REPLACEMENT OF OLD EXISTING VCBS AT VARANASI CANTT UNDER GE (EAST) PRAYAGRAJ.

Supply, Installation, testing and commissioning in replacement of HT 11 KV, 3 Phase, 50 Hz, 3 wire, totally enclosed, metal clad, prewired, extensible type, indoor type, floor mounted, horizontally draw out, horizontal isolation type vacuum circuit breaker (VCB) 630/400 Amp rating, consisting of INCOMER VCB-01 No. Outgoing VCB-03 No. and suitable size adopter panel to connect new VCB panel with the existing HT VCB Panel with copper bus bar of appropriate capacity duly insulated, motor operated, spring charged having rupturing capacity 350 MVA, comprising of the following including provision of suitable foundation and duct under the VCBs for necessary entry for cables and including the following: (A) Incoming VCB, 630 Amps, 350 MVA - 01 No with and including the following:- (a) Housing for circuit breaker carriage - 1 No (b) Vacuum interrupter suitable for 630 Amps - set of 03 (c) Mechanical interlock and automatic safety shutter gear including padlocking arrangement - 1 No (d) Closing & tripping coil suitable for 24 V DC - 01 Set (e) 4 NO + 4 NC Auxiliary switch - 01 Set (f) Mechanical ON/OFF indicator - 01 Set (g) Mechanical spring charge/discharge indicator - 01 Set

(h) Breaker Position indicator - 01 Set (j) Mechanical operating counter - 01 Set (k) Automatic safety shutters - 01 Set (l) Secondary Plug in contacts - 01 Set (m) Anti Pumping relay - 01 Set (n) 11 KV Epoxy Resin Cast current transformer of ratio 200/60-5+5A, Core I, Class 1.0 with 15 VA burden for metering, core II CL-1.0, 5 P 10 with 15 VA burden for protection, - 03 Nos (o) 11 KV epoxy resin cast potential transformer of ratio (100/IV) 11/under root 3/110/under root 3 V, 3 phase, draw out type, Core I, Cl 1.0 with 100 VA burden for metering & protection - 01 No (p) Meter misc type 96sqmm ammeter with selector switch - 01 No (q) Meter Misc type 96sqmm voltmeter with selector switch - 01 No (r) Relay non drawout case type, micro processed based non-direction IDMT - 01 No (s) Master trip relay model No AVAJH-13-01 No (t) Auxiliary relay - Model No AVA-23-01 No (u) Trip circuit supervision relay model No JRV-911-01 No (v) Battery power pack with battery & built in charger for 24V circuit - 01 Set (w) KWH meter suitable to record unit consumed - 01 No (y) R.Y.B indication lamp - 01 Set (z) Breaker ON/OFF indicating lamps - 01 No (aa) Spring charging indication lamp - 01 No (ab) Auto trip indication lamp - 01 No

(ac) Trip circuit healthy indication - 01 No (ad) Trip/Neutral/Close switch - 01 No (ae) Trip circuit healthy push button - 01 No (af) MCB for spring charge motor - 01 No (ag) MCB for AC/DC supply - 01 Set (ah) Panel space heater with thermostat - 01 No (aj) Panel illumination with switch - 01 No (ak) 5 Amps 3 pin socket with switch - 01 No (al) Copper Bus bar 1000 Amps rating with sleeves R, Y, B - 01 Set (am) Control fuses, ferules & wiring complete - 01 Set (am) MS cubical with powder coating - 01 Set (an) Rear cable termination, provision for terminating 1x3 core x 95 sqmm XLPE cable - 01 No for incoming and side cable termination box arrangement for terminating 1 x 3 core x 95 sqmm for outgoing (B) Outgoing VCB, 400 Amps, 350 MVA - 03 Nos with and including the following in each VCB: (a) Housing for circuit breaker carriage - 1 No (b) Vacuum interrupter suitable for 400 Amps - set of 03 (c) Mechanical interlock and automatic safety shutter gear including padlocking arrangement - 1 No (d) Motor/Manual spring charging mechanism 230 V AC - 01 Set (e) Closing & tripping coil suitable for 24 V DC - 01 Set (f) 4 NO + 4 NC Auxiliary switch - 01 Set (g) Mechanical ON/OFF indicator - 01 Set

(h) Mechanical spring charge/discharge indicator - 01 Set (j) Breaker Position indicator - 01 Set (k) Mechanical operating counter - 01 Set (l) Automatic safety shutters - 01 Set (m) Secondary Plug in contacts - 01 Set (n) Anti Pumping relay - 01 Set (o) 11 KV Epoxy Resin Cast current transformer of ratio 100/30-5+5A, Core I, Class 1.0 with 15 VA burden for metering, core II CI-1.0, 5P 10 with 15 VA burden for protection - 03 Nos (p) Meter misc type 96sqmm ammeter with selector switch - 01 No (q) Meter Misc type 96sqmm voltmeter with selector switch - 01 No (r) Relay non drawout case type, micro processed based non-direction IDMT - 01 No (s) Master trip relay model No AVAJH-13-01 No (t) Auxiliary relay - Model No AVA-23-01 No (u) Trip circuit supervision relay model No JRV-911-01 No (v) KWH meter suitable to record unit consumed - 01 No (w) R.Y.B indication lamp - 01 Set (x) Breaker ON/OFF indicating lamps - 01 No (y) Spring charging indication lamp - 01 No (z) Auto trip indication lamp - 01 No (aa) Trip circuit healthy indication - 01 No (ab) Trip/Neutral/Close switch - 01 No

(ac) Trip circuit healthy push button - 01 No (ad) MCB for spring charge motor - 01 No (ae) MCB for AC/DC supply - 01 Set (af) Panel space heater with thermostat - 01 No (ag) Panel illumination with switch - 01 No (ah) 5 Amps 3 pin socket with switch - 01 No (aj) Copper Bus bar 630 Amps rating with sleeves R, Y, B - 01 Set (ak) Control fuses, ferules & wiring complete - 01 Set (al) MS cubical with powder coating - 01 Set (am) Rear cable termination, provision for terminating 1x3 core x 95 sqmm XLPE cable - 01 No for incoming and side cable termination box arrangement for terminating 1 x 3 core x 95 sqmm for outgoing (an) In-built integral earthing. Make:- ABB/Scheider/Siemen/Crompton. Note:- Before placement of order, contractor will submit GA drawing to GE for approval. On approval of drawing, contractor shall place the order. 2. Pre-dispatch inspection shall be carried out at Manufacturer Premises by Representative of Accepting Officer. Cost thereof, if any, is deemed to be included in the unit rate quoted by the contractor.

M&L for Earthing complete with GI earth plate electrode 600 mm x 600mm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 Mtr below ground level with the top edge of earth plate at depth not less than 1.5 Mtr below ground level connected to galvanised iron earth strip 25 X 4 mm by means of bolts, washers ,watering pipe 20mm dia, light grade GI pipe, with welded funnel and wire mesh and 40mm dia light grade GI pipe with fitting as protection pipe for strip from plate electrode to test point /plant/machineries etc. including necessary excavation and earth work in any type of soil, salt, charcoal dust, concrete pit in PCC (1:3:6) type C-I having outer dimension 60cmx60cmx60cm and internal dimension 30cmx30cmx30cm, pre-caste RCC 1:2:4 type B-1 cover slab of size 350x350x50mm reinforced with 8mm dia deformed bares @15 cm centre to centre both direction and 10 mm dia MS handle of suitable size charcoal or coke and salt in alternative layers, necessary earth work in soft/loose soil all as shown in electrical plate No 3 of MES Schedule Part I and testing complete all as specified and as directed.