REPAIR / MAINT OF HT VCBS, RMU, IMPROVEMENT TO HT 33 KV CONTROL PANEL, SF 6 BREAKER AND ALLIED WORKS AT SRI GANGANAGAR MIL STN

Supply only Spring charge motor.( make as per existing) complete all as specified and directed by the Engineer-in-Charge.

Supply only Closing Coil 30V DC complete all as specified and directed by the Engineer-in-Charge.

Supply only Tripping Coil 30V DC complete all as specified and directed by the Engineer-in-Charge.

Supply only Top spout with Busbar 11 KV complete all as specified and directed by the Engineer-in-Charge.

Supply only Bottom spout with Busbar 11KV complete all as specified and directed by the Engineer-in-Charge.

Supply only Power pack of voltage 24 volt DC capacity 7AH complete all as specified and directed by the Engineer-in-Charge.

Supply only TNC switch for open and Close complete all as specified and directed by the Engineer-in-Charge.

Supply only Indication lamps complete all as specified and directed by the Engineer-in-Charge.

Supply only Bus support insulator complete all as specified and directed by the Engineer-in-Charge.

Supply, installation, testing and calibration of relay 110/24V of Microprocessor based three phase relay system to overcurrent, one earth fault protection type for 11 KV breaker, setting range suitable for over current and earth fault with necessary wiring/fitting including dismantling of old IDMT or unserviceable relays.The setting of the relay should be in accordance with the incomer and setting should be maintained such that fault does not carry beyond the affected feeder in case of Overload,3 phase fault, earth fault etc complete all as specified and directed by the Engineer-in-Charge. Note :- The calibration of relay of Microprocessor based three phase relay system required to carried out at CPH. Make C&S model no. CSENex-I 150 or equivalent in Schenider/ Siemens. (ii) The calibration of relay of Microprocessor based three phase relay system to be carried out by OEM representative.

M&L for primary and secondry injection testing of existing CT's set of three any type any capacity installed in VCB's located at different sites and providing authentic test results for further necessary action complete all as specified and directed by the Engineer-in-Charge.

S&F in repairs Current Transformer dual ratio of rating 100/50/5A, 11 KV pressure epoxy cast resin complete duly intalled, commissioned, connected and tested at site complete all as specified and directed by the Engineer-in-Charge.

Supply and fix in repair multifunction meter with digital display suitable for measuring 11 KV electrical parameters( Voltage, Amp, power factor, frequcncy. Kwh, harmonics upto 31 level) MFM 4410 LCD meter Accuracy level 0.5S with RS485 complete all as specified and directed by the Engineer-in-Charge.

Supply and fix in replacement of Current transformer (CT) ratio 200/100/5-5A, 50 Hz, 15 VA, accuracy class-I & 5P-10 , short ckt time 18.4 KA for 1 sec, as per IS-2705 epoxy type suitable for 11 KV, VCB breaker including all necessary fixing arrangements and proper control wiring and connections complete all as specified and directed by Engineer-in-Charge

Material & labour for Repair,Maintenance of 11KV HT Potential Transformer complete including the following (a) Checking the serviceability of each PT unit of any capacity.(b) Replacement of defective parts i.e fuse of any capacity,connection wire etc and blowing out dust and applying the proper lubrication/ greasing with AP-3 grease including connection to HT panel and make the PT functional to the entire satisfaction of Engineer-in-charge.

Supply, Installation, testing , Commissioning in replacement of battery bank 24 Volts DC-12 Nos tubular maintenance free batteries 2 Volts 100AH with necessary items required for connection of batteries including battery Stand complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing battery charger suitable for normal and boost charge suitable for 24 volts DC complete all as specified and directed by Engr-in-charge.

Supply Only 11KV Vaccum interrupter bottle 800/630 Amps rating suitable for ABB/Siemens/CG complete all as specified and directed by the Engineer-in-Charge.

M&L for preparation of the old painted surfaces of HT VCB panel of any size, any description and in any position including complete removal of old paint either by hand scrubbing or by blow lamps, applying necessary filler coat and scraping as required and applying two coats of grey colour synthetic enamel paint over a coat of zinc chrome primer using spray machine complete all as specified and directed by the Engineer-in-Charge.

Supply and laying synthetic rubber insulated mats 3mm thick for voltage upto 33KV for electrical purpose as per IS 15652-2006 suitable foe electrical shock safty of size 2m x1m complete all as specified and directed by Engineer-in-Charge.

Supply and laying synthetic rubber insulated mats 2.5mm thick for voltage upto 11KV for electrical purpose as per IS 15652-2006 suitable foe electrical shock safty of size 2m x1m complete all as specified and directed by Engineer-in-Charge.

Dismantling & taking down old, deteriorated, lightening, arrestor and supply and fixing testing litghtening arrestor (Station type ) out door type discharge current 10 KA assembly suitable for 12 KV including all clamps ,nuts, bolts, washers, GI pipe required for protection upto 3 mtr and connection to earth with 32 x 6 mm GI strip and including expulsion type complete with all fittings transmission class discharge capacity 65 Kilo Amp suitable for 11000 Voltrs complete all as specified and directed by the Engineer-in-Charge.

M &L for replacement of 11KV jumpers by Weasel conductor at pole by new one, with PG clamp including nuts and bolts / connector for fixing / tightening two conductor of equal or unequal size as directed by Engr-in charge.

S & F in replacement of Brown Porcelain 11 KV Disc Insulator Material Porcelain,Color Brown Surface Treatment Polished Make:ISI approved ,size as per site requirement complete all as specified and directed by Engineer in charge

S & F in replacement of Brown Pin Insulator Color Brown Frequency 50 Hz Surface Finish Polished of size 150mm height, 150mm dia for 11000 volts gradeWorking Voltage 11 kV Creepage Distance Minimum 230 mm Make:ISI approved ,size as per site requirement complete all as specified and directed by Engineer in charge

Supply and fix in repair cable joint kit for 11 KV grade cable for indoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 95 sqmm complete all as specified and directed by the Engineer - in - Charge.

All as per Srl item No 29 above here-in-before but size of cable of size120 sqmm complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repair cable joint kit for 11 KV grade cable for outdoor termination Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 95 sqmm complete including digging if required all as specified and directed by the Engineer - in - Charge.

All as per Srl item No 31 here-in-before but size of cable of size120 sqmm complete all as specified and directed by Engineer-in-Charge.

All as per Srl item No 33 here-in-before but size of cable of size 120 sqmm complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches in any type of soil not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for taking out of unserviceble /laying under ground cable complete all as specified and directed by the Engineer-in-Charge.

Returning filling in, approved soft/loosesoil, including spreading , levelling, watering and well ramming in layers each not exceeding 25cm in soft/loose soil complete all as specified and directed by Engineer-in-Charge.

Removal of surplus excavated soil to a distance not exceeding 50metre and depositing where directed at level not exceeding 1.5metre above the starting point complete all as specified and directed by Engineer-in-Charge.

Taking out old HT U/S cable of any size and any type complete all as specified and directed by the Engineer-in-Charge.

Supply,laying, jointing and testing in replacement of XLPE HT Cable of size 95 Sqmm, 3 core, 11 KV 'Earthed System' heavy duty with XLPE insulated stranded aluminium conductor served with an inner sheathening of PVC tape armoured with Galvanized steel strip or wire and over all PVC sheathed conforming to IS-7098 (Part-II) with latest amendments laid in trenches/fixed to wall/pole/laid in floor including necessary connections and suitable size of thimbling complete all as specified and directed by Engineer-in-Charge.

All as per Srl item No 39 here-in-before but size of cable 120 Sqmm 3 core complete all as specified and directed by Engineer-in-Charge.

Supply and laying DWC pipe of size 110 mm outer dia for the protection of cable including all fittings complete all as specified and directed by Engr-in-charge.

Material & labour for making the hole under road and hard standing suitable for laying and inserting pipe upto 100 mm dia any length by mechanical drill system or Auger system and making the surface good as existing surface complete all as specified and directed by Engineer-in-Charge.

Supply and fixing cable route indicator (HT) made out of jodhpur stone with finished surface all around of size 900x200x150mm with round top , duly marked with 'HT" by engraving on stone and printed with red synthetic colour including pcc 1:2:4 type B-1 using 20mm grade stone aggregate ofsize 30cm x 30cm x 30cm for embedding stone in ground with iron ring of 20mm dia through it and necessary earth work complete all as specified and directed by Engineer-in-Charge

S & F in replacement GI tubing, light grade, 100mm bore complete with all fittings for cable and earth continuity strip protection laid in trenches/fixed to poles/along wall/under road/across the drain complete all as specified and directed by Engineer-in-Charge.

Cleaning and preparation of old painted surface of steel tubular/PCC pole 11 mtr long (2/4 pole structure) excluding planting depth complete and painting with one coat of aluminium paint including brackets, clamps, channel etc. and including making alternative black and white strips on pole with synthetic enamel paint and writing pole Nos and including applying one coat of cement base paint on exposed surface of PCC coping and foundation block complete all as specified and directed by Engineer-in-Charge.

Checking ,testing and locating HT 11KV cable fault locating by using high POT fault finding Machine vehicle mounting on rent complete with route finder mobile equipment as finding out one fault on one cable route including cutting of road/ plinth/hard standing all as specified & directed by Engr-in-Charge . Note; (1) Cutting of road/ plinth/ hard standing shall be included rates qouted by contractor NO extra will paid. (2) Excavation and cable joints shall be mesured and paid separately. (3) Required T&P shall be arranged by the contractor, The rates deemed included in qouote rates.

Surface cleaning/site clearance n exc 15 cm in depth in Sub stations area, trenches,sub station rooms, two pole/ four pole structure surroundings to make a over all presentable condition complete all as specified and directed by the Engineer-in-Charge.

Supply and lay graded stone aggregate of size 40mm grade layed on ground of yard/ two/four pole structure complete all as specified and directed by the Engineer-in-Charge.

Supply and lay graded stone aggregate of size 20mm grade layed on ground of yard/ two/four pole structure complete all as specified and directed by the Engineer-in-Charge.

Material and Labour in replacement Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed Note : The rate of one primer coat, one under coat and one finishing coat of paint is included in this item..

Supply and fixing 11 kv 120 sqmm 3 core cable of lenth 25 mtr along with end joints at both the side complete all as specified and directed by Engr-in-charge.

M&L for Painting of Electric Supply 33KV yard installation according to MES colour coding such as pole, structures,angle, GO DO etc at Swicthyard complete all as specified and directed by Engineer -in- Charge. Note : Contractor may visit the installation before qoute this item.

M&L in replacement danger notice plate of 1.6 mm thick mild steel sheet vitreous enamelled white, with letters figures and conventional skull and bones in signal red colour and fixed with MS clamps bolts and nuts of approved size for HT 11 KV of size 25 x 20 cm complete all as specified and directed by the Engineer-in-Charge.

M&L in replacement of existing U/S earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth not less than 1.5 metre below ground level, earth plate surrounded by 15cm thick packed layer of charcoal dust and common salt, connected to galvanized iron strip 32mm x 6mm thick as earth lead by means of bolts, nuts and washers of galvanised iron or steel and thimbles and other end of the earth strip connected to earthing test point/equipment and protected by galvanised iron pipe light grade 40mm dia upto earthing test point/equipment fixed with 2 Nos of mild steel clamp made out 25mm x 3mm flat iron and perforated water pipe 20mm dia GI medium grade and top with socket & plug and bottom connected to earth plate by slit and two bolts/nuts/washers, PCC chamber in cement concrete (1:2:4) type B-1 and CI cover with frame 40 x 40 x 6mm on top and excavation/ earth work complete all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009. Note:- (i) Outer edge of earth pit shall be 1 metre away from the outer edge of PCC chamber. (ii) GI strip upto earth test point/equipment is included in this item. (iii) Water pipe upto earth pit shall be provided in slantling position as included in this item.

S&F in repairs heat shrink right angled boots for XLPE 11 KV 95 Sqmm cable including dismantling of HT cable from HT side of Transformer / HT Breakers complete all as specified and directed by the Engineer-in-Charge.

S&F in replacment single line/Schematic Layout diagram Board of Transformer ,HT cable , VCB,RMU etc at eletric substation technical area complete all as specified and directed by the Engineer-in-Charge.

Repair/replacement and connection of U/S control cable with copper conductor PVC insulated multi strandred sheathed armoured of size 2.5 SQmm 12 core as directed by Engineer-in Charge.

Repair/replacement and connection of U/S control cable with copper conductor PVC insulated multi strandred sheathed armoured of size 4.00 SQmm 12 core as directed by Engineer-in Charge.

Supply and fixing PG Clamp of any size suitable for HT connection complete all as specified and directed by Engr-in-charge.

M&L for servicing, calibration, testing and setting of fault tripping relays including SF6 gas as mentioned in maintance and operation manual of 11 KV HT RMU SF6 breaker as per OEM instructions complete as specified and directed by Engr-in-Charge.

M &L for replacement of 11KV jumpers cable of size 95 sqmm single core unarmoured on pole or bushes by new one, with PG clamp including thimble, nuts and bolts / connector for fixing / tightening two conductor of equal or unequal size as directed by Engr-in charge.

S & F metal Powder Coated Cable Trays, Size: 600 mm, Material- Metal,Tray Type Ladder Type Cable Tray, Coating Galvanized Powder Coating,Corrosion Resistance with and including all necessary crosses, bends, nut bols, mounting and fixing material and T&P used during installation Make:ISI approved ,length required are in portions as per site requirement complete all as specified and directed by the Engineer-in-Charge.

S & F in replacement of copper bus bar for HT 11 KV VCB as per required thickness, width and length , size and mould dimension will be as per site requirement complete all as specified and directed by Engineer in charge

S & F in replacement of switch air break gang operated, triple pole, mechanically operated, mounted on insulator and steel frame with operating machanism worked from ground level using heavy duty GI pipe, for current rating 200 Amps, outdoor type (conforming to IS specifications) HT 11 KV, triple pole with fixed contacts of phosphorous and bronze and a set of drop out HT fuse assembly, fuse carrier fitting, 12 insulator type mounted on MS channel operating rod with 7 lever pad lock arrangement complete along with D/O Fuse assembely with insulator and base frame. including disimantling old unserviceable switch air break gang operated device complete all as specified and directed by the Engineer-in-Charge.

Maintenance & complete overhauling of 33 KV SF6 Breaker & Remote Control Panel including dismantling of operating mechanism parts, well cleaning with petrol and replacing minor parts, reassembling of parts including well cleaning and complete panel board and making breaker perfect operation in manual and electric mode including all routine and preventive maintenance complete all as specified and directed ( Spare parts will be measured and paid separately) INCLUDING Complete Calibration of 33 KV Transformer control and relay panel complete such as ANN-annunciator, Master trip relay, Aux external trip relay, Trip CKT supervision relay, overcurrent & earth fault relay, auxillary relays etc and settings as per site conditions and manufacturer's instructions by applying AC/DC to voltage coil unit and measuring the time taken by relay to have trip command etc including replacement of old /burnt wiring complete all as specified and directed. Note : (a) In case of major repairs/replacement in Breaker which can not be undertaken at site the Breaker shall be shifted at civil workshop and the cost shall be paid separately under relevant items. (b) Cost of other necessary repairs shall be measured and paid separately under relevant item. Contractor shall bring the mechanic at site for first inspection of the Breaker after that shall be shifted at workshop complete all as directed by Engr-In-Charge. .

S & F in repairs incl testing, and commissioning of gang operated type air break switch horizontal/vertical type type mounting complete, double break and operation rod of suitable length 400 A capacity and suitable for 33 KV HT supply, complete all as specified and directed by the Engineer-in-Charge.

S & F Closing coil 24 V DC for outdoor VCB 33 KV of existing make or as approved by GE and all as directed including dismantling old unserviceable one complete all as specified and directed by the Engineer-in-Charge.

S & F Tripping coil 30V DC suitable for 33 KV control panel complete all as specified and directed by the Engineer-in-Charge.

S & F in repairs strip type heater 40/60 watt approx 4"/6" in length complete all as specified and directed by the Engineer-in-Charge.

Supply and fix charging motor 110V |AC/DC, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix OTI/WTI relay for alarming purpose in 33 KV control panel complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old burnt damaged control wiring from yard to 33kV CR Panel and replacement with 4 core 2.5 sq mm copper cable in duct complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old burnt damaged control wiring from yard to 33kV CR Panel and replacement with 4 core 1.5 sq mm copper cable in duct complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old burnt damaged control wiring from yard to 33kV CR Panel and replacement with 2 core 2.5 sq mm copper cable in duct complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old damaged u/s lights & replacement with new S/I/T/C of Degree of protection IP65 LED Integral LEDs 12 V, 24 V, 30 V, 48 V, 60...63.5 V, 110 V, 220...230 V AC/DC Colour White, Green, Red, Amber, Blue, Yellow of Ø 22/0.866 in. plastic control and signalling units complete all as specified and directed by the Engineer-in-Charge.

Dismantling of 33 kV existing protection IDMT O/C & E/F relays, burnt contactores replacement with new IDMT O/C & E/F relays complete all as specified and directed by the Engineer-in-Charge.

Dismantling of existing unsv 33 KV Voltmeter and replacement with new Voltmeter 0-33 KV complete all as specified and directed by the Engineer-in-Charge.

Dismantling of existing unsv 33 KV Ammeter and replacement with new Ammeter 0-200 Amp complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old u/s 33 kV Current transformer & replacement with 33 kV oil cooled current transformer suitable for 33 kV supply Highest system voltage 36KV Applicable Standard IS:2705-1992 (Part -I-IV)/IEC- 185,IEC-60044 System neutral earthing Non-effectively earthed System freq. 50HZ Extended current rating 120% maximum Installation Outdoor Class of Insulation A Type Single phase Outdoor Dead Tank Type Basic Insulation Level HV: 36 KV / 70 KV / 170 KV(P) LV:3 KV (rms.). Instrument Security Factor for Metering Core < 5 at lower ratio. Minimum Creepage Distance 900 mm.. Primary Terminal Connector Rigid type, CT stud to ACSR ‘PANTHER’ Rated Short Circuit thermal current 20 KA for 3 Sec 15. Rated Dynamic current 50 KA (Peak) Ratio : 300-150 / 5–5 A Core-1: metering core Burden- 15VA, Accuracy class- 0.5 Core-2: protection core Burden- 30VA, Accuracy class- 5P20 complete all as specified and directed by the Engineer-in-Charge.

Dismantling of old unservicable 33 kV existing protection IDMT O/C & E/F relays, burnt contactores replacement with new microprocessor type solid state electronic ON LOAD protection system with 1A & 5A rated CT input (programmable) Draw out with self CT shorting, DI/DO programmable, Three phase time over-current protect, Three phase instantaneous protection, Earth time over-current and earth instantaneous over current, Circuit breaker failure detection, Trip circuit supervision, Harmonic Blocking, Fault recorder, Event recorder, Communication (Local & Remote) equipped with True RMS Measurement, Stores last 15 faults, Detection of fault with display of parameter value, USB configuration with PRKAB, CBCT open detection circuit Earth Leakage Re to Detect and protect instruments from leakage current, Dual Color LED for fault indication, : MAKE C&S / ABB/ CG / MIN ISO 9001:2015 CERTFIED APPROVED BY GE ONLY Original OEM is entitled for work. Necessary test certificates & Latest Purchase Vouchers to be scrutnised / approved by Engg-in-Charge & GE before execution at site . Any Defect occuring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost. The contractor shall furnish written gaurantee on letter head for above mentioned to the GE immediately after completion of work.

Dismantling of Old unserviceable power back up system & Supply, testing, commissioning Float cum Boost SCR Controlled 48 Volt.40Amp Single Phase 3 Feeder BATTERYCHARGER and D.C.Distribution Board in a Common Cubicle.The Charger is suitablefor 230V+/-10%,AC Input and the Output is suitable to Charge of 24 V DC 200 AH Batteries and also supply Load.The Output Voltage remains constant within+/-2% forAC Input Voltage variation 230V+/-10% and Load variation 0-100% CURRENT RATING : 40.0A including Sealed Maintenance Free VRLA Battery Bank 24 Volt 200AH consiting of 12 Nos Cell of 02 Volt each complete with Inter-cell cooper connector,SS Nut Bolt,MS Powder coated stand infactorycharged condition complete all as specified and as directed by Engr-in-Charge.

Supply, laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 33000 volts grade, of size 3 core 240 sq mm complete all as specified and as directed by Engr-in-Charge.

Supply and fix cable jointing kit for 33 KV grade cable for in door termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured ,Al conductor cable of size 240 sqmm complete all as specified,

Supply and fix cable jointing kit for 33 KV grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 240 Sqmm complete all as specified.

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