 2 percent of optimum moisture content.

           1.    Do not place backfill or fill soil material on surfaces that are muddy, frozen, or contain
                 frost or ice.
           2.    Remove and replace, or scarify and air dry, otherwise satisfactory soil material that
                 exceeds optimum moisture content by 2 percent and is too wet to compact to specified
                 dry unit weight.


3.9        COMPACTION OF SOIL BACKFILLS AND FILLS

      A.   Place backfill and fill soil materials in layers not more than 8 inches in loose depth for material
           compacted by heavy compaction equipment, and not more than 4 inches in loose depth for
           material compacted by hand-operated tampers.

      B.   Place backfill and fill soil materials evenly on all sides of structures to required elevations, and
           uniformly along the full length of each structure.

      C.   Compact soil materials to not less than the following percentages of maximum dry unit weight
           according to ASTM D 698:
           1.    For utility trenches, compact each layer of initial and final backfill soil material at 95
                 percent.


3.10       GRADING

      A.   General: Uniformly grade areas to a smooth surface, free of irregular surface changes. Comply
           with compaction requirements and grade to cross sections, lines, and elevations indicated.

      B.   Site Rough Grading: Slope grades to direct water away from buildings and to prevent ponding.
           Finish subgrades to required elevations within the following tolerances:

           1.    Turf or Unpaved Areas: Plus or minus 1 inch.
           2.    Walks: Plus or minus 1 inch.
           3.    Pavements: Plus or minus 1/2 inch.


3.11       FIELD QUALITY CONTROL

      A.   Testing Agency: Owner will engage a qualified geotechnical engineering testing agency to
           perform tests and inspections.



EARTH MOVING - CIVIL                                                                               312000 - 5
LINCOLN HAYMARKET ARENA                                                                10-10124-00
LINCOLN, NEBRASKA                                                                BID PACKAGE _1_

  B.   Allow testing agency to inspect and test subgrades and each fill or backfill layer. Proceed with
       subsequent earth moving only after test results for previously completed work comply with
       requirements.

  C.   When testing agency reports that subgrades, fills, or backfills have not achieved degree of
       compaction specified, scarify and moisten or aerate, or remove and replace soil materials to
       depth required; recompact and retest until specified compaction is obtained.


3.12   PROTECTION

  A.   Protecting Graded Areas: Protect newly graded areas from traffic, freezing, and erosion. Keep
       free of trash and debris.

  B.   Repair and reestablish grades to specified tolerances where completed or partially completed
       surfaces become eroded, rutted, settled, or where they lose compaction due to subsequent
       construction operations or weather conditions.

  C.   Where settling occurs before Project correction period elapses, remove finished surfacing,
       backfill with additional soil material, compact, and reconstruct surfacing.

       1.    Restore appearance, quality, and condition of finished surfacing to match adjacent work,
             and eliminate evidence of restoration to greatest extent possible.


3.13   DISPOSAL OF SURPLUS AND WASTE MATERIALS

  A.   Remove surplus satisfactory soil and waste materials, including unsatisfactory soil, trash, and
       debris, and legally dispose of them off Owner's property.


END OF SECTION 312000




EARTH MOVING - CIVIL                                                                        312000 - 6
                                                                     Low Voltage Cost Breakdown
                                                                                                                                           Haymarket Arena
                                                                                                                                              Lincoln, Nebraska

                                                                                                                                                              6/17/2011

   Contractor:                                                                                                                               Required Quantitative
                                                                                    Cost                            $/sf                         Information

Specialty Systems:

                                                                                                                                         quantity of drops, POS, and
   Tele / Data Cabling (Backbone and Horizontal)                                                                                         racks,

                                                                                                                                         quantity of doors controlled
   Access Control System (Equipment & Installation)                                                                                      and associated devices

                                                                                                                                         quantity of cameras and type
   Video Surveillance (Equipment & Installation)                                                                                         and associated devices

                                                                                                                                         quantity of bowl speakers and
   Audio /Sound System (Equipment & Installation)                                                                                        associated equipment

                                                                                                                                         Describe quantities of JBT's
   Broadcast Cabling System (Equipment & Installation)                                                                                   and conduits and cabling


   Distributed TV System (Equipment & Installation)                                                                                      quantity of drops and locations


   Speaker Hoist (Lump Sum)


   Other (Specify)




 Total Special Systems:


   Bond:


   Design Assist Services (Lump Sum)


TOTAL LOW VOLTAGE :

   Note : All G.C., preconstruction, BIM, coordination, etc type items should be distributed and included within each of the appropriate line items above.

   Provide Audio Add Alternates as stand alone turn key
   installations:



   Hospitality Lounge:

   Rest Rooms on each level:

   Ticket Offices:
                                                                   Structural Steel Breakdown                                                                Haymarket Arena
                                                                                                                                                              Lincoln, Nebraska

                                                                                                                                                                         6/17/2011

   Contractor:


                                                                       Quantity / Tons                Unit Cost ($)                        Total Cost
Structural Steel Items:



   Long-span Roof Primary Trusses



   Long-span Roof Secondary Trusses



   Long-span Roof Infill Framing



   Catwalk System



   Floor Framing & Columns



   Secondary Steel: curtainwall support, etc.                      See allowance below



   Steel Embeds



   Roof Deck



   Composite Deck


Allowances:


   Include allowance of 27 tons for canopy steel framing



   Include allowance of 1,550 SF for canopy roof deck



   Include allowance of 119 tons for secondary support steel




Erection Costs:



   Erection


 Subtotal Structural Steel


   Bond:



   Connection Design



   Design Assist Services (Lump Sum)



TOTAL Proposal Amount :



   Note : All G.C., preconstruction, BIM, coordination, etc type items should be distributed and included within each of the appropriate line items above.

				
DOCUMENT INFO