Atch 11. Repair Roof & Upgrade UPS HVAC Pre Proposal Q&As - C.pdf
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- Attached to
- Repair Roof and Upgrade HVAC and UPS System B328
- Solicitation number
- MXDP10-A058
About this file
This document contains pre-proposal questions and answers regarding a federal contract opportunity to repair the roof and upgrade the HVAC and UPS systems on Building 328 at Laughlin Air Force Base. The scope of work includes replacing the single-ply roofing system with a new white EPDM membrane roof, upgrading controls on the UPS system to enable remote monitoring and alarming, and improving HVAC system serving UPS rooms. Questions addressed specifications for the roof replacement, availability of construction drawings, composition of the existing roof, scope of reinstalling lightning protection, requirements for parapet walls, allowance of TPO roofing in lieu of EPDM, and whether roof drains require replacement. The opportunity is solicited under solicitation number MXDP10-A058 and has an anticipated award as a firm-fixed price contract. This acquisition is set aside only for women-owned small businesses with a NAICS code of 238160 and size standard of $16.5 million.
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Repair Roof and Upgrade HVAC and UPS System B328 Pre-Bid Questions C
FA309920R0008
14 August 2020
Below are our questions for the above mentioned project.
#1. Will a full set of specifications for the roof replacement requirements (division 7) be included so all bidders are bidding the same roof requirements?
CEN Response: No. Any proven roofing systems meeting all requirements as described in SOW is acceptable. Contractor shall submit roofing specifications for approval.
#2. Is there are set of original construction drawings or Red Line drawings available that show both architectural and structural details that can be provided to help understand the existing roof construction?
CEN Response: No. There are no as-built drawings.
#3. Has there been a core cut done on the existing roof to verify the composition?
CEN Response: No.
#4. What is the scope of work for the existing lightning protection that will need to be removed during the re-roofing process?
CEN Response: Contractor shall remove and re-install the existing lightning protection.
#5. Will the existing parapet walls require a new nailer and a metal coping system or will they be left as is?
CEN Response: Existing parapet walls shall require new nailer and metal coping system.
#6. The scope of work designates a new EPDM roof system. Can a TPO single-ply roof system be installed instead?
CEN Response: No. The Government shall not consider any substitute for the EPDM roofing system.
#7. Will the existing roof drains require replacement and or testing?
CEN Response: Refer to SOW Section 4.4.
#8. The requirement for insulation in the scope of work states to meet R-30 is this an average R- value or a minimum R- value?
CEN Response: R-30 shall be the minimum R-value.
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