Description
The US Coast Guard is seeking a contractor to replace the HVAC unit at the USCG Station Washington, building 92, located on Joint Base Anacostia-Bolling. The contractor will be responsible for determining heat load calculations, providing and installing new units, removing and disposing of the current units, replacing wiring and conduit, and replacing thermostat control wiring. The contractor must also provide a written copy of the load calculations to the owner.
• The new unit must be EPA approved A2L based refrigerant, either R-454B or R-32, preferably R-454B.
• The contractor must pull and install a new line-set, including new suction lines and liquid lines.
• The contractor must install a new liquid line drier for each circuit and locate it indoors near the air handler.
• The contractor must replace any corroded or damaged conduit or wiring found during the demo of existing equipment.
• The contractor must provide and replace the existing thermostat to match the system function.