CWE(AF)SGR/SGR-27/2019-20

Amount

Repair / maintenance and servicing of step down distribution transformer 11 KV/ 433 volts of following capacity and of any make comprising of following work services complete all as specified and directed by Engineer-in-Charge :- (a) Disconnecting carefully of cable end termination of 11 KV side and 433 volt side and transporting to trade work shop. (b) Opening of top cover by removing nuts, bolts and all mounting accessories and conservator tank. (c) Draining out transformer oil and keeping aside in barrel for re-use and then again pouring back after necessary filteration and dehydration including top-up with new transformer oil to make up the reduced quantity. After dehydration dielectric strength of transofrmer oil should not be less than 40 KV. (d) Replacement of top gaskets. (e) Servicing of tap changing gears by cleaning and polishing tapping contact points. (f) Labour only for cleaning of bush and stud both HV/ LV side and refixing the same with new cock sheet as required. (g) Replacing unserviceable stud and bush as required as directed by Engr-in-Charge. (h) Reconnection of all cable terminals HV & LV sides and refixing the top cover after replacement of gaskets, conservator tank in position. (j) Dehydrating of Silica Gel in breather and replacing with new Silica Gel to make up the reduced quantity. Colour of Silica Gel should be deep Sky Blue. (k) Connecting HT & LV side with existing incoming and outgoing cables including reconnection of earth strip/lead. (l) Transporting back to site and reinstalling at location as directed by Engr-in-Charge. Notes : (i) Spare parts (if required) will be measured and paid separately at "Supply only"rates. (ii) Colour of Silica Gel shall be Deep Sky Blue.

Transformer of 500 KVA Capacity

Transformer of 400 KVA Capacity

Transformer of 315 KVA Capacity

Transformer of 250 KVA Capacity

Transformer of 200 KVA Capacity

Transformer of 160 KVA Capacity

Supply only bushing and stud with porcelain insulators and gasket complete for LT side (as per existing size/Model) for 315 to 500 KVA capacity of transformer.complete all as specified and directed by Engineer-in-Charge.

Supply only bushing and stud with porcelain insulators and gasket complete for LT side (as per existing size/Model) for 160 to 250 KVA capacity of transformer.complete all as specified and directed by Engineer-in-Charge.

Supply only bushing and stud with porcelain insulator and gasket complete for HT side (as per existng size/Model) for 315 to 500 KVA capacity of transformer.complete all as specified and directed by Engineer-in-Charge.

Supply only bushing and stud with porcelain insulator and gasket complete for HT side (as per existng size/Model) for 160 to 250 KVA capacity of transformer.complete all as specified and directed by Engineer-in-Charge.

Replacement of burnt/ unserviceable defective HT copper coil of transformer 11KV/ 433 Volt Step down 315 to 500 KVA with new one made out of suitable size/ guage of copper super enameled wire of high quality matching with the existing impendence and insulated all complete all as specified and directed by Engineer-in-Charge. Note:- The rewinding of Transformer shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Replacement of burnt/ unserviceable defective HT copper coil of transformer 11KV/ 433 Volt Step down 160 to 250 KVA with new one made out of suitable size/ guage of copper super enameled wire of high quality matching with the existing impendence and insulated complete all as specified and directed by Engineer-in-Charge. Note:- The rewinding of Transformer shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Replacement of burnt/ unserviceable defective LT copper coil of transformer 11KV/ 433 Volt Step down 160 KVA to 250 KVA with new one made out of suitable size/ guage of copper super enameled wire of high quality matching with the existing impendence and insulated complete all as specified and directed by Engineer-in-Charge. Note:- The rewinding of Transformer shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Replacement of burnt/ unserviceable defective LT copper coil of transformer 11KV/ 433 Volt Step down 160 KVA to 250 KVA with new one made out of suitable size/ guage of copper super enameled wire of high quality matching with the existing impendence and insulated complete all as specified and directed by Engineer-in-Charge. Note:- The rewinding of Transformer shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Supply & filling Transformer Oil in 11KV / 433 Volt Step down 160 to 500 KVA line transformer in situ/ at site for toping up the level of oil having dielectric strength 60 KV during filling after initial filtration confirming to IS-335 complete all as specified and directed by Engineer-in-Charge. Note:- Transformer oil shall be supplied in sealed Containers.

Supply and filling Silica Gel for 11KV / 430 Volts transformer in the breather complete all as specified and directed by Engineer-in-Charge. Note :- Colour of Silica Gel should be Deep Sky Blue.

Preparation of old painted surface by steel brushing/cleaning stain, greasy spot with thinner, apply two coats of spray painting (synthetic enamel paint) all sides with spraying machine 11 KV / 433 V step down of capacity 315 KVA to 500 KVA Transformer and its accessories in the yard after disconnecting power supply and incl writting description and SM No of equipment in BLOCK ENGLISH LETTERS 50mm with white/ black synthetic paintcomplete all as specified and directed by Engineer-in-Charge.

Preparation of old painted surface by steel brushing/cleaning stain, greasy spot with thinner , apply two coats of spray painting (synthetic enamel paint) all sides with spraying machine 11 KV / 433 V step down of capacity160 KVA to 250 KVA / 433 Volt Step down Transformer and its accessories in the yard after disconnecting power supply and incl writting description of equipment and SM No in BLOCK ENGLISH LETTERS 50mm with white /black synthetic paint complete all as specified and directed by Engineer-in-Charge.

Repair/ maintenance and servicing of Servo Voltage Motor operating Oil Immerged Voltage Stablizer 3 phase 415 volts 50 HZ of following capacity and . Comprising following work services complete all as specified and directed by Engineer-in-Charge :- (a) Disconnection carefully in put & out put cable connection and foundation it any and transporting to trade work shop for repairs. (b) Opening of Top cover by removing nuts bolts and all mounting accessories etc. (c) Draining out stabilizer oil and keeping aside in barrel for reuse and then again pouring back after necessary filteration, Dehydration and dehydration including top-up with new tranformer oil to make up the reduced quantity after dehydration dielectric strength of Transformer Oil should be 40 KV. (d) Replacement of gas ket (e) Servicing of parts complete including cleaning and polishing the contact points. (f) Labour only for cleaning the internal body complete, under voltage coil with insulators, Servo motor, Volt meter , switches, dimmer state with PCB board etc. (g) Replacing unservicible nut bolts as required and as directed by Engr-In-Charge. (h) Reconnecting of all in out put contact points and refixing top cover after replacement of gas kit extra. (j) Transporting Stablizer back to the respective site connecting in put & out put cable testing & commencing. Note : Spare parts (IF required) will be measured & paid separately under relevant item of this schedule at " Supply only" rates.

Stablizer of 150 to 250 KVA capacity

Stablizer of 50 to 100 KVA capacity

Stablizer of 10 to 30 KVA capacity

Supply only under voltage coil with insulator suitable for stabilizer of capacity 150 to 250 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only under voltage coil with insulator suitable for stabilizer of capacity 50 to 100 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only under voltage coil with insulator suitable for stabilizer of capacity 10 to 30 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only servo motor suitable of 150 to 250 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only servo motor suitable of 50 to 100 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only servo motor suitable of 10 to 30 KVA complete all as specified and directed by Engineer-in-Charge .

Supply only dimmer state with PCB board suitable for 150 to 250 KVA DG set.complete all as specified and directed by Engineer-in-Charge.

Supply only dimmer state with PCB board suitable for 50 to 100 KVA DG set. complete all as specified and directed by Engineer-in-Charge.

Supply only dimmer state with PCB board suitable for 10 to 30 KVA DG set. complete all as specified and directed by Engineer-in-Charge.

Replacement of burnt Copper Coil winding complete with suitable size / gaug of super coper enameled wire of high quality mathing with existing wiring of voltage stabilizer transformer of capacity 150 to 250 KVA complete all as specified and directed by Engineer-in-Charge :- Note:- The Replacement of burnt primery and secondary coil copper winding shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Replacement of burnt Copper Coil winding complete with suitable size / gaug of super coper enameled wire of high quality mathing with existing wiring of voltage stabilizer transformer of capacity 50 to 100 KVA complete all as specified and directed by Engineer-in-Charge :- Note:- The Replacement of burnt primery and secondary coil copper winding shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Replacement of burnt Copper Coil winding complete with suitable size / gaug of super coper enameled wire of high quality mathing with existing wiring of voltage stabilizer transformer of capacity 10 to 30 KVA complete all as specified and directed by Engineer-in-Charge :- Note:- The Replacement of burnt primery and secondary coil copper winding shall be done only after inspection and certification by the rep of Accepting Officer declaring the old winding as unserviceable in writing.

Preparation of old painted surface by steel brushing / cleaning stain gresy spot with thimmer and applieying two coats of spray painting (synthetic enamel paint) all sides with spraying machine to servo voltage stablizer of capacity 150 to 250 KVA. complete all as specified and directed by Engineer-in-Charge

Preparation of old painted surface by steel brushing / cleaning stain gresy spot with thinder and applieying two coats of spray painting (synthetic enamel paint) all sides with spraying machine to servo voltage stablizer of capacity 50 to 100 KVA. complete all as specified and directed by Engineer-in-Charge

Preparation of old painted surface by steel brushing / cleaning stain gresy spot with thinder and applieying two coats of spray painting (synthetic enamel paint) all sides with spraying machine to servo voltage stablizer of capacity 10 to 30 KVA.complete all as specified and directed by Engineer-in-Charge

M/S Noor Mohammad Shalla

CHINAR CONSTRUCTION TRADERS

M/s Jaipal Associates

Razdan Builders and Suppliers

MIR AND CO