B119_Roof_Q&A_26AUG19.pdf

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SOLICITATION W912L8-19-B-0091

Building 119 Roof Replacement

167th Airlift Wing, Martinsburg, West Virginia, Air National Guard

Invitation for Bid (Questions) and Answers

RFI # Date Question Answer

1. August 22 Is the project to include the mechanical room roofs?

No mechanical rooms are included in the project scope.

2. August 22 Are the gutters and downspouts to be included in the scope?

Yes, contractor shall remove existing and provide and install new guttering and downspouts adequate for new roof.

3. August 22 Does the lightening protection system have to be repaired?

Yes, the LPS system is included in this work.

The contractor shall remove existing LPS system and reinstall with appropriate repairs the LPS and test IAW UFC 3-575-01 and AFI32-1065 testing requirements.

4. August 23 Are there as-built drawings? Yes, hard copy as-built drawings are available onsite. No digital copies are available. Site visit is available upon request to Maj Slack.

5. August 23 What is the quantity of wet insulation to be removed that we should include in our proposal?

ALL insulation, cover boards, etc will need to be removed down to the metal roof deck/structure. Include removal of all existing roof components in your proposal.

6. August 23 What gauge and panel profile are needed?

See UFC 3-110-03 Roofing

7. August 23 What is the purlin spacing, thickness, etc?

Hard copies of the as-builts are available onsite upon request to Maj Slack

8. August 23 What is the existing insulation thickness, facer, and R-Value we will be matching?

Not matching existing, replacing all existing roof system components down to metal deck/structure.

9. August 23 What is meant by “equivalent roofing system”?

The intent is to allow the commercial experts in the field through the solicitation process the ability to provide either an equivalent or better roofing system that will match the base roofs as close as possible in color. Full length standing seam panels are acceptable ensuring that they meet all the UFC and SOW criteria.

Roof proposals must follow UFC 3-110-03 Roofing.

10. August 23 Will the roof top obstruction lights be removed?

a. Contractor shall remove and then replace/re-install the existing roof top obstruction lights.

b. Contractor shall provide detail for COR approval showing how obstruction lights will be reinstalled prior to installing.

11. August 26 Would the government be interested in a cost savings approach to install a new roof over the existing roof? The existing roof is providing structural integrity to the building, and by installing a new roof over top of the current one (to include insulation), we could save the government money as well as provide a stronger, and longer lasting option for this building.

No, provide proposal IAW SOW

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RFI # Date Question Answer