INSTALLATION OF 20 MVA 132/33 TRANSFORMER IN PLACE OF DAMAGED 20 MVA 132/33 KV TRANSFORMER ALONGWITH OTHER ASSOCIATED WORKS

Amount

Following works are to be carryout at for the work of Installation of 20 MVA 132/33 kV Transformer in place Of Damaged 20 MVA 132/33kV Transformer along with other associated works at 132 kV Sub-Station Kazrahat Under ETD-III, Sahupuri including all cost of men, misc. consumables, T&P etc to complete the job satisfactorily as per direction of supervising Engineer

Dismantling of Damaged 132/33 kV 20 MVA T/F at 132kV s/s kazrahat

Dismantling of 03 Nos. of LAs of HV side with structure

Complete Dismantling of accessories of Damaged 20 MVA 132/33kV Transformer including opening of all jumpers, removal of earthing, opening of cable connections, draining out the T/F oil upto required level in 209 litre capacity drums, removal of all radiators, conservator tank, oil pipe lines, all bushing, turretes, marshalling box RTCC panel etc. blanking the radiators pipe lines, conservator tank, with proper gaskets along with nuts & bolts to complete the jobs satisfactorily include proper stacking at designated place. Blanking plate, nut bolts shall be provided by the department and gasket and all labour, T & P shall be provided by contractor on his own cost.

Shifting/Dragging of oil filled main tank of defective 20 MVA 132/33 KV transformer from plinth to distance upto 100 mtrs (@ rate of Rs. 1000/meter) outside including turning of tank, if required, including all T&P and work required to complete the job satisfactorily.

Transportation of 20 MVA T/F from 132 KV S/S Bighapur, Under ETD-Unnao & its Erection at 132kV s/s Kazrahat, Mirzapur

Conducting SFRA test by arranging appropriate equipments and Skilled person before transportation at 132kV substation Bighapur and DGA test of oil sample after erection at 132kV substation Kazrahat.

Shifting of oil filled main tank of 20 MVA 132/33 KV transformer from unloading point upto 50 mtr (@ 5meter/Job) distance including turning of Tank, if required, including all T&P and work required to complete the job satisfactorily at 132 KV S/S Bighapur.

Loading of 20 MVA T/F main tank along with all accessories making the wooden sleeper plate for jacking the T/F Tank upto the Trailer hight, placing the rail under T/F tank and shifting up on the trailer, removal of rails under transformer tank and proper tightening of main tank with trailer bed with the help of steel rope and turnbuckle including loading of all Bushings all T&P and work required to complete the job satisfactorily at 132 KV S/S Bighapur.

Safe carriage of the 20 MVA transformer main tank with accessories from 132 KV S/S Bighapur to 132 KV S/S Kazrahat with impact recorder installed with main tank of T/F (Distance around 450 KM, a side). (Survey of Route shall be done by the contractor as per direction of Supervising Engineer and Only Insurance will be re-imbursed as actual, impact recorder readings will be required at the time of erection of T/F)

Unloading of the 20 MVA 132/33kV Transformer main tank, conservator tank, radiator, HV/LV Bushing and its other part along with oil drums loaded on the truck/ tailor by trailer jacking the tank and packing the rail under the Transformer tank on wooden sleeper, lowering the tank towards ground by slowly and removing the wooden sleeper under the transformer tank to avoid any type of damage at 132KV Sub-Station Kazrahat under ETD-III Sahupuri Varanasi.

Shifting of oil filled main tank of 20 MVA 132/33 KV transformer from unloading point upto 80 mtr (@ 5meter/Job) distance including turning of Tank, if required, including all T&P and work required to complete the job satisfactorily at 132 KV S/S Kazrahat.

Replacement of gasket radiators/ Bushing/ Pipe line of T/F by providing and fixing of new gasket as per existing size made of rubberized cork sheet kotika/ Tirboze brand Grade 07.

Complete erection of 20 MVA 132/33 kV T/F by erection of radiators, conservator lank all bushing with their turrerts, connecting all oil pipe line, erection of cooling fans, motor drive mechanism with tap changer, RTCC panel, and associated oil pipe line, making control cable connections, all electrical connections, laying of cable and terminations for WTI, OTI, Buccholtz, Cooling fans, OLTC, RTCC, Marshaling Box with proper ferruling as per drawing etc. to complete the job satisfafactorily, including first filling of T/F oil and final topping up of T/F oil for circulation in transformer, Radiator pipe lines, conservator tank etc. and attending oil leakage if any and all other associated work upto the period so that, transforemer result are achieved to complete the erection including cost of labour T&P etc.

Carriage of 20 KL transformer oil tank from 220 kv Substation Sahupuri to 132 kv Substation Kazarahat and shifting back of the same to 220 kv Substation Sahupuri after completion of the centrifuging work.

Centrifuging of 20 KL T/F oil of 20 MVA transformer after erection at 132 KV Substation Kazrahat in tank and circulation in conservator tank, OLTC and radiator to achieve perquisite B.D.V above 80 KV and all other parameter.

Erection of 3 nos. 120 KV LAs structure, LAs on its structure earthing of structure making connection of jumpers etc. including shifting from stacking place to erection place.

Jumpering of 15 Nos of 20 MVA Transformer HV & LV side by cutting of conductor from bushing to CT, CT to breaker to isolator and isolator to bus including all associated work.

Earthing of main tank and neutral bushing of the above transformers with delta earthing by 50x6, 75x10 mm MS Flat strip including its cutting, straightening, bending, laying, fabrication, grouting, painting after removing of existing damaged earthing. M.S. Flat required will be provided by Contractor.

Ajanta Engineering works

LASHANI ENTERPRISES

Omurmila Constructions