REPAIR/MAINT OF HT VCB/OCB AND ALLIED WORKS AT MRS AND SUB STATIONS UNDER AGE E/M ELECTRIC SUPPLY AT GE (U) E/M MEERUT CANTT

Amount

Testing and calibration of HT VCB 11 KV & SF- 06/VCB 33 KV complete with primary and secondary test as required including checking of wiring of all electrical measuring instrument and resetting of relay and proper alignment mechanical system for smooth functioning and tripping at any type of fault developed in feeders complete all as specified and directed by Engr-in-Charge. Note:- Contractor will submit primary and secondary test record at the time of calibration of VCB, SF- 6 breaker, TR control panel duly signed by the technical rep of manufacturer/authorised dealer to Engineer- In-Charge. The rate quoted by tender shall deemed to include the cost of this provision incl T&P required for injecting regulated high current.

Disconnecting of HT supply from 11 KV VCB of any make/type/capacity for repair works, servicing and taking out trolley with complete decarbonizing the contact points, cleaning with CRC solution and inner body clean with vaccum cleaner etc and repair/replacement of defective parts found during servicing. Reassembling and testing of relays for tripping time setting over current setting, earth fault setting etc including checking of vaccume intrupter, tripping mechanism etc after servicing complete all as directed by Engineer-in-Charge.

Disconnecting of HT supply from 33 KV VCB/SF-6 breaker of any make/type/capacity for repair works, servicing and taking out trolley with complete decarbonizing the contact points, cleaning with CRC solution inner body clean with vaccum cleaner etc and repair/replacement of defective parts found during servicing. Reassembling and testing of relays for tripping time setting over current setting, earth fault setting etc including checking of its control panel and power TR protection system such as defferential realy, master trip relay, power TR oil/windinding temp, bucolz relay and mechanical system etc after servicing testing complete all as directed by Engineer-in-Charge. Note for srl item 2 to 4 :- (i) Spare parts will be measured and paid for separatly under respective item and if copper wire and ferrule required for wiring include in this items. (ii) For testing and calibration of relays will be measured and paid separately under respective items. (iii) The calibration and servicing shall be carried out by only qualified and experienced person and prior approval shall be obtained from GE.

S&F VCB spring charging motor 24/220 Volt DC/AC for 11KV VCB, Bus Coupler of existing make, type, size, capacity with driving gear, fixed in repairs complete all as specified and directed.

S&F VCB spring charging motor 110/220 Volt DC/AC for 11KV VCB, 33KV SF-6 breaker Bus Coupler of existing make, type, size, capacity complete, fixed in repairs complete all as specified and directed.

S&F open/closed auxiliary contacts suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F Plug-Socket connectors of electrical accessories suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F door locking handle suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F trolley alignment lever suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F under voltage release suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F over voltage release suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F under/over frequency release suitable for upto 800 Amps HT VCB fixed in repairs. As per existing sample.

S&F Shunt trip closing coil assembly 110/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make all as specified and directed by Engr-in-Charge.

S&F Shunt trip tripping coil assembly 110/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make all as specified and directed by Engr-in-Charge.

S&F Shunt trip closing coil assembly 24/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make all as specified and directed by Engr-in-Charge.

S&F Shunt trip tripping coil assembly 24/220 volts, DC/AC suitable for upto 800 Amps, HT VCB complete incl taking out old assembly of any type and make all as specified and directed by Engr-in-Charge.

Supply & Fix spring charging motor cut off switch as per existing sample suitable for 11 KV VCB.

Supply & Fix Ratchet wheel Assembly (small, large & middle gear assy) as per existing sample suitable for 11 KV VCB.

Supply & Fix manual spring charging gear assembly complete as per existing sample suitable for 11 KV VCB.

S&F HRC fuse (link type) having capacity 2 to 6 amp, 415 V, 80 KA.

S&F HRC fuse (link type) having capacity 10 to 32 amp, 415 V, 80 KA.

S&F 11 KV, VCB, PT fuse 3.15 Amp complete as per sample.

S&F stud type terminals of 24V/110V DC suitable for 11KV VCB.

S&F Antipumping Contactor 4NO+4NC, 24V/110V DC, 6 Amp.

S&F Auxilary contactor for contact multiplication 4NO+4NC, 24V/110V, DC, 6 Amp.

S&F Master relay operating voltage 24V/110V DC or as per sample complete all as directed.

Vaccume interrupter bottle for vaccum circuit breaker of 800 Amps in HT panel 11000 volts grade incl taking out old interrupter, As per existing sample complete all as directed.

All as per Srl item No 27 but 400 Amps capacity.

S&F Fixed contact for VCB, 11KV, suitable for 800 Amp capacity fixed in repairs, As per existing sample complete all as directed.

S&F moving contact for VCB, 11KV, suitable for 800 Amp capacity fixed in repairs,As per existing sample complete all as directed.

S&F Fixed contact for VCB, 11KV, suitable for 400 Amp capacity fixed in repairs, As per existing sample complete all as directed.

S&F moving contact for VCB, 11KV, suitable for 400Amp capacity fixed in repairs, As per existing sample complete all as directed.

S&F Spring for trip lever fixed in repair, As per existing sample complete all as directed.

S&F spout insulator incl hardware suitable for 11KV VCB, 400 Amp capacity fixed in repairs.

All as per item No 34 but 800 Amps capacity.

S&F Spur gear off sizes as per sample suitable for upward or downward trolly movement mechanism with lock and bushing as required for 11KV VCB/bus coupler fixed in repairs all as specified and directed by Engr-in-Charge.

S&F trip shakle lever suitable for GEC/Crompton/System control complete all as specified and directed.

Supply & Fix Ratchet Pin suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix insulated dust proof cover frame suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix Push Rod suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix Electronic time delay device suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix under voltage release mechanical override suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix opening solenoid (MO3) device suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix Rack in out mechanical rod with handle suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix Trip Prop block Assy suitable for HT VCB (As per sample) complete all as directed.

Supply & Fix Drive Link Assy suitable for HT VCB (As per sample) complete all as directed.

S&F resin cast post type insulator suitable for 11KV VCB busbar panel (As per sample) complete with stud bolt, nut bolt, washer etc all as specified and directed by Engr-in-Charge.

Current Transformer 11KV, single phase indoor resin cast, ratio 800/400/5,-5A class 1.0-5P 10 burden 15VA insulation level 28KV/75KV as per IS-2705 to suit VCB make complete incl taking out old CT all as specified directed Engr-in-Charge.

All as per Srl item No 48 but 400/200/5 Amps capacity.

All as per Srl item No 48 but 200/100/5 Amps capacity.

All as per Srl item No 48 but 100/50/5 Amps capacity.

S&F Indicator lamp of different colour (110 volt) LED type complete with holder to read RYB with necessary wiring complete incl taking out old indicator lamp all as specified and directed by Engr-in-Charge.

S&F Indicator lamp of different colour (24 volt) LED type complete with holder to read RYB with necessary wiring complete incl taking out old indicator lamp all as specified and directed by Engr-in-Charge.

Supply and fix Power Pack for 11 KV VCB suitable for incoming supply 220/110 volts AC/DC supply and output 110 volts DC supply all as per existing with wiring all connected VCB, having Battery backup of Power Pack shall be not less than 45 minute complete all as directed by Engr-in-Charge.

M&L for wiring of battery charger to all connected 11KV VCB with 2.5 sqmm multi strand single core fluxible copper conducters and shall be properly bunched, tied, ferruled for proper indication and crimped with adequate size/types of lugs after wiring testing complete all as specified and directed.

Disconnecting of HT supply of HT capacitor bank switching unit. Opening it and taking out electronic PCB circuit for repairing. M&L for repair/replacement of all defective parts found during servicing. After servicing reassembling and testing PCB circuit complete all as directed by Engr-in-Charge. NOTE :- All parts include in this item rate required for PCB circuit in service condition.

S&F PVC insulated and PVC sheathed cable galvanised steel strip or wire armoured electric control cables (Heavy duty) with stranded copper conductor of size 1.5 Sqmm 12 core 1100 volt grade incl taking out old cable of any size and type complete all as directed.

All as per item No 57 here in before but 1.5 Sqmm 8 core 1100 volts grade.

All as per item No 57 here in before but 2.5 Sqmm 4 core 1100 volts grade.

S&F multi functional meter, digital type for HT panel 11KV complete with necessary copper wiring with proper thimbles to read amp, volt, power factor and frequency complete incl taking out old multifunctional meter of any type and make all as specified directed by Engr-in-Charge. Note:- Rate quoted by tenderer shall be deemed to include the cost of modification if required for installation of multi functional meter in the equipment.

Disconnecting of HT supply from 11 KV capacitor bank of capacity upto 2500 KVAR for repair/re-wiring works, servicing and taking out mechanical & electrical operating system with complete decarbonizing the contact points, cleaning with CRC solution etc including cleaning and setting of switching unit, control relay, calibration of relays for automatic adjust capacitor according load etc and other defect found during opening. Reassembling after carry out the repairs and testing complete and all as specified and directed.

S&F strip heater complete all as specified and directed. Make - As per sample.

S&F thermostate complete all as specified and directed. Make - As per sample.

Supply & Fix VCB moveable service trolley to load and unload of VCB trolley during servicing/general maintenance time period. The trolley suitable for 800/630 amp capacity for smooth and safe operation maintaning with the help above capacity VCB trolley, As per sample complete all as specified and directed by Engr-in-Charge.

M&L for filling of SF-6 gas in existing 33KV SF6 braker including cheking/testing electronics circuit and control panel remote system. The breaker should be operate with control panel complete all as specified and directed.

S&F bus bar make at Copper strip (50mmX6mm) is required size and shape, making holes in bus bar as required for fixing bus bar in VCB fixed in repairs complete all as directed.

Supply and fix over current and earth fault relay (As per sample) suitable for 24 volt DC complete all as specified and directed by Engr-in-Charge.

Supply and fix over current and earth fault relay (As per sample) suitable for 110 volt DC complete all as specified and directed by Engr-in-Charge.

Supply and fix automatic voltage regulating relay (As per sample) in repair suitable for 110 volt DC complete all as specified and directed by Engr-in-Charge.

Supply and fix APFC relay (As per sample) in repair suitable for 110 volt DC complete all as specified and directed by Engr-in-Charge.

Supply and fix capacitor switch unit controlling relay (As per sample) in repair suitable for 110 volt DC complete all as specified and directed by Engr-in-Charge.

Supply and fix relay for boost cum float battery charger (As per sample) in repair suitable for 110 volt DC complete all as specified and directed by Engr-in-Charge.

Supply and fix remot tap position indicator (As per sample) in repair suitable for 110 volt DC complete all as specified and directed by Engr-in-Charge.

M&L for rewiring of 11 KV VCB control panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

M&L for rewiring of 33 KV SF-6 control panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

M&L for rewiring of Transformer RTCC panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

M&L for rewiring of differential relay control panel including replacing of wires, fuses, ferrule as per existing, making connections and testing complete all as specified and directed.

Supply, installing, testing and commissioning constant current, constant voltage (CCCV) battery charging (Float cum boost) unit to charge 24 volts DC battery bank having 02 Nos 12 volts 150 AH dry type batteries with connecting lead, SRC controlled and consisting of double wound transformer (provided with best quality CRGO laminations for high efficiency), an SRC/diode bridge, smoothing chock, capacitors and electronic circuits for controlling the voltage and current housed in a power coated sheathed steel cabinet not less than 2.0mm thick suitable for 50x50x5mm thick angle iron frame and 45cm height standing legs for fixing and fitted with a digital voltmeter & ammeter. The charge should has indications for mains supply, mode of charging (float or boost), polarity batter reverse & over load conditions. It shall has protection for over load, short circuit, reverse polarity & surge/transient. The charger have to alarm on fuse blowing & short circuit. All protections to charger & its meters shall be provided with suitable rating MCB only including 07 line DC distribution board, copper busbar with threating ends, MCB & fuse for protection and protection back plate should be made of isolated material (MCB incoming 01 No & outgoing - 010). The output voltage regulation have to be better than 1% and load regulation better than 2%. The other technical specifications shall be as under :- (a) Input working voltage - 180 - 270 volts. (b) Nominal input voltage - 240 volts AC, 50 Hz, single phase. (c) On load input power - > 80 (d) On load unit watt efficiencies - > 80% (e) No load losses of complete charger - < 10% (f) Ripple contents on load (rms) - 1% to 5%

(g) Over load - 110% for 30 minutes and should give visual indication for over load condition. (h) Boost charging - 2.4 volts/cell (j) Float charging - 2.5 volts/cell (k) Float cum boost charging - Automatically changes from one state to another state as per battery condition and should give visual indication for either float or boost based on charging mode. (l) Reverse polarity - No damage should be caused. A visual indication should appear with an audio alarm. Make : Amco, Exide, Amaron, Luminovs, Panasonic.

Supply and fix maintenance free battery, having capacity of 12 volts, 150 AH complete all as specified and directed.

M/S JPS Electrical Engineer & Contractor

Microsys Controls India