Repair /Maint of distribution and power transformers incl dehydration/ filtration of oil including other allied works in Sector C, E and F area in Army Area Jodhpur

Amount

M&L for disconnectiing the electric connection from over head line with care and removing the faulty step down transformer from two / four pole structure/platform and opening for inspection of Engr-in-Charge, fault finding and minor repairing/ servicing of transformer and repair/ replacement of worn out spares as directed at site incl. draining out the transformer oil in weather proof vessels and cleaning the transformer body thoroughly in side and out side with cotton and sand paper and reassembling, refilling of transformer oil, installation the same on its existing position connecting and testing complete 11/0.433 KV transformer of 25 to100 KVA capacity including loading, unloading, transportation of faulty transformer from army area to factory premises and back for major repairs complete all as specified and directed by Engr-in-Charge. Note: 1. The material required for replacement of faulty parts will be measured and paid separately under relevant item as Material and Labour. 2. The cost for fault checking/ fault finding, servicing and repairing including minor parts is deemed to be included in quoted rate. 3. New transformer oil /filteration of existing transformer oil filling after repair will be measured and paid separately against relevant item. 4. Copper winding will be measured and paid separately against relevant item. 5. The transformer will be opened in the presence of EIC.

All as per item No.1 above but capacity of 125 KVA to 200 KVA.

All as per item No.1 above but capacity of 250 KVA to 630 KVA.

Supply, fabrication, assembling, and testing HT/LT coil rewinding of transformer with super enameled or double paper / triple paper insulated mass impregnated complete limbs of three phase complete with all insulating material copper winding wire/strip of appropriate size and gauge with equal No of turns to match the existing coil of respective distribution or power transformer of any type and capacity all as directed by EIC. Note: 1. The cost for dismantling of burned transformer winding including other necessary work required is deemed to be included in quoted rate. 2. The cost for testing is also included in above rate. The old winding will be dismantled in the presence of EIC or their rep.

All as per item No 4, but aluminium winding wire/strip

M&L for replacement of HT 11 KV bush insulator suitable for distribution transformer of any type Up to 200 KVA.

All as per item No 6, but capacity above 250 KVA to 630 KVA

M&L for replacement of LT bush insulator suitable for distribution transformer of any type upto 200 KVA.

All as per item No 8, but capacity above 250 KVA to 630 KVA

M&L for HT bush rod made out of brass with nut bolt and washer suitable for distribution transformer any type upto 200 KVA

All as per item No 10, but capacity above 250 KVA to 630 KVA

M&L for LT bush rod made out of brass with nut bolt, rubber packing and washer suitable for distribution transformer any type upto 200 KVA

All as per item No 12, but capacity above 250 KVA to 630 KVA

M&L for filling of new transformer oil up to minimum level, dielectric strength of oil should not be less than 50KV at 2.5mm. Gap Make: SAVITA / POWER / HP

S&F in replacement of rubber/ cork sheet gasket set complete suitable for transformer of any type upto 200 KVA

All as per item No 15, but capacity above 250 KVA to 630 KVA

M&L for replacement of unserviceable tap changer suitable for existing transformer upto 100 KVA

All as per item No 17, but capacity above 125 KVA to 250 KVA

All as per item No 17, but capacity above 315 KVA to 630 KVA

M&L for replacement of silica gel of existing breathers and all as directed by EIC

M&L for silica gel breather transparent type with first filling of silica gel compete suitable for distribution transformer and all as directed by EIC.

M&L for filtration/dehydration of transformer oil at site to increase dielectric strength up to 50 KV at 2.5mm gap by filtration / dehydration machine and improvement of acidity within limit all as directed by EIC. Note: - (a) The cost of testing of dielectric strength of transformer is deemed to be included in quoted rate. (b) A test sheet to be prepared for before and after filteration di-electric strength.

M&L for cleaning, scrapping incl. necessary preparation of surface at site and spray painting of distribution transformer of any type complete incl. marking of date of dehydration on the body of capacity 25 KVA to 200 KVA all as directed by EIC.

All as per item no. 23 but capacity above 250 KVA to 630 KVA.

M&L for dismantling of Buchholz relay after disconnection of conservator tank, connected gate valves and control switch gear complete after decanning of transformer oil from the transformer for rectification of fault and cleaning, checking, refixing, refilling transformer oil and testing incl checking for any leakages at gate valves, drain valves and connection of Buchholz relay complete after replacement of defective spare parts like nut, bolt, washers and packing materials etc as required for distribution transformer of capacity 315 KVA to 630 KVA all as directed by Engineer in charge. Note: 1. The cost for dismantling of Buchholz relay , gate valves and conservator tank etc is deemed to included in quoted rate. 2. The cost for testing is also included in above rate. 3.The packing material is deemed to be incl in the above quoted rates. 4. The filtration of transformer oil and testing of dielectric strength is also included in the above quoted rates. 5.The contractor is requested to visit the site before quoting the rates.

All as per item no. 25 but power transformer of capacity 1.6 MVA to 3.15 MVA.

M&L for thermometer/Temperature gauge having brss sensor bulb to be placed in oil filled packet, analogue type with two bands for instant oil temp and max oil temp raised, Radial dial 100mm dia ramp 0 to 150 degree Cent. suitable for distribution transformer complete all as specified and directed by Engr-in-Charge. Make : - Unique / Oasis or equivalent.

M&L for repair to transformer radiator / fins of best quality including necessary cutting - welding, nut-bolt-washer etc suitable for distribution transformer of upto 315 KV. Note: If any transformer has four no. faulty radiator than four no. job will counted.

All as per item No 29, but capacity above 400 KVA to 630 KVA

M&L for minor repairing of transformer from 63 KVA to 250 KVA at site by disconnecting electrical connection including rectification of leakage problem of any type, from bush insulators, gasket etc and radiator brazing work, etc and reluging of LT side cable ends with suitable aluminium lugs after properation of cable end after cutting damaged / burnt cable and insulating with tape etc incl. replacement of cable gland of suitable size. Note: (i) The cost of minor spare parts e.g. gasket, nut-bolts-washers, lugs, neoprene rubber, ACSR jumper, etc. are deemed to be included in quoted rate. ( ii) The cost fabricated copper strip/bus bar to connect LT bushing will be measured and paid separately. (if required fixing of cable lugs with a copper strip/bus bar fabricated to joint the cable end and LT bushing of transformer)

All as per item No 30, but size 315 KVA to 630 KVA.

M&L for replacement of cable box cover of distribution transformer of any capacity complete including replacement of gasket 6 mm thick and bolts / nuts, washer complete all as specified and directed by EIC.

M&L for disconnecting the electric connection of 33/11 KV Power Transformer capacity 1.6 MVA to 5.0 MVA by isolating primary and secondary side connection, earthing including removal from site and shifting carefully without causing any damage to factory premisses at appropriate reputed workshop for detection of fault and finding remedial measures for making the transfromer including loading, unloading, transportation of faulty transformer from Army area to factory premises and back from major repair including checking / finding of major fault, opening / dismantling, necessary testing, reassembling and refixing on existing site after rectification of fault etc complete all as specified and directed by Engr-in-Charge. Note: 1. The material required for replacement of faulty parts will be measured and paid separately under relevant item. 2. The cost for fault checking/ fault finding, servicing and repairing including minor parts is deemed to be included in quoted rate. 3. New transformer oil /filteration of existing transformer oil filling after repair will be measured and paid separately against relevant item. 4. Copper winding will be measured and paid separately against relevant item. 5. The transformer will be opened in the presence of EIC.

M&L for disconnecting loading, unloading and transportation for shifting of transformer of any capacity and type from one location to another within the army area by wheeled crane incl. connecting complete necessary electrical connection, installation, testing and commissioning of repaired/serviced transformer all as directed by EIC.

Supply and fixing of fabricated copper bus bar strip of suitable size not less than 300mm x 45mm x 5 mm (length x width x thick) 'L' shape and drilling in 02 Nos holes at top and 01 No holes at bottom as to match with HT bushing of distribution transformer and cable end lugs complete as directed by Engr-in-Charge.

Shri Electrical Enterprises

Rajesh Enterprises

Nvimal Engineers and Contractor

M/S JAGDAMBA ENTERPRISES