Repairing, Overhauling, Servicing and attending Air Leakage in Pneumatic Drive of ABB make 220KV, SF6 Circuit Breakers installed at 400KV Sub Station Bareilly under Electy. 400KV Substation Division Bareilly

Amount

Repairing, Overhauling, Servicing and attending Air Leakage in Pneumatic Drive of ABB make 220KV, SF6 Circuit Breakers installed at 400KV Sub Station Bareilly under Electy. 400KV Substation Division Bareilly , with all cost of men, misc. consumables, normal & special t&ps etc required to be arranged by agency for satisfactory completion of the work, with all due care of safety & precautions as per technical specifications and direction of the supervising engineer, as per details below :

Repairing, Overhauling, Servicing and Attending Air Leakage in Pneumatic Drive of ABB make 245KV, SF6 Circuit Breaker type ELF SL4-1 installed at 400KV Sub-Station Bareilly along with other associated works. The job includes complete Overhauling of control assembly, holding latch assembly, trip latch, anti-pumping pin assembly, motor charging gear assembly etc. Overhauling of three phase lever, shock absorber etc. by opening of different parts of mechanism for checking any wear & tear, Also repairing/replacing of PD relays (provided by the contractor, if found defective), Switch assembly used for Air Compressor Alarm/Trip indication alongwith Auto/Manual switches of Air Compressor. Rectification/Repairing of roller, linkage of mechanical assembly. Rectification of gas leakage from gas pipe assembly by replacing O-ring & brazing etc. Work also includes tightening of all electrical connections for satisfactory operation of breaker & proper closing & tripping time. Also all consumables are to be provided by the contractor as per requirement for completion of work. After overhauling of CB timing and suitable testing of CB to be carried out by the contractor for checking out the operation of CB with the suitable testing kit (Megger, Scope etc.) provided by the contractor. (Per Job equivalent to 03 poles of each CBs)

TAJ ENTERPRISES (BID ID -4714357)

M/s S.S. Refregeration (BID ID -4708850)