RFI 4 QA - W9127Q-20-B-0024 Bldg 181 Small Air Terminal.pdf

W9127Q-20-B-0024 B181 Small Air Terminal, #LRXQ172401

REQUEST FOR INFORMATION (RFI) #4

15 September 2020

(reference attached drawing A1.0 and D1.0)

13. Question: Would the Government please consider granting an extension of the due date?

Answer: We are aware this is a short suspense date for such a large project. But due to year end on 09/30/2020, this due date is the absolute latest we can have without jeopardizing award of this project all together in FY 2020. Bids shall remain due 09/21/2020 @ 10AM

14. Question: clarify the Term Bar repairs. It says see spec, but in the roofing spec we cannot find any reference.

Answer: Contractor to install new termination bar at locations shown on drawings.

In section 075400 Thermoplastic Membrane Roofing, under 2.06 Accessories, add letter “L”:

L. Edging and Terminations: Manufacturer’s standard edge and termination accessories.

1. Snap on Edge System

2. Anchor Bar Fascia System

3. Drip Edge

4. Coping

5. TPO Coated Sheet Metal

6. Termination Bar

15. Question: Are roof anchors required to be installed? Spec has them, but I see nothing on plans.

Answer: Lifeline tie-backs are not required if they are not present in the existing construction.

16. Question: Gutter is mentioned in the spec to be stainless steel; plans call for prefinished. Please clarify which is correct?

Answer: Edit Specification Section 076200 Sheet Metal Flashing and Trim, subsection

2.05 Gutter and Downspout Fabrication to read as follows (see Amendment #2:

A. Gutters: Gutters shall be fabricated from sheet metal at gauge given below. Finish shall match metal trim and metal panels. Fabricate to cross section indicated, complete with end pieces, outlet tubes, and other accessories as required. Furnish flat-stock gutter spacers and gutter brackets fabricated from same metal as gutters, of size recommended by SMACNA but not less than twice the gutter thickness. Fabricate expansion joints, expansion joint covers, and gutter accessories from same metal as gutters. SMACNA rectangular profile, Figure 1-2, Style A, gauge as follows:

1. 8"x 8" or larger: 22 gauge.

2. Smaller than 8" x 8": 24 gauge.

B. Downspouts: Profile as indicated.

C. Gutters and Downspouts: Size as indicated.

D. Accessories: Profiled to suit gutters and downspouts.

1. Anchorage Devices: In accordance with SMACNA (ASMM) requirements.

2. Gutter Supports: Brackets

3. Downspout Supports: Supports as indicated in the drawings.

17. Question: Sheet C4.0 reference points #PT-4 & PT5 indicates only 51 linear feet of chain link fence. Is this the only new fencing required for the entire project?

Answer: Yes. That is the only fencing in the project. See Mechanical Yard scope and details in drawing for chain link enclosure top.

18. Question: Sheet LS1.0 shows landscaping legend, tag “B” as a flowering shrub but with three different types listed as possible plants. There is no tag “A” or tag “C” shown on the landscaping plan. Will there be a need for irrigation of these plants once installed? Please advise.

Answer: Tag A or C are not used. No permeant irrigation is shown in the documents.

Contractor to refer to specification section 329000 for requirements regarding installation, watering, and warranty of landscaping.

19. Question: Room 107 on sheet E1.2 shows a dual compartment flush mount raceway. Please provide specifications and drawing details.

Answer: See Amendment #1. Floor raceway keynote #5, add “Contractor shall demolish existing slab to install metal raceway flush with floor, Leviton “Walkerduct” or equal with all appropriate fittings and accessories.”

20. Question: The proposal form shows Line item 0002 unit price as “Communications.”

We are presuming this breakout pricing is pertaining to the equipment, material and labor for all items under Div. 271005 only. Correct?

Answer: This line item should include all, wiring, equipment and labor under division 27 10

05. Base bid shall include raceways with pull strings.

21. Question: comparison of the plumbing waste drawing (P1.0) to the demo drawing (D1.0) and floor plan (A1.0), there are areas of the slab not shown to come out yet there are piping to install under the slab. There are also areas shown on sheet A1.0 to receive new concrete slabs but no slabs being removed on D1.0. There are also areas shown on D1.1 where slab sections are being removed yet on A1.0 no new slab shown. Please advise.

Answer: See attached updated D1.0, A1.0, and P1.0 for additional slab removal and slab infill areas. Proposed slabs shown on A1.0 on A1.1 are both infill for new plumbing, and where existing slabs are not present due to layout and floor level changes. Slab removal shown on D1.1 are for mechanical chases – refer to sheet A1.2. See Amendment #2

22. Question: In the specifications, do not see a spec for the metering. Part #’s are given, but not aware of any accessories that go with the metering. Metering NODE shown on E0.3

Answer: There are no accessories required with metering. Electrical Contractor will need to coordinate communication protocol option with Mechanical Engineer prior to purchase. Typically Modbus or BACnet protocol.

23. Question: On plan drawing “FP2.0” the legend at the bottom of the page references to a “Dry pipe system in attic, covered walkways and covered drive” but plan drawings “FP1.0” and “FP1.1” do NOT indicate that there is any in the project. Is there a dry pipe system to be installed that is omitted from the plan drawings?”

Answer: There is no dry pipe system in the project.

24. Question: The list for complete bid package items reads, “Section 00600 Representations and Certifications”. It appears in the Solicitation it is section 00 45 00.

Answer: Technically, 00 45 00 is how the solicitation is built in our database & where the submitted reps & certs belong. 00 45 00 = 00600

25. Question: Owner to remove all electrical appliances & loose furniture prior to demolition?

Answer: Yes. The government will remove those items.

26. Question: Sheet D1.0 – demolition note #4 indicates to remove existing gypsum board walls. Tag #4 at room 108 & 109 are non-existent. All existing interior walls appear to be CMU block. Please confirm location of gypsum board walls.

Answer: Remove Demolition Note #4 as there are no interior gypsum board partitions. At all locations noted with Demo Note #4, replace with Demo Note #16. See Amendment #2

27. Question: Sheet D1.0 – demolition note #22 – not possible to keep electrical conduit intact based on relocation requirements. Must provide new.

Answer: Note #22 says “Remove Primary Electrical Conduit - Keep Cableing Intact For

Relocation.” Sheet ED1.2 Demolition Keynote 5 says “…Disconnect main distribution panel conductors. Leave conductors and conduit in place…” Conductors and conduit shall be removed instead of remaining as stated above.

See sheet E1.2 Keynote 2 for location of new conduits and new cable requirements.

28. Question: Landscape plan and Exterior Elevation sheets refer to “AS1.0” sheet.

There are no “AS” sheets in this set. Please advise.

Answer: See Civil sheets for items noted as on sheet AS1.0.

29. Question: The notes for the new ceiling do not match the finish schedule or the demo plan. Please confirm.

Answer: Not enough information provided to answer. Provide more information regarding specific sheet numbers, room numbers, etc.

30. Question: From what we are seeing on the architectural sheets all existing CMU walls that are staying have furring channel for installation of electrical. One thing we need to confirm is that surface mounted conduit is acceptable in the shop areas. Please advise.

Answer: Surface mounted conduit is acceptable in support areas (i.e. Mechanical/ electrical rooms, storage rooms, back of house areas). No exposed conduit shall be present in any public area, corridors, or office space – typical.

31. Question: Elevation 18/A11.1 indicates a wall material type at the handrail location referencing sheet MA8.4… we do not have this sheet. Please advise.

Answer: Delete this reference marker. That detail is no longer in the project. See

Amendment #2

REQUEST FOR INFORMATION (RFI) #3

09 September 2020

(See drawing A1.1, A1.3, and A5.3 for questions 6-12)

6. Question: Sheets A1.1 and A1.3 basically the same sheet -Section 2/S203 and structural plan shows 9 columns; the plan on A1.1 shows 10 columns and turns the corner on the left side. We will not do the pipe and angles that fasten to the fencing at the columns and the walls where there is no steel.

Please advise if the column count is correct at 10 and the screen turns the corner.

Answer: Columns per Architectural sheets. See attached revised plan sheet S101.

See AMEND 1 DRAWING - B181 S101 Rev 1-09112020 as part of Amendment #01

7. Question: Drawing S102 - What is the framing on plans at the canopy at grids 7 & 8 and G, H & J?

Answer: See attached revised plan sheet S102.

See AMEND 1 DRAWING - B181 S102 Rev 1-09112020 as part of Amendment #01

8. Question: Are phase 2 and 3 separate bids?

Answer: No, The project is a single, lump sum bid.

9. Question: Roof framing plan S103 - The tube steel 16'- 3" left of the 1 and between A & C grid shows a TS 2 x 2 x 1/4 however section 3/S302 shows TS 18 x 6 x 1/4. Are all 18X6 TS the same thickness?

Answer: Yes, all are HSS18x6x1/4

10. Question: Roof framing plan S103 - 2/S103 says 3 per side, is this a total of 9 L shaped frames?

Answer: Yes.

11. Question: S101 Foundation drawing and S102 columns lines F* and 8.2* Does this beam bear on the wall at one end?

Answer: No. The beam frames into the existing column

12. Question: S102 East elevation what is the beam framing on the canopy grids 6 and 7 and G. H and I?

Answer: See answer to question #7.

REQUEST FOR INFORMATION (RFI) #2

08 September 2020 POSTED 10 September 2020

3. Question: Roofing:

a) The termination replacement. Is that all were doing is pulling off old and installing new?

No other work in those areas?

b) Roof plans show 80 Mil TPO on new canopies. I see 60 in spec? please clarify.

c) On the walls to remove metal coping and reflash. Are they raising or lowering walls?

How high will they be?

d) Need to know manufacturer of existing roofs.

e) Any photos of the roof available?

Answer: a) Termination Bar - Contractor to install new termination bar at locations shown on drawings. See documents for full scope of roofing repairs.

b) 60 mil is correct.

c) There are no changes to the wall height.

d) See attached roof warranty.

e) No photos are available. Contractor may visit site to inspect roof.

4. Question: Fire Sprinkler

a) The specs state that we should follow the flow tests that are provided on the drawings but we have not been able to locate the flow test on any of the drawings that we’ve been through. Can you provide the most recent flow test results?

b) Can you provide us with any as-builts on the existing sprinkler system? We will need this to determine what portions of the sprinkler system will remain and what will need to be demo’d.

Answer: a) See attached flow test.

b) There is no existing sprinkler system.

5. Question: Fire Alarm

a) Where is the Central Station that the Fire Alarm is reporting to?

b) We were unable to attend the site visit and have not found information on an existing fire alarm system in the building. Does the building currently have a fire alarm system? Our subcontractor was in attendance and has some pictures that we may be able to determine fire alarm location. But in case, please advise.

c) If the building does have an existing fire alarm system in it, will it need to remain in service while construction is going on?

Answer: a) The fire alarm system will report to the Fire Station through the existing

Monaco transceiver.

b) The existing fire alarm system will be replaced in its entirety. The new system will connect to the existing Monaco transceiver. The existing

Monaco transceiver will be relocated to be adjacent to the new fire alarm panel.

c) The existing system will not have to be in service during construction.

See ATTACHMENTS - RFI 2 QA - Fire Sprinkler Flow Test-B181 03-14-19 RFI 2 QA - B181 Roof Warranty

REQUEST FOR INFORMATION (RFI) #1 POSTED 01 September 2020

28 August 2020

1. Question: Do all subcontractors we might use for our bid have to be registered in the SAM system?

Answer: To best of our knowledge, Subcontractors do not require SAM registration.

However, note the provisions and clauses. Be sure subcontractors are within the standards called for by these various provisions and clauses. Subcontractors cannot be debarred or otherwise in negative standing with the federal government.

2. Question: is this a federally funded project on federal land?

Answer: Yes, it is; this project is federally funded for the MS Air National Guard 172nd Airlift Wing in Flowood, MS, which is on leased property and is thus considered federally controlled property.

REMINDER:

1. Proposal Due Date – Monday, September 21, 2020 @ 10:00 AM (CST)