Providing, Installation, Testing and commissioning of 630 KVA Power Transformer at WSS Tangnar I

Amount

Providing, Installation, Testing and commissioning of 630 KVA Power Transformer at WSS Tangnar-I

Supply, Installation, Testing and Commissioning of 630 KVA 3 phase and natural air cooled Distribution Transformer of following specifications:-  Type : 33kV/0.44kV, oil cooled.(Level-2)  Capacity : 630 KVA 3-phase and Neutral  Operating conditions. • Input : 33000 volts • Output: 440 volts AC supply in 3- phase.  Terminals:- • Input : 3 No. HT copper bush rods with insulators, washer, nuts etc. • Output:4 No. LT copper bush rods with Insulators washer, nuts etc.  Core : High permeability core for heat dissipation fabricated out of suitable size and gauge strips.  Transformer Coils: Suitable number of HT and LT coils in each. The transformer coils shall be fabricated coil of superior quality copper wire / strips properly wound and leak proof coolant. The HT transformer shall be completely filled with high grade transformer oil up to required level.  Tap changer: The transformer should have off load tap changer for changing the output voltage as per requirement.  Enclosure: The core, bracket shall be enclosed in MS tank of suitable thickness with cooling conducts / fins on either side. The MS tank shall be painted in two coats of enamel synthetic paint and the tank shall be fitted with rain cock / plug and level indicator. Besides above the whole assembly is to be carried to site and includes carriage, head load, all leads and lifts involved.  Transformer bed: Transformer bed to be contructed out of stone masonary and RCC.The transformer bed shall have dimensions of 8 ft x 6 ft and 8 ft height.  H-frame: Providing, fitting, installation H-frame for 630 KVA transformer. The pole structure consists of two 11m long steel tubular poles duly grouted in the cement concrete block. The job includes fabrication, providing and fixing of MS support channel of appropriate length(4”) on the poles with the help of clamps, nuts and bolts of appropriate size. The job further includes : a) Providing and fitting of heavy duty 33 KV link set b) Providing and fitting of 33 KV drop out fuse set c) Providing and fitting of 33 KV lightening arrestor set d) Providing and laying of 01 ACSR conductor = 50mtrs e) Providing and fitting of 95 Sq.mm single core XLPE 33 KV grade cable = 40 mtr  Earthing: Providing and installation of earthing station comprising of company fabricated earthing electrode as per IS: 3043. The job includes Auguring of bore of 150mm dia and 3.5M depth for installation of electrode along with backfill compound mixed with soil and all other items required thereof for achieving the best result. The job includes connecting of power transformer through GI strip of 40mm wide 6mm thick of appropriate length, making of surface structure in cement concrete material as per relevant standards. Safe earthing electrode size : 65mm dia Length : 3000mm Back fill compound : 25 kg Model/make : JMV, Ashlok, True No. of earthings : Three

M/S AL HUDA ELECTRICAL AND MECHANICAL WORKS

AL GAFFAR ELECTRICALS

M/S H R BUILDERS AND GENERAL SUPPLIERS