S06 - Att 1 Pre-Bid RFIs 556-24-106 Replace Chiller 2 FINAL 21JUUL25.pdf

RFI # Question/Comment Response (VA - COR) 1 The specifications call for a coordination study to be done on the new distribution components. Could we get a copy of the existing coordination study and what software was it done in, in order to put a value to that. Per general note B, drawing E500.

Contractor shall request current power study to obtain the current most recent AIC ratings.

Engineer's report for recent arc flash study is too large to publish at SAM.gov, but can be made availabel to the GC, who should be able to extract the information they need. Also, the study states that they used SKM Software (https://www.skm.com/) (rev21JUL25)

2 Drawings outline the connection of the new chiller to the existing BMS. Please provide the current BMS vendor/system for the building.

Existing BMS is by Automated Logic. Refer to Specification 23 09 23.

3 Is this a brand name or equal for the chiller product, or is a York brand Chiller mandatory to match other other 5 chillers? York model is basis of specification. GC may submit an objectively equivelent or better system complying with the specifications and drawings.

Submit a direct comparison of the York model and the model proposed by the GC as its equal.

(rev21JUL25)

4 Will the VA accept chiller manufacturers other than York if they meet all performance and warranty criteria? See RFI 3 above

5 What criteria will the VA being using to asses if the chiller meets required performance and warranty requirements? Salient quality and performance metrics GC will describe in their submitted direct comparison.

Review the quality and performance data of the basis of specification model, and meet or exceed that. (rev21JUL25)

6 Is there a specific criteria that is inherent to the York Chiller that is being specified to differentiate that product from other brands?

Repeated question. See RFI's 3 and 5 above.

(rev21JUL25)

7 EOS Mechanical Inc who is bidding this as a prime would like to know if there will be a line item included on updated bid form for First Right of Salvage (Note F under Mechanical General Notes on M000).

No

8 What items does the VA Plans Salvage from this project? This can increase the cost of demolition to dismantle items on site. FHCC will salvage the control panel of the old chiller.

9 Is this a tax-exempt project? Yes. State sales tax exempt information will be provided to the GC. (rev21JUL25)

10 Does the VA anticipate this project will require off hours work? Off hours are not anticipated, however, it is possible if beneficial to GC (means/methods) or if GC falls behind in schedule. (rev21JUL25)

Project # 556-24-106 Replace Chiller No. 2 Solicitation # 36C252-25-B-0020

Pre-Bid RFIs

S05 - Pre-Bid RFIs 556-24-106 Replace Chiller 2 RFIs FINAL 21JUUL25 1 of 3

11 Will the VA accept an or equal to the YORK BOD or is this a sole source chiller procurement? Also, from our previous experience of completing the previous chiller replacements we would suggest keeping this sole source to York BOD for a even bidding process.

Basis of specification is described at RFI's 3 & 5.

12 Please confirm that ALC controls are the only approved controls systems for this project. Yes - controls to be by ALC. Refer to Specification 23 09 23.

13 Will the VA consider Victaulic Fitting for this project? No - victaulic fittings are not permitted.

14 SOW calls out uniform heat detection connecting to existing building master fire alarm system please advise who the existing master fire alarm system contractor is?

Fire alarm is Simplex/JCI.

15 Note K on ED400 calls to demo concrete housekeeping pads, and floor/grade shall be finished to match adjacent surface.

Please confirm concrete demo does not apply to any Mechanical related demo Scope.

Concrete demo is required for pump scope.

Refer to Sheet MD400 and details M500/5, M500/9, and M500/8.

16 Are there any existing Valves that can be used to Isolate the Chilled Water and Condenser Water? Contractor to walk the project site to identify existing valves that can be utilized. New or replacement valves to be provided as indicated on the drawings.

17 Does Lock Out Tag Out apply to this project? OSHA laws apply to all work of all employers.

See safety specification. Tag-Out is not an acceptable method of deenergization and isolation of energy sources.

Contractor (the employer) must identify this risk and their response to it in their AHA.

18 Should the freestanding 4160>460V transformers be provided with the chiller to avoid compatibility issues with a generic transformer? The chiller manufacturer states they have a transformer designed specifically for their magnetic bearing chillers and associated harmonics of the mag bearing compressors and VSD. Please confirm if the transformer should be provided by the chiller manufacturer.

Review the contract documents. The transformer shall be provided with the chiller to avoid compatibility issues.

19 Are the VFD for CWP and CP pumps provided by the Owner? If not, can we please get more information if new VFD are to be installed.

Review and comply with the contract documents. Not provided by owner. VFDs to be provided by the Contractor. Refer to Sheet E400 and Specification 26 26 11 for requirements.

20 Would it be possible to set up another Site Visit?

Also, will a sign-in sheet be provided?

Sign-in sheet from prior pre-bid site visit(s) are posted at SAM.gov as an amendment. The opportunity to observe conditions during a planned site visit has been completed.

(rev21JUL25)

21 Can the Superintendent fulfill the Quality Control Manager (QCM) role? Review and comply with the contract documents. Superintendent may act as SSHO if qualified (see RFI 22) QA/QC can not be superintendent or SSHO.

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22 Can the Superintendent fulfill the Site Safety & Health (SSHO) role? See RFI 21. Review and comply with 01 35 26 -

14. 1.7 "Site Safety and Health Officer" (SSHO) and "Competent Person". The superintendent can act as the SSHO if VA determines them to have the proper qualifications and competency.

The SSHO must remain on-site at all times during construction. There is no case in which the SSHO can attend multiple projects at the same time.

23 Will the VA provide laydown/storage areas? If so, where will they be located? If necessary. Coordinate with COR.

24 Will the VA provide an area for a dumpster? If so, where will that be located? See RFI 23.

25 Are CAD files available for all of the issued drawings? Or will they be available after award is made? CAD files are available after award.

26 Will the VA be providing an electronic submittal program, or is it expected that the general contractor provides this?

Are there programs or software that are acceptable?

VA will provide Submittal Exchange.

27 Are there any requirements regarding photographic documentation?

Please confirm if this will be required as part of this project?

If required, must this be a 3rd party service?

Or can it be performed inhouse by general contractor?

See specs and SOW.

SOW: "In no case shall the GC allow any team member to take photographs with patients, visitors, or employees in the picture." PHI and PII is also not allowed in photographs.

Photographic documentation falls under daily logs. This is not required to be a 3rd party service.

END of RFI's

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