WBPWD/EE/BED/e-NIQ-107/2024-25

Amount

Testing of sub-station equipments such as 2 No 500KVA 11KV/433V oil cooled Transformer, and 11KV HT VCB 4 Panel by special type testing instruments by scarching several hours detection to locate the fault of Sub-station equipments as per direction of E.I.C.

Pouring down the Transformer oil from outlet valve and stack in separate drums to prevent leakage of transformer in different sectors for 11KV/433V 1 No 500KVA power transformer.

Decompounding the HT cable end termination box of 500KVA transformer after dismantling the existing HT cable connections by expart worker to avoid any damages as per direction of EIC.

Dismantling the top cover and conservator tank for through repair of the transformer including gasket changing etc as required as per direction of the EIC.

Lifting the core and windings of the transformer with the help of tripod, chain pully etc. as required (including hiring charges of the same) for removing the accumulated sludges as per direction of the EIC.

Washing the core and windings with forced warm oil spray by fresh transformer oil including time to time testing by 2500V megger for measuring of insulation result as per direction of the EIC.

Thorough repair, overhauling, treatment and cleaning the 4 sets of internal L.T. Bushing, stud rods properly and opening the 3 sets of internal H.T. bushing, cleaning the same by C.T.C and re-setting all the bushing etc. in proper possition after changing 'O' ring and setting of tap changing switch incuding all necessary work for proper charging as per direction of E.I.C.

Supply and fixing proper top cover gasket suitable for 11KV/433V 500KVA power Transformer after necssary cleaning the existing old damaged gasket complete with fixing the top cover and conservator tank as per direction of EIC.

Testing of 11KV/433V 1No 500KVA power Transformer including HT cable and all other equipmets by 2500V HT megger to ready to energised the same as per direction of E.I.C.

Testing of di-electric strength of transformer oil of transformer before to start the work and after completion site in presence of E.I.C.

Supplying & pouring of new transformer oil to the 2 No 500KVA Transformer as required.

Dehydrartion and filteration of 11KV/433V 1 No 500KVA transformer oil as to G.S.

Supply and fixing silicazol suitable for 11KV/433V 1No 500KVA Transformer as per direction of EIC.

Supply and fixing oil seal suitable for 11KV/433V 1No 500KVA Transformer as per direction of EIC.

Transportation charges of 3 Nos empty barrels of 209 ltrs capacity (including hiring charges) along with chain pully, steel stracture, testing equipments, dehydration machine etc. and return back the same after completion of work incl. Loading and unloading.as required.

Dismantling the existing 11KV HT VCB 4 panel part by part very carefully to avoid any damages as per direction of E.I.C.

Thorough servicing and overhauling the 11KV HT VCB after dismantling all the components both electrical and mechanical portion & cleaning the same part by part after scraping carbon precipitation incuding washing the same by carbon tetrachloride solution properly to de-moisturised to raise IR value including checking time to time by HT megger for better result for IR value as required and re-assembling all the compenents properly (without spare)

Through servicing and overhauling of the 11KV HT VCB 4 panel including cleaning the same by CTC part by part all the components both electrical & mechanical portion after scraping carbon precipitation incuding washing the same by carbon tetrachloride solution properly to demoisturised to raise IR value including checking all the contact assembly inside 3 panel after cleaning all the busbars, CT"s, PT including checking time to time by HT megger for better result for IR value as required and re-fixing all the compenents properly.

Dismantling the existing 11KV 3 core 185 sqmm XLPE cable from transformer after lifting the silver sand from existing cable duct as per direction of EIC.

S&Drawing 11KV (E) 3 core 240sqmm XLPE Al. Armoured HT cable in existing masonary trench between transformer and HT switch gear.

Making termination of the 3 core 240 sqmm 11KV (E) XLPE HT cable including Supply of necessary jointing materials (Heat shrink of cable jointing kit of approved make) at switch gear and transformer end including testing as per GS.

Carrying out high voltage pressure test of the transformer, HT cables separately at required DC voltages (rectified AC) for one minute of the transformer and also per phase of the cable as per direction of the EIC.

Hiring charges for 25KVA DG set for continuous running from 2 days in three shift including supply and delivery of diesel and mobil and transportation charges from company's work shop to work site.

Supply of HSD oil for 25KVA DG set as per direction of the EIC.

Supply and fixing of Micom P111, OC/EF Numerical Relay (Schneider make) after dismantling of existing Relays including fixing arrangements as per direction by EIC

Note:- Rate should be quoted inclusive of all taxes and duties including GST.

M/s. Kar Electric Works (BID ID -6250687)

BIECTECH ELECTRICALS PRIVATE LIMITED (BID ID -6249885)

M/S MANAB ENTERPRISE (BID ID -6250679)