RFIs Answered - 506-21-202.pdf

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Attached to
Z1DA--Replace Roofing B-1W 506-21-202 Federal contract opportunity
Solicitation number
36C25024B0033
Issued by
Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 10

About this file

This document contains questions and answers related to a Request for Information (RFI) for a federal contract opportunity. The RFI provides clarification on several specification sections, including temporary use of existing elevators, hazardous materials abatement, painting requirements, storm drainage, insulation depth and R-value, and roofing system alternatives. Key details include:

  • Elevators cannot be used but may be permitted with certain provisions.
  • No hazardous materials are expected, but the specification section was included as a precaution.
  • No painting is required.
  • Only connection to the existing storm lead is required for the new roof sumps.
  • The existing insulation varies in depth from 3.5" to 5.5", and the project requires a full tear-off and replacement to achieve an average R-value of 49. A layover alternate is included to install 6" of insulation for an average R-33.
  • A 90 mil EPDM fully adhered roofing system is required, not a 60 mil EPDM ballast system.

The related federal contract opportunity is Solicitation Number 36C25024B0033, titled "Z1DA--Descoped Replace Roofing B-1W 506-21-202", issued by the Department of Veterans Affairs, Veterans Health Administration, Veterans Integrated Service Network 10.

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Text version

Q1: Specification and Section: Spec Division 01 00 00-9. Temporary Use of Existing Elevators: Item A states that elevators cannot be use and Item B would indicate the opposite with certain provisions.

Please Clarify particularly for personnel.

A1: See Specification Division 01 00 00 paragraph 1.13 A and B.

Q2: Specification and Section: Spec Section 02 82 11. There is no schedule of items to be abated.

What is anticipated for this requirement?

A2: No hazardous materials are expected. Specification section is included in case any hazardous materials are encountered.

Q3: Specification and Section: Spec Section 09 91 00. What is to be painted? We can find no requirement on the drawings.

A3: This specification section was a carryover from previously defined scope. No painting is required in this scope.

Q4: Specification and Section: Specification Section 22 14 00. Facility Storm Drainage: Is there anything required other than new roof sumps attached or clamped to the existing storm lead?

A4: Nothing required beyond connecting to existing storm lead from above.

Q5: What is the current depth of the tapered Iso? Is the current slope known?

A5: The current depth of insulation varies. Roof cores were taken on 6 different locations and varied from

3.5" to about 5.5." The project planned for a full tear off insulation and replacement.

Q6: Can we bid a 60mill EPDM Ballast system in lieu of fully adhered as an alternative?

A6: No, please follow the plans and specifications for a fully adhered 90 mil EPDM.

Q7: Can the government send a copy of the mentioned thermal images.

A7: No, reference to thermal images was to the energy analysis performed during design.

Q8: The details mention an R value of 49 for the base bid. Is this a minimum of 49 or an average? Is the

R value of the new tapered insulation we are installing included in the R-49?

A8: Overall average R-Value to be R-49.

Q9: For the layover alternate, how much insulation is expected to be added on top of what is existing?

A9: No insulation is to be added on top of existing insulation. Base bid is to install 8 ½” of insulation to meet an average R-49, bid alternate is to only install 6” of insulation to meet an average R-33 minimum.

File details come from the government source that posted it. Updated .