NIT NO. 25 ITEM NO. 15

Dismantling of the existing Starter from the panel chamber after disconnecting all the mountings, cable connections, bus bar connections, joints and other works. Dismantling the control connections to discharge the starters completely. Proper Cleaning of the Panel chambers after removing of the Starters from the chambers.

Supply of Soft Starter of ATS22 model, 250 KW Reference No. ATS22C48Q- Make - Schneider

Installation of the new starter complete in the chamber along with providing all material required for the fixing of starter including providing and fixing of base frame and other required mounting accessories/ material and carrying out complete modification work as per site requirement.

Dismantling the existing defected MCCB from the panel chamber after disconnecting all the joints / connections. Providing and fixing of the new 630 Amperes 3 Pole 50 KA MCCB as required for providing incoming supply to the Soft Starters including modification, providing base and other material for mounting the MCCB as per site requirement.

Making the required Bus Bar connections from the incomer MCCB to the newly fixed soft starter including dismantling of existing bus bars, rearrangement of bus bars as suitable for the new MCCB with modification of existing, addition of new bus bars for replacing any defected links as per requirement, making joints etc. with nut bolts and including providing all the material as per site requirement.

Making the required outgoing connections from the Soft starter to the motor/ pumps including modification of existing / addition of new bus bars for joints as required and making end termination of the existing cables and providing required supports with nut bolts, making joints etc. and including providing all the material as per site requirement.

Renovation of metering system of the starter by replacing any defected metering/ indicating instruments along with replacing defected CTs as required including making complete wiring connections through copper flexible wires as per site requirement.

Making of required control wiring connections along with protection arrangement, restoration of wiring of starter operating system with copper flexible wires complete with thimbling etc. as per site requirement.

Making the configuration for the starters for setting up of tripping range and other calibrations etc. as per the load and as per site requirement

Testing and commissioning of the new Soft starter, MCCB and complete motor starting system after above works including testing for the functioning, tripping and operation of Motors as per site requirement.

Checking calibration of the tripping arrangement of the existing Schneider make Soft starters. Checking and Restoration of any defected control wiring connections of the Starters, tightening of their bus bar joints /cable connection joints, restoration of metering / indicating system with checking wiring as per site requirement.

Renovation and strengthening of the motor cable connections by providing and fixing of the copper cable leads of suitable size, connecting them to the existing Aluminium cables with proper thimbling and making joints as per site requirements.

Replacement of cable connections plates after dismantling / removing of the defected plates, fixing of new plates and remaking of all the cable connections as per site requirement.

M.B. Enterprises