Work to be performed under this contract includes, but is not limited to furnishing all labor, equipment, and materials necessary for replacement of an existing generator located in a vault. Work involves removal of a portion of the vault roof, removal of the generator and ancillaries, installation of a new generator and revisions, replacement of generator electrical components such as ATS, conduit, and wiring, installation of a fuel tank, concrete work for generator pad, HVAC fan and ductwork, combustion air piping and insulation, lighting, new concrete air exhaust plenum, appurtenances, and landscaping work. Temporary erosion/water pollution control, temporary traffic control and devices, property restoration and other miscellaneous items will also be necessary to complete the work.