Public Works Department Tender

Supplying, installation, testing & commissioning of Cubical type, Main LT Panel extensible type by CPRI type tested manufacturer , having following valid type test certificates (S.C. test 50KA, temperature rise test, high voltage test,IP Test, Crrepage and clearance test) suitable for 415 V, 3Phase, 4 wire 50 Hz AC supply system of suitable size fabricated in compartmentalized design from CRCA sheet steel of 2mm thick for frame work and covers & doors of 1.6mm thick sheet, 3mm thick for gland plates duly powder coated in approved shade, having 2000 Amp capacity extensible type TPN Aluminium bus bars of high conductivity, DMC/SMC bus bar supports, bottom base channel of MS section not less than 100mm x 50mm x 3mm thick. Fabrication shall be done in trasportable sections, entire panel shall have an common aluminium / GI earth bar of suitable size at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of bus bars and control wiring with 2.5 Sq.mm. PVC insulated copper conductor S/C cable for voltage & Current respectively, cable alleys, cable gland plates in two half, i/c providing following switch gears. Panel shall be suitable to recieve cables / sandwich busduct entry from Transformer & DG Sets.Contractor shall get the LV Panel Manufacturer vendor approval and drawings approval done from Engineer In charge before placing order for LV Panels

1 Nos.- 1600 Amps.each four pole horizontal drawout type air circuit breaker of fault breaking capacity 50 KA (Ics = Icu up to 433 V) EDO operated, fitted with interlocked door,automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, conforming to IS : 13947-2, 1993 as amended up to date complete withfollowing accessories for each ACB.Microprocessor communicable release (EMI & EMC Certified)for over current,earth fault & short circuit protection .ACB shall have inbuilt provision for generating alarm on internal overheating of ACB. ACBs shal be interlocked electrically/mechanically as required in the scheme. Make of ACBs : Schneider(Masterpact)/Siemens(3WL)/Legrand(DMX) ABB (EMAX)

Incomer 1 Nos.- 1250 Amps.each four pole horizontal drawout type air circuit breaker of fault breaking capacity 50 KA (Ics = Icu up to 433 V) EDO operated, fitted with interlocked door,automatic safety shutters, mechanical ON/OFF and service/test/isolated position indicators and frame earthing contact, confirming to IS : 13947-2, 1993 as amended up to date complete withfollowing accessories for each ACB.Microprocessor communicable release (EMI & EMC Certified)for over current,earth fault & short circuit protection . ACB shall have provision for generating alarm on internal overheating of ACB. ACBs shal be interlocked electrically/mechanically as required in the scheme. Make of ACBs : Schneider(Masterpact)/Siemens(3WL)/Legrand(DMX) / ABB (EMAX)