A04_FY26_2026-01_SOW_Heat_pump_TS_and_Repair.pdf
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- Attached to
- GATE-TROUBLESHOOT & REPAIR HVAC-BLDG 26
- Solicitation number
- 140P4526Q0010
About this file
This is a Statement of Work (SOW) for troubleshooting and repair services of an HVAC system at Building 26, Sandy Hook Unit, Gateway National Recreation Area in Fort Hancock, New Jersey.
The National Park Service requires a contractor to conduct complete diagnostic testing and repair of the second floor HVAC system, which consists of one 14-ton Daikin VRV-IV Heat Pump unit (Model RXYQ168TTJU, Serial 1505303009) and four Daikin air handler units (three Model FXMQ48PAVJU and one Model FXMQ36PAVJU). The system currently fails to hold a charge despite prior repairs to one leaking elbow and two leaking couplings. The contractor must identify and repair all leak sources (estimated up to six faulty valves or fittings), use brazed fittings exclusively, perform pressure and vacuum testing, and recharge the system with R410A refrigerant (estimated not to exceed 50 lbs). All work must comply with manufacturer specifications and applicable codes. The contractor must provide detailed troubleshooting findings, manufacturer specifications and manuals for all materials, and warranty information. The contractor must hold all required mechanic licenses and perform a minimum of 51% of the labor.
Work must commence within two weeks of contract award and be completed within 21 days of the notice to proceed. Work hours are 7 a.m. to 5 p.m., Monday through Friday, excluding federal holidays, unless otherwise approved by the Contracting Officer's Representative (COR). Site visits are strongly encouraged and must be scheduled through the park point of contact. Any issues exceeding the scope assumptions must be reported immediately to the COR for direction.
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Text version
Gateway National Recreation Area Sandy Hook Unit
Troubleshoot and Repair HVAC System at Building 26
DATED:
January 2026
NATIONAL PARK SERVICE
NORTHEAST REGION
SCOPE OF WORK
Troubleshoot and Repair HVAC System at Building 26 Gateway National Recreation Area - Sandy Hook Unit
Intent The intent of this contract is for a complete Troubleshooting and Repair of the entire existing HVAC system for the second floor of Building 26 and make the system fully operational. The HVAC system for the second floor of Building 26 consists of, but not limited to, one (1) x fourteen (14)-ton Daikin VRV-IV Heat Pump unit, and four (4) air handler units. One leaking elbow and two leaking couplings were detected and repaired; however, the system still does not hold a charge. All work will be conducted at 26 Hudson Road located in the Sandy Hook Unit of Gateway National Recreation Area, Fort Hancock, and Monmouth County, New Jersey 07732.
Daikin Condensing Unit:
Daikin VRV-IV Heat Pump Unit Model Number: RXYQ168TTJU Serial Number: 1505303009 Refrigerant: R410A; 17.2 lbs 14-Ton VRV-IV Heat Pump Unit - 230V
Daikin Air Handler (4 Units):
Daikin Industries 3 x Model Number: FXMQ48PAVJU 1 x Model Number: FXMQ36PAVJU
The Vendor shall:
Conduct an entire system check of the second floor HVAC system to determine the cause(s) of the failed system. The Contractor is responsible for the diagnosis and troubleshooting of the entire second floor HVAC system.
Provide all materials and labor required for troubleshoot and repair of the entire existing second floor HVAC system. The contractor shall provide the detailed findings of the troubleshooting to the Park.
The Park assumes that the problem that is causing the leak(s) can be up to 6 faulty valves or fittings that will need to be replaced. If there are any other issues discovered when troubleshooting and pressure testing the system, the Contractor shall inform the COR immediately to discuss the needed course of action.
No compression/Crimped fittings shall be used. All fittings and refrigerant lines shall be brazed.
Provide all material and labor for the recharging of the entire second floor HVAC system with the proper refrigerant (R410A) and make the system fully operational again. The total amount of refrigerant necessary is not known, however it is estimated not to exceed 50-lbs. The contractor will be required to determine and provide the total amount of refrigerant needed to properly charge the system. If the total refrigerant is greater than the estimated amount the Contractor shall inform the COR immediately to discuss the needed course of action.
Complete an entire second floor HVAC system inspection, including but not limited to pressure and vacuum testing, of the newly repaired system to verify the entire system is working properly.
All work shall be done by code. All manufacturers’ guidelines and requirements shall be followed.
Contractor shall be qualified to work on units and system being repairs. All parts/materials shall be from or approved by the manufacture of the units being repaired.
A copy of the Construction Drawings of the HVAC system, along with the cut sheets of the
Daikin Heat Pump are attached. Photos of the HVAC System are attached.
The Primary Contractor Shall hold all required mechanic licenses to work on the HVAC replacement, and the Primary Contractor shall perform a minimum of 51% of the labor.
Information Package on Materials Provided:
Contractor must provide all manufacturers specs, manuals, and information on all materials they are providing.
Contractor must supply warranty information on all applicable materials.
Site Visit All potential contractors are strongly encouraged to visit the site prior to bidding on the work. If a contractor does not complete a site visit, it does not relieve them of the accuracy of their pricing. The set days of the site visit will be specified, and the hours of the site visit will be between 9 am and 2 pm. The visit needs to be scheduled through the park POC.
Work Location The location of the work to be performed is at the Sandy Hook Unit of Gateway National Recreation Area, 26 Hudson Road, Fort Hancock, NJ 07732. Vendor shall contact COR and coordinate all onsite work to be performed.
Period of Performance All HVAC troubleshooting and construction fieldwork activities shall commence within 2 weeks of Contract Award. Work shall be completed within 21 days after the CO issues the notice to proceed.
Work shall be performed between the hours of 7 a.m. and 5 p.m. during the work week Monday through Friday excluding Federal Holidays, unless prior approval is given by the COR.
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