CWE/FZR-03/2023-24 REPAIR/MAINT OF INCOMMING/ OUTGOING VCB HT PANEL AND CONNECTED ITEMS AT 66 KV MRS AND OTHER HT SUB STN UNDER GE (EAST) FEROZEPUR CANTT

Amount

Supply and fixinging in replacement of relay provided on HT 11KV panel board for incoming & out going feeders in 66 KV MRS & other installation for healthy tripping for over current & earth fault (ASHIDA Numerical ADR 241A Commmunicable 3 OC 1 EF Protection Relay) complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement auxiliary switch Box type 6 NO/NC (3SV92 74) suitable for 630 Amps VMX VCB trolly 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement shunt trip coil assy 110 Volt DC (OG838) suitable for 630 Amps VMX type VCB trolly ,11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement Closing trip coil assy 110 Volt DC (CN-1179) suitable for 630 Amps VMX type VCB trolly 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement power pack to convert 220 volts AC to 110 Volts DC, along with the switch gear board to cater DC auxiliary supply, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement power convertor input 110-120 volts AC or 200-220 volts AC to output 24 volts DC 2.10 Amp along with switch gear board to cater DC auxiliary supply, complete all as specified and as directed by Engineer In Charge.

Taking out of Differential relay and repairing the same with the replacing of minor spares and made functional refixinging the same control panel of 66 KV transformer No-2. complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement digital Amp meter of size 96mm x 96mm suitable for 630 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement digital volt meter of size 96mm x 96mm suitable for 630 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement Current transformer (Apoxy) suitable for HT 11 KV Incoming feeder 400/200/5 Amps, single phase double core CT of accuracy class. 1.0 and 15 VA, for metering and 15 VA,CL 5P 10 for protection with STR (short time rating ) of 18.4 KA for 1 sec, complete all as specified and as directed by Engineer In Charge.

All as per item No 11 above here-in-before but for outgoing feeder of cap 200/100/5 Amps, complete all as specified and as directed by Engineer In Charge.

All as per item No 11 above hereinbefore but for outgoing feeder of cap 300/150/5 Amps, complete all as specified and as directed by Engineer In Charge.

All as per item No 11 above hereinbefore but for outgoing feeder of cap 150/75/5 Amps, complete all as specified and as directed by Engineer In Charge.

All as per item No 11 above hereinbefore but for outgoing feeder of cap 100/50/5 Amps complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement 11 KV Single phase PT 11 KV/3-110 Volts class1.0 conforming to IS-3156/1992 acomplete all as specified and as directed by Engineer-Charge.

Supply & fixing in replacement of TNC switch, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement HT 11 KV shunt capacitor of capacity 275 KVAR outdoor type single phase fixinging on existing structure including connection with aluminium bus bar & testing complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement Moving/fixied contacts suitable for 630 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement vaccum interrupter suitable for 630 amps to 1250 Amps VMX type VCB trolly,11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement drive insulator assembly with M 10 nylon nut & spl washer of VCB compartment suitable for 630/1250 Amps VMX/UNIVAC type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge. .

Supply & fixing in replacement of insulator bush of VCB compartment suitable for 630/1250 Amps VMX/UNIVAC type VCB trolly,11 KV. complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement socket contact of VCB compartment suitable for 630/1250 Amps VMX/UNIVAC type type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement bus bar spouts of VCB compartment suitable for 630/1250 Amps VMX/UNIVAC type type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement contact arm upper suitable for 1250 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement contact arm lower suitable for 630/800 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement jaw contact made out of copper for bushing rod suitable for 1250/630 Amps VMX type VCB trolly,11 KV, complete all as specified and as directed by Engineer In Charge.

Material and Labour for servicing and checking of Incoming/Outgoing VCB trollys of any make, any size, any type, 11 KV, for smooth and proper functioning including checking of all fixinged and moving parts, cleaning with thinner and air blower painting the internal parts after grinding/buffing to make rust free and checking of all wiring including new wiring where ever required and replacment of minor items like nut bolt , washer, locks, springs, on-off switch,Toggle switch,Indicator lamp/Holder etc of any make/or size complete for 66KV MRS, complete all as specified and as directed by Engineer In Charge.

Material and Labour for calibration and relay setting and checking of Incoming/Outgoing VCB trollys of any make, any size, any type, 11 KV, for smooth and proper functioning including checking of all wiring including new wiring where ever required complete for 66KV MRS, Power House No-1 and 550 Acre, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement of space heater 240 Volt single phase, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement of thermostat 240 Volt single phase range settting from 0 to 90 degree centigrade, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement CT bushing suitable for 630 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement upper bushing L1 CU suitable for 1250 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement upper bushing L3 CU suitable for 1250 Amps VMX type VCB trolly 11 KV, complete all as complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement bushing lower CU suitable for 1250 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement anti pumping contactor, 2NO+2NC suitable for 630 Amps VMX type VCB trolly, 11 KV, complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement bushing rod suitable for 1250 Amps VMX type VCB trolly ,11 KV,complete all as specified and as directed by Engineer In Charge.

Supply & fixing emergency charging handle for motor machanism suitable for 1250/630 Amps VMX type VCB trolly,11 KV complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement auxiliary Relay 220 Volts suitable for control panel of 66 KV power transformer No-1 complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement auxiliary Relay 3 Flags 220 Volts suitable for control panel of 66 KV power transformer No-3 complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement triping coil assy 220-250 Volt DC suitable for 66 KV main MRS SF-6 breakar, complete all as specified and as directed by Engineer In Charge

Supply & fixing in replacement auxiliary switch 220-250 Volt, 66 KV existing type suitable for 66 KV SF- 6 breakar main incommer complete all as specified and as directed by Engineer In Charge.

Supply & fixing in replacement of PVC insulated Armoured copper cable 24 Core 2.5 Sqmm,complete all as specified and as directed by Engineer In Charge

Supply and fixing in replacement of PVC insulated FRLS weather proof cpper cable 4 Core 2.5 Sqmm,complete all as specified and as directed by Engineer In Charge.

Supply and fixing in replacement of CT terminals complete all as specified and as directed by Engineer- in- Charge

Supply & fixing in replacement Current transformer (Apoxy) suitable for HT 11 KV Incoming feeder 900-450/.577-1-1 Amps for protection with STR (short time rating ) of 18.4 KA for 1 sec, complete all as specified and as directed by Engineer In Charge.

Supply and fixing DC volt meter 0-600 Volt DC Complete all as specified and as directed by Engineer-in-Charge.

Supply and fixinging battery bank with 2 V 120 AH - 15 Nos maintnance free batteries connected in series including suitable battery stand complete all as specified and as directed by Engineer-in - Charge.

Supply, fixing, testing and commssioning of battery charger automatic FCBC type 30 volt DC, 20 Amps rating with the following descriptions, complete all as specified and as directed by Engineer-in - Charge.

(1) Type of charger - FWC

(2) Charger Rating - 30 Volt 20 amps.

(3) Rated voltage -

(i) Output - 30 Volt

(ii) input- 230 V AC

(iii) float charge voltage - 31.5- 36.0 Volt ,10 Amps.

(iv) boost charge voltage - 24 - 42 Volts/ 20 Amps

(4) Charging current -

(i) On trickle or float charge and range - 150-600mA

(ii) On quick or boost charge and range - 15 Amps

(iii) Maximunr load cttrrent capability - 10A

(5) Voltage variation at any tapping position with battery on charge - +/- 10% Input Voltage

(6) Characteristic of Rectifier - Silicon Controlled -

(i) Forward voltage drop at rated current - 1%

(ii) Reverse leakage cttrrent at rated voltage - 100mA

(iii) Silicon rectifier - SCR

(7) Temp rise on boost charger -

(i) For silicon rectfier - Ambeint-30 Deg

(ii) For transformer- Ambeint-50 Deg

(8) Whether battery can be brought from fully Discharged to fully charged condition & Boost charge. - Yes

(9) Gauge of sheet used thick- 1.5+/- 0.2 mm

(10) Dimensions of DC supply cabinet (complete) hieght, width, depth in mm - 500x300x500 mm +/-15%

(11) Weight of DC supply cabinet (complete) - 50 Kg Approx

(12) Reference of the drawing showing the scheme of charging equipment and dimensional details

Supply & fixing twin core sheathead multistrand copper cable of 4 sqmm for DC protection system to VCB, complete all as specified and as directed by Engineer In Charge.

ABHISHEK AND COMPANY