NIT No. 5 item No. 6

Dismantling of HT Panel Vacuum contactor 's current transformer to extend the connection of metering and protection from the CT Unit including, ensuring opening the isolator during the work in proper disconnection of the HT power/shut down and earthing using earth chain during the work

Dismantling of old and non-working motor protection relay from the Motor control panel by opening its wire removal from the fixture of the panel.

Providing & fixing of Over Current (3) & Earth Fault (01) relay for 3.3 KV HT Motors , the relay must have two NO + NC terminal for tripping the work includes cutting the panel etc to complete the work in Motor control panel

Work of Programming & commissioning of Earth fault and over current relay along with setting of parameters & testing & calibration of tripping system of the motor unit from Aux Tripping relay. The job includes providing and laying of control cables in the panel installed, work includes testing by manual method and wiring as required at site for motor control panel with skilled engineer at site.

Providing/fixing of power pack of rating 220-240 V AC to 24/30/110 Volt DC for providing the supply to the tripping system in Motor control panel and 3.3 KV HT VCB Panel make: Aditya/MMI/ any reputed make

Providing & installation of Ampere meter for current measurement of the motor ( Size 144x144) in Motor control panel and 3.3 KV HT VCB Panel

Providing and fixing of rubber gasket on the doors of the panel to make the panel dustproof and moisture proof in Motor control panel and 3.3 KV HT VCB Panel

Rectification of wiring of panel for protection relays and metering system with proper lugs, thimbles, insulation tape etc in motor control panel.

Servicing of Vacuum Circuit Breaker VMX Type of 3.3 KV , 3 Pole , 630 Amp including cleaning of male & female contacts with CRC. Cleaning of Vacuum interrupter bottles. Repairing, cleaning, lubrication and adjustments, servicing of operating mechanism for smooth operation of Vacuum Circuit Breaker, assembling of Vacuum Circuit Breaker after rectification of wiring as required.

Work of interlocking of incomer I, II and buscoupler for safety against switching both the supply at the same time, work include supply and installation of contactors required for completion of interlocking work

Dismantling of complete aluminium/ copper bus bar of the main panel and refixing the same after tapping on the same for proper insulation of 3.3 KV HT VCB panel

Providing & fixing of LED Type 22.5 mm size indicating lamp unit complete Make Schnieder

Work of dismantling the old over current and earth fault relay by opening all the wires etc with all required tools and manpower in 3.3 KV HT VCB panel .

Work of providing and fixing of latest earth fault and over current relay along with setting of parameters, cutting the panel as per site requirement in 3.3 KV HT VCB Panel .

Work of testing and commissioning of latest earth fault and over current relay along with setting of parameters in 3.3 KV HT VCB Panel Work includes calibration of tripping system of the installed transformer/load/motor from Aux tripping relay. The job includes providing and laying of control cables in the panel installed, work includes testing by manual method and wiring as required at site 3.3 KV HT VCB panel.

Rectification of wiring of 3.3 KV HT VCB panel for protection relays and metering system with proper lugs, thimbles, insulation tape etc.

Rectification in the door of the panel by providing and fixing new hinges and locking arrangement for 3.3 KV HT VCB panel.

Complete painting of the panel with two coats of super enamel paint and cleaning of the surface of the panel as per instructions of the engineer in charge.

K.L Enterprises