NIT No-11 EE (EM) M-I/ (24-25) Item No. 04

Dismantling by disconnection all the incoming as well as outgoing connections, dismantling the old defective component after making suitable arrangement for continuous power supply to the panel and Dismantling old indicating instruments.

Providing and Fixing of air circuit breaker 800 Ampere 3P 50 KA ICS=ICU100=ICW (1Sec) with thermal magnetic release in the existing panel. Make:- L&T/Siemens/DJB Approved.

Servicing of Air Circuit breaker 1600 Ampere by cleaning of dust, forgeing particles etc. removal of grease from the various parts of ACB, cleaning of all parts with cleaning agent such as CRC-2-26, check the setting of arcing contact, release etc. Checking the tightness of all hardware and also presence of hardware missing, Fixing of spares and accessories which needs replacement and re greasing as recommended in ACB service manual by replacing spare parts like cluster male female contact, pole assembly, indicating lamps etc as required.

Servicing of Air Circuit breaker 800 Ampere by cleaning of dust, forgeing particles etc. removal of grease from the various parts of ACB, cleaning of all parts with cleaning agent such as CRC-2-26, check the setting of arcing contact, release etc. Checking the tightness of all hardware and also presence of hardware missing, Fixing of spares and accessories which needs replacement and re greasing as recommended in ACB service manual by replacing spare parts like cluster male female contact, pole assembly, indicating lamps etc as required.

Providing and Fixing of PVC Sleeve with hot blower for bus bar as per requirement.

Providing and Fixing locks and hinge as per requirement of panel for proper closing of panel doors.

Rectification of panel control wiring ,cleaning, & tightening of all bus connections.

Assembling of all panel parts, Insulation resistance test and testing on load at site

Dust blowing & cleaning of the complete LT Panel Board with the help of electric blower set manual cleaning.

Testing and commissioning of above component and allied accessories as per required parameters with relevant IS. Testing of panel prior to switching on as follow: i. Continuity and earth testing ii. Merging of all equipment for phase to phase, neutral to body, neutral to earth and phase to earth iii. Checking for all tightness of nut and bolts. iv. Alignment of doors etc. v. Interlocking test. vi. All function tests. vii. Testing on load as per satisfaction of engineer in charge.

GOGIA BROTHERS