W912EK25RA035 - Questions and Answers.pdf
PDF 36 KB Posted
- Attached to
- Lock and Dam 14 Roof Replacement
- Solicitation number
- W912EK25RA035
About this file
This document is a Questions and Answers (Q&A) file for the W912EK25RA035 – LD14 Roofs project. The Q&A addresses contractor inquiries about roofing specifications, specifically focusing on roofing membrane requirements. Key details include allowing alternative manufacturers for the roofing membrane, with the requirement that any material must meet or exceed the 60 mil Duro-last PVC specifications. Contractors were specifically interested in using Carlisle TPO or PVC membranes, and the government confirmed flexibility in manufacturer selection.
Regarding project documentation, the government provided limited reference materials, including plans from a previous window replacement job that show roof surface and pitch dimensions. However, these were explicitly noted as informational only and not to be used for precise measurements or call-outs. The document indicates that minimal additional drawings or as-built measurements are available for the Lock and Dam 14 Reroof project, which may impact contractor preparation and bidding.
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Other files
| File | Type | Posted |
|---|---|---|
| A22 - W912EK25RA035 Amendment 0001.pdf | ||
| W912EK25RA035 - Questions and Answers.docx | DOCX document | |
| For Reference Only for Pitch.pdf | ||
| A22 - Pictures.pdf | ||
| A22 - W912EK25RA035 with Cover.pdf | ||
| A22 - IA20250073 - 8-8-2025.docx | DOCX document |
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W912EK25RA035 – LD14 Roofs – Questions and Answers
Q: What is the procedure to get the Spec membrane to a different manufacturer? We can install Carlilse TPO or PVC.
A: Any manufacture is fine, as long as the material meets or exceeds the 60 mil Duro-last PVC specifications.
Q: Please consider our substitution for Carlisle Sure-Flex PVC 60mil roofing membrane for the Lock and Dam 14 Reroof project
A: Any manufacture is fine, as long as the material meets or exceeds the 60 mil Duro-last PVC specifications.
Q: Do you have the existing plans that show the SF and pitch of the roofs? If not, can the government provide the pitch and plans of the roofs?
A: See the attachment “For Reference Only for Pitch”. Attached are plans from a previous window replacement job. There are sections that does show SF and Pitch of the roof. But it needs to be noted that we are not asking for the call outs on these drawings. That they are for informational purposes only for showing dimensions and slope.
Q: Are any as-builts or drawings/measurements available?
A: Just the above
File details come from the government source that posted it. Updated .