Bodhan SS Mtce

Amount

Filtration of Transformer oil for 250 KVA outdoor transformer at site, such as removal of all suspended particals like dust, rust, scales,colloidal carbon oxidation sludge etc., Degassing and Dehumidification of transformer oil under vaccum. Circulation of heated oil and filling of treated oil in transformer tank. De-acidification by evaporation and absorption meathod and including transportation of of filtering machine, providing test cetificate etc., as required.

Top up of transformer oil in the conservator tank up to the minimum level after filtration of the transformer oil etc., as reqd.

Arresting of Transformer Oil Leakage from the Transformer tank at LT side by removing of top Plate, cable termination, replacing of oil seals, 6mm thick gaskets, reconnection of cables testing etc as reqd.

Supplying and fixing of silica gel breather including removing the oil breather as required.

General servicing of MV panel, Power room panel, capacitor panel by checking for any loose wires, contacts, tightening the link bolts, checking of overheating of any wires, links rectifying the defects if any, cleaning the complete panel with blower to remove the dust etc., as required.

General servicing of existing 800A capacity ACB in the MV panel, cleaning of contacts with CTC(carbon tetra chloride chemical), checking of trip bridges, shunt trip, UV coil, applying oil and grease for moving contacts checking of interconnections from the IDMT relay to ACB and other minor connected works

Testing of the existing IDMT relay by secondary injection method and adjusting the relay setting as per the exchange load, submitting the test reports to the engineer in charge etc as required.

Supply and Fixing of 11kv, 400 amps, 3 pole Gang operated type Air Break switch including 6 nos of 11 kv post top insulators, 40 mm GI pipe for vertically Operation, fixing clamps, removing of burnt-out AB Switch, checking of alignment for 3poles, making free operation as reqrd.,

Supplying and fixing of following accessories suitable for operation on 415volts three phase, 50Hz, AC supply and fixing in same in the existing panel including providing internal connections etc., as required.

a) 63 Amps HRC Fuse Links

b) 6 Amps HRC Fuse Links

d) LED indication lamps

e)10 KVAR Capacitor Bank.

f) 20 KVAR Capacitor Bank.

g) Lightning Arresters of 9 KV and 5 KA rating

h) Post top insulator of 11 KV grade

i) Disc insulator of 11 KV grad

j) Pin type insulator of 11 KV grad

Supply and fixing of 96 x 96 mm Digital Ammeter / Voltmeter in existing MV panel by removing of faulty including mounting plate to sutable of existing 144 x 144 mm meters etc., as reqd.,

Reconditioning of existing earth by improving the earth value by providing salt solution and other compound if required, painting the earth manhole chamber with white wash, testing the earth values and submitting the earth value report to the engineer in charge etc., as required.

Removing of vegitation in outdoor HT Yard and cutting of branches of big Trees at beside of Yard as reqd.,

Painting the existing MS structure in the CT/ PT and Tr. yard with aluminium paint, cleaning the rust with emry paper making good etc. the items which shall be covered in this work are a) 6No MS pole structure, b) horizontal 'C' channels, c) MS channels, d) Fencing e) doors and other connected items related to the out door transformer yard.

Spray painting of the out door tansformers (2Nos) feeder pillar box (2Nos), trivector meter box, with AD grey colour etc., the work shall also include removing the existing rust with the help of emery paper, making good etc as required

Supplying of 3core 11kV grade 95sqmm XLPE aluminium conductor cable with ISI mark from New box pole to CT/ PT including transort to site, interconnections etc. (Make: Polycab or similar superior make)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of 95Sqmm size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc. as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11KV grade of 95Sqmm size in the existing RCC/ HUME/ METAL pipe as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11KV grade of 95Sqmm size in the existing masonry open duct as required.

Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE power cable of 11 KV grade of following size on surface with clamps etc., as required.

Supplying and making out door type End termination with Heat Shrinkable joint kit to the existing 3 core 95 Sq. mm X L P E, 11KV H.T. cable including crimping of lugs, providing cable supporting clamps, testing etc as required. (Raychem, Denson or SS make)

Supplying and fixing of 125 Amps 4P ON LOAD Change over switch in existing E-PI, EP-II including modification of switch chamber and front door by cutting drilling painting at site, providing MS clamp cable as reqrd.,[Make : SOCOMEC Model: 41K24013A]

Supply, laying and interconnections of 35sq mm copper flexible cable for incoming and out goings to 2 nos 125 A COS switches

Supply and crimping of 35 sqmm copper Lugs for the above 35 sq mm flexible copper cables etc, complete as required.

Removing of 400/250 TPN switches from existing Essential panels by divertion of outgoing cables to other switches to ackomidate of 2 nos 125 A Change over switches, reconnection of incoming cables to new Change over switches etc as reqd.,