repair/ replacement of earthing alongwith connected works at hq cif(r) and sig regt under age (i) cif (r); 1 m&lin replacement of earthing complete with galvanised mild steel earth plate electrode 60cmx60cmx6mm thick, burried directly in ground preferably in vertical position (earth pit not less than 2.25 mtr below ground level) with top edge of the earth plate not less than 1.5 mtr below normal ground level, connected to galvanised iron strip 25×4 mmby means of bolts, nuts, check nuts and washers of galvanised iron including pit of pcc (1:2:4) type b-1, pre cast rcc cover slab of size 550x550x75mm, xpm reinforced not less than 1.60kg/sqm with suitable built in handle made from 12mm dia ms round bar, excavation and earth work in any type of soil, 20mm dia bore medium grade galvanised iron water tubing fixed with cast iron funnel and wire mesh at one end, 15mm bore light grade galvanised iron protection pipe for earth lead wire upto 5m length, charcol, common salt complete all as shown in electric plate no 3 of ssr 2009 part i connected to equipment, testing on completion, complete all as specified and directed. 2 m&lin replacement of earthing complete for bldgwith galvanized mild steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 meters below ground level) with top edge of earth plate not less than 1.5 meters below ground level connected to galvanized earth wire 4.00 mm diaby means of nuts, bolts, thimbles, chuck nuts, washers of gi or steel,pcc (concrete chamber of size 300 mm x 300 mm x 300 mm inside dimension) shall be pcc 1:3:6 type c-1 using 20mm graded stone aggregate with fair finish ,internal surface of concrete chamber shall be given 15mm thick plaster in cm 1:4, funnel with wire mesh of 22 gauge,80 mm thick pcc pit cover 320 mm x 320 mm of rcc 1:2:4 type b-1 using 20 mm graded stone aggregate reinforced with xpm, jalli pit shall be filled withcharcoal dust and common salt all as shown in electrical plate no 3 of mes ssr part-i (2009) as specified includingprovision of 15mm dia medium grade gi pipe for earth wire protection and 20 mm dia for watering complete ,all excavation andearth work & connecting the earthing to an earthing test point / main switch board as specified and testing on completion, complete all as specified and directed. 3 all as per description of item 2 above but for earthing of machinery/equipment installed at power house/substation, using 25 x 3 mm copper strip and copper plate of size 60×60cm ×3.15mm, as earth electrode, complete all as specified and directed. 4 s&f in replacement of earth continuity conductor or main earthing lead fixed to wall or batten or recess or chases or burried in ground or drawn in coduit/ pipe or any other indicated situation for loop earthing etc. as required20x3 mm copper stripcomplete all as specified. 5 s&f in replacement of earth continuity conductor or main earthing lead fixed to wall or batten or recess or chases or burried in ground or drawn in coduit/ pipe or any other indicated situation for loop earthing etc. as required25x4 mm gi stripcomplete all as specified. 6 s&f in replacement of earth continuity conductor or main earthing wire fixed to wall or batten or recess or chases or burried in ground or drawn in coduit/ pipe or any other indicated situation for loop earthing etc. as required4 mm gi wire complete all as specified and directed. 7 supply and fixing in replacement of air termination, single pointed aluminium rod 12mm dia and 300mm long complete all as specifed and directed. 8 supply and fixing in replacement test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw, complete all as specified and directed. 9 supply and fixing in replacement of aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified and directed. 10 s&f pvc insulated multistranded copper conductor 1 x 16 sqmm as earth continuity conductor or main earthing lead fixed to wall or batten or recess or chases or burried in ground or drawn including fixing materials like copper thimbles, saddles and screws inrigid pvc coduit/ pipe 20 mm dia or any other indicated situation for loop earthing etc. as required complete all as specified. 11 supply and fixing in replacement of sheet metal enclosure, spn type with two pin & earth plug and socket (industrial type db) with and including one mcb sp, c curve type of capacity 20 amp, 10 ka complete all as specified and directed. 12 m&l of wiring for circuit/submain wiring alongwith earth wire of frlsh pvc insulated copper conductor,single core cable in surface/recessed of size 4x16 sq mm + 2x16 sq mm earth wire including suitable size ofpvc conduit concealedand lugs/thimble with nuts,bollts and washers etc complete all as specified and directed. 13 m&l of wiring for circuit/submain wiring alongwith earth wire of frlsh pvc insulated copper conductor,single core cable in surface/recessed of size 4x10 sq mm + 2x10 sq mm earth wire including suitable size ofpvc conduit conceiledand lugs/thimble with nuts,bollts and washers etc complete all as specified and directed. 14 m&l in replecement of wiring for circuit/submain wiring for industrial socket alongwith earth wire of frlsh pvc insulated copper conductor,single core cable in surface/recessed of size 2x6 sq mm + 1x6 sq mm earth wire including suitable size ofpvc conduit conceiledand lugs/thimble with nuts,bollts and washers etc complete all as specified and directed. 15 supply and laying in replacement of gi pipe medium grade in replecement of 50mm dia laid in trenches for protection of ug cable complete all as specified and directed. 16 excavation in tranches in hard/dense soil not exceeding 1.5m depth not exceeding 1.5m in width over energised lt cables for carrying out brick work for preparation of cable duct including for taking out and relaying of lt cables in hard standing surfaces ,road cutting etc complete all as specified and as directed. 17 returning, filling in, including spreading, levelling, watering and well ramming in layers n. exc 25 cm in any type of soil complete all as specified and directed. 18 removing surplus spoil to a distance not exceeding 50m and deposited where directed at a level not exceeding 1.50m from the starting point, all as specified . 19 m & l for pcc (1:3:6) type c1 using 20 mm graded stone aggregate for foundationof pole around poleall as specified and as directed by engineer-in-charge. 20 supply & fix rigid non-metallic pvc conduit 32mm exclusive of boxes (junction/ terminal) but inclusive of all tees, bends, elbows, reducers, bell mouth tube ends and fixing accessories such as couplers, lock nuts, saddles, pipe hooks etc, complete all as specified and directed. 21 supply & fix in replacement of pvc flexible spiral pipe 50mm dia, complete all as specified and directed. 22 deduction to be made from boq for schedule of credit (sch a part - ii) amount of ₹ 34,225.00during aocnote:- tenderers shall not quote for this schedule