WBPWD/AE/BMCESD/NIeQ-07/24-25

Amount

SITC of one no. Line P.T on existing HT Gear Panel. Rated Voltage : Primary - 11000/√3, Sec. - 110/√3; Type : Cast resin, draw out type, 3-phase, 3-limb complete with HV fuses. Barden : 100VA per phase; Class of insulation : Class 'E' or better, Accuracy Class : 0.5; Rated voltage factor : 1.2 continuous, 1.5 for 30 Secs. PT should be drawout type and service continuty shall be independent of Breaker trolley position. (Make : As per exsisting or as per direction of EIC)

Supply & Delivery of Panel mounting type Dual Core Current Transformer having CT ratio : 50/5/5A with CORE 1:15VA , Class : 1.0 , CORE2:15VA , Class : 5P10 , Type : “R-XL”, Burden : 15VA , STC : 18.4KA for 1 sec , Insulation Level : 11/28 KV 11KV, 800A, 18.4KA Oil Circuit Breaker Panel as per direction of EIC. (Make : As per exsisting or As per Direction of EIC)

Supply & Fixing 800/5 Amp ratio C.T, 10VA, Class- 1.0. (Make-Kappa).

Supply & Fixing 250 Volts L.E.D (RYB) source indicating lamps with sliding fuses and switches. (Make- L&T).

SITC of Vacuum Interrupter with Housing for 11 KV Indoor type VCB as per manufacturer's standard. (Make- ABB Model - VGE4)

Through repair, overhauling, treatment and cleaning the 4 sets of internal LT Bushing, stud rods properly and opening the 3 sets of internal HT bushing , cleaning the same by C.T.C and re-setting all the bushing etc in proper possition after changing the 'O' ring and setting of the TAP Changing switch including all necessary work for proper charging as per direction of EIC.

Replacing of oil by dehydrated/ new oil (Supplied in separate item) for 500KVA Transformer incl. Lifting the core and winding, flushing of transformer tank,winding and core to remove the accumulated sludges after replacing the gasket and heat running to rise the IR value to the specified value, lowering the core and winding in position and refixing the top lead of the transformer.

Testing of acidity test of 11KV/415V 2No 500 KVA Transformer, as per direction of EIC.

Testing of di-electric strength of transformer oil of 2 Nos Transformer before start the work and after completion the work. In presence of EIC.

Supply & pouring of new transformer oil to the 2 no 500 KVA Transformer, as required.

Supply and fixing of oil seal suitable for 11KV/415V, 500 KVA transformer as per direction of EIC.

Servicing, cleaning, checking & charging of Breather by S & F fresh Silica Gel as required.

Supply and fixing of Space Heater with Thermostat on the existing HT gear as per direction of EIC.

Transportation charges of Transformer Oil along with chain pully, steel structure, testing equipment, dehydration machines etc. incl. loading and unloading as required.

Rate to be quoted will be inclusive of all taxes incl. GST. No other additional charges will be applicable in addition to the quoted rates.

DURGAPUR POWER (BID ID -6102240)

GHOSH ENTERPRISE (BID ID -6105792)