Questions_and_Answers.docx
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- Replace Roof B399 and B1100 Federal contract opportunity
- Solicitation number
- FA3099-18-R-0019
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FA3099-18-R-0019, Questions and Answers
1. Please provide the site visit sign in sheet?
The sign in sheet is being posted with these answers.
2. Please provide a detailed SOW.
A new SOW is being posted with these answers.
QUESTIONS BLDG 399 POOL DRESSING ROOMS
3. What gauge is the existing metal deck?
Records could not be found to determine gauge of existing deck. SOW has been modified to include replacement of all decking material.
4. Existing metal roof deck dimensions are 6 1/4” rib to rib x 1 1/4 “ height of rib x 24” in panel width is no longer available can an alternate panel be used throughout?
Yes.
5. Will ISO/Rigid Board be required? If so how thick? 2 layers? If so what # R-?
Yes. Please see SOW section 3.2.c. Two inches. One layer each ISO/Rigid. R-20.
6. When installing new roof on Bldg. 399 can single ply roofing be used in lieu of built up?
Yes, a single-ply modified bitumen is acceptable.
7. Are gutters required on this Bldg.?
No.
8. When replacing rotted metal deck who is responsible for attaching & reacting conduits, lights, roof flus, roof jacks etc...?
The Contractor.
9. If new metal deck is installed, will it be required to paint if it is galvanized?
Yes, bottom of new decking shall be painted .
10. Since the existing roof in Bldg. 399 is flat is there a preference in slope for draining?
Minimal slope is acceptable. Roof shall slope towards parking lot.
11. SOW is calling for crickets to divert water but from where?
Crickets are not required.
12. SOW is calling for drains; if we get drains we will need to get a plumber to run the PVC pipe.
Drains are not required.
13. Roof does not have gravity ventilators but SOW calls for it. If so how many will you want to be installed and what type of ventilators?
Gravity ventilators are not required.
14. SOW calls for Roof hatch to be installed but currently it does not have one.
Installation of a hatch is not required.
15. Roof is not 1,501 sf as stated in the SOW, it is 2,500 s, please revise SOW.
Revised to 2,200 SF.
16. How many plys of fiberglass if hot mopped? 3 plys?
Yes, 3-plys.
17. Instead of gravel roof will you allow Modified roll roofing?
Yes.
QUESTIONS BLDG 1100 FIRING RANGE
18. What gauge is the new metal sandwich deck?
3/8” (500-BHN); Please see SOW section 2.1.a
19. Will the bottom of the new wood decking need to be painted?
Yes, to match existing paint at structure.
20. When installing new roof material can single ply membrane be substituted in lieu of built up?
Yes.
21. Can the existing 4’ x 8’ now sandwiched metal sheets be reused?
No.
22. After walking Bldg. 1100 may we suggest that all decking be removed in its entirety?
Yes. SOW has been revised to replace all decking.
23. Can we scab to the existing 2”x 8” Rafters?
No. Rotted rafters are to be removed and replaced.
24. There were several 2”x 8” rafters that are damaged, are they to be removed? If so do new ones need to be installed?
Yes.
25. What is the existing 4” x 8” metal panels gauge size that is presently installed? Or sandwiched between 3/4” plywood on roof?
The exposed metal panels are believed to be 1/8” and the sandwiched panels 3/8”.
26. Can existing flashing cap be reused as-well as the angle flashing on parapet walls?
No.
27. What size of gutters will you like? Color?
Typical 5” gutters that shall be painted to match the color of the parapet walls.
28. Sow shows 1,808 but it’s acutely 2,800sf Square footage shall remain 1,808 in the SOW.
29. How many plys of fiberglass if we do “bur” or 3 plys?
Yes; 3-plys.
30. Sow shows to re install steel plates over the roof if so how thick will you like the gauge?
Steel Plates over the roof shall not be installed. Only the steel plate layer in the roof system is to be installed.
31. When changing out decking will the owner prefer the plywood treated or untreated?
Treated. Please see SOW section 2.1.a.
32. Can exiting steel plates be used in an effort to keep cost down-B1100.
No.
33. Should new steel 3/8 ‘’ panels be required, will these need to be domestic ( non-domestic from countries under the NAFT agreement),-B1100.
Please reference FAR 52.225-9 and DFARS 252.236-7013
34. Please provide location and dimension for new roof hatch to bldg.
399.
No new roof hatch is required.
35. Can work be performed after duty Hrs. to include Saturdays and Sundays- both buildings.
This request has to be authorized by the CO.
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