Carriage of 132/33 KV, 20 MVA transformer (PME) make from 132 KV S/S Sarai Akil to 132 KV S/S Bhadohi and its installation at 132 KV S/S Bhadohi under ETD-IV, Varanasi.

Amount

Following work is to be carried out at 132 KV S/S Bhadohi

Shifting/dragging of oil filled dismantled 20 MVA T/F from its location up to 20 meter distance including turning of tank if required, including all T&P and work required to complete the job satisfactorily at 132 KV S/S Sarai Akil

Additional shifting of 25 meter @ 5 meter/job at 132 KV S/S Sarai Akil, if required

Loading of 20 MVA transformer main tank, conservator tank, radiators, HV/LV side bushing and its other parts and accessories along with oil drums on the truck/trailer safety to avoid any type of damage at 132 KV S/S Sarai Akil

Packing of HV/LV/N bushing of transformer for safe carriage

Transportation of the transformer safely from 132 KV S/S, Sarai Akil to 132 KV S/S Bhadohi (distance approx 175 Km a side). Required insurance of the transformer during transit shall be done by the contractor on his own expenditure.

Unloading main tank, conservator tank, radiators, HV/LV/N bushing and its other parts and accessories of 20 MVA transformer from trailer along with T/F oil drum from the truck/Trailer safely to avoid any damage at 132 KV S/S Bhadohi

Shifting/dragging of oil filled 20 MVA, 132/33 KV T/F from its location to plinth up to 20 meter distance including turning of tank, if required, including all T&P and work required to complete the job satisfactorily at 132 KV S/S Bhadohi

Additional shifting of 10 meter@ meter/job at 132 KV S/S Bhadohi

Complete erection of gasket of 20 MVA T/F by erection of radiators, conservator tank, bushing with turrets (if available), connecting all pipe lines, erection of Buchholz relay for completing the work, erection of cooling fans, laying of cables and termination by making control cable connections of the fan, WTI, OTI and Buchholz relay OLTC to marshalling box etc with proper ferruling as per drawing, radiator, conservator tank and all other accessories work for completion of job, electrical connections of 20 MVA T/F

Centrifuging of complete 20 MVA T/F oil in T/F and Tank by connecting centrifuging pipes circulating the T/F oil through centrifuging machine to be provided by the contractor & taking the BDV & IR value of the oil periodically till the required value is achieved

Opening of cable termination from RTCC, Marshaling box, DP Panel of dismantled 20 MVA T/F & connecting the cable in erected 20 MVA to RTCC marshaling box, DM panel after re-ferruling and redressing

Laying & termination of new cable for 20 MVA T/F and OLTC panel to the control and relay panel, if required, as per site condition having sizes as gien below-

ii) 4x2.5 mm2

iii) 6x2.5 mm2

Connection to the existing earthing of erected 20 MVA T/F and OLTC, RTCC at two points using 75x10mm MS flat

Jumpering of the T/F from 132 KV HV side with single ACSR Panther conductor from 132 KV, 20 MVAT/F bay and 33 KV LV side with single ACSR Moose conductor from LV side of the T/F to 36 KV CT through 33 KV 10KA LA

Changing of CT ratio of all three 36 KV CTs of CTR 800-400/1-1A from 400A to 800A in primary side of CT’s

Installation of RTCC Panel at control room of sub-station and its electrical connection

Earthing of 20 MVA T/F Neutral bushing with using 75x10 mm MS flat run old laders its grouting, painting and making then connection delta with two points and other associated work (earthing electrode rod shall be provided by department free of cost) the above also includes painting of earthing strips with one coat of red oxide primer and two coat of bus green synthetic enamel paint

Complete earthing of erected 20 MVA T/F as per standard practice using 75x10 mm MS flat, main tank of the T/F, marshalling box, drive mechanism of cooling fan it shall be earthed as per standard practice (MS flat shall be provided by contractor)

TECNO SYNDICATE