tender for civil work for construction of control room building with septic tank, bore well, electrification works, fencing, yard retaining wall, levelling the yard, reinforced cement concrete cable duct, water line arrangements, earth pits, drainage facility, reinforced cement concrete road with culvert, formation of paver block work and structural plinth foundation concrete works and electrical work for labour charges for fabrication, erection of structures including supply of ms materials, erection of equipments and earthing etc., for the establishment of gopalapuram 110/11 kv sub station with 1x10mva,, 110/11kv power transformer etc.