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This document is an amendment to a solicitation for siding and roof replacement services at the Power Service Building of the Denver Air Route Traffic Control Center in Longmont, Colorado. The Federal Aviation Administration Southwestern Region is seeking bids to replace the siding and roof of the specified building, with responses due by June 30, 2023. The amendment provides additional details on pricing requirements, clarifying that bids should include separate line items for materials, labor, equipment, and any applicable taxes. It also notes Davis-Bacon Act prevailing wage determinations apply and requires bidders to certify they are able to comply with relevant regulations around payment of prevailing wages.

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Other files

File Type Posted
1. Specifications.pdf PDF
3. Wage Determination.pdf PDF
4. Past Performance Survey Form.doc DOC document
2. Drawings.pdf PDF
697DCK-23-R-00489.pdf PDF

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THE FOLLOWING ARE RESPONSES PROVIDED TO CONTRACTOR RFIS:

RFI #

1. In reference to Doors PBS-13 is the existing

Jamb Aluminum? If so it might be difficult to replace the jamb and it doesn’t have a note to reuse existing jamb. Please advise

2. Is it anticipated to have any door jambs replaced?

3. If door jambs are replaced, is grouting jamb required?

4. There isn’t a painting spec, are we going to need to paint any and all door frames?

5. The two decks on the west roof plan will it be required to have new R-30 insulation over the sloping metal decks?

6. The three decks on the east roof plan only requires repairs?

7. On the expansion joint repair calls out for ¼” densdeck added to the wall assembly, does this install cover the whole wall in order to match evenly or only above the expansion joint area?

RESPONSE #

1. Response: Drawing ZDV-21003287-A807 where it is listed to replace the frame you would also replace door jambs. Replace entire frame for PSB-13

2. Response: Drawing ZDV-21003287-A807 where it is listed to replace the frame you would also replace door jambs

3. Response: Standard steel frames, including fire rated frames, do not require grout unless the frame manufacturer’s fire protection listings indicate such.

4. Response: Door frames will need to be restored to conditions prior to construction. This may include touchup painting over scratches. Match colors as closely as possible or use an approved selection from COR.

5. Response: Existing TPO roofing assembly has R-30 insulation in all locations. Work in west roof area only requires new vent caps and fall arrest certification – See Sheet notes. No new roofing is required.

6. Response: See sheet notes 1 – 9 for work required in east roof. Work includes expansion joint repair, TPO walkways, and some electrical work.

7. Response: The ¼” densdeck must be installed to a height at least 12” above the top of north and south parapet walls (Note #6 in expansion joint repair notes).

This height must run entire span of expansion joint from parapet-to-parapet.

697DCK-23-R-00489 (1)
Responses to RFIs

File details come from the government source that posted it. Updated .