Dismantling and shifting of 132/33 KV, 20 MVA T/F and shifting, erection, centrifuging of oil, earthing and commissioning and other associated works of new 132/33 KV, 63 MVA T/F and strengthening of 33 KV Bus at 132 KV S/S Gopiganj under ETD-IV

Amount

Dismantling and shifting of 132/33 KV, 20 MVA T/F (HITACHI make) and shifting, erection, centrifuging of oil, earthing and commissioning and other associated works of new 132/33 KV, 63 MVA T/F at 132 KV S/S Gopiganj.

Dismantling of 120 KV LA with structure by opening of jumpers, cutting of earthing to provide safe passage for shifting of 20 MVA T/F and re-erection of the same LA after erection of 63 MVA T/F.

Dismantling of existing 132/33 KV, 20 MVA T/F (HITACHI make) by opening of jumpers, earthing, marshaling box, cable connection etc. along draining out T/F oil in to 209 Ltr. Capacity empty drums, removel of rediators, conservator tank, oil pipe line, all bushing, turets fan motor, required quantity of oil from T/F (empty oil drums shall be provided by department).

Shifting of main tank 20 MVA T/F from plinth to saf plece (up to 20 meter distance) after opening of jumpers, cutting of earthing and opening of cable connection etc. including turning of tank if required, including all T&P and work required to complete the job satisfactorily.

Additional shifting of 20 MVA T/F for 125 meter @ 5 Meter/job.

Shifting of dismantled HV bushing, radiator, all associated pipe at safe place or store & banking the same with suitable size Gasket and iron plate alongwith nut bolt to complete the job satisfactorily.

Shifting of new 63 MVA T/F from unloading place 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 along with all accessories from unloading place to near T/F erection site.

Additional shifting of 63 MVA T/F for 60 meter @ 5 Meter/job.

Complete Erection of 63 MVA T/F by erection of rediators, conservator tank, all bushing with their turrests, connecting oil pipe, cooling fans, motor drive mechanism with tap changer, RTCC panel, and associated oil pipe line etc. to complete the job satisfactorily including first filling of oil and topping up of T/F oil in tank, radiator pipe lines, conservator tank etc. and attending oil leakage, if any and all other associated work for satisfactory completion of work along with arrangement of labour and T&P to complete the job in all respect. (Hydra, crane, special tools, will be arranged by contractor)

Raising the height of 3 Nos. ALP structure for 30 KV LA after dismantling of LA and structure and againg its erection, replacement of all the Panther conductor, jumpering of 33 KV side of 63 MVA, 132/33 KV T/F from 33 KV Bushing to 33 KV Bus Bar with ACSR Moose conductor, fixing of all the isolator clamps, CB clamps, LA clamps, CT clamps suitable for proper size of Moose conductor and jumpering of all the 33 KV side equipment.

Dismantling all cable connections of 20 MVA T/F and its RTCC panels, retermination along with re-glanding and re-ferruling as per new cable schedule of 63 MVA T/F and its RTCC panels.

Laying termination of new control cables for 63 MVA T/F from control and relay panel of marshalling box/equipment JB etc. for new 63 MVA T/F as per cable schedule and inter connection with control cable at marshalling box and OLTC panel to RTCC panel to each fan with re-ferruling and re-dressing with proper gland & ferrule etc as per drawing schedule.

Centrifuging of complete 63 MVA T/F oil in T/F & Tank by connecting Centrifuging pipes, circulating the T/F oil through centrifuging machine to be provided by the contrator & taking the BDV value of the oil periodically till the required value is achieved as per direction of supervising engineer all T&P, labour and centrifuging machine shall be provided by the contractor.

Earthing of erected 63 MVA T/F main tank, neutral bushing, marshaling box, OLTC, RTCC panel etc at two points using 75x10/50x6mm. M.S. flat (MS flat and earthing electrodes shall be provided by the contractor) the above also includes painting of earthing strip with one coat of red oxide primer and two coat of bus green synthetic enamled paint.

Delta earthing of 63 MVA T/F HV/LV neutral bushing with 70x10 mm M.S. Flat and earthing electrode shall be provided by contractor on his own cost th above also includes painting of earthing strip with one coat of red oxide primer and two coat of bus green synthetic enamled paint.

Dismantling of 33 KV Old CTs 400-200/1-1A&erection of new 33 KV new CTs with CTR 1600/1250/1-1A, setting the CTR on 1600/1A, cable termination, thorting, including earthing of the instrument and all related work all respect.

Carriage of 20 KL oil tanker/drum for the centrifuging of transformer oil where it is available within distance of 100 km approx.

Conducting BDV, PPM and DGA tests of transformer oil 63 MVA T/F job includes 03 nos. sample collectiong of T/F oil in suitable container tank and its transportation to NABL and submitting its test report. First job after completiong of work land second job after charging of 15 days.

Strengthening (Twin Bus) of 33 KV Bus at 132 KV S/S Gopiganj

A-Supply

Bolted type tension gun fitting suitable for twin Moose conductor with nut bolt & washer

Spacer for Moose to Moose

PG Clamp for Moose to Moose

PG Clamp for Moose to Panther

PG Clamp for Panther to Panther

33 KV Isolator clamp for twin Panther conductor

33 KV Isolator clamp for twin Moose conductor

33 KV C.B clamp for twin Panther condutor

33 KV C.T clamp for twin Panther having various diameter as per sample

B-Work

Dismanteling of all jumpers of ACSR Moose/Panther Conductor from 33 KV Bus to equipment and equipment to equipment.

Destringing of Existing 33 KV Bus of ACSR Moose conductor along with Tension fitting and Disc Insulators including shifting and proper stacking of Dismanteled materials in the store of 132 KV S/S Gopiganj.

Stringing of new Bus of twin ACSR Moose conductor and tightening with gantry along with hoisting, clamping and fixing of all hardware and fittings including all other associated work.

Fixing of spacer clamp at an equal interval between both Moose conductors of twin Bus bar and jumpers as per requirement.

Fixing and tightening of clamps and twin Panther jumpers with suitable spacer from 33 KV Bus to equipment and equipment to equipment.

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