Attachment 8 - RFI Log Answers.pdf
PDF 116 KB Posted
- Solicitation number
- FA487725Q0015
About this file
This document is a Request for Information (RFI) log containing 18 questions and responses for a renovation project at Alert Aircrew Quarters Building 191. Key RFI details include electrical and HVAC clarifications, such as panel schedules, circuit tracing, exhaust fan configurations, and A/C unit outside air requirements. Plumbing and accessibility-related questions were also addressed, with responses indicating that ADA requirements are not fully required for sleeping quarters and shared restrooms, and no new floor drains are needed.
Notable additional details include the government's confirmation that contractors should provide temporary toilet and hand washing units, on-site power will be available, and hazardous materials testing must be conducted since no previous survey report is available. The RFI log provides critical technical guidance for potential contractors, clarifying scope, requirements, and expectations for the renovation project at Davis-Monthan Air Force Base in Arizona.
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Text version
Solicitation Number
Title FBNV250038 Renovate Alert Aircrew Quarters Bldg. 191
RFI No. RFI Response
RFI - 0001
The existing drawings do not show circuits or load calculations. Will it be acceptable to show panel schedules based on site observations and utilize a spare breaker (if any) for the added exhaust fan load?
Yes
RFI - 0002
The existing drawings do not show load calculations. Will a 30-day meter reading be required?
No
RFI - 0003
The existing drawings do not show circuits. Will circuit tracing be required to provide exact circuiting for the lights and receptacles or may notations of “MAINTAIN EXISTING CIRCUIT” be acceptable?
No, circuit tracing not required
RFI - 0004
Does the packaged A/C unit serving the area of work have adequate outside air to provide the necessary make-up for the new 125 CFM exhaust? The outside air total thru that A/C unit needs to be equal or greater than the total amount of exhaust in the area that A/C unit serves.
Unknown
RFI - 0005
HVAC: If the answer to the RFI above is "unknown", please confirm we need to add Test and Balance to this scope of work to set up that existing A/C unit to provide the necessary outside air.
Yes, balancing is required
RFI - 0006
Please provide the invert of the waste line at the cleanouts in each of the toilet renovation areas. Also, provide the invert at the 2-way cleanout outside the building.
Unknown, field verify
RFI - 0007
The as-built drawings are not clear with respect to pipe sizes to each water closet. Please provide the pipe sizes so we can correctly evaluate the water hammer arrestor issue.
Unknown, field verify
RFI - 0008
In the sleeping quarters, are the plumbing fixtures and installation required to meet ADA requirements?
No
RFI - 0009
In the shared restroom/shower room, are the plumbing fixtures and installation required to meet ADA requirements?
No
RFI - 0010 Is each restroom to have a floor drain? No new floor drain required RFI - 0011 Are the floor drains new or existing? existing RFI - 0012 Can the exhaust fans be tied to one louver? (see drawing) Yes RFI - 0013 Please clarify showers are not to meet ADA requirements Full ADA acessable not required
RFI - 0014
Sewer piping: Conceptual drawing states to remove back to main yet the sewer will be going back to a similar location. Will govt accept changing out the p-traps on shower and relocate water closet rather than removing the sewer back to the main and replacing in the same location?
Yes, change shower P-trap existing water closet to remain
RFI - 0015 Is the intention to run new 4" sewers to these restrooms? No, water closet to remain
RFI - 0016
Can the Gov't please confirm if restrooms would be available on-site for Contractor use, or should the Contractor include costs to provide a temporary portable toilet and hand washing unit?
Provide temporary unit and hand wash unit
RFI - 0017
Can the Gov't please confirm if power would be available on-site for Contractor use, or should the contractor include costs to provide temporary electric/power?
Yes
RFI - 0018
Can the Gov’t provide a survey/report outlining the hazardous materials previously identified, tested, and or abated for Bldg 191? If no survey is available/not previously completed for Bldg 191, should the Contractor include costs to provide Hazardous Materials Testing?
No report availabe, provide testing
RFI - 0019
RFI - 0020
RFI - 0021
RFI - 0022
RFI - 0023
RFI - 0024
Date Returned to CONS
Open or Closed?
Date RFI Closed
Comments
Sheet1
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