Remove existing generator with sub-base diesel fuel tank, automatic transfer switch and associated conduit/wiring. Remove concrete pad for existing generator, acoustical insulation and louvers at existing Generator Room. Convert existing Generator Room to a Custodial Storage Room by patching the existing slab, relocating an existing door, infilling existing louver opening with CMU, adding windows and modifying the lighting system. Remove portions of CMU wall and concrete pad for the trash dumpster area to accommodate the new generator. Provide new weatherproof soundattenuating generator, automatic transfer switch, portable generator connection cabinet, conduit/wiring, junction boxes and reconnect existing main emergency power panel. Restore concrete pad and sidewalk for new underground concrete encased ducts. Provide new concrete pad for new generator and extend concrete pad of existing dumpster area to accommodate new generator. Disconnect luminaires in the Dispatch Supervisor Office from normal power lighting circuit and reconnect to luminaires to emergency power lighting circuit. Disconnect receptacle circuits for the Dispatch Supervisor Office and Dispatch area from normal power circuits and reconnect to emergency power circuits. Provide junction boxes; conduits; wiring; patching and refinishing of building surfaces; and all other improvements as indicated on the drawings, complete in place.