ELECTRICAL WORK

Amount

Installation work of 60 MVA Transformer-II is to be carried out at 220 KV S/S Sikandrabad, under ETD, Bulandshahr. Shifting of main tank of 60 MVA, 220/33 KV T/F 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

Additional shifting 1 Job for every five Mtr.

Complete errection of 60 MVA , 220/33 KV T/F by erection of radiator, conservator tank, all bushings, oil pipe lines, cooling fans etc. to complete the job satisfactorily.

Shifting of 20 KL oil container form 220 KV S/S Sikandrabad to work site at 220 KV S/S Sikandrabad by suitable capacity Hydra (Crane).

Filing of fresh transformer oil from fresh transformer oil drums in suitable oil tanker and then centrifuging of the transformer oil by ultra high vacuum oil filtration plant after connecting centrifuging pipe with oil tanker to oil filtration plant including taking the BDV value of oil periodically till the required value achieved and creating the vacuum inside new60 MVA, 220/33KV transformer before filling the oil including vacuum stand test with all cost of machine and testing equipment and operators etc.

Centrifuging/Dehydration of complete transformer oil of new 60 MVA Transformer by ultra-high vacuum filtration plant including taking the BDV of oil and IR value of transformer periodically till the required value achieved including filling and topping-up the above prepared transformer oil under vacuum in main tank, radiator, conservator tank etc. and attending oil leakage if any with all cost of machine , equipment and operators.

Making Delta consisting of fabrication of 06 Nos. 5100mm. long electrodes after making conical shape 100 mm its piercing inside ground below 900mm ground level and connecting all four electrodes with 75x10 mm M.S. flat including strengthening welding, painting of joints with Black Japan Paint as per specification given by Engineer Incharge. (M.S. Round provided by the Deptt. Free of Cost).including filling coal, salt and core-sand in bore of electrode for achieving of desire value.

Earthing of main tank of 60 MVA, 220/33KV T/F using M.S. Flat 75x10 mm size, its jointing with already laid earth mat, preparing neutral bushing (HV & LV side both 02 Nos.) support for its earthing work from neutral delta. Painting of this MS Flat with one coat of red oxide primer and two coat of bus green best quality paint.

Shifting of 20 KL oil container from work site to said place at 220 KV S/S Sikandrabad suitable capacity Hydra (crane).

Laying of 10/6x2.5 & 4x2.5 mm size control cables from transformer to RTCC and CR panel with fixing of proper cable trays (provided by department).

Installation of RTCC panel and termination of control cables with proper ferrules and lugs and glands between 60 MVA T/F marshaling box, driving mechanism box to RTCC and CR panel of T/F.

Versha and Brothers

LAZER INFRASTRASTUCTURE