26-19 - Clemens Center Rooftop Units Replacement Project

The project consists of all necessary work to replace twenty one (21) existing rooftop units with new Lennox LGH RTUs. All gas piping is to be disconnected and extended to new equipment as required. All gas valves and pressure regulators are to be checked for proper operation and replaced as needed. Roof curb adaptors are to be provided at all units. Supply and return air ductwork for rooftop units located over non-occupied spaces shall be extended below the ceiling and all existing ductwork shall be abandoned in place. New rooftop unit controllers shall be provided in the unit and integrated into the building management system. A service platform shall be provided to work on one elevated rooftop unit as indicated on the drawings. Electrically, the rooftop units shall be temporarily disconnected to facilitate removal. All rooftop units are to receive new non-fused disconnected switches at each RTU. Existing branch circuits are not adequate with new rooftop electrical loads. Duct smoke detectors are to be provided as required. New weather proof GFI duplex receptacles are to be provided as indicated on the drawings. All rooftop units to receive new fuses in existing electrical gear. An alternate shall be provided to remove and replace all existing electrical branch circuits to each rooftop unit with new wiring in existing conduit.