Providing fixing and maintenance of cooling fan and marshalling box of 132 KV power transformer at diffirent sub stations of ETSD I under ETD Hardoi

Amount

General maintenance/servicing of heavy duty cooling fan 0f 63/40/20 MVA Transformer having capacity 415 V, 50HZ ,700rmp, 240 watt, 610 mm sweep The scope of work includes safe disconnetion of electrical wirings of fan, removong case guard of coiling fan , dismantling of fan motor from main structure from radiator , cleaning oiling/ greasing / lubrication of bearings , replacement of defective bearing/bushes if required, reeplacement worn-out contacts if required, proper anr sealing, changing of conlignment of rotor shaft & fan wheel, porper sealing , changing of connection leads etc.The work also includes refitting/ reinstallation back on radiator structure checking the performance of the fans after connecting the proper supply ad starting/stopping of fans at desired setting and free from abnormal noise. All men , material , consumbles, T & P shall be provided by the contractor at his own cost.

Providing & fixing of 3 Phase 415 volt 50 Hz 0.5 Hp swipe size 2/24"RPM 800/900 F Type insulation , transformer cooling fan heavy duly marathon make with guard mash for 132/33 kv TAL Make 63 MVA T/F installed at 132 KV S/s, Hardoi, 132/33 KV 40 MVA EMCO make T/F installed at 132 kv S/s, Sandila.

Providing & fixing of 03 phase contactor and bimetalic overload relay & its wiring circuit for controlling of T/F cooling fan on existing marshelling box of 40 MVA BHEL make T/F at 132 KV S/S, Baghauli for satisfactory auto / manual operation. The following items are to be fixed in the existing marshling box ie. 03 phase 415 volt 20 Amp. contactor & block unit with overload relay, 10 Amp. HRC fuse. The wiring should be of 2.5 mm PVC copper wire with colour coding, lugs, ferrules, cable tie etc. All skilled labour, tools, special T&P, electric welding mechine & material shll be provided by the contractor at his own cost.

Providing & fixing of single phase preventer in both fan groups of cooling fan including cost of all material T&P, labour etc. for satisfactory completion of work.

Vardan Traders (BID ID -5188053)

TYCOON ENGINEERS (BID ID -5187905)