COMPREHENSIVE REPAIR/MAINT OF DISTRIBUTION TRANSFORMER EARTHING PAINTING WORK GOD LIGHTENING ARRESTOR DEHYDRATION OF TRANSFORMER OIL AND CONNECTED ITEMS UNDER GE NORTH AKHNOOR

Amount

Taking down carefully following capacity Transformers from four/two pole/platform by issconnecting all the electrical connection and transporting the same to authorised workshop incl draining out the transformer oil in clean barrels,opening the top cover, taking out the defective/burnt HT/LT coil 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 in installation and securing properly on four /two pole/platform and making all HT/LT connection to the complete satisfication of Engr-in-charge all as specified and directed

(a) 25 KVA to 150 KVA

(b) Exceeding 150 KVA and upto 300 KVA

(c) Exceeding 300 KVA and upto 750 KVA

Note :- (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 easured 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.Penality charges @1000/day shall be deducted on fail 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.

M&L in 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:-.ote :- 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.

(a) 25 KVA to 150 KVA

(b) Exceeding 150 KVA and upto 300 KVA

(c) Exceeding 300 KVA and upto 750 KVA

M&L in 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:- Note :- 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.

(a) 25 KVA to 150 KVA

(b) Exceeding 150 KVA and upto 300 KVA

(c) Exceeding 300 KVA and upto 750 KVA

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 deemed to include for arrangement of filtration machine and its transportation to various locations of installation of transformer and topping of oil.

Construction in replacement of transformer platform size 3mx2mx1m from ground incl XPM jalli fabricated with angle size 50x50x6mm and two coat of aluminum paint over one coat of red oxide incl steps plinth protection and all other relevant works complete all as specified.

HT bushing assembly with brass nut,stud , washers and insulators suitable for outdoor type transformer of following capacity. (a) 25 KVA to 500 KVA

LT bushing assembly with brass nut,stud , washers and insulators suitable for outdoor type transformer of following capacity. (a) 25 KVA to 500 KVA

Supply and filling Transformer oil of dielectric strength not less than 40 KV with 4mm gap of discharge 2 sec for topping up of transformer complete all as specified and directed.

Supply and fixing copper fuse wire 60 Amp capacity complete all as specified and directed.

Taking down old /unsv earthing and Earthing complete with galvanized steel earth plate electrode 600mm x600mm x 6.3 mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 mtr below normal ground leel, connecting to the Galvanised earthing lead strip 32x6mm size, by means of bolts, nuts, heck nuts and washers of galvanized iron and earth lead protected by provision of GI medium grade pipe 65mm bore incl provision of concrete pit in PCC 1:2:4 type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC 1:2:4 reinforced with XPM (weight not less than 4 Kg/Sqm) and frame of angle iron 25x25x6mm with lugs 02 Nos and with 6mm dia MS bar handle made to shape GI medium grade 20mm bore pipe for watering perforated at bottom 1.75 metre long placed on top edge of earth plate, common salt & charcoal filling, test point made out of 40mm x 8mm FI with fixing arrangement, funnel, wire mesh and earth work in soft/loose soil, returning filling in and removal of surplus soil to a distance not exceeding 50 mtrs, all as per electrical plate No 5 of SSR-1991 Part I and connected to earth test point all as specified or indicated incl testing on completion.

Note:- Deduction for Schedule of credit (Sch 'A' Part-II) to be made of ₹ 543000.00 from the total quoted amount of BOQ while accepting the bid. Details of schedule of credit is given in tender documents.

M/S JIWAN SINGH (BID ID -3177838)

M/S RAJ ENGINEERS (BID ID -3176899)

darshan kumar gandhi (BID ID -3177622)