WBPWD/AE/DESD/eNIQ-12/ 2024-25

Amount

Dismantling & disconnection of H.T & L.T cables / copper bars etc for 500 KVA transformers.from its original position if reqd. as per direction of EIC

Washing the transformer core and copper windings carefully and cleaning the cores by soft brush and soft cotton clothes and the cores & winding should be cleaned properly & dry the transformer and raise the I.R value as per direction of EIC

Charges of various test of 500 KVA Dry type Transformer winding resistance. voltage ratio. , phase displacement. short-circuit impedance , no-load loss etc as per requirement at the works as per direction of EIC

Reconnection the of H.T & L.T cables / copper bars etc to its original position with the expert technician with the co's own tools & tackles at site to complete the job as per direction of EIC

Checking , Cleaning, Servicing , Tightning of 11 KV , 630 Amp rated , 3 Panel H.T switch gear with the expert technician with the co's own tools & tackles at site to complete the total work as per direction of EIC i) Checking , Cleaning and testing of front cover, push button, locking device etc comp. ii) Checking , Cleaning and testing of electrical spring charging system Motor comp. iii) Checking , Cleaning and testing of tripping coil comp. iv) Checking , Cleaning and testing of closing coil comp. v) Checking , Cleaning and testing of Protection Relay comp. vi) Checking , Cleaning and testing of main contact comp. vii) Checking , Cleaning and testing of fixed contact comp viii) Checking , Cleaning and testing of moving contacts comp ix) Checking , Cleaning and testing of Breaker main Mechanism by fully synthetic imported multipurpose lubricant to increase the reliability in terms of mechanical as well as electrical properties x) Checking , Cleaning and testing of main spring/tripping spring/locking spring comp. xi) Checking , Cleaning and testing of spring charging handle comp. xii) Checking , Cleaning and testing of breaker rear terminals comp. xiii) Checking , Cleaning and testing of racking mechanism properly comp. xiv) Checking , Cleaning and testing of cams gears , spring ,etc comp. xv) Checking , Cleaning ,testing and tightening of control unit connection block and chasis rear terminals comp.. xvi) Checking , Cleaning , testing and tightening of all bus bar / support. xvii) Checking , Cleaning , testing and tightening of all live terminal properly xviii) Cleanness & dryness of the panel. 1 no Incomer & 2 nos Outgoing )

Testing of 11 KV , 630 Amp rated , 3 Panel H.T switch gear with the expert technician with the co's own tools & tackles and testing with High Voltage Testing Machine at site to complete the total testing work as per direction of EIC a) Testing of 11 KV HT switch gear, b) AC & DC Control circuit to be checked thoroughly. c) Servicing & testing of CT d) Servicing & testing of PT e) Servicing, Testing of Over current, Earth fault, & IDMT Relays & all auxiliary relays. f)Testing of Insulation Resistance (IR) of Breaker. g) Testing of Insulation Resistance (IR) of cables h) Checking of Induction Circuit. i) Checking of Breaker tripping system j) Checking of Over current / tripping test. k) Checking of Earth fault / tripping test. l) Checking & testing of breaker tripping by mechanically ON/OFF of breaker switch etc m) Thoroughly checking before feeding power to Panel (1 no Incomer & 2 nos Outgoing )

Changing the existing defective damage sockets of various rated XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials to complete the job as per direction of EIC

Transportation charge for carrying testing machine incl. others tools & tackles etc. etc. from Company workshop to site and return back from site to Companies Workshop incl. loading unloading on both side as per requirement

Add GST @18% On total from item no 1 to 8.

Add LWC @1% On total from item no 1 to 9.

DURGAPUR POWER (BID ID -5687148)

SASTIK ENTERPRISE (BID ID -5719427)