Chandigarh Administration Tender

Supply, installation, testing and commissioning of totally enclosed iron clad outdoor type all weather proof cubical type LT panel double door with top canopy shape suitable for 415 Volt, 3 phase, 4 wire 50 Hz AC supply system with minimum nominal size 900mm (H) x500mm (W)x 650mm(D) fabricated from CRCA sheet steel of 2mm thick i.e. cleaning and finishing, degreasing for powder coating in approved shade (grey). The panel should be provided with Aluminium flat suitable for 600A rating/capacity of size 60x10mm2 for three phases and neutral link flat be fixed with proper insulator and frame including making connections of 1no I/C LT 3½ 400mm2 (AL) cable, and 1 No. O/G LT 3½ C x 400mm2 XLPE cable with LT ACB 630 Amp with providing of Bakelite sheet 10mm thick and wire mesh as per drawing OR better arrangement including providing Al. thimbles to Complete the job in all respect at site. The make of Al. thimbles should be of Dowell’s/Alcon make. The entire panel should have Al. earth bar of size 25x5mm with 2 No. earth stud to be connected with existing earth wire and door of the enclosure should be provided with hidden hinges and locking arrangement with LN key with degree of protection of Min IP-54. The panel should be erected on 4 Pole structure as per general arrangement with S/E of 2 Nos. MS angle iron of size 40x40x6mm x 7 feet long with suitable clamps, nuts, and bolts on P/M T/F complete in all respect with entire satisfaction of Engineer-in-charge as per drawing comprising following items on supply and erection basis. (i)LT ACB 630 Amps, three pole horizontal fixed type air circuit breaker of fault breaking capacity 50 KA with Ics=Icu=Icw (1 sec) manually operated, fitted with interlocked door, mechanical On/off and frame earthing contact, conforming to IS 13947-2: 1993 as amended up-to-date should be installed in O/D Distribution panel on P/M S/Stn. including making connections complete in all respect as required at site complete with following accessories for each ACB = 1 No. a) Independent manual spring closing mechanism, b) The static/ Microprocessor release for over current, earth fault and short circuit protection having short circuit and earth fault protection setting 50% to 100 %. Make of LT ACB should be L&T/Siemens/Schneider / Havells / Indo Asian /ABB/ LEGRAND /C &S.

E/O LT XLPE 3x1/2x400mm2 cable in ground/along pole from LT Bushing of T/F to LT ACB including providing aluminium thimbles of suitable size for termination of cable on transformer (The required length of LT cable is to be provided by the deptt.)

S/E of GI pipe (medium class)4" dia having outer dia of 114.30mm2 and thickness of pipe should be 3.50mm. The approx. weight of pipe should be 12.10 kg./meter with dismensional as per IS:1239:1979 and having visual coating hot dip zinc galvanized fixed with the help of 2 nos. MS clamps made from 50x6mm MS flat (2 mtr.along with HT polw and 2 mtr.(1+1) long for O/G cables from LT ACB). Note:- The G.I. pipe should be of Jindal (HISSAR)/ TATA pipes.