RFP_Q_and_A_Group_2_11_21_2012.pdf

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

Potomac Annex Complex

Building 1 Renovation - GROUP 2

Questions Concerning Specification and Drawing Sections

1. Specification Section 230993 Sequence of Operation for HVAC is missing from the spec package.

Please Provide ASAP.

ANSWER: Sequence of Operation is provided on sheet M-801.

2. The specs refer to ASI signs & Precision Signs. Please provide the Modular Sign System “name” (Interior 20?)

ANSWER: Signs are custom and as per the drawings. There is no specific line associated with the design.

3. On page A-705 HB-1 location is throughout. In the specification book it says only in conference rooms and offices. Please advise

ANSWER: Horizontal blinds HB-1 are located throughout as indicated on A705.

4. Note D2 on A-101 indicates floor slab removal at walls along column line 8. Drawing s-111 indicates no footings required. Which drawing is correct?

ANSWER: Please see response to question 21 regarding sheet S-111.

5. Construction Key 8 on A-111 indicates a new structural post. Drawing S-101 shows no post. Which is correct?

ANSWER: Please see response to question 21 regarding sheet S-111.

Questions Concerning Equipment and Product

6. IT Equipment Rack Schedule - Drawings/Specification Reference(s): E-111- Please clarify the

Governing Contract Documents referenced below by supplying the requested additional information and/or resolving the apparent discrepancies, errors, or omissions we have identified by listing below.

Please Advise: that each receptacle is requiring a super neutral wire sizes #8 & #6. The code requires only#10 and smaller shall be under a binding screw.

ANSWER: If (1) branch circuit is routed to (1) receptacle in (1) raceway, a #12AWG neutral shall be provided. If (2) or more circuits are routed to the receptacles in (1) raceway with a shared neutral, the 200% neutral sizes shall be used. The wiring schedule on Dwg. E-111 shows (2) receptacles for each rack, with (2) circuits each having the conductors as shown.

Note: the #6AWG neutrals will be revised to #8AWG to facilitate conductor connections which can be provided with #8AWG spade terminals.

7. 23 31 13 Factory- or Shop-Applied Antimicrobial Coating for Metal Duct or Duct Liner – is Antimicrobial coating is required for this project?

ANSWER: Yes.

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

8. Drawing E-002 – Note # 2 Indicates to remove and replace service feeders for Building #1 The note references 4 sets of feeders. Is this note supposed to reference only 1 set of feeders to Building #1?

Please clarify.

ANSWER: There is (1) service feeder to Bldg. #1 that originates in the 4000A switchgear, consisting of (4) sets of conductors in (4) conduits.

9. Please confirm that we are only providing conduit, boxes and cable tray for IT & telecommunications work. Is all telecom equipment and wiring furnished and installed by others?

ANSWER: All work shown on the amendment drawings is to be provided and installed by the contractor unless indicated otherwise. Division 1 scope of work delineation will be corrected.

10. Please confirm that we are only providing conduit and boxes for all security work. Is all of the security equipment and cabling furnished and installed by others?

ANSWER: All work shown on the amendment drawings is to be provided and installed by the contractor unless indicated otherwise. Division 1 scope of work delineation will be corrected.

11. Spec Section 232300 Part 3.1.A states that all copper piping must have brazed or soldered joints.

Please confirm that mechanical joints are an acceptable substitute.

ANSWER: No. All copper piping is to be brazed or soldered.

12. M-201: Please provide pipe sizes between equipment noted as CU-B and DSS-B.

ANSWER: Pipe size is provided from the equipment manufacturer based on total length and number of fittings.

13. M-202: Please provide pipe sizes between equipment noted as CU-3/CU-4 and MUA-1/MUA-2.

ANSWER: Pipe size is provided from the equipment manufacturer based on total length and number of fittings.

Questions Concerning Sprinklers

14. As per NFPA 13 sprinkler heads are required at the top of stairways. Drawing FP-117 does not show heads at these locations. Please clarify.

ANSWER: Stairways in Building 1 will be combustible construction; the drawings will be changed to reflect sprinkler coverage beneath all of the stairways, not just at the top.

15. Room 1-B02, 1-B04, and 1-B06 on Drawing FP-111 do not show any sprinkler work being provided.

Please confirm this is not part of the scope.

ANSWER: Room 1-B02 is not part of the scope. Rooms 1-B04 and 1-B06 are part of the scope and will be provided with upright sprinklers as shown on FP-111.

16. Porch #1, located at column lines F-7 and F-8, and Porch #2, located at column lines F-3 and F-4, on Drawing FP-113 do not show any sprinkler work being provided. Please confirm these areas are not part of the scope.

ANSWER: Sprinkler coverage will not be required under the exterior porches.

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

Questions Concerning DDC Controls

17. Who is the existing DDC Control Contractor for the Building?

ANSWER: Not applicable in this project

18. Who are the acceptable DDC Control Contractors for this project?

ANSWER: Not applicable in this project

19. Specification Section 230900 DDC Controls is missing from the spec package. Please Provide ASAP.

ANSWER: Section 230900 not required.

Questions Concerning Amendment 1

20. AMENDMENT 01 Narrative:

1) A-102, A-104 and corresponding drawings – these drawing were not provided. Please provide drawings, narrative and more information/list for the corresponding drawings.

ANSWER: The narrative identifies the design change, and does not necessarily list each drawing affected. Those drawings contain corresponding clouds and delta at those locations.

2) M-202 Keynote is graphically added to refrigerant lines serving MAU-1. – M-202 was not provided - please advise

ANSWER: This change was not incorporated for the amendment; however, it is graphically clear the lines serving MAU-1 so this should not be a scope change.

3) S-113 Structural foundation dimensions at exterior ramp modified. Looks like note 2 was added – please advise

ANSWER: Structural foundation dimensions at exterior ramp have been modified to reflect the increase in width of the intermediate landing. Note 2 has been added to accommodate the extent of wall to exist at the stair/elevator lobby.

4) A-113 and corresponding sheets – please provide narrative, and more information/list for the corresponding drawings - There’s also a blank clouded area on the drawing? Please provide missing info.

ANSWER: Blank cloud in this case is a removed detail, which was included in the original RFP drawings. See comment to #1 regarding corresponding sheets

5) C-200 Construction access route changed from north gate to south gate – Do we still provide protection for the north plan?

ANSWER: Yes

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

6) A-111 Replacement of weather sealing added at basement windows – Please provide specs.

ANSWER: Amendment specifies a specific type of weather stripping (zinc type) and is normally included as a small part of a window specification and not covered in its own specification section per Masterspec and industry standards. The weather stripping will require contractor to install into existing window frames and field verification of inner frame profile will be required.

7) A-111 Waterproofing added to select areas along basement walls – Please provide specs.

ANSWER: Crystalline is specific type of waterproofing which is to be installed per manufacturer written instructions. No specification should be needed for pricing.

8) A-111 and corresponding sheets – Please provide a list of the corresponding drawings.

ANSWER: Narrative is not intended to indicate each sheet by number, but to communicate the actual design change, which may be illustrated on other sheets as well.

21. AMENDMENT 01 Drawings – there was 40 drawings provided in amendment 01, the narrative was very brief on what was changed/added etc. – Please provide a more detail narrative.

The below list of drawings was not addressed at all in the narrative - please provide a detailed narrative of the changes/adds for the follow drawings:

A-101, A-103, A-114, A-115, A-117, A-132, A-133, A-402, A-404A, A-405, A-503, A-601, A- 704, S-111, S-114, S-115, S-116, S-301, S-401 & S-402.

ANSWER: Intent of Narrative is to not have to outline each and every sheet, but to indicate what changed in the design. This does not affect pricing for the bid. Notably below lists more detail on the changes for the structural sheets for information purposes.

S-111: Due to the change in the extent of walls at the stair/elevator lobby above, the tube steel columns and foundations originally added at the clouded locations have been removed and the extent of existing masonry wall revised to reflect the change in extent of demolition.

Please note that new foundations will need to be provided below the slab, one at the intersection of the west corridor wall and the wall parallel and just to the north of grid line 8, and one at the intersection of the east corridor and grid line 8. These new foundations will be shown on the set of documents issued for construction.

S-114: The extent of stair infill has been revised to reflect the retention of the intermediate stair landing and the stair leading from the first floor to the intermediate landing. Since the drawing amendment was issued, it has been determined that the entire intermediate landing will be retained. This will be reflected in the set of drawings issued for construction.

S-115: The new W16x45 steel beam and supporting tube steel columns have been removed as a result of the change in extent of walls at the stair/elevator lobby. The existing (assumed) steel beams and the new LVL beams will now be supported from the first floor walls at the stair/elevator lobby that have been retained.

S-116: Section cuts referencing sections B, C, and D on drawing S-402 have been removed as a result of the change in extent of the sliding glass panel wall.

S-301: Section E on drawing S-301 has been revised to coordinate the overhang of the precast cap and the wall below at the ramp with the architectural drawings.

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

S-401: Sections H, J, and K on drawing S-401 have been noted as “Not Used” as these sections originally detailed connections to and support of the W16x45 steel beam that was removed from drawing S-115.

S-402: Sections B, C, and D on drawing S-402 have been noted as “Not Used” as these sections originally provided details for the support of the sliding glass panel wall, the extent of which has been revised.

Questions Concerning Other Sections

22. 230593 - 3.13 states that additional TAB is required within 90 days of TAB completion in order to ensure that balanced conditions are being maintained. What systems need to be retested? What percentage of the system(s) must be re-tested?

ANSWER: MAU-1 and MAU-2 shall be retested. 25% of the VRF units shall be verified.

23. Lobby 1-100 wall display –

Will complete shop drawing be supplied for this sign?

ANSWER: A complete sign shop drawing will need to be submitted.

Is the SS logo machined cast or is the logo applied to a stainless steel backer?

ANSWER: Machine cast

What is the thickness of the seal and letters?

ANSWER: Seal and letter to be ¼” minimum thickness.

24. Section G and H on S-301 indicates 12” poured walls are to be installed from the basement floor to the footing level 6’ below the basement floor along column lines 3 and 4. Is this area currently excavated or do we excavate down 6’ below the basement floor, install the footing, and then install the 12” concrete wall. If excavation is required, what fill material should be used and to what extent can we cut the basement floor slab in order to install the cast in place walls.

ANSWER: The walls are located in the crawl space below the basement slab on the south end of the building. We assume that the existing footing has about 12” of soil on top of the existing foundation in the crawl space that will require excavation.

25. Detail 3 A-402 closes up a window. Do we need to do anything special to the walls that face the exterior or should we install the 8 mil obscure film before work begins.

ANSWER: the 8 mil film will need to be applied prior to installing the wall sheathing. No additional work to the existing wall is required.

26. Details 2, 3, 4, and 5 on A-131 indicates a full batt insulation in the floor system. Is the batt insulation a full 10” and does this occur at every ceiling.

ANSWER: The batt insulation at each floor assembly is unfaced R-19 so thickness is not intended to fill the framing cavity. This occurs at all framed floors.

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

27. Please indicate where detail 4 A-131 is located. The detail shows that a 5/8” layer of drywall is attached to framing and cove lighting is attached at the sides. This detail will not allow an attachment of the cove lighting to the drywall, we will need framing to attach the drywall to which will support the cove lighting. Please indicate where this is located and a new detail.

ANSWER: Framing is shown on the detail, however, the line work disguising the vertical stud or base track may or may not be clear to the reviewer. Yes framing is required to support the cove lighting.

28. Drawing M-102 indicates removal of air conditioning units. IS any repair required of the windows once removed.

ANSWER: Units should be installed in windows without alteration of window frame.

Contractor shall assume that screw holes for AC unit brackets need to be filled in.

29. Are the exterior concrete pads that hold the existing condensing units that are being removed during demolition need to be removed. Please provide a drawing.

ANSWER: Yes, pads and dunnage removal is part of the demolition of the equipment itself providing it exists only to raise the units.

Questions Concerning Contracts/Proposals/Bids/Format

30. Is a Bid Bond required? What are the requirements?

ANSWER: No bid bonds are required for this project.

31. Will the bid date be extended?

ANSWER: Yes. The proposal due date has been extended to Monday, December 3 rd , 2012 at 12:00

PM NOON, local time at the address designated for receipt of bids at GSA/NCR/ROB, 301 7 th Street, SW, Room 1927 (BID ROOM), Washington, DC 20407. PLEASE NOTE THE CHANGED TIME TO

12:00 PM NOON.

32. Technical Proposal - Factor 2 -- Past Performance of Firm on Projects, Will previously submitted past performance questionnaires be allowed in lieu of submitting the required GC Reference Form (Attachment 1)?

ANSWER: No. The required GC Reference Form (Attachment 1) must be sent to your firm’s references. This questionnaire should be completed and sent directly to Denise Avery-Craft by email: denise.avery-craft@gsa.gov. The offeror should not handle the completed questionnaire.

This is to ensure that all offerors are evaluated fairly by using the same criteria and form. In addition, the forms must be kept confidential to ensure a fair and accurate evaluation of the offeror.

33. Is this project tax-exempt? Please clarify.

ANSWER: Yes. The Government is not a taxable entity.

34. Can the title page (required on page 11 of 32 of the solicitation) be excluded from the page count or both the Price Proposal and Technical Proposal?

ANSWER: Yes. On Page 5 of 32 in C201 in section 11.B Proposal Format states: “Cover page(s), table of contents, section tabs and cover letter do not count against the page limit.”

mailto:denise.avery-craft@gsa.gov

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

35. Paragraph II.B. Proposal Format (page 5 of 32 of the solicitation) states we need to use 1 1/2 line spacing. Can text boxes, figures and tables be excluded from the 1 1/2 line spacing requirement?

ANSWER: No. All text should be Times New Roman 12 point and 1.5 line spacing. This includes all text boxes, figures and tables that are submitted. These items are also counted in the page count of no more that 80 double sided pages.

36. Evaluation Factor 2: Past Performance of Firm on Projects states we are to provide a GC Reference

Form (Attachment 1) for each reference. Would it be acceptable to submit a previously completed federal performance questionnaire in lieu of Attachment 1?

ANSWER: The required GC Reference Form (Attachment 1) must be sent to your firm’s references. This questionnaire should be completed and sent directly to Denise Avery-Craft by email: denise.avery-craft@gsa.gov. The offeror should not handle the completed questionnaire.

This is to ensure that all offerors are evaluated fairly by using the same criteria and form. In addition, the forms must be kept confidential to ensure a fair and accurate evaluation of the offeror.

37. Page 5 of 32 of the solicitation states we should submit the proposal to the GSA Regional Office building, National Capital Region, 301 7th Street, SW, Washington, DC 20407, Bid Room 1928;

however, block 8 of the Standard Form 1442 state we should address the offer to GSA, Office of Project Delivery (WPC), 301 7th Street, SW, Room 2002, Washington, DC 20407. Can you please confirm the correct address for proposal submission?

ANSWER: The delivery of your proposal submission should be to the Bid Room 1928 at GSA/NCR, 301 7th Street, SW, Washington, DC 20407.

38. Page 6 of 32 of the solicitation states, "The Price Proposal shall consist of the SF 1442 and the Agreement, with prices and/or rates indicated for each price element shown on the pricing form included in Section II of the Agreement, including an itemized price proposal breakdown by discipline."Are we required to return all 32 pages of "The Agreement" with our proposal or only Part II.B – Contract Price Form (Pages 6 and 7) of "The Agreement".

ANSWER: The entire Agreement is required to be in the Price Proposal submittal. Please ensure that the pricing form in the Agreement has been completed filled out and included in the Price Proposal.

39. Part II.E - Other Information to be submitted with the proposal (Page 6 of 32 of the solicitation) requires us to submit (1) Representations and Certifications as well as (2) Qualifications of Offerors. Due to page limitations in the Technical Proposal, would it be acceptable to include this information in the Price Proposal?

ANSWER: Yes. The Representations and Certifications, and the Qualifications of Offerors is allowed to be submitted in the Price Proposal.

40. Can you please confirm what information is required to be submitted under "Other Documents as

Required" (page 5 of 32) SEE PAGE 6 OF 32 OF THE SOLICITATION - THIS SECTION IS FOR ALL DOC IN

II.E

ANSWER: The “Other Documents as Required” will include all of the forms in Attachment 7, the Representations and Certifications, and Qualifications of Offerors, which will be located in the Price Proposal.

mailto:denise.avery-craft@gsa.gov

Amendment No. 3 to Solicitation GS-11P-12-MK-C-0055 11/21/2012

41. Can you please clarify where the forms provided in Attachment 7 should be included in our proposal?

Attachment 7 Forms: Certificate of Procurement Integrity Signature Authority Standard Form LLL, Disclosure of Lobbying Activities GSA Form 527

All documents shall all submitted in the Price Proposal.