supply and installation of electrical items in place of damaged items for operating big dia tubewell at jadavpur north road and other 5 big dia tubewell= 1 supply & delivery of 415 v, 50 hz,3 ph.ac fully automatic star delta starter of continuous duty in sheet steel enclosure of the following capacity (make:l&t/abb/schneider): 50 hp ( with relay of max range in amp 28-42) 2 schedule of rates for earthing installations.earthing installation by gi pipe ... (for sub(station neutral/equipment earthing).earthing with 65 mm dia gi pipe (tata(medium)x 3.0 mts. long and 1 no. 50 mm x 6 mm galvanized (hot dip) steel strip (4 mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and s & f 65 mm dia gi pipe (isi medium) protection (3 mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 mts 3 supplying and fixing 415v, tpn sfu with sheet steel enclosure on flat iron/angle iron frame on wall with nuts bolts etc incl. s & f 3 nos. din type hrc fuse as per rating. angel iron frame 100a l&t 4 finishing cable ends.(b)finishing the end of following xlpe/pvc armoured cables by crimping method incl. supplying and fixing solderless socket (dowels make), tapes, anticorrosive paste & jointing materials.3... core 25 sqmm cable 5 compression glands.supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture(proof entry of xlpe/pvc armoured cables as below: for 3... core.(i)upto 25 sqmm 6 supplying and drawing 1.1 kv single core stranded fr pvc insulated & unsheathed single core stranded copper wire (brand(approved by eic) of the following sizes in the prelaid polythene pipe and by the prelaid gi fish wire and making necy. connection as required 4 x 126/0.4 (16 sqmm) 7 supply and fixing of analog voltmeter ranging from 0-500 v of 144 mm sq size (make :ae/kappa/imp). 8 supply & fixing of 415/440 volt, hrc fuse (make: l&t/ havels/cgl/ge).for 250 amp supply and fixing of analog ammeter ranging 0-100amps having c.r ratio of 100/5a, 144 mm sq size (make:ae/kappa/imp). 9 supply and delivery of single phase preventer relay suitable for 415v, 6 wire, upto 20hp motor (make: l & t/abb/schneider/ simence/ minilic/ ge). 10 fixing only single phasing preventor on flat iron frame on wall 11 supplying of 1.1 kv. grade pvc insulated conductor of following cables (make: polycab/ gloster/havells/):size in sq. mm, no & dia. of wire in mm , no of core - 35 7/2.50 3... 12 laying on wall / surface with saddles / clamps.(c)laying of cable from 3/3... core 35 sqmm to 50 sqmm on wall/surface incl. s & f ms saddles with earthing attachment in 2 x 10 swg gi (hot dip) wire, making holes etc. as necy., mending good damages and painting 13 a n n e x u r e - i basic rate of materials: (all rates of materials from k-1 to k-14 are excluding vat) 22. cu. bars 14 sub total 15 gst 9 % 16 gst 9 % 17 cess 1%