Statement of Work Rev-1

Statement of Work (SOW)

Replacement of Existing HVAC System at
Deep Fork National Wildlife Refuge’s Headquarters
October 7, 2026
General: This is a non-personnel services contract to remove and replace the existing HVAC system for the Headquarters at Deep Fork National Wildlife Refuge, Oklahoma (DFNWR). Description of Services/Introduction: The Contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other items necessary to remove and replace the existing HVAC system with a new and updated system having proper installation and a manufacturer’s warranty at DFNWR Headquarters.
Place of Performance: The work to be performed under this contract will be performed at: Deep Fork National Wildlife Refuge
21844 South 250 Road
Okmulgee, OK 74447
Background:
Deep Fork National Wildlife Refuge Headquarters facility was built in 2011, it is approx. 3,000 Sq Ft with 7 office spaces, conference room and visitor contact station. The existing 2 Carrier heat pump systems Model # FE4ANB006 is at or near its life expectancy. The system was neglected for multiple years with little to no maintenance. Currently the HVAC system is unbalanced and has condensation at some of the vents. See below for current equipment specifications:
Current Equipment: Carrier
Model # FE4ANB006
Unit 1 Serial # 4910A81854
Unit 2 Serial # 4710A84941
Volts 208/230
Motor HP ¾
Motor FLA 6.8
Phase/Hertz 1/60
Test Static 0.50 IN. W.C.
Refrigerant 410A DESIGN PSIG450
Date of Manufacture Nov 2010
Prod # 25HNA960A0033030
Model # 25HNA960A330
Unit 1 Serial # 1010E12771
Unit 2 Serial # 4410E07047
This contract supports removal and replacement of the existing HVAC systems with a new and updated system having proper installation and a manufacturer’s warranty.

Objectives:
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Remove existing equipment and replace with 2 Ruud heat pump systems (RH2VY6024STACNJ) and 2 Endeavor® Line Classic Plus® Series 5 Ton - 16 SEER2 - Heat Pump -R-454B (RD16AY60AJVCA) or equivalent.
Add for return air and splitting returns to air handlers Install new Smart Thermostat and EcoNet
Balance HVAC System
Update and modify return ductwork to prevent a common return, proper airflow and system performance.
Seal all ductwork in the attic and mechanical room to reduce air leakage and improve efficiency. Install new refrigerant (freon) line sets for the new equipment installation.