The contractor shall provide all certified labor, materials, parts and transportation required to maintain and repair Government Owned Marathon (MTU) Generator, Mercedes (Engine Manufacturer) which consist of the following additional parts: ASCO Automatic Transfer Switches (ATO) (Low Voltage), Paralleling Gear, MV Gear (Rolls Royce Controls Only), associated batteries (Paralleling and MV Gear). The equipment is located at the Joint Base Anacostia-Bolling, 2713 Mitscher Rd., SW, BLDG. 168, Anacostia Annex, D.C. 20373.