N66001-26-Q-6042 - Installation of Ground Variant

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding RFQ No. N66001-26-Q-6042, specifically concerning the requirements for a closed-loop chiller system, air dryer unit, and rooftop RF antennas.

• Chiller System Specifications: Requires a weather-resistant unit with 60/40 PGW coolant, a flow rate of 2.0 GPM, and AN6/JIC Male 3/8” flared tube fittings.
• Air Dryer Unit Specifications: Requires a weather-resistant unit with a maximum inlet pressure of 3.2 PSIG, a minimum inlet pressure of 1.2 PSIG, AN4/JIC Male .25” flared tube fittings, and a nominal flow rate of 45 SCFH.
• Building Drawings: Building drawings, including electrical details for Room 107 (panel capacity, circuits, routing), will not be provided.
• Antennas: Antennas do not need to be purchased by the vendor as they will be Government-furnished.
• Site Visit: A site visit/job walk can be scheduled for the awardee prior to starting work. Attendance is preferred for under 5 individuals.

No specific impact on requirements, due dates, or submission rules is mentioned, but bidders should note the provided specifications and the availability of a site visit.

Questions & Answers / Clarifications

This document provides responses to vendor questions regarding RFQ No. N66001-26-Q-6042, specifically concerning approved sources of supply, the Statement of Work (SOW), and site visit availability.

• Approved Sources: The SOW addresses the required specifications for the packaged closed-loop chiller system, air dryer unit, and rooftop RF antennas.
• Building Drawings: Specific building drawings, including electrical details for Room 107, are not available to determine panel capacity, circuits, and routing requirements.
• Site Visit: A site visit or job walk may be scheduled for the awardee prior to starting work to review existing site conditions, rooftop access, and current electrical infrastructure.

No specific impact on solicitation requirements, due dates, or submission rules is mentioned. However, the unavailability of detailed building drawings may require bidders to make assumptions or conduct their own assessments regarding electrical infrastructure.

Statement of Work (SOW)

This Statement of Work (SOW) outlines the contractor requirements to install four (4) Radio Frequency (RF) antennas on the existing platform atop NIWC PAC Building 586 for the Network Tactical Common Data Link (NTCDL) Ground Variant. The effort includes purchasing and installing a packaged close-loop chiller system and air dryer unit, and providing power, data cable routing, and connections to the antennas.

• Install four (4) NITO7 antennas on the rooftop antenna platform.

• Purchase and install one (1) packaged close-loop chiller system and one (1) air dryer unit.

• Provide and install exterior weather-proof subpanels for power and data cables.

• Install conduits and connections for power routing from the facility manager's panel to antennas.

• Install outdoor power receptacles for each antenna, air dryer unit, and chiller system.

• Install indoor power receptacle for the equipment rack in Room 107.

• Route data fiber lines from Room 107 to the rooftop.

• Seal all exterior/interior penetrations.

• Remove and dispose of all material waste.

• Chiller specifications: Weather-resistant, 10% propylene glycol/90% water coolant, 2.0 GPM flow rate, AN6/JIC Male 3/8" flared tube fittings.

• Air dryer specifications: Weather-resistant, 3.2 PSIG max inlet pressure, 1.2 PSIG min inlet pressure, AN4/JIC Male .25" flared tube fittings, 45 SCFH nominal flow rate.

• Electrical installation includes specific circuit breaker types and amperages for antennas, air dryer, chiller, and equipment rack.

• Pass/Fail Criteria: Ensure no leaks in the packaged closed-loop chiller system or air dryer unit.

• Place of Performance: NIWC Pacific, Bldg. 586, San Diego, CA 92152.

• Period of Performance: 60 days or less from the date of award.

• Work Week: Normal Government work week hours (Mon-Thurs 7:15 AM - 4:45 PM, Fri 7:15 AM - 3:45 PM), with observance of Government holidays.

• Security: Work is unclassified. Contractor staff must be U.S. citizens, possess a valid driver's license, have no felony conviction, and meet security requirements. Personnel must be enrolled in DBIDS or have a CAC for access. Repeated deliveries require employee passes. Employees must wear Government-issued DBIDS badges.

• Contractor Identification: Employees must be clearly identifiable and identify themselves as contractors during communications.

• Insurance: Contractor must maintain all reasonable licensing and insurance, including workers compensation. Notification of obtained insurance is required within 10 calendar days of award.

• Deliverables: One (1) Packaged Close-Loop Chiller System, One (1) Air Dryer Unit.

• Travel: N/A

Form / Attachment / Pricing Sheet

This document is a "REGISTER OF WAGE DETERMINATIONS UNDER THE SERVICE CONTRACT ACT" issued by the U.S. Department of Labor, Wage and Hour Division. It provides the minimum wage rates and fringe benefits required for various occupations when performing contract work subject to the Service Contract Act (SCA) in California County of San Diego.

• Lists specific occupational codes and titles.
• Specifies the minimum hourly wage rate for each occupation.
• Details required fringe benefits, including Health & Welfare rates.
• Includes notes on Executive Orders (EO) 13706 and 13658, which mandate paid sick leave and minimum wage adjustments for federal contractors.
• Outlines vacation and holiday policies.
• Provides guidance on the conformance process for additional classifications and wage rates not listed.

This document is crucial for bidders to understand the labor costs associated with performing the contract. Bidders must ensure their proposals account for at least the minimum wage rates and fringe benefits specified herein for all covered employees. Failure to comply can lead to contract violations. The document also clarifies requirements related to paid sick leave and minimum wage adjustments under relevant Executive Orders.

Form / Attachment / Pricing Sheet

This document provides detailed engineering drawings and specifications for an antenna assembly. It includes information relevant to installation, power requirements, cooling, and physical dimensions.

• General Notes: Specifies installation requirements, shock and vibration standards (MIL-STD-901D, MIL-STD-167-1A), lifting hardware, torque values, and bonding/grounding procedures (MIL-STD-1310).
• Tables:
  • Table 1: Summarizes power requirements (115VAC, 60 Hz, 17.0 Amps operating line current, 1961 Watts max operating power), weight (260 lbs uncrrated), and overall dimensions (40.0 x 30.5 x 7.9 inches).
  • Table 2: Details connector pinouts for AC power input (UPS and IPS), fiber optic data/control ports (Beams A, B, C, D), and service ports, along with associated specifications.
  • Table 3: Lists mounting and grounding hardware, including part numbers and quantities.
• Cooling and Dry Air Requirements: Specifies requirements for coolant (50/50 EGW or water) and dry air (MIL-STD-1399-102A), including flow rates, pressures, and fitting types.
• Drawings: Illustrate the physical layout, connector locations, mounting points, and flow diagrams for dry air and coolant.

This document is critical for bidders to understand the physical, electrical, and environmental specifications of the antenna assembly. It provides essential details for:

• Installation Planning: Dimensions, mounting hardware, and lifting points.
• System Integration: Power, data, and cooling interface requirements.
• Environmental Considerations: Shock, vibration, and thermal management.
• Procurement: Specific hardware and material requirements.

Form / Attachment / Pricing Sheet

This document contains representations and certifications related to telecommunications and video surveillance equipment and services, as required by various Federal Acquisition Regulation (FAR) and Defense Federal Acquisition Regulation Supplement (DFARS) provisions. It is intended to ensure offerors are aware of and comply with restrictions on the use of certain telecommunications equipment and services.

• FAR 52.204-24: Requires offerors to represent whether they provide or use "covered telecommunications equipment or services" as part of their offered products or services to the Government. It also requires disclosure of specific information if the offeror "will" provide such equipment/services or "does" use such equipment/services.
• FAR 52.204-26: Similar to 52.204-24, this provision requires representation regarding the provision or use of covered telecommunications equipment or services. It references the System for Award Management (SAM) for lists of excluded parties.
• DFARS 252.204-7016 & 252.204-7017: These provisions address "covered defense telecommunications equipment or services" and prohibit their procurement or use for "covered missions" unless a waiver is granted. They also require representations and disclosures from offerors.

Offerors must carefully review these provisions and accurately complete the required representations and disclosures. Failure to do so may impact their ability to be considered for award. Bidders need to understand what constitutes "covered telecommunications equipment or services" and "covered defense telecommunications equipment or services" and whether their proposed solutions involve such items. The document directs bidders to check SAM.gov for excluded parties and may require detailed information about the origin and use of any covered equipment or services.

Solicitation / RFP / RFQ

This is a combined synopsis and solicitation for commercial products and services, prepared in accordance with FAR Subpart 12.6. It serves as the only solicitation, and no separate written solicitation will be issued. The acquisition is for packaged close-loop chiller systems, pole mount air dryers, and associated services as detailed in the Statement of Work (SOW).

• Packaged Close-Loop Chiller System (P/N: PCP-200-30A-WP) - Quantity: 1

• Model 3200 Pole Mount Air Dryer (P/N: 60625) - Quantity: 1

• Services as per the attached Statement of Work (SOW).

• Offerors must provide all listed items and quantities; partial quotes will not be considered.

• Quotes must address technical approach, specifications, and commercial warranty.

• Sustainable acquisition categories must be indicated if applicable to proposed products/services.

• Contract Type: Firm-Fixed-Price (FFP)

• Period of Performance: March 1, 2026, to May 1, 2026

• Estimated Value: Not explicitly stated, but the NAICS code 238290 has a small business size standard of $22,000,000.00.

• Place of Performance: NIWC Pacific, 4297 Pacific Hwy, BLDG. OT7, San Diego, CA 92110.

• Submission Deadline: February 11, 2026, at 2:00 PM Pacific Time.

• Submission Method: Via the Solicitation Module within the Procurement Integrated Enterprise Environment (PIEE) website.

• Questions Due Date: February 9, 2026, at 12:30 PM Pacific Time, submitted via email.

• Evaluation Factors: Quotes will be evaluated based on Technical, Price, and Past Performance. The award will be made to the responsive, responsible vendor whose quote is most advantageous to the Government.

• Offerors must be registered in the System for Award Management (SAM).

• This procurement is a Small Business Set-Aside. Only quotes submitted by Small Business Concerns will be accepted.

• Offerors must provide their Business Size and Type based on the applicable NAICS Code.

• The solicitation incorporates numerous FAR and DFARS provisions and clauses by reference. Offerors are responsible for familiarizing themselves with these.

• Attachment 1: Statement of Work (SOW)

• Attachment 2: Antenna Drawings

• Attachment 3: FAR & DFARS Provisions for Certification

• Attachment 4: Sample Wage Determination