ELECTRICAL WORK

Amount

Drain out of transformer oil in empty oil drums from defective 40 MVA transformer to get required level up to 03 kL at 132 kV Sub-Station DEBAI

Complete dismantling of the accessories of defective 40 MVA, 132/33 KV Transformer at 132 KV Sub-Station DEBAI after opening of jumpers, removal of earthing and opening of cables & connection, removal of all radiators, conservator tank, oil pipe lines, bushings, etc. to complete the jobs satisfactorily including Blanking, nuts and bolts all other T&P shall be arranged by the contractor at him own cost.

Shifting /Dragging of oil filled 40 MVA damageTransformer from Existing place to near safe place at 132/33 KV Sub-Station Debai distance upto 20 Mtr.

Additional Shifting 100 Mtr every 5 Mtr per job.

Shifting of Transformer accessories at safe place as per directions of supervising engineer

Shifting /Dragging of oil filled 40 MVA Transformer from Existing place to near loading place at 132/33 KV Sub-Station Amroha distance upto 20 Mtr.

Packing of HV/LV/N Bushing of 40 MVA Transformer.

Loading of 40 MVA Transformer main tank along with accessories, at 132/33 KV Sub-Station Amroha making the wooden sleeper plate from jakcing the Transformer tank up to trailer height placing the rail under Transformer tank and shifted up on trailer, removed the rail ner Transformer and proper tightening the main tank with Trailer bad with the help of steel rope and turn buckle.

Carriage of 40 MVA Transformer main tank from 132/33 KV Sub-Station Amroha to 132/33 KV Sub-Station Debai along with all accessories by Pvt. Truck/Trailer. Distance about- 120 Km with insurance.

Unloading of main tank of 40 MVA Transformer loaded on trailer jacking the tank for packing the rail under the Transformer tank and shifting it of wooden to plate for removing the rail under the Transformer tank on wooden sleeper lowering the tank towards ground by slowly and removing the wooden sleeper under the tank and unlaoding of various Transformer accessories of above 40 MVA Transformer like oil filled drum bushing conservator tank, cooling fan etc. from Truck/Trailer at site at 132 KV Debai.

Shifting of main tank of 40 MVA Transformer from unloading point to the plinth up to 20 Mtr distance including turning of tank if required including all T&P and labour required to complete the job satisfactorily.

Replacement (Provide and fixing) of all gasket including conservator tank radiator valve, OLTC Tank etc of T/F as per existing size made of rubberized cork sheet kotika/Turboze/Nu-cork brand grade-07.

Complete erection of new 40 MVA 132/33 KV Transformer by erection of radiator, conservator tank, bushing with its turrets (if available) connecting of all oil pipe line, erection of cooling fans, making control cables connection, Buchholz relay etc. for completing the work, topping of T/F oil and final oil filling in tank, radiator, conservator tank and all other associates work for completion of work.

Dismantling & Re-erection of 120 kV L.A., by connecting of earthing strip joining of jumpers and erection of structures (ALP, BCT) etc. along with associated substation structure required after shifting of newly replaced 40 MVA, 132/33 KV Transformer.

Centrifuging of complete T/F oil in T/F by connecting centrifuging pipes circulating the T/F oil through Centrifuging machine and taking the BDV value of the oil periodically till the required value is achieved. Approx 19KL

Variable frequency Tan Delta Test & Winding registance Test of 40 MVA 132/33 KV Transformer with appropriate & recently calibrated kit.

Earthing of main tank at 2 points of new 40 MVA T/F by using 75x10 mm size Flat & it's jointing with already laid earth mat as per guideline & tech. specification.

Delta (earthing) for HV & LV Neutral and to connect it with already laid earth mat and also from neutral bushing of new 40 MVA Transformer.

Re-placement of new RTCC panel of this new 40 MVA TIF in control room at 132 KV S/S DEBAI including its Termination & fitting and laying of control cable if required as per site requirement and its connections.

Gupta Elect and Engg Works