generator 160 kva ( 25 nos ) , supply , installation , testing and commissioning of 160 kva diesel generator except the following , rcc foundation for housing the dg set ( above 62 . 5 kva ) in the ratio 1:2:4 ( m-20 grade ) with 20mm metal , 10 mm reinforcement on both sides 15 cm c / c and cement plastering . ( foundation should be constructed by providing additional 1 feet extension of the dg dimension on each side . also the the height of foundation should be 30 cm above ground level ) , supply of suitable size extra ms exhaust line as per standard including factory made bends , flanges , nut , bolt and necessary supports and covered with laying of glass wool and cladding with aluminium with accessories pipe and silencer wherever necessary suitable for dg set supplied . ( per meter ) , 4 nos of gi plate earthing pits required for the dg set including construction of earth chamber and covering with heavy duty cast iron cover hinged to cast iron frame including providing and fixing 25 mm x 5 mm copper strip on surface or in recess for connections etc . as required . the distance between 2 pits shall beminimum 3 metres , all the electrical connections to the existing busbar / system through change over switch and commissioning with suitable cable of size 1 . 1 kv grade 185 sq mm 4 core ( per meter ) . the laying of cable shall be as per the ksei standards , which includes laying directly on wall surface ( clamped with 40 x 3mm ms flat clamp ) , all the electrical connections to the existing busbar / system through change over switch and commissioning with pvc insulated and pvc sheathed armoured aluminium power cable of 1 . 1 kv grade size 185 sq mm 4 core ( per meter ) . laying of cable in ground including excavation of trench of size 35 x 75 cm , refilling the trench etc . as required but excluding sand cushioning and protective covering , all the electrical connections to the existing busbar / system through change over switch and commissioning with pvc insulated and pvc sheathed armoured aluminium power cable of 1 . 1 kv grade size 185 sq mm 4 core ( per meter ) . laying of cable in in the rcc / hume / stone ware / gi / dwc pipe as required ( for road crossing etc ) , all the electrical connections to the existing busbar / system through change over switch and commissioning with pvc insulated and pvc sheathed armoured aluminium power cable of 1 . 1 kv grade size 185 sq mm 4 core ( per meter ) . laying of cable on factory made perforated trays ( 300mm width and 50mm depth ) with required bends . , canopy with 0 . 35mm thick powder coated gi sheet for the safeguard of dg set and enclosure to control panels . the sheet should be extended to 90 cm from the foundation on all sides . truss work shall be with gi frame work sufficient to withstand the sheet roofing and the shall be neatly painted . minimum height of canopy shall be 3 . 6 mtrs from the foundation . , all statutory approval from electrical inspectorate , spcb , local bodies etc and the same is to be regularized from kseb , supply and installation of generator amf control panel with required size of mccb as incomer each for mains and dg supply , contactors of required specifications , necessary indication lamps , control switches , fuses , push bottons , voltmeter , ammeter , frequency meter etc , supply and laying of 12c x 2 . 5 sq . mm copper cable for amf control cabling , supply and laying of 4c x 2 . 5 sq . mm copper cable for amf control cabling , supply and installation of 250a 4 pole manual changeover switch for necessarry by-pass arrangement if required . ( mains supply by-pass ) , the epoxy coating for all the metallic parts of the dg set and its components in costal areas ( not taken for evaluation )