E-Tender No. 06/ETD(R)/2024-25

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.

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.)

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.

General overhauling/oiling of VCB truck wheels, Wheel coupling assembly, alignment of the same.

Painting of VCB panels( outer surface and interior lower area where VCB is placed)

Epoxy painting/ PVC sleeve covering of Bus Bars/spouts/CT.

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.

Opening, cleaning & general overhauling of spring charging motor.

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

Replacement of old 24 V Battery Bank for DC supply of relay with associtaed equipments like movable trolley for battery palcement and rewiring of DC connections of all VCB panels as per requirement.

24 V battery charger, float cum boost micro controller based havbing 2500 VA

Monthly maintenance/AMC

Monthly maintenance/AMC cost of 11 KV VCB panels for One year (After Completion of One Year Warranty of Repairing & Overhauling) (8x12=96)

WALDIA AND SONS

vijay electricals