Pool Roof RFIs 1-10.docx

Pool Roof RFI’s

1. The scope of work calls for the removal and reinstallation of the existing solar thermal heating systems on the rooftop. We can replace the roof without removing this equipment. Please advise if it is acceptable to leave the rooftop solar equipment in place.

The solar thermal heating system is to be removed; however, the support piping and dunnage is to remain.

2. The scope of work calls for the removal and reinstallation of the existing solar thermal heating systems on the rooftop. Is there a location on site we can store this equipment while the roof is installed?

The solar thermal heating system is to be removed; however, the support piping and dunnage is to remain.

3. The scope of work calls for the removal and reinstallation of the existing solar thermal heating systems on the rooftop. Does all of the solar panels and solar equipment function at 100% currently or are there any issues with the system prior to any removal? We request the entire system be tested prior to any removal work. Please advise if the government will test the system.

The solar thermal heating system is to be removed; however, the support piping and dunnage is to remain.

4. SOW paragraph 4.0 item 1 states that the VA BHS asbestos survey reports negative findings for asbestos in the work area. Specification section 07 52 00 paragraph 1.1.B states, “Awarded contractor is responsible for testing for asbestos in existing roof assemblies and proper removal following all State and Federal requirements if present.” Please advise the SOW is correct and there is no asbestos or if asbestos testing and removal will be required and needs to be a part of our bid as mentioned in the specifications.

GC to bear costs for asbestos testing of roof assemblies for verification and confirmation that no asbestos is detected as noted on the VA BHS Asbestos Survey Report. If asbestos is confirmed positive on the roof assemblies, then the awarded GC will follow the change order process.

5. Please provide the sign-in sheet.

Sign-in sheet is attached.

6. Please confirm once the solar panels are removed, they will be handed over to the VA and not reinstalled.

GC is responsible for the disposal of solar panels in accordance with state and federal regulations.

7. Please provide as-builts.

As-built is attached

8. Please advise what type solar panels are on the roof.

The solar panels are KBB Solar Collectors model_ K420 MS Al

9. In regard to the solar panels on the roof please provide clarification on what needs to be removed and what needs to be reinstalled if any?

The solar thermal heating system is to be removed; however, the support piping and dunnage is to remain.

10. Is the modified bituminous roofing to be installed on the sloped & abutting upper roof section of the pool roof? (Picture of area attached) The upper pool roof assembly consists of a structurally sloped concrete deck with one layer of 2” polyISO and a fully adhered EPDM membrane. This is to be replaced with a fully adhered ¼”:12 tapered polyISO assembly and a ½” cover board set in Insul-Lock HR. Two layers of StressBase 120 base sheet + one layer of KEE Stone FB 60 cap sheet set in GreenLock cold adhesive.

The sloped section roof assembly consists of a structurally sloped concrete deck with one layer of 2” polyISO and a fully adhered EPDM membrane. This is to be replaced with a fully adhered flat stock polyISO assembly and a ½” cover board set in Insul-Lock HR. KEE-Stone FB 60 membrane to be installed set in KEE-Lock Spatter Spray terminated at a KEE Clad metal drip edge.

Updated KEE-Stone FB 60 specifications to be posted.

See Attachments:

211_2131_261002_typical_section_finish_KEE-Layout 211_2131_261005_Raised_Metal_Edge_KEE-Layout 211_2131_261006_Raised_Metal_Edge_Cap_KEE-Layout (1) 211_2131_261012_coping_cap_KEE-Layout 211_2131_261029_exhaust_fan_detail_KEE-Layout 2024 WRVA - Roof Assemblies Garland Roof Measurement Report Section 075501 Pool Roof Upper Elevation Sloped Roof Photo