WORK OF DISMANTLING OF 20 MVA TRANSFORMER No.-I AND INSTALLATION OF NEW 40 MVA TRANSFORMER AND OTHER ASSOCIATED WORKS AT 132 KV S/S PURNACHHAPAR UNDER ETD, DEORIA

Amount

Packing of following bushing after dismentling of 20 MVA T/F-I packing using country wood , nails , MS Strip etc. (wooden box will be provided by contractor).

145 KV Bushing

33 KV Bushing

Neutral Bushing

Daining out of complete Transformer Oil from 20 MVA T/F at 132 KV S/s Purnachhapar.

Additional shifting of tank up to 300 Meter @ 5.00 Meter / Job at 132 KV S/s Purnachhapar .

Carriage of 10/20 KL Oil Tank including loading , unloading and carriage approx. distance 100 Kms.

Dismantling of 20 MVA T/F -I HV/LV / Neutral bushing from transformer main tank , radiators , conservator tank , explosion vent pipe , oil pipe line , Bucholz relay , cooling fans , opening of electrical connection and all other associated work for satisfactorily completion of work.

Dismantling and opening of Electrical connection of RTCC Panel of 20 MVA T/F-I at 132 KV S/s Purnachhapar.

Shifting of main tank of dismantle 20 MVA T/F -I from plinth to open space up to 40 meter distance including turning the T/F tank and performing all other associated work at 132 KV S/s Purnachhapar.

Complete erection of 40 MVA T/F including radiators , conservator tank , HV/ LV bushing , Neutral bushing , turrets , connecting all pipe line , cooling fan , control cable , motor drive mechanism of OLTC , RTCC panel etc. Topping up Transformer oil in tank and attending leakage if any all other associated work for satisfactory completion of work .

Complete earthing of 40 MVA T/F as per standard practice with 75x10 mm / 50x6 mm MS Flat , main tank of the T/F , marshalling box , drive mechanism of cooling fan etc. shall be earthed as per standard practice (MS Flat to be provided by the contractor at his own cost) (earthing should be made as directed by Supervising Engineer) .

Earthing of 40 MVA T/F Neutral with 75x10 mm or 50x6 mm flat its grounding , painting and connecting with delta with MS Flat at two point and other associated work ( MS Flat provided by the contractor at his own cost) (Earthing should be made as directed by Supervising Engineer).

Making delta from 40 mm round bar by cutting the round bar in 3 Mtr. Long and welding it and connecting each other with the help of 75x10 mm / 50x6 mm MS Flat and all other associated work for HV and LV neutral and T/F body. (Round bar to be provided by the contractor at his own cost) (Earthing should be made aas directed by Supervising Engineer).

Jumpering of the 40 MVA T/F

HV Side with single ACSR Panther conductor.

LV Side with single ACSR Moose conductor.

Laying of following size of control cable in the cable trenches from control panel to marshalling box / equipments / Junction box etc. in switchyard for new 20 MVA T/F as per cable schedule including carriage of cable drums from store to laying site and shifting back to store after completion of works and all other associated works to complete the job satisfactory as per technical specification.

2C x 2.5 Sq. mm Unarmoured cu control cable.

4C x 2.5 Sq. mm Unarmoured cu control cable.

6C x 2.5 Sq. mm Unarmoured cu control cable.

10C x 2.5 Sq. mm Unarmoured cu control cable.

Termination of size of control cable and laid as per cable schedule including making necessary holes in glands plate of box where ever required. Supply and fixing of cable glands of appropriate size. Supply and fixing of ferrule for each core as required and termination with proper size of lug and all other associated work complete the job satisfactorily as per technical specification.

2C x 2.5 Sq. mm control cable.

4C x 2.5 Sq. mm control cable.

6C x 2.5 Sq. mm control cable.

10C x 2.5 Sq. mm control cable.

Complete centrifuging of 132/ 33 KV 40 MVA Power Transformer oil at 132 KV S/s Purnachhapar.

ARK ENGINEERING

Katyani Construction Co.

HARE KRISHNA ENERGY PROJECTS