Electrical work

Amount

The work consists of overhauling of driving mechanism along with replacement of work overhauling kit of ‘O’ ring gasket. Inspection and rectification of gas leakage of 245 KV Circuit Breaker the work includes opening of R, Y & B phase assemble from upper and lower part terminal flanges, Cleaning of all grooves of flanges and porcelains with petrol, scrubber pad and acrylic and porcelains of all O-ring of the pole and gas pipe After testing of vacuum for 12 hrs. and satisfactory result, refilling of SF-6 gas up to required level. Checking of proper operation of Circuit breaker from local and remote. All materials, T&P required for execution of work will be arranged by the contractor at his own cost. Checking & tightening of all connections in the marshaling box. Satisfactorily close/ trip operation of the breaker both by local and remote. a) CB No. 81 (Interconnector-I) Bay

Dismantling of 220 KV Double Feeder Control Panel & Relay panel of following 220 KV lines & Transformer in the control room at 220 KV S/S Muradnagar including cutting of earthing, determination of control cable from panel without distrubing AC & DC Supply & protection supply of other panels in the control room, shifting of panel safely from control room and then shifting to J.E. store at distance approx. 100 Mtrs. a) CB No. 81 &86(Interconnector-I & Autor Line) b) CB No. 884/784 (160MVA T/F)

Erection of 220 KV Double Feeder Control Panel & Relay Panel of following 220 KV Lines & Transformer in the control room at 220 KV Muradnagar including earthing of panel, terminations of control cables, shifting of panel safely from store to control room a) CB No. 81 &86(Interconnector-I & Autor Line) b) CB No. 884/784(160MVA T/F)

Dismantling of 245 KV Tandem Isolator by opening its Electrical control cable connection and all associated works. After dismantling all scrap material shifting to store including cost of all T&P and labour.

Erection of 245 KV Tandem Isolator of (G.Nandy Make) work also includes erection of post insulator and proper setting of arm alignment and adjustment of Jaws and blades and all associated works to complete the job.

Laying of control cable:- 2 C X 2.5 sq.mm.

4 C X 2.5 sq.mm.

6 C X 2.5 sq.mm.

10 C X 2.5 sq.mm.

Termination of Control Cable:- 2 C X 2.5 sq.mm.

4 C X 2.5 sq.mm.

6 C X 2.5 sq.mm.

10 C X 2.5 sq.mm.

SARASWAT ELECTRICALS (BID ID -4862637)

P&H Engineering (BID ID -4858440)