electrical main line wiring including supply of associated electrical componenets at bijan setu via duct of scheme no. kasba-i under housing sector, kmda- 1 distribution wiring in 1.1 kv single core stranded fr pvc insulated & unsheathed copper wire ( brand approved by eic ) in 20mm size pvc rigid conduit fr ( precision make ) incl. necy. fittings as required ( iii ) 2 x 56 / 0.3 ( 4 sqmm ) + 1 x 36 / 0.3 ( 2.5 sqmm ) ecc 2 distribution wiring in 1.1 kv grade 2x22 / 0.3 ( 1.5 sqmm ) single core stranded fr pvc insulated & unsheathed copper wire ( brand approved by eic ) in suitable size pvc casing-capping ( precision make ) with 1x22 / 0.3 ( 1.5 sqmm ) single core stranded fr pvc insulated & unsheathed copper wire for ecc, incl. necy. pvc clips, fittings etc. to light / fan / call bellpoint with piano key type switch ( anchor make ) fixed on sheet steel fabricated switch board with perspex / bakelite top cover on wall incl. necy. connections and making earthing attachment and mending good damages to building works. [ pvc casing-capping and switch board both on surface ] average run 5 mtr 3 supply of mcb enclosure 2-way 4 supplying and fixing 240 / 415 v mcb of breaking capacity 10ka & c characteristics on din rail of existing dbs and necessary connection ( legrand orequivalent ) dp 6-32 a 5 earthing with 50 mm dia gi pipe3.64 mm thick x 3.04 mtr long and 1x4 swg gi ( hot dip ) wire ( 4 mtr long ) , 13 mm dia x 80 mm long gi bolts, double nut, double washer incl. s & f 15 mm dia gi pipe protection ( 1 mtr. long ) to be filled with bitumen partly under the ground level and partly above ground level driven to an average depth of 3.65 mts. below the ground level as below: ( a ) tata-medium gi pipe. 6 supplying and fixing sheet steel main switches on angle iron frame on wall.60 / 63 a havells 7 supplying & fixing sheet metal ( 16 swg ) iron clad busbar chambers on angle iron frame on wall, incl. earthing attachment and painting as required – ( as per drawing no. 470 of pwd specification book – may 1991 ) 4 bars 4 x 20x5mm500x150mm 8 supplying & fixing earth busbar of galvanized ( hot dip ) ms flat 25 mm x 6 mm on wall having clearance of 6 mm from wall including providing drilled holes on the busbar complete with gi bolts, nuts, washers, spacing insulators etc. as required. 9 connecting the equipments to earth busbar including s & f gi ( hot dip ) wire of size as below on wall / floor with staples buried inside wall / floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages. solid gi wire. ( iv ) no. 10 swg