Q and A.docx

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N66001-26-Q-6042 - Installation of Ground Variant
Solicitation number
N6600126Q6042
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This is a Questions and Answers document for RFQ No. N66001-26-Q-6042 addressing supplier inquiries regarding the Installation of Ground Variant project at NIWC PAC Building 586. The document clarifies approved sources and specifications for required equipment components.

For the packaged closed-loop chiller system, the specifications require a weather-resistant unit using 60/40 Propylene Glycol Water (PGW) coolant with a flow rate of 2.0 Gallons Per Minute and AN6/JIC Male 3/8" flared tube fittings. The air dryer unit must be weather-resistant with a maximum inlet pressure of 3.2 PSIG, minimum inlet pressure of 1.2 PSIG, a nominal flow rate of 45 SCFH, and AN4/JIC Male .25" flared tube fittings. Building drawings and electrical details for Room 107 are not available from the government. The four rooftop RF antennas will be government-furnished and do not require purchase. A pre-award site visit is available for the selected contractor with attendance limited to fewer than five individuals to review existing site conditions, rooftop access, and current electrical infrastructure.

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Other files

File Type Posted
Q and A.docx DOCX document
N66001-26-Q-6042 Combined Synopsis and Solicitation.pdf PDF
Attachment 3 - FAR and DFARS Provisions for Certification.pdf PDF
Attachment 2 - Antenna Drawings.pdf PDF
Attachment 4 - Sample Wage Determination.pdf PDF
Attachment 1 - SOW.pdf PDF

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RFQ No. N66001-26-Q-6042 Q&A

1. Approved sources of supply or Government-furnished information for the packaged closed-loop chiller system, air dryer unit, and the four (4) rooftop RF antennas

The approved SOW addresses the specification required.

Below are the specifications needed Cooling Requirement:

1. Weather-resistant unit

1. Coolant: 60/40 PGW

1. Flow rate: 2.0 Gallons Per Minute (GPM) for Propylene Glycol Water (PGW)

1. Closed loop chiller (PCP)

1. Fitting: AN6/JIC Male 3/8” Flared tube Below are the specifications needed for the air dryer unit:

1. Weather-resistant unit

1. Maximum inlet pressure: 3.2 PSIG

1. Minimum inlet pressure 1.2 PSIG

1. Fitting: AN4/JIC Male .25” Flared tube

1. Nominal flow rate: 45 SCFH

2. Availability of building drawings, including electrical details for Room 107, to determine panel capacity, circuits, and routing requirements

These details cannot be provided. The antennas do not need to be purchased since those will be provided.

3. Whether a site visit/job walk may be scheduled to allow us to review existing site conditions, rooftop access, and the current electrical infrastructure

Yes, prior to starting work for the awardee. Preferable attendance under 5 individuals.

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