Supply installation commissioning testing of silent type Diesel Engine driven generating set of cap 320KVA or 256KW 0 point 8PF 415V 3Phase 4 wire system engine as per ATC,Eart hing complete with galvanized steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground Earth pit not less than 2 point 25M deep below ground level with top as per ATC,Supplying laying passing through trench wall pipe connecting and testing UB cable XLPE insulated armoured heavy duty electric cable with aluminium conductor 1100V grade for the size as per ATC,Excavation in trenches in soft or loose soil not exc 1 point 5 meter wide and not exc 1 point 5 meter deep and getting out in soft or loose soil for laying of cableor foundation of pole as per ATC,Returning filling in soil including spreading levelling watering and well ramming in layers n exc 25 cm,Removing surplus excavated materials not exceeding 50 mtr and depositing where directed at a level not exceeding 1 point 5 mtr above ground level from starting point