Lawton Roof Replacement Vendor Question.docx
DOCX document 92 KB Posted
- Solicitation number
- 36C25924R0003
About this file
This document appears to be a set of questions and answers related to a federal contract opportunity to replace the roof on the Lawton Outpatient Clinic (LOPC) facility in Oklahoma City, Oklahoma.
The key details are:
- The LOPC facility has multiple issues with the existing roof, including soft spots, pooling water, and large grassy patches. The roof must be completely replaced.
- The contract requires the contractor to remove and replace the 29,043 square foot roof, including the skylights, lightning protection system, and other associated work.
- The contractor must verify the location of all utilities and coordinate the project to minimize disruption to the continuously occupied facility.
- The contractor will need to evaluate and replace the roof membrane, decking, and insulation due to water damage and aging.
- The contract performance period is 150 days after the notice to proceed.
- The procuring agency is the Department of Veterans Affairs, Veterans Health Administration, Veterans Integrated Service Network 19.
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Other files
| File | Type | Posted |
|---|---|---|
| Lawton Roof Vendor Questions.docx | DOCX document | |
| 36C25924R0003 0003.docx | DOCX document | |
| 36C25924R0003 0002.docx | DOCX document | |
| Replace LOPC Roof Site VIsit Sign in Sheet.pdf | ||
| Site Visit Meeting Doc_Lawton.docx | DOCX document | |
| VENDOR QUESTIONS LAWTON ROOF REPLACEMENT.docx | DOCX document | |
| 36C25924R0003 0001.docx | DOCX document | |
| S02 - Construction Document Specifications 1-4-2024 Revised 60 to 80 mil.pdf | ||
| S02 Roof and Skylight Plan 24.pdf | ||
| 36C25924R0003_1.docx | DOCX document | |
| S02 Roof Framing Plan 39-S4.pdf | ||
| S02 - Ft Sill - Replace Roof LOPC - 100 Percent CD Combined.pdf | ||
| S02-ICRA.docx | DOCX document | |
| S22- 852.219-75 LOS Certification.docx | DOCX document | |
| 12-13-22 - Past Performance Questionnaire.docx | DOCX document | |
| S02 Roof Plan 23-9.pdf |
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Text version
1. Are the skylights being removed and new skylights installed? Or are the wholes being decked in and roofed over? The Roof Plan 23-9 and the roof and skylight plan shows the first scenario, the roof plan within the combined plans shows the second scenario. Please clarify.
The skylights are being removed and docked over per print page A1.102
1. Is the building currently occupied? Yes
1. Section 07 22 00 – Roof & Deck Insulation Part 2 – Products
2.1 System Performance
A. Insulation thermal performance Overall Average R-Value: (R-33) minimum (is this R value the minimum or average, it states both however they are completely different. Please clarify.
This is standard verbiage from the VA TIL. My interpretation of what the VA spec writers were trying to convey was that…
1. The overall average R-value of the installed roof insulation system is to be no less then R-33, because of the taper and existing conditions, some areas maybe higher and some lower than R-33 due to the change in thickness needed for the tapper.
2. At the thinnest points, it is to be a minimum of R-10 (For example roof drains).
B. Roof plans within the combined plans states R-25 minimum. Any Location R-Value: R-10 minimum, what does any location R value mean? Please clarify.
My interpretation of the VA spec is that at the thinnest points, it is to be a minimum of R-10 (For example, maybe at roof drains) and then the taper starts getting thicker from there.
4. Section 07 22 00 Roof & Deck Insulation
2.4 Roof & Deck Insulation
C. Tapered Roof Insulation Systems:
3. Minimum Thickness of taper sections (1-1/2”) This is VA TIL standard language of my interpretation of this would be that the VA does not want tapered insulation pieces that start at 1” and slope to nothing, but a minimum they want these pieces to start at minimum of 1-1/2” and slope to nothing.
3.4 Insulation installation
B. Insulation Thickness
4. where tapered insulation is used
a. low point thickness: minimum 1” I would interpret this as meaning around drains there is to be a minimum of 1” insulation that is at least an R-10 and then the slope would start up from there. Also, in the spec it says it says to use the manufactures recommendation for spanning flutes in the deck, so that may need to be thicker depending on the product.
5. Section 07 54 19 PVC Roofing
1.6 – Quality Assurance B. Manufacturer’s Field Representative:
1. Manufacturer’s full-time technical employee or independent roofing inspector (Are you expecting a full-time on the roof inspector? No manufacturer provides this. And it is considered a conflict of interest if the roofing contractor contracts a roof consultant for this will the Owner be providing this? Please clarify.
We do not expect a full-time technical employee. Whatever the standard for the roof warranty is all that is needed.
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