A04_REVISED-FY26_2026-02_SOW_Heat_pump_TS_and_Repair_0001.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 of the HVAC system at Building 26, Gateway National Recreation Area Sandy Hook Unit, dated February 2026, issued by the National Park Service Northeast Region.
The contractor shall conduct complete troubleshooting and repair of the entire HVAC system serving both floors of Building 26 located at 26 Hudson Road, Fort Hancock, New Jersey 07732. The first floor system consists of one 12-ton Daikin VRV-IV Heat Pump condensing unit (Model RXYQ144XATJA, Serial 2107501409, R410A refrigerant at 18.1 lbs) with five stand-up units and one fan coil unit. The second floor system includes one 14-ton Daikin VRV-IV Heat Pump condensing unit (Model RXYQ168TTJU, Serial 1505303009, R410A refrigerant at 17.2 lbs) with four air handler units. The first floor system has a suspected leak with low refrigerant; the second floor system had previously repaired leaks but does not hold charge. The contractor must conduct full system diagnostics, repair up to six faulty valves or fittings using brazed (not crimped) connections, perform pressure and vacuum testing, recharge systems with R410A refrigerant (estimated not to exceed 75 lbs total), and provide detailed troubleshooting findings and warranty information on all materials. All work must comply with applicable codes, manufacturer guidelines, and the contractor must hold all required mechanic licenses. Work must commence within two weeks of contract award and be completed within 21 days of the notice to proceed, performed Monday through Friday between 7 a.m. and 5 p.m., excluding federal holidays. Site visits are strongly encouraged prior to bidding and must be scheduled through the park point of contact.
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Gateway National Recreation Area Sandy Hook Unit
REVISED
Troubleshoot and Repair HVAC System at Building 26
DATED:
February 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 Building 26 and make the systems fully operational.
The HVAC system for Building 26 consists of one (1) x Twelve (12)-ton Daikin VRV-IV Heat Pump condensing unit for the first floor of the building, and one (1) x fourteen (14)-ton Daikin VRV-IV Heat Pump condensing unit for the second floor on the building. The inside HVAC system consists of, but not limited to four (4) stand-up units, and one (1) air handler unit on the first floor, and four (4) air handler units on the second floor.
The HVAC system for the first floor has a suspected leak and low refrigerant. The HVAC system for the second floor had one leaking elbow and two leaking couplings 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 Outdoor Condensing Unit-1st Floor:
Daikin VRV-IV Heat Pump Unit Model Number: RXYQ144XATJA Serial Number: 2107501409 Refrigerant: R410A; 18.1 lbs.
12-Ton VRV-IV Heat Pump Unit - 230V
Daikin Air Units on the 1st Floor:
Daikin Industries 5 x stand-up units 1 x Fan Coil Unit (Model Number: FXTQ24PAVJU)
Daikin Outdoor Condensing Unit-2nd Floor:
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 Units on the 2nd Floor:
Daikin Industries 3 x Model Number: FXMQ48PAVJU 1 x Model Number: FXMQ36PAVJU
The Contractor shall:
Conduct an entire system check of both the first and second floor HVAC systems to determine the cause(s) of the failed system. The Contractor is responsible for the diagnosis and troubleshooting of the entire buildings HVAC systems.
Provide all materials and labor required for troubleshoot, testing, and repair of the entire existing building’s 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 systems, 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 building’s entire HVAC systems with the proper refrigerant (R410A) and make the systems fully operational again. The total amount of refrigerant necessary is not known, however it is estimated not to exceed 75-lbs. The contractor will be required to determine and provide the total amount of refrigerant needed to properly charge the systems. 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 HVAC system inspection (for both 1st and 2nd floor), including but not limited to pressure and vacuum testing, of the newly repaired systems to verify the entire system is working properly.
All work shall be done by code. All manufacturers’ guidelines and requirements shall be followed.
The Contractor shall be qualified to work on the units and systems being repaired. 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 Pumps are attached. Photos of the HVAC Systems are attached.
The Primary Contractor Shall hold all required mechanic licenses to work on the HVAC system.
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. The Contractor 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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