SOLICITATION NO. 1232SA26Q0736 - RFI'S WITH RESPONSES.pdf

SOLICITATION NO. 1232SA26Q0736 – RFI’S WITH RESPONSES

1. Statement Of Work / Project Requirements / 4.1 Base Bid / H / 5 states for the EPDM membrane to be black. Please confirm the design intent. Outside face of EPDM can be black or white.

2. We have reviewed the solicitation documents and roof drawings; however, we have been unable to identify the exact location of Building 6 within the research center campus. We have also attempted to contact the local facility using the published phone numbers but have been unable to reach anyone. Could you please provide one of the following:

• A campus/site map identifying Building 6. Attached.

• The exact location of Building 6 on the campus. Identified on site map.

• The appropriate facility point of contact who can assist with identifying the building. Mark Buxkemper is the local point of contact and can be reached at 979-412-5449

3. Has a core test been performed and if so can that be provided? A core sample was taken picture attached.

4. How many layers of roofing currently exist? There are two existing roof systems; bottom layer- Ballasted asphalt with gravel coating; top layer TPO.

5. With requested roofing system will attached metal structure need to manipulated due to the possibility of requested taper system and necessary r value possibly being higher than current roofing system? No expected metal structure manipulation is anticipated.

6. We were notified during inspection the HVAC was getting replaced. Can the current HVAC system mounted on the roof be removed if that’s the case and temporary units be installed to cool the building while roof work is being performed? AHU can be removed and temporary cooling provided at the cost of the contractor but would need to be reset in place. Contractor is responsible for proper disconnection of all controls systems, piping, and ductwork. Contractor may be able to coordinate work with the other contractor.

7. Do any architectural plans exist, and can they be provided to finalize bid? No plans exist.

8. Has the Government performed any hazardous materials testing for the existing roofing system? If so, please provide the results. If not, confirm hazardous materials encountered during construction will be treated as a differing site condition. No hazardous materials testing has been performed. If encountered during construction will be treated as differing site conditions.

9. Are contractors to include pricing for hazardous materials testing? Contractors should not include pricing as part of their proposal submission. The awardee will provide pricing as a Change Order – Differing Site Condition – if hazardous materials are discovered after work begins.

10. Please provide the project drawings. No project drawings; work requirements are in the Statement of Work (SOW).

11. Please provide the project specifications. See SOW.

12. Please provide the roof dimensions and roof layout. Contractors are responsible for taking their own measurements.

13. Please identify the existing roof assembly, including metal deck, insulation type and thickness, and existing TPO and asphalt roofing system thicknesses. See Question #4.

14. Confirm the contractor is to include repair of 100 SF of metal roof deck and any additional deck repairs will be addressed by change order. Correct; no decking repairs are anticipated. Additional quantities will be addressed as a Change Order - Differing Site Conditions – after work begins.

15. Confirm repairs to deteriorated metal deck exceeding 100 SF will be treated as a differing site condition or addressed by change order. See Question 14.

16. Please clarify the extent of roof drain repairs. Are contractors to include only repairs required at the roof level, or repairs below the roof deck as necessary? Only roof drains repair above roof level. Any detected below roof repairs will be addressed as a Change Order – Unforeseen Conditions.

17. Please provide details of the required roof hatch and guardrail system. Roof hatch to be Bilco s-50 aluminum roof hatch or equivalent and railing system to meet or exceed specifications for Bilco RL2- rail system for a roof hatch.

18. Please identify the quantity and locations of walk pads required around rooftop equipment and between the roof hatch and rooftop equipment. Walkway pads are required from the roof hatch and along both sides of the air handler (to the location of the HEPA filter racks). Pads are not required at any other rooftop equipment locations.

19. Please provide details of all existing roof penetrations and rooftop equipment requiring flashing. Existing roof penetrations are visible via a site inspection.

20. Confirm replacement of deteriorated wood blocking, metal edging, and curb materials is to be included. If so, please provide estimated quantities or the basis of payment.

Replacement of deteriorated wood blocking is required. Quantity estimates are the responsibility of the contractor.

21. Confirm the contractor is responsible for replacing gutters and downspouts only where required to drain the two end sections. No additional gutter or downspouts work is required.

22. Please identify any electrical conduits or other utilities located beneath the roof deck that require special consideration during fastening of the new roofing system. Several electrical conduit runs are at or near the roof deck. Contractor to conduct visual inspection beneath the roof deck prior to any penetrations through the deck.

23. Confirm no work to the rooftop air handler is required under this contract other than sealing duct joints as identified in the Statement of Work. No work associated with rooftop air handling is required other than sealing and flashing around the roof penetrations.

24. Confirm no interior repairs associated with existing water infiltration are required under this contract. No interior repairs are associated with project.

25. Please confirm whether asbestos, lead, or other hazardous materials are present in the existing roofing system and provide all available reports. See Questions 8 and 9.

26. Please identify any required manufacturer inspections necessary to obtain the specified NDL warranty. Inspections as required by the manufacturer to obtain the NDL warranty.

27. Confirm temporary weather protection measures required during construction are incidental to the contract and no additional temporary roofing systems are required. All work is to be planned during appropriate weather conditions and worked planned to provide building integrity at the end of each day.

28. Confirm the Government will provide water and electricity as described in the

Statement of Work and identify available connection locations. Water and electricity are available for use; however, any required connections are the responsibility of the contractor.

29. Please confirm whether any work restrictions or phasing requirements are required to maintain ongoing research operations within Building 6. No phasing is required.

30. Please provide any available existing roof photographs or allow an additional site visit For verification of existing conditions. Site visit was conducted on 6/18/2026.

Additional visit may be possible by contacting site Facility Manager, Mark Buxkemper at 979-412-5449 – but it is no guaranteed that an additional site visit will be granted.

31. Can one person "triple hat" as Superintendent, SSHO and QC Manager? Yes

32. Please provide the site visit attendee sign in sheet. – This request should be emailed directly to the Contract Specialist – Angela Wingert – at angela.wingert@usda.gov.

33. Is this project tax exempt? Federal government will not provide tax exempt; however, the State of TX may provide sales tax exemption upon completion of proper forms.

Contractor is responsible for determining requirements and submission of documents as required.

34. When do you anticipate on site work starting? A Notice to Proceed will be issued for site work to start once the awardee provides all bonding, insurance certificates, and the site safety plan.

35. Are third party inspections required? No, but contractor is responsible for any required inspections as necessary to obtain the NDL warranty.

36. Is permitting required? No site permits are required for Federal facility.

37. In executing this project, can one superintendent fulfill the supervision, safety, and

QAQC roles? Yes

38. Are contractors required to issue a contract specific QA/QC Plan? Contractor is responsible for QA\QC, but no formal plan is required.

39. Are contractors required to issue a contract specific Safety Plan? Yes

40. Is this project tax exempt? See Question #33

41. Has a core test been performed and if so, can that be provided? See Question #3.

42. How many layers of roofing currently exist? See Question #4.

43. Will the existing attached metal structures (e.g., curbs, flashing, coping, equipment supports, or other roof-mounted components) require modification or adjustment to accommodate the new roofing system, particularly if the specified tapered insulation system and required R-value result in a roof assembly that is thicker than the existing system? Adjustments to height may be required to meet required R-value.

44. Do any architectural plans exist, and can they be provided to finalize the bid? No architectural plans are available.

45. At the site visit it was stated that the roof mounted HVAC units are being replaced on a different project. Will these be replaced before or after the contractor replaces the roof?

Preferable the rooftop air handler would be replaced first but may not be possible due to lead time of the unit. Contract will not be put on hold waiting on the replacement of the air handler unit.

46. Will the existing or new HVAC unit need to be lifted and reset to install the new roof?

Contractor is responsible for that determination.

47. Have the elevations of the new roofing system with insulation and taper system been calculated, and will any roof mounted equipment, duct, curbs, or parapet walls need to be raised due to the height of the new roof system? No calculations have been made.

Adjustments to curbs and parapet will be made as necessary to achieve require R-value.

48. SOW 4.1. h. 1. Calls for a minimum R-20 value for roofing insulation, please verify. Correct value is minimum of R-30