WORK OF DISMANTLING OF OLD AND DAMAGED 420 KV CIRCUIT BREAKER OF 400 KV BUS COUPLER BAY AND INSTALLATION OF NEW 420 KV CIRCUIT BREAKER AT 400 KV SUBSTATION , GORAKHPUR UNDER ELECTRICITY 400 KV SUBSTATION DIVISION , GORAKHPUR

Amount

Dismantling of 4" dia aluminium pipe between 400KV main bus to 400 KV CB along with connectors safely and proper stacking in the switchyard using experienced man power and suitable T&P at 400KV S/s Motiram Adda , Gorakhpur for 03 Nos. Aluminium bus for each 25 meter span approx. for each breaker .

Re-erection and lying of 4" dia aluminium pipe between 400KV main bus to 400 KV CB including cutting of pipe in suitable length , bending , shaping and brasing work for 03 Nos. Aluminium bus for each 25 meter span approx. for each breaker . Connectors and aluminum pipe required will be provided by Department .

Dismantling of 400KV SF-6 CB by dismantling of all three poles using suitable size crane along with dismantling of reservoir tank , support insulators , air pipelines , ladder support , compressors , structure , disconnection of control cables and all other works with proper stacking .

Shifting of the 400KV SF-6 CB along with all accessories , pipelines , compressor unit from switchyard to the Departmental store of 400KV S/s Motiram Adda , Gorakhpur including loading and unloading of the dismantled materials by crane. Vehicle and crane required for shifting , loading and unloading and stacking of the dismantled materials will be provided by the contractor on his own cost .

Shifting of 400 KV SF-6 Gas Circuit Breaker along with accessories from store of 400 KV S/s , Motiram Adda , Gorakhpur including loading and unloading of breakers with accessories using suitable size crane. Crane and Vehicle required for loading , unloading , shifting of above breaker shall be provided by contractor on his own cost .

Erection and Commissioning of 400 KV SF-6 circuit braker by erection of 03 Nos. pole for each breakers along with accessories in the supervision of Engineer of the M/S Siemens . Connection of control cables as per drawing for proper operation of the breakers .

Termination of all cable as per drawing interconnection of R,Y &B poles control cables marshalling box by providing and fixing proper ferrules ties lugs in arranged manner also disconnrction of control cable according in proper matching old & New breakers drawing and checking of proper operation . Writing Name of the Bay on Marshalling box in red Colour .

Earthing of 400 KV SF-6 Gas Circuit Breaker and Accessories by 75x10 and 50x6mm MS Flat including cutting bending and welding , painting etc. (MS Flat will be provided by Contractor) .

Gupta Elect and Engg Works

M/S P B ENTERPRISES