E-Tender No. 14/ETD(R)/2023-24

Amount

11 KV INDOOR VCB Repairing & General overhauling

Opening of auxiliary Bus bars, Vacuum Interrupters, Resin phase barriers, fixed and moving contacts, Drive Insulators etc as required.

Cleaning/General overhauling of carbonized auxiliary Bus bars, Vacuum Interrupters, Resin phase barriers, fixed and moving contacts, Drive Insulators etc. (Note: Cleaning to be done using proper method like sand paper, cleaning sprays, rust removing sprays,etc as per requirement which will be provided by contractor)

Refitting of auxiliary Bus bars, Vacuum Interrupters, Resin phase barriers, fixed and moving contacts, Drive Insulators etc.

Opening of operating Mechanism/associated Equipment as required (tripping lever, charging lever, inter lock lever, locking drum, mechanism springs, setting screw, stop pin, trip prop, set screw, spindle, lock nut, Trip roller, racking arm, secondary plug flap, coil assembly, release roller,ratchet, coil pot, main toggle, Tripping plunger, operating springs, Trip coils etc.) (Note: Every single equipment of the operating Mechanism of trolley will be opened and checked as per Requirement under every circumstance and situation)

Cleaning, General overhauling & Refitting of operating Mechanism of operating Mechanism/associated Equipment as required (tripping lever, charging lever, inter lock lever, locking pin, trip prop, set screw, spindle, lock nut, Trip roller, racking arm, secondary plug flap, coil assembly, release roller, ratchet, coil pot, main toggle, Tripping plunger, operating springs, Trip coils etc. (Note: Every single equipment of the operating Mechanism of trolley will be cleaned and overhauled as per Requirement under every circumstance and situation. Overhauling will include thorough examination and repairing of every part of trolley and associated switch gear. Repairing will include fabrication of the part if required. Each and every part will be repaired under all situations and circumstances. The contractor will be responsile to keep the trolley operating mechanism healthy under all situations.

General overhauling/oiling of VCB truck wheels, Wheel coupling assembly, alignment of the same. Note: Overhauling will include complete repairing of above mentioned parts/objects and will comprise of fabrications of parts wherever and whenever required.

Opening of 11 KV main panel bus bars, spout bus bars, C.T Bus bars, as required.

Cleaning, General overhauling & setting of 11 KV main panel bus bars, connecting bus bars, C.T Bus bars and other bus bars. Note: Overhauling will include all kinds of repair and fabrication required, customised setting and alignment of bus bars as per requirement.

Opening, cleaning & general overhauling of spring charging motor. Note: The Spring Charging motor must be kept healthy under all circumstances. The contractor will be responsible to repair the motor whenever required under all situation and cicumstances.

Supply of Spares for 11 K.V. Indoor V.C.B.

Trip Coil with Housing

Push Button

Din Rail Mounted Terminal block

Single phase 11 KV current transformers of ratio as required suitable for metering and protection purpose, burden 15 VA, 5P 10 ( Ratio 800/400/5A (3NOS), 600/300/5A (6N0S), 400/200/5A (6N0S)

Flush type switchboard mounting pattern 96x96 sq.mm AC Digital voltmeter

Indicating lamps size 22 mm coloured red, amber and blue, white, green, etc.

Auxiliary connector/contact

Flush mounting pattern 96x96 sq.mm Digital Ammeter.

240 V, 100 W, AC single phase anti / condensation heater, with thermostat (0-60 deg.C) and switch.

Bus Bar Spout Epoxy casted R Phase

Bus Bar Spout Epoxy casted Y Phase

Bus Bar Spout Epoxy casted B Phase

Housing for vacuum interrupter( All makes and sizes)

Vaccum interuppter 11 KV 2000 Amp., 26.3 KA.

Kit Kat 32 Amp

T N C Switch

MCB single pole 6 Amp

MCB Double pole 10 Amp

3 Phae Auxillary Cotactor with NONC block 32 amp/Glass relay.

2.5 sq mm pvc stranded copper wire

Monthly maintenance/AMC

Monthly maintenance/AMC cost of 11 KV VCB panels (After Completion of One Year Warranty of Repairing & Overhauling) (15x12=180)

MAA JAGDAMBA TRADERS

PRASHANT ELECTRICALS