EE(E/M)/KMDA/GAP-I /T-19(E)/2023-24

Amount

Supply & Delivery of Transformer oil grade as per ISI rule.

Dehydration and topping up 315 KVA Transformer oil with dislodging by centrifugation method.

Opening the transformer breather and refitting the same after changing the silica gel including the supply of necessary gasket and silica gel

Repairing ,rectification ,installation & commissioning of Buccholz relay of the Transformer.

Complete Dismantling of all the Mechanical Parts of the HT Switchgear after removing to a workable position in side the substation after dismantling of all the components like rollers, main latch, trip latch, guide rollers main drive, shaft, S.S pin, self spring, ratchet assembly etc, has been properly Overhauling by petrol & grease with replacement of old transformer oil with new one of required BDV after overhauling re-fixed as per existing way for interlocking arrangement, bush, spring etc. replace.

Supply , delivery at site nut bolt, washer, 1.5 sqmm cable and socket as per direction of the EIC.

Supply,replacement of spare parts of HT Switchgear including porcelin spout

Servicing, cleaning and testing, calibration of following relay (for 6 KV Panel/11 KV Panel)For Incomer Feeder: Each relay set consists of following relays MICOM P110 /122/127/ 1 NO. CGL 14N/C- 1 NO VAX31 - 1 NO, VAA-33-1NO VAMP-31 - 1 NO, VAJH-13- 1NO

Supply & fixing of 230/240V, LED indicating lamp (make :AE/KAPPA/IMP) Blue/ white color.

Supply,delivery and Fixing of shunt trip coil.

Complete Panel Wiring by supply & installation of 1.1 KV grade unsheathed copper PVC insulation wire 7/0.029 or 2.5 sq. mm (make : Finolex) laying inside control circuit panel through PVC front cover cable tray with all necessary including numbering, ferules, socketing, crimping joints for measuring instrument relay, power pack from C.T. & P.T. including supply & fixing of 2 nos. push button, 16 nos. 6-10Amps HRC fuse cartridge, binding tape, numbering ferules, flexible PVC pipe etc. The C.T.’s secondary connection should be short circuited & proper ground earth reconnection of H.T. cable terminal joint.

High pressure Testing including Earth measuring.

Necessary checking , Testing & commissioning of Switch Gear along with P.T. circuit including tripping test through all relays, Primary injection through CT & measured secondary current of relays are to be made at site in presence of Electrical Engineer.

D.C.Eng.Co

PASS TREAT