WBPHE/EE/SMD/NIeT-02 of 2020-21

Amount

Dismantling of the dry type 800 KVA distribution transformer by engaging skilled personnel part by part including detanking of core, coils and other accessories at workshop as per direction of EIC .

Cleaning of burnt cores and banks by dewinding of damaged insulation sheets etc and also measuring the sheet dimension of damaged insulation sheets as per direction of EIC.

Supply, delivery storage of the following materials as per sample:

E.C grade copper conductor for HV side with Q.N.C insulation for core winding including winding charge.

Insulation material [ Nomex, Teflon , ERBG etc ] as per required previous dimension.

EHV grade H class Air Dry Vernish.

Gasket and hardware materials.

Araldite with hardner

H class thinner

Temperature Scanner

Backing of the core coils in air tight heat chamber at 180 degree celcius temp. for achieving required IR value as per direction .

Electro plating of HV and LV copper studs .

Making of assembly core winding , tanking of of assembled cores, coils and making of inter connection as per existing tapping configuration .

Loading of the transformer on commercial truck hiring necessary skilled & unskilled labours and hiring hydra [10 T] as per direction .

Carrying of the above transformer from BS-II to Kolkata workshop by hiring of comm. Truck as per direction .

Unloading of the transformer from comm truck hiring necessary skilled & unskilled labours and hiring hydra [10 T] at Kolkata W/Shop as per direction .

Making of necessary connection of HV & LV side cable of said 800KVA transformer following necessary safety measure as per IEC deploying expert electrical supervisor and riggers and testing of the same with load after 6 hrs no load run as per direction .

Add GST @ 12%

DAS ENTERPRISE

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