Shifting of 250 KVA and 100 KVA HT Transformer at WSS Rakhshalina, Kunzwera, Chattergam and Ompora 1st

Amount

WSS Humhama Heights:- Repairs to the 100 KVA HT/LT transformer by way of:- (1)Disconnecting the transformer from HT/LT circuit. (2)Un-mounting from its platform and loading, it in a private load carrier for shifting to workshop. (3) Dismantling of the transformer involves removing of top cover and lifting of the core, checking HT/LT coils, Core thoroughly after draining of the transformer oil by suitable means. (4) Extracting the silicon core, so as to have access for removal of the damaged HT/LT Coils. Dismantling the core strips, cleaning and heating the core strips etc through suitable means to remove moisture completely. (5) Fabrication, providing, winding and fitting of new HT coils of three(03) legs with suitable gauge and size conductor and re-assembling the transformer and re-conditioning of three(03) No. LT Coils and then reassembling the transformer. The Bakelite pieces, lamination paper, leatherite paper cork sheet gaskets and other sundry items required during reassembling to be provided and fitted by the contracting agency. (6) Filtering the transformer oil (70lts) to remove moisture, impurities completely from oil and then back filling it into the transformer. (7) Drying out of the transformer core-winding assembly in oven for moisture removal and complete bonding between winding and insulation till peak value of insulation resistance is achieved. (8) Open circuit, short circuit and step up testing of assembled transformer. (09) Loading of transformer into a private load carrier by suitable means shifting it back to the site and installing the same. (10) Reconnecting the transformer in the circuit and then testing it on no load and full load. All Tools, tackles and labours (skilled/unskilled) required for the job are to be arranged and brought to site by the contracting agency. The old scraps shall be returned to Sub-Divisional store against proper receipt.

WSS Kunzwera:- Repairs to the 250 KVA HT/LT transformer by way of:- (1) Disconnecting the transformer from HT/LT circuit. (2) Un-mounting from its platform and loading, it in a private load carrier for shifting to workshop. (3) Dismantling of the transformer involves removing of top cover and lifting of the core, checking HT/LT coils, Core thoroughly after draining of the transformer oil by suitable means. (4) Extracting the silicon core, so as to have access for removal of the damaged HT/LT Coils. Dismantling the core strips, cleaning and heating the core strips etc through suitable means to remove moisture completely. (5) Fabrication, providing, winding and fitting of new HT coils of three(03) legs with suitable gauge and size conductor and re-assembling the transformer and re-conditioning of One LT Leg and then reassembling the transformer. The Bakelite pieces, lamination paper, leatherite paper cork sheet gaskets and other sundry items required during reassembling to be provided and fitted by the contracting agency. (6) Filtering the transformer oil (150lts) to remove moisture, impurities completely from oil and then back filling it into the transformer. (7) Drying out of the transformer core-winding assembly in oven for moisture removal and complete bonding between winding and insulation till peak value of insulation resistance is achieved. (8) Open circuit, short circuit and step up testing of assembled transformer. (09) Loading of transformer into a private load carrier by suitable means shifting it back to the site and installing the same. (10) Reconnecting the transformer in the circuit and then testing it on no load and full load. All Tools, tackles and labours (skilled/unskilled) required for the job are to be arranged and brought to site by the contracting agency. The old scraps shall be returned to Sub-Divisional store against proper receipt.

WSS Chattergam 2nd: Repairs to Standby 100 KVA HT/LT transformer by way of:- (1) Disconnecting the transformer from HT/LT circuit. (2) Un-mounting its platform and loading, it in a private load carrier for shifting to workshop. (3) Dismantling of the transformer involves removing of top cover and lifting of the core, checking HT/LT coils, Core thoroughly after draining of the transformer oil by suitable means. (4) Extracting the silicon core, so as to have access for removal of the damaged HT/LT Coils. Dismantling the core strips, cleaning and heating the core strips etc through suitable means to remove moisture completely. (5) Fabrication, providing, winding and fitting of new HT coils of one leg with suitable gauge and size conductor and re-assembling the transformer and re-conditioning of One number. LT leg and then reassembling the transformer. The Bakelite pieces, lamination paper, leatherite paper, cork sheet gaskets and other sundry items required during reassembling to be provided and fitted by the contracting agency. (6) Providing / filling of transformer oil of required viscosity and dielectric strength 150 lrts by suitable means as topping. (7) Drying out of the transformer core-winding assembly in oven for moisture removal and complete bonding between winding and insulation till peak value of insulation resistance is achieved. (8) Open circuit, short circuit and step up testing of assembled transformer. (9) Loading of transformer into a private load carrier by suitable means shifting it back to the site and installing the same (10) Reconnecting the transformer in the circuit and then testing it on no load and full load. All Tools, tackles and labours (skilled/unskilled) required for the job are to be arranged and brought to site by the contracting agency. The old scraps shall be returned to Sub-Divisional store against proper receipt.

WSS Phoroo Ist : Providing/fitting of HT 3 Core heat shrinkable cable jointing kit. The job include dismantling the power cable from HT pole after taking due clearance/ shut down and then preparing the cable terminals& connecting the power cable with HT line and testing it on no load and full load. All the tools, tackles, ladders, technical men required for execution of job are to be arranged and brought to site by the contracting agency.

WSS Kunzwera : Providing /Fitting of Brass LT bush Rods for 75 KVA Stabilizer With porcelain Insulators and Washers

WSS Chattergam 1st And Baginder lasjan :- Proving and Fitting of palmative packing (10MM And 12MM), 10 kg each.

Providing and fitting of Rubber Gaskets of size (80mm, 100mm, 125mm), 01 Dozen each size for preventive maintaince of various WATER SUPPLY SCHEME of this sub. Division.

Providing and fitting of assorted size of nuts and bolts for preventive maintaince of various WATER SUPPLY SCHEME of this sub. Division

M/S BHAT ENTERPRISES