COMPREHENSIVE REPAIR MAINT OF DISTRIBUTION TRANSFORMERS EARTHINGS PAINTING WORK GOD LIGHTENING ARRESTER DEHYDRATION OF TRANSFORMERS OIL AND CONNECTED ITEMS UNDER GE NORTH AKHNOOR

Amount

Taking down carefully following capacity transformer from four pole and two pole, platform by disconnecting all the electrical connection and transporting the same to authorised workshop include draining out of the transformer oil in clean barrels, opening the top cover, taking out of the defective/burnt out HT/LT coils out of the tank for repair, insulation testing of the transformer winding ,refilling the transformer oil after checking proper dielectric strength, refitting the top cover and other accessories including painting of the transformer with approved colour all as specified and directed and transporting the transformer back on original place for installation and securing properly on four/two pole/platform and making all HT/LT connection to the complete satisfaction of Engr-in-charge all as specified and directed for the following:- (a) 25 KVA to 150 KVA Note for Srl Item No 1, 2 & 3 :- (a) The rates are inclusive of transportation of transformer from site of installation to authorised workshop and back including T&P required and all the HT/LT winding shall be measured and paid separetly. (b) Standby transformer shall be arranged by contractor at their own cost to avoid failure of supply on site and the capacity of transformer should be matched with repaired transformer.Penalty charges @1000/day shall be deducted on failure of arrangement of standby transformer. (c) Contractor has to submit the list of authorized workshops for full satisfaction of Engr-in charge and final binding shall remain with the Engr -in-charge.

Ditto all as per Srl item No 01 here-in-above but Exceeding 150 KVA and upto 300 KVA

Ditto all as per Srl item No 01 here-in-above but Exceeding 300 KVA and upto 750 KVA

Replacement of burnt defective LT copper coil of transformer with new one made out of suitable size/guage of copper super enameled wire of high quality matching with the existing impedence and insulation all as specified and directed by Engr-in-Charge suitable for following capacity:-. (a) 25 KVA to 150 KVA Note :-For srl item No 4, 5 & 6 The cost of coil shall be inclusive of cost of varnish insulating paper and other insulating materials and no extra payment will be made for the same.

Ditto all as per Srl item No 4 here-in-above but Exceeding 150 KVA and upto 300 KVA.

Ditto all as per Srl item No 4 here-in-above but Exceeding 300 KVA and upto 750 KVA.

Replacement of burnt defective HT copper coil of transformer with new one made out of suitable size/guage of copper super enameled wire of high quality matching with the existing impedence and insulation all as specified and directed by Engr-in-Charge suitable for following capacity:-. (a) 25 KVA to 150 KVA Note :-For srl item No 7, 8 & 9 The cost of coil shall be inclusive of cost of varnish insulating paper and other insulating materials and no extra payment will be made for the same.

Ditto all as per Srl item No 7 here-in-above but Exceeding 150 KVA and upto 300 KVA.

Ditto all as per Srl item No 7 here-in-above but Exceeding 300 KVA and upto 750 KVA.

Supply and filling in replacement new transformer oil in transformers of lower oil level, levelling upto desired level having dielectric strength not less than 45 KV conforming to relevent IS all as specified and directed. Note : Transformer oil shall be in sealed container.

Construction in replacement of transformer platform size 3mx2mx1m from ground incl XPM jalli fabricated with angle size 50x50x6mm and two coat of aluminium paint over one coat of red oxide incl steps plinth protection and all other relevant works complete all as specified. Transformer platform shall be based on approved drawing of zonal CE.

Supply, commissioning and testing of HT Bus bar control panel board 11000 volts AC 3 phase for outdoor installation Kiosk Type with sloping canopy fabricated out of steel section i.e CRCA sheet 3.15mm thick, angle/channel and flat iron sections of suitable sizewith opening on front, door in two halves fitted with handle and bolts for pad lock. The panel door shutters fixed with stainless steel hinges, heavy duty and with door stoppers. The door opening shall not be less than 150 degree. The construction of panel board shall be dust, vermin proof IP 54 standard with phosphatised powder coating painting externally and internally to protect against corrosion. The panel shall be mounted on suitable size of PCC platform 1:2:4 and channel section having ground clearance 60cms from grouting bolts complete incl incorporated with bus bar chamber with electrolytic grade aluminium strip with heat shrinkable sleeves with colour code supported on epoxy resin based insulators 3 strip of suitable length for current rating 150 Amp complete all as specified and directed.

Filtration ,heating and dehydration of transformer oil on site by using filteration machine and EHV grade having dielectric strength not less than 55 KV with 2mm gap inluding removal of all moisture,dirt/girth all as specified and directed by Engr-in-charge. Note:-Filtration, heating and dehydration of transformer oil shall be carried out on site and rate quoted by contractor shall be deemed to include for arrangement of filtration machine and its transportation to various locations of installation of transformer and topping of oil.

VISHAL CONSTRUCTION