Description :
Tenders for Supply And Fixing Of Various Materials At Various Type T/fs Installed At Various Sub-stations Under Etd-iii, Prayagraj - The Following Work Is Required For Smooth Operation Of Various Type T/fs Installed At Various 132 Kv Substations Under Etd-iii, Prayagraj., Supply And Fixing Of Winding Temperature Indicator (anolog Type) Of Temp Range From (0-150) Oc, 5a, Ac/dc Both And Consist Of Two Fexible Capillary Tubes Of 05 Meter Long And 03 No. Mercury Bulb Switch For Alarm, Trip And Cooling Control System Of Power Transformer Of Standard Make. Work Includes Fixing Of Capillary Inside The Temperature Sensing Element Within The Tank And Proper Termination Of Connection At Both Ends., Supply And Fixing Of Oil Temperature Indicator (analog Type) Of Temp Range (0-150) Dc, Sa, Ac/dc Both And Consist Of Two Flexible Capillary Tubes Of 05 Meter Long And 03 No. Mercury Bulb Switch For Alarm & Trip Of Power Transformer Of Standard Make. Work Includes Fixing Of Capillary Inside The Temperature Sensing Element Within The Tank And Proper Termination Of Connection At Both Ends. This Work Also Include Replacement Of Damage Oil Temp Indicator Mounted On Main Tank (including All Supply., The Following Supply & Work Are Reqired For Smooth Operation Of Cooling Fan Installed At Various Type T/fs At Various 132 Kv Substations, Prayagraj. The Details Of Work Listed Below., Supply And Fixing Of Main Switch Of 3p/1w, 415v, 16a Rating And Mcb Of 4 Pole, 415 16a Ration For 3 Phase Incoming Supply For Cooling Fans., Supply And Fixing Of 415 Volt, 16a, 4 No. Contactor For Main Supply Of Cooling Fans Installed At Various Type T/fs Work Includes Proper Connection Of Contactor With Acdb Or Ac Cubical Installed In The Switchyard., Supply And Fixing Of Fan Control Contactors Of Rating 230v, 9a For Auto Function Of Cooling Fans And 03 No. Relays Of Rating 230v, 9a, 02 No-02 Nc For Supply Monitoring For Cooling Fan., Fixing Of 3pole Mcb Of Rating 230v, 10a To Be Fixed On The Front Side Of Marshaling Box (mcb) Provided By Contractor On Their Own Cost., Supply And Fiixng Of Thermal Overload Relay (type 3us5000) Of Rating (0.5-1a) For Cooling Fan Of Transformer On The Front Side Of The Marshaling Box., Wiring Of All Interconnection With Proper Ferrules And Lugs Of Suitable Size With 4mm2 Flexible Insulated Copper Conductors For Power Connection And With 2.5mm2 Flexible Insulated Copper Conductor For Control Connection In The Marshaling Box Up To Completion Of Works Satisfactorily. (works Includes Supply And Fixing Of Cable Gland (all Size), Rail Base, Ferrule, Lugs, Supply And Fixing Of Rubber Beat For Marshalling Box, Repairing Of Box With Front Door As Required For Proper Operation Of Marshalling Box, Selector Switch As Per Requirement Will Be Provided/done By Contractor On Their Own Cost.
