supply and fitting fixing of main switch, pipes, dismantling joints and other additional electro-mechanical work at at ohr site of augmentation of joypur water supply scheme under purulia mechanical division phe dte.- 1 supply and delivery of 400 amps switch disconnector fuse(hrc) unit type tpn main switch with steel sheet enclosure (conforms: is/iec600947-1&3). (make: approved make of phed) 2 supply and delivery of 1.1kv grade 120 sq.mm 3.5 core xlpe insulated aluminium armoured cable conforming to is 7098 (part-i) 1988, with upto date amendments. make- phed approved make 3 supply, delivery of 300 mm dia. 5 mm thikness mserw pipes as per is: 1239 (part i & ii) for suction common header lines.(make: approved make of phed) 4 supply, delivery of 150 mm dia. 5.4 mm thikness mserw pipes as per is: 1239 (part i & ii) for suction common header lines.(make: approved make of phed) 5 supply and delivery of 300 mm dia. 10.5 kg/cm² ms slipon flange. asa 150 b16.5 6 supply and delivery of 300 mm dia. 10.5 kg/cm² msblank flange. asa 150 b16.5 7 supply and delivery of ms dismantling joints with rubber compression ring and adjustable follower flanged complete assembled unit with galvanized stud and nuts. pn 1.0 ratings.i) dn 200 mm 8 ii) dn 150 mm 9 wiring in 1.1 kv grade single core stranded fr pvc insulated & unsheathed copper wire (brand approved by eic) of following sizes in 25mm pvc casing-capping (precision make) incl. necy. pvc clips, fittings etc.2 x 36/0.3 (2.5 sqmm) + 1 x 22/0.3 (1.5 sqmm) 10 supply & fixing 240 v, 16 a, 3 pin modular type plug socket (brand approved by eic) with 16a modular type switch, without plug top on 4 module gi modular type switch board with top cover plate flushed in wall incl. s&f switch board and cover plate and making necy. connections with pvc cu wire and earth continuity wire etc. 11 installation above supplied item no. 1.00 to 7.02 and making pipe line with supply and fixing of all necessary nut, bolt, flange, etc. including labour charges of cutting welding by machinery tools and hire charges of generator, welding set, fuel, lubricants etc. with drawing of power cable from wbsedcl meter to main switch to mcc panel through wall/surface including s & f ms clams with earthing attachment in 2 x 10 swg gi (hot dip) wire, making hole etc. as necy., mending good damages and painting and fixing main switch on ms angle frame with double earthing arrangement with s & f necy cable gland, lugs, nut, bolt etc. as per direction of eic. 12 add gst @ 18% 13 add cess @ 1%