WWYK170123 B201 Roof Repair RFIs.pdf

WWYK170123 B201 Roof Repair

RFI’s

1. Please provide the as-built drawings for this building. Please see the DoD safe link valid for 14 days:

2. Please confirm the level of design required (e.g. 35%, 65%, 95%, etc.). Roof projects are 35% designs’_PM

3. The SOW document, paragraph 1.1 states work includes, “…limited design services…”. The SOW paragraph 3.5 states that roof structural load analysis/report, roofing system shop drawings, overall roof drainage plan, walk pad layout, and approved manufacturer’s assembly letter is required. Are there any other design services required on this contract? KTR to follow direction of the SOW section 3.5.

_PM

4. Please confirm that the only abatement services include the roof vents containing LB. Contractor to verify that (A.A)

5. If existing wood blocking is discovered to be in acceptable condition, can Contractors leave without replacing? Or, will all wood blocking, regardless of condition, be required to be removed and replaced? All wood blocking needs to be removed and replaced. (A.A)

6. Is a tapered system required? Yes. (A.A)

7. If access is required inside B201, will Contractor be able to access the building without special badging? No, Certain areas of the building are secure areas._PM

8. Please provide the coring sample taken during the site visit for all Contractors to review. This request will need to be submitted to PZ. _PM Added to SAM (PZ).

9. Please provide available as-builts of B201. As-Builds will be available following the link provided via a DoD safe link for 15 days. Please see Question #1. _PM

10. Please confirm no deck replacement is required. Contractor to verify that (A.A)

11. Will the Contractor be allowed to block off parking spaces as a laydown and stored yard, dumpsters, toilet facilities, etc.? The KTR will need to send in a staging request with the measurements of the areas that they are requesting. If they need more than 10 parking spaces this will also need to be turned in for a parking lot outage which requires the amount of days per the documents that are provided for the KTR. Since this is going to be a new award per our airfield meeting today, they may also need to submit the proper forms for this also. Please see the attached form for this new process as well. _PM

12. While there is delegated design, please confirm that there is no traditional 35%, 65%, 95%, or 100%/IFC design packages required. The structural analysis, shop drawings, etc., will be provided as one package for review. Correct, Roof projects are 35% design. _PM

13. Do the Contractor Documents (structural analysis, shop drawings, etc.) need to be completed by a licensed Professional Engineer? Yes Do they require engineered stamps? Yes

14. The drawings indicate that a combination roof drain and overflow drain are to be reinstalled. However, it appears the existing roof drainage system currently utilizes scuppers. Please confirm whether the intent is to reinstall scuppers as part of the new roof system. If scuppers are to remain in use, please confirm whether the overflow drains may be eliminated. Gov’t Response: The government’s intent is to reinstall scuppers as the roofs secondary drainage system. – QAG

15. Are General Specifications listed in Appendix B on Page 25 of the SOW available?

They have been attached in SAM. (PZ)

16. Are Technical Specification listed in Appendix B on Page 25 of the SOW available?

They have been attached in SAM. (PZ)

17. Drawings listed in Appendix A on Page 24 do not match Drawings provided?

Please see the updated typo highlighted below. Also attached is the updated Appendix A to the SOW provided in the Contractors CD. – PM

APPENDIX A

Drawing Index General G-I01 General Notes, Vicinity Map and Building Key Plan Architecture R-101 Aerial ImageB201 RP-101 Roof Plan B201 DT-101 Details B201 MP-101 Mechanical Roof Plan B201 MP-102 Mechanical And Plumbing Details B201

18. Paragraph 4.8(2)(a) of the SOW reference pipe support detail on Sheet A-501that was not provide. Will pipe detail be provided?

The MP page number A-501 was a typo, the correct page number is the MP-102 Mechanical And Plumbing Details B201 – PM

19. Paragraph 4.8(1)(b) of the SOW reference pipe scupper drain Wade Model 3271.

Wade Model 3271 isn’t listed as an option on the Wade website. Existing building overflow scuppers are thru wall type are indicated on Sheet Dt-101 Detail 6 of the SOW. Will thru wall scupper be acceptable?

Through wall scupper is acceptable - QAG

20. Existing Doors leading out onto the roof from the 2nd floor on the west and Penthouse on the east both have less than the 8” high threshold required by the roof manufacturer. Do doors and frames need to be raised and replaced?

Digitally signed by

HO.PETER.HAO.1123729591

.1123729591 Date: 2026.06.01 09:25:21 -05'00'

Remove and replace the existing doors and frames, raise sill height as required to maintain 8” minimum roof requirements. New doors shall be hollow metal, 6’ high x existing widths with frame within the existing opening and all hardware, thresholds, flashing as required to make the doors waterproof. Inside will need a new wood step approx. 7” high by width of opening with rubber stair tread.

HO.PETER.HAO