S05 RFI Question Answer_HVAC Procedure Rooms_SD.pdf

RFI Questions & Answers

Project Name: SAN DIEGO HVAC PROCEDURE ROOMS Solicitation Number: 36C26220Q1113

Question 1

Q: Please provide the electrical requirements for fan filter units.

A: It depends on availability of the panel. Must be field verified by contractor.

Question 2

Q: Please provide the distance to the nearest power source for each procedure room / FFU.

A: The maximum distance will not exceed 500ft.

Question 3

Q: The Description of Work calls for “All filters must be accessed and replaced from the room side.” Opening the ceiling will require containment and air monitoring. Please provide the level of containment required for this project. Do we need full containment, or can we use a cube?

A: “All filters must be accessed and replaced from the room side” means that after the FFUs are installed, all future maintenance will be from the room site. For the construction activity it is up to contractor’s means and methods to comply with the safety requirements.

Question 4

Q: The Specific Requirements Item J calls for a Commissioning Report. Please provide the specific commissioning requirements for this project.

A: Provide a demonstration to VA COR and Engineering Representative:

1. FFU be able to response to new CFM requirement via input from the BMS

a. CFM range will be from 50 to 625

2. BMS to indicate the CFM of the FFU

Question 5

Q: Special requirement request a report with details must be submitted as part of the bid for VA Engr Dept to review. The Site Walk only consisted with, the ability to take pictures of existing room, no details were available for above the ceiling tiles. How do we provide details without knowing what is behind the ceiling tiles or within the interstitial?

A: Access to the interstitial space will be granted for all contractors who request for the field verification purpose. Any individual who enters the interstitial must provide VA his/her Asbestos training certification and Fit test certification. Without the field verification report, the contractor automatically acknowledges he/she is well aware of all existing conditions and there is no unforeseen condition will be claimed during the construction.

Question 6

Q: Can the VA provide as-build drawings of existing HVAC for each room to be modified?

A: VA engineering will provide available as-built mech. drawings. Contractor shall field verify an modify the drawings if necessary.

Question 7

Q: The sow requires as-build drawings for the project in 2017 AutoCAD format, can the VA provide the baseline CADD files? CADD files must be provided in-order to provide ASBUILD Drawings.

A: Once the contractor is selected, VA Engineering will provide available CADD files.

Question 8 Q: Please confirm working above ceiling tiles will require Asbestos Cert?

A: Yes.

Question 9

Q: Since the equipment cutsheets are provided and the 4 pages of plans show designated room locations (with no mechanical schedules or ductwork shown), I am assuming all of the equipment required is provided by owner?

A: Contactor shall provide and install all the equipment required for this project.

Question 10

Q: Also, is this still a set aside for SDVOSBs?

A: Yes, 100% SDVOSB set-aside

Question 11

Q: Please provide mechanical as-built drawings A: Refer to Response #6. Mechanical as-builts attached

Question 12

Q: Please indicate electrical panel locations for feeding new FFU units A: The electrical panels are located in the interstitial space. The contractor will be responsible to identify the panels and provide a single line drawing showing the proposed panels for approval prior to the work.