REPAIR MAINTENANCE OF HT OVERHEAD AND UG NETWORK SYSTEM AND REPAIR OF TRANSFORMERS ALONGWITH CONNECTED ITEMS AT DAPPAR UNDER AGE I DAPPAR

Amount

Material and labour for dehydration/filtration of transformer oil with mobile transformer filtration plant at site with all required accessories connected to transformer and carrying out filtration of old transformer oil for the desired dielectric strength of 60 KV at 2.5mm gap complete all as specified and as directed.

Supply only transformer oil low viscosity EHV grade having 60 KV di-electric strength conforming to IS-335 in original company sealed drum for replacement or topping up to oil level mark at the conservator complete all as specified and as directed.

Disconnecting HT/LT and earth termination connections from transformer, taking down the transformers from plinth/platform and loading into the vehicle; transporting the same to workshop for carrying out necessary repairs and back reconnecting HT/LT connections at site and charging the transformer on load, commissioning and testing including meggar test at site complete all as specified and as directed.

Draining out transformer oil, dismantling top cover alongwith conservator tank, taking out core and coil assemblies after disconnecting connections, rewinding of burnt out HV/LV coil with same size and type of super enamelled copper conductor and number of turns to get the same rating and insulating material such as paper insulator sleeves, heating etc. Putting back the core and coil assemblies into the tank after removing sludge and replacement of HT & LT bushing complete with brass terminal, refixing top cover and conservator including replacement of gasket, nut, bolts & washers (filling new transformer oil having 60 KV dielectric strength and carring out tests as per IS 2026 in presence of Engineer - in - charge for transformer 50 to 100KVA. NOTE : (I) New transformer oil and its filling shall be measured and paid separately under relevant items of schedule.(ii) Cost of rewinding material, insulation material and spares of transformer shall be measured and paid separately under relevant item of Sch .(iii)Replacement of spares will be on required basis complete all as specified and as directed..

All as per item No. 4.00 here-in before but for 100 to 300 KVA

All as per item No. 4.00 here-in before but for 2000 KVA

Material and labour for rewinding of HT coils with super enamelled copper winding wire of appropriate gauge and proper number of turns to get the same capacity along with insulating materials e.g. leathered paper insulation, cotton tape, empire tape, wooden blocks, PVC sleeves, soldering job, varnishing and heating, drying etc. complete all as specified and as directed.

All as per item No. 5.00 here-in before but of LT coils with super enamelled Class B copper strip with Electrical Grade Insulating Kraft paper all confirming to IEC-60554-3-5 (1984).

Supply and fixing tapping switch (tap changer) 7 positions suitable to vary secondary voltage ± 2.5% to ± 7.5% suitable for transformers of capacity upto 2000 KVA complete all as specified and as directed.

Supply and fixing in replacement bushing insulator made out of good superior quality ceramic, 1.1 kV, suitable for transformers of including 50 to 2000 KVA complete all as specified and as directed.

Supply and fixing transformer HV bushing made out of good superior quality ceramic, 11 kV rating, 200 Amps complete all as specified and as directed.

Supply and fixing including with terminal rod made of brass both ends screwed with double washer and brass nut at both ends of superior quality including bushing insulator and gaskets for transformer 50 to 100 KVA complete all as specified and as directed.

All as per item No. 10.00 here-in before but for 100 to 300 KVA transformer

All as per item No. 10.00 here-in before but for 2000 KVA transformer.

Material and labour for replacement of arc horn surge arrester complete with mounting ring, nut bolt etc. of approved make suitable for transformer of rating upto 300KVA complete all as specified and as directed.

Material and labour for heat shrinkable bus bar protection tubes suitable for 25kV to be applied on rectangular bus bars copper/aluminium after proper cleaning of the bus bar for the complete all as specified and as directed.

Supply and fixing Breather assembly for transformer complete all as specified and as directed.

Supply and fixing Dial type temperature gauge 100 mm dia. with dual calibration in degree Celsius and degree Fahrenheit, range 0 to 50˚c and equivalent degree Fahrenheit complete with capillary tube and sensor complete all as specified and as directed.

Material and labour for replacement of existing unserviceable silica gel granules with new Self-indicating Orange to Green Silica Gel granules from transformer breather assembly complete all as specified and as directed.

Material and labour for painting of transformers of rating 50 to 125 KVA with two coats of first quality synthetic enamel paint by spray painting technique after cleaning the body surface of transformer by rubbing with emery paper to remove oil stains, dust, etc. incl. writing SM/ MES numbers complete all as specified and as directed.

All as per item No. 16.00 here-in before but of rating 150 to 300 KVA transformer

All as per item No. 16.00 here-in before but of rating 2000 KVA transformer

Material and labour for sheet metal work for repair to Transformer LV/HV cable termination box, mounting supports and other misc works, as directed by Engr-n-Charge, all as per existing size and shape of the boxes with 2 mm thick MS sheet duly painted with super enamelled paint - 02 coats over one coat of red oxide primer including necessary cutting, welding, fixing, nuts, bolts, washers, rubber sheets, etc. complete all as specified and as directed.

Supply and fixing inspection glass and gasket of conservator of transformers of capacity 50 KVA to 300 KVA after draining out oil and refilling the same after filtration complete all as specified and as directed.

Material and labour for replacing unserviceable drain valve 50mm size of various transformers after draining out transformer oil and refilling the oil into the transformer after filtration to get required dielectric strength 60 KV complete all as specified and as directed.

Taking down plastering on lathing (other than wire-netting),without removing lathing,in cement mortar(one side only measured in cases where both sides are plastered).complete all as specified and as directed.

Material and labour for rendering 15mm thick in cement mortar 1:4 on one side of lathing complete all as specified and as directed.

Material and labour for anti-fungus acrylic paint in two coats including one coat of 100% acrylic primer over newly plastered surface complete all as specified and as directed.

Attending day to day HT/ LT electrical repair work (in the jurisdiction of AGE(I) DAPPAR )as intimated by Engineer in Charge/ JE by deploying dedicated team of adequately qualified electricians and helpers having good knowledge and experience of HV/LV line and fault rectification for attending the complaints like replacement of HT fuse wire/ replacement of HT jumper/re-laying of cable after excavation for extension of loop for making connection with LT Panel or pole/ repair of GOD male / female contact / repair maintenance of HTOH line and fault finding/ Balancing of load on each transformer. Notes : (i)Earth work required for job shall be measured under respective item of Schedule.(ii) Contractor shall provideall T&P including item of Schedule.(ii) Contractor shall provideall T&P including safety equipment suchasBamboo ladders, screwdrivers, wire /cable cutters with blades,multimeters,cuttingpliers, torchlights etc for protectionof the tradesman including safety dress, hand gloves, rubberboots,safetybelt,helmets,complaint register,Job Card and necessary transportation required for attending complaints/ faults / brakedowns (iii)On intimationof any type of fault tripping of HT/LT switch gear incomer as well as outgoing feeder, the contractor shall be responsible to locate the fault by deploying tradesmen,helpers required as per the gravity/nature of the work involved to restore the power supply and communiate with SBA on duty and getting permitcard for working on HTlines, deposit the permit card after rectification of fault within a reasonable time as directed by the Engineer in Charge.

Material and labour for Heat shrinkable cable end termination joint including jointing Kit indoor type suitable for earthed 3 core 95/120 sqmm HT 11KV XLPE aluminium conductor cable and HV test after jointing and connecting up complete all as specified and directed.

Material and labour for Heat shrinkable cable end termination joint including jointing Kit outdoor type suitable for earthed 3 core 95/120 sqmm HT 11 KV XLPE aluminium conductor cable and HV test after jointing and connecting up complete all as specified and as directed.

Dismantling of earthing PCC chamber complete all as specified and as directed.

Material and labour for construction of PCC earthing chamber (1:2:4), type B1,using (20mm graded stone aggregate),"mild steel angle iron frame" made out of MS angle iron of size 40x40x6mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle complete all as specified and as directed.

Material and labour for repair / servicing of marshalling box including spares suitable to 2000 KVA transformer complete all as specified and as directed.

Material and labour for repair / servicing of OLTC including spares suitable to 2000 KVA transformer complete all as specified and as directed.

Material and labour for repair / servicing of OLG on load gear box including spares suitable to 2000 KVA transformer complete all as specified and as directed.

Servicing, testing, calibration and repair of OTI (Oil Temperature Indicator) and WTI (Winding Temperature Indicator) of 2000 kVA, 11/0.433 kV distribution transformer, including removal from marshalling box, thorough cleaning of dial, pointer, mechanism and capillary tube, refilling/rectification of temperature sensing liquid, checking of bourdon tube and capillary for leakage, adjustment and calibration of alarm and trip contacts using standard hot oil bath / heating arrangement, resetting alarm/trip points as per requirement, reinstallation and functional testing under live condition, including minor repairs like replacement of defective glass cover, pointer, capillary tube, sealing liquid, terminals and contact assemblies complete all as specified and directed

Supply and fixing in replacement of new Oil Temperature Indicator (OTI), Range: 0–150°C, dial type, capillary length 5 m minimum, 2 Nos electrical contacts (1 for Alarm, 1 for Trip), conforming to IS: 2147/335, with necessary wiring, connections, testing and commissioning, complete all as specified and directed

Supply and fixing in replacement of new Winding Temperature Indicator (WTI), Range: 0–150°C, dial type, capillary length 5 m minimum, 2 Nos electrical contacts (1 for Alarm, 1 for Trip), built-in heater coil arrangement for winding simulation, conforming to IS: 2147/335, with necessary wiring, connections, testing and commissioning, complete all as specified and directed.

Supply and fixing (Supply, Installation, Testing and Commissioning) of Maintenance Free Chemical Earthing comprising copper bonded steel electrode of minimum 3 m length and 50 mm dia, outer surface copper coating thickness not less than 250 microns, tested as per IEC/UL standards, surrounded with backfill compound of high conductivity, moisture absorbing and anti-corrosive nature, supplied in sealed bags, poured around electrode during installation to reduce soil resistivity and maintain stable earth resistance over long period; including excavation, earth pit chamber of precast RCC with cast iron/MS cover, watering pipe with funnel, necessary accessories and connections using GI strip 50×6 mm bolted/welded to equipment neutral/structure with GI/copper nuts, bolts and washers, earth test terminal arrangement, complete in all respects to achieve earth resistance less than 1 Ohm, conforming to IS:3043, IEEE 80 and CEA safety regulations, all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of Auxillary Switch of 2000 KVA transformer as following

Material and labour for replacement of Tripping coil of 2000 KVA transformer as following

Taking out old unserviceable HT conductor/cable any size complete all as specified and as directed.

Supply, laying in replacement of HT cable/ conductor in trenches /ducts/fixing on pole/STR with suitable size of GI clamps made out of GI strip 32 mm x 6 mm, XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) of size 3 x 120 sqmm with aluminium conductor suitable for 11 kV (E) grade as per relevent IS including latest amendment for IS testing, commissionong complete all as specified and directed including taking out of old burnt out cable alongwith cable covers. Notes:- (a) Earth work, EHV cable cover, sand coushioning & GI pipe will be measured and paid seperately. (b) High voltage test to be conducted at site with suitable voltage before and after laying of HT cable and reading shall be recorded jointly and test report to be submitted in triplicate to the Engineer-in-Charge. The cost of the same shall be deemed to be included in the unit rate quoted above.

All as per item No. 42.00 here-in before but XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) of size 3 x 185 sqmm with aluminium conductor suitable for 11 KV (E) grade.

All as per item No. 42.00 here-in before but XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) of size 3 x 150 sqmm with aluminium conductor suitable for 11 KV (E) grade.

All as per item No. 42.00 here-in before but XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) of size 3 x 95 sqmm with aluminium conductor suitable for 11 KV (E) grade.

All as per item No. 42.00 here-in before but XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) of size 3 x 240 sqmm with aluminium conductor suitable for 11 KV (E) grade.

Excavation in trenches in soft/loose soil not exceeding 1.50 metre wide and not exceeding 1.50m in depth for foundation, shafts, wells, cesspits, manholes, pier holes etc not exceeding 10 Sqm on plain and getting out, complete all as specified and as directed.

Material and labour for sand cushioning (dry sand) to underground cable for cable protection 23 cm thick in two layers (8 cm thick before laying of cables and 15 cm thick after laying the cable and punning down the sand to 18 cm thickness.). Complete all as specified and as directed. Note:- Only punned thickness 18 cm of sand shall be measured for payment purposes.

Removing surplus soil to a distance not exc. 50 M and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and as directed.

Returning, filling in including spreading leveling watering and well ramming in layers not exc. 25 cm thick complete all as specified and directed.

Supply and laying factory made unreinforced Precast concrete cable covers class HV type 1, flat, Size 300x180x40mm laid in trenches as protection to cables complete all as specified and as directed.

Supply and fixing 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 as directed.

Dismantling cross arms of Mild Steel channel or angle section etc and setting aside for reuse within 50 m complete all as specified and as directed.

Material and labour for 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 including painting two coats of aluminium paint over a coat of primer complete all as specified and as directed.

Dismantling of unserviceable insulator any type and any size.complete all as specified and as directed.

Material and labour for disc insulator porcelain vitreous brown 145 mm height & 225 mm dia ball and socket type two in series assembly with cast aluminium 4 U bolt tension hardware and tension clamps for conductors working pressure HT 11 kV complete all as specified and directed.

Material and labour pin type porcelain, vitreous, white, brown or green insulator incl one galvanised mild steel spindle, two galvanised iron washers and one galvansied iron nut, 150mm height, 150mm dia for 11000 volts grade complete all as specified and directed

Supply and fixing Male contact (gunmetal) suitable for vertical operating type GOD 11 kV grade, 200 Amps rating in position as in replacement including testing and commissioning complete all as specified and as directed.

All as per item No. 58.00 here-in before but Female gunmetal contact.

All as per item No. 58.00 here-in before but Tinned copper flexible jumper.

Material and labour for fixed type top contact for DO fuse units 11 kV in replacement complete all as specified and directed.

Supply and filling including removal of old Stone with hard broken stone aggregate of size 40 mm to 80mm, clean, free from dust, clay, organic matter or foreign particles, laid to a uniform thickness of 100 mm (minimum) in substation switchyard area, including levelling, dressing, watering and compacting to proper gradient and slope, complete all as specified and directed.

Dismantling rusted/unsv GI pipe operating handle of any size of GOD complete all as specified and as directed..

Material and labour for GI pipe 100 mm bore, medium grade laid in trenches / fixed on pole with suitable clamp complete all as specified and as directed.

Material and labour for servicing, greasing, cleaning of GOD, adjustment of its operation, cleaning and checking (for any type of damage) of insulators and lightening arresters incl. tightening of all loose nuts & bolts on the HT structure at site complete all as specified and directed NOTE :- 1. All the necessary tools, tackles and ladder shall be arranged by the contractor for the subject work. 2. Contractor has to arrange for necessary cleaning agent (petrol, diesel, CRC 2-26 etc.) and lubricating material like grease, oil and lubricating sprays if any, as required for subject work. 3. Major spares required to be replace during servicing will be measured and paid under relevant item as specified in the schedule hereforth

Material and labour for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanised iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate),"mild steel angle iron frame" made out of MS angle iron of size 40x40x6mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering and 40mm dia light grade, GI pipe for lead protection in and including alternate layers of charcoal dust and common salt complete all as shown in electrical "plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and as directed.

Supply and fixing in repairs earth continuity conductor or main earthing lead fixed to wall on batten or fixed to pole 4mm wire all as specified and directed.

Material and labour for earthing in repairs complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1,using (20mm graded stone aggregate),"mild steel angle iron frame" made out of MS angle iron of size 40x40x6mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in and including alternate layers of charcoal dust and common salt complete all as shown in electrical "plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and directed.

Supply and fixing in repairs earth continuity conductor or main earthing lead fixed to wall on batten or fixed to pole GI strip 32 x 6 mm complete all as specified and as directed.

Supply and fixing in replacement heavy duty station class, Gap less type Metal oxide lightning arrestors, 12 kV of 10kA rupturing capacity complete with all fittings distribution class suitable for 11KV earthed system discharge capacity 65 Kilo Amps complete all as specified and directed. Modifications to support structure as per OEM requirements shall be the scope of Contractor. No Extra payment will be entertained on this account.

All as per item No. 72.00 here-in before but 95 sqmm 3 core cable.

All as per item No. 72.00 here-in before but 240 sqmm 3 core cable.

All as per item No. 72.00 here-in before but Heat Shrinkable indoor type end termination cable jointing kit suitable for earthed 3 core 95 Sqmm HT 11 KV XLPE aluminium conductor cable.

All as per item No. 72.00 here-in before but Heat Shrinkable indoor type end termination cable jointing kit suitable for earthed 3 core 120/185 Sqmm HT 11 KV XLPE aluminium conductor cable.

All as per item No. 72.00 here-in before but Heat Shrinkable indoor type end termination cable jointing kit suitable for earthed 3 core 240 Sqmm HT 11 KV XLPE aluminium conductor cable.

All as per item No. 79.00 here-in before but straight through cable jointing kit suitable for earthed 3 core 95 sqmm HT 11 KV XLPE aluminium conductor cable.

All as per item No. 79.00 here-in before but straight through cable jointing kit suitable for earthed 3 core 240 sqmm HT 11 KV XLPE aluminium conductor cable.

Material and labour for providing r Anti-climbing device; spikes type square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified and as directed.

Material and labour for application of aluminium paint two coats after removal of old paint, rust, dust, oil, grease and any other foreign deposits by paint removers or burning off by blow lamps and cleaning with scrapers and chemicals for removal of rust for any number of coats, any width or girth incl. painting five no. strips of 30 cm each on bottom of pole with black and red colour paint, alternately, complete all as specified and as directed. for 2 pole structure.

Material and labour for writing letters or figures (Block. Roman, Italic or Indian) of 2cm high on any surfaces with any colour paint complete all as specified and as directed.

Supply and fixing ACP (aluminium composite panel) 4 mm thick composed of non combustible virgin LDPE laminated sandwitched between two fine aluminium sheets 0.25mm thick on both sides painted with blue colour polyster paint inclusive of folding and cutting with machine to obtain require shape and size fixing the same on M.S. channels/Poles, wall, etc. with nuts/bolts or screws/anchor fasteners, etc. complete all as specified and as directed.

Supplying, fabrication, installing, testing and commissioning of display board of size 1.0 m × 2.0 m, made of MS frame (50 × 50 × 5 mm angle) with aluminium composite panel (ACP) sheet cladding on front, back and sides, duly powder coated with approved colour and lettering/marking as per site requirement. The display board shall be provided with inbuilt backlight arrangement using energy efficient LED strip/tube modules with suitable driver, complete with concealed wiring, control switch and MCB protection. The board shall be mounted on two MS posts (75 × 75 × 6 mm square hollow section), 2.5 m above ground level including PCC foundation (1:2:4 mix, size 0.45 m × 0.45 m × 0.75 m) with proper grouting and painting with two coats of synthetic enamel paint over one coat of red oxide primer. Work shall be complete in all respects including wiring, testing and connection to existing LT supply, as specified and directed by Engineer-in-Charge.

Material and labour for loop type insulators, porcelain, vitreous white, brown or green large size, with overall dimentsions 90mm x 140 mm, clearance of hole 25.5 mm complete all as specified and as directed.

Supply and fixing complete Battery Bank system of adequate capacity comprising 55 Nos 2 V cells of 100 Ah at 10 Hr rate connected in series to provide 110 V DC, mounted on acid-resistant MS rack with common heavy duty MS support frame duly fabricated, supplied and fixed, surface prepared and painted with one coat anti-corrosive primer and two coats epoxy enamel paint, microprocessor-based Float-cum-Boost Charger suitable for 230 V AC input and delivering regulated 110 V DC ±1% output with float/boost mode, adequate charging current (boost ≥10–15 A), protections against input/output faults and battery reverse polarity, digital volt/ammeter, indications, alarms and cooling as required, DC Distribution Board with copper bus bars, MCB/MCCB, fuses and indicating lamps for outgoing circuits for operation of 9 Nos outgoing feeders and 1 No incomer VCB (total 10 breakers), accessories including inter-cell connectors, connecting wires, nuts, bolts, plain/spring washers, insulated tools, numbering plates, installation, wiring, testing & commissioning including demonstration of 5 tripping and 5 closing operations of each breaker under AC supply failure and functional check of protections/annunciations, complete all as specified and directed by engr -in- charge., conforming to IS 1651/13369/15549 and IEC 60896/60623 with approved makes equivalent.

Supply, Installation, Testing and Commissioning of complete Computerized Monitoring and Control System for 11 kV indoor VCB switchgear panels (comprising 10 Nos. 09 outgoing feeders and 01 No. incomer) including replacement of existing protection relays with numerical type microprocessor-based relays, establishment of communication system, computer-based monitoring, temperature monitoring, and provision of remote ON/OFF operation of breakers, all as specified herein: 1. Numerical Relays:Microprocessor-based Numerical Overcurrent + Earth Fault Relays, conforming to IEC standards, with inbuilt RS-485 communication (Modbus RTU/IEC 60870), event recording, fault recording, LED indications, self-diagnostic features and user-configurable settings. Relays shall be suitable for protection of 11 kV, 400 A, 3-phase VCBs, with CT ratio 200/5 (or as per site requirement) and PT 11 kV/110 V. Makes: Siemens / ABB / Schneider / L&T / C&S or equivalent. 2. Communication Network:Supply and laying of screened twisted pair RS-485 communication cable between all relays, with proper terminations, junction boxes, shielding, and earthing as per standards. Integration with converter modules (RS-485 to USB/Ethernet) for connection to monitoring PC. 3. Computer & Monitoring Software:Industrial grade PC with minimum specifications – Intel i5, 8 GB RAM, 1 TB HDD, 21” LED monitor, licensed Windows OS – complete with UPS (1 kVA, 1 Hr backup). Monitoring/SCADA software shall display real-time breaker status (ON/OFF/Trip), relay measurements, alarms, event/fault records, trip history, and generate reports in CSV/Excel format. Data logging shall be automatic and retrievable at any time. 4. Remote Breaker Control:Supply and installation of remote ON/OFF (Close/Open) control modules integrated with VCB trip/close coils through auxiliary relays, with all necessary interlocks to ensure safe operation. System shall provide remote operation from PC while retaining manual local operation through existing switches. A manual bypass arrangement shall be provided to allow breaker operation even in case of SCADA/computer failure.

5. Temperature Monitoring:Digital temperature sensors shall be installed inside switchgear room and breaker cubicles for monitoring of ambient and equipment temperature. Sensors shall be RS-485 compatible for integration with central system. Alarm thresholds shall be programmable and annunciated both locally and on monitoring PC. 6. DC Control Supply Integration:System shall be integrated with existing 110 V DC battery bank and charger system. All trip/close operations, relays, and communication devices shall be powered from DC supply. Necessary protection fuses, MCBs, auxiliary contacts and wiring shall be provided. 7. Interface Modules & Accessories:All required converters, I/O modules, signal conditioners, terminal connectors, wiring ferrules, cable ducts, mounting hardware, and accessories shall be included in the scope. 8. Testing & Commissioning:Complete programming, configuration, and testing of relays, communication, monitoring software, temperature sensors and remote ON/OFF operation. Demonstration of breaker operation through PC command, fault recording, event log retrieval, alarm generation and manual bypass operation. Training to MES staff in operation and basic troubleshooting. 9. Standards & Compliance:System shall conform to IEC 60255, IEC 61850/60870 (as applicable), IS 3231, and relevant CEA regulations.with 24 months guarantee from date of commissioning and OEM test certificates, all as specified and directed.

Supply and fixing complete Battery Bank system of adequate capacity comprising 55 Nos 2 V cells of 100 Ah at 10 Hr rate connected in series to provide 110 V DC, mounted on acid-resistant MS rack with common heavy duty MS support frame duly fabricated, supplied and fixed, surface prepared and painted with one coat anti-corrosive primer and two coats epoxy enamel paint, microprocessor-based Float-cum-Boost Charger suitable for 230 V AC input and delivering regulated 110 V DC ±1% output with float/boost mode, adequate charging current (boost ≥10–15 A), protections against input/output faults and battery reverse polarity, digital volt/ammeter, indications, alarms and cooling as required, DC Distribution Board with copper bus bars, MCB/MCCB, fuses and indicating lamps for outgoing circuits for operation of 2 Nos outgoing feeders and 1 No incomer VCB (total 3 breakers), accessories including inter-cell connectors, connecting wires, nuts, bolts, plain/spring washers, insulated tools, numbering plates, installation, wiring, testing & commissioning including demonstration of 5 tripping and 5 closing operations of each breaker under AC supply failure and functional check of protections/annunciations, complete all as specified and directed by engr -in- charge., conforming to IS 1651/13369/15549 and IEC 60896/60623 with approved makes equivalent.

Repairs and maintenence of 11 KV 400A HV VCB Crompton make, 50 Hz yearly as under :- (i). Ensuring the switching OFF operation of the VCB positively by racking it out at service position & testing its manual & electrical ON-OFF operations by applying control panel supply source, repair/replacement of the defective components. (ii). After ensuring the VCB is in isolated position, inspection of entire breaker mech parts like, breaker ON OFF operations, mech gear drive assy, closing & tripping mechanisms, spring charging indications, ON-OFF mechanical indications, condition of main closing & tripping spring assy, allied hardwares & it's tightness and alignments. (iii). Inspection of Electrical parts - motor assy, aux block operations, tripping & closing coil operations, main male-female contacts, insulating material, insulating oil healthiness, etc.(iv). Checking operation of relays. (vi). Checking and recording of IR value of VCB trolley and panel.(vii). Checking/repairing/rectification of the control wiring. . (xi). Checking & updating all mech + electrical critical settings of VCB like closing & tripping & trouble free operations. (xii). Checking VCB manual ON-OFF operations by local closing & tripping push assy. (xiii). Checking VCB electrical ON-OFF operations by applying control supply source. VCB should switch ON & OFF by breaker ON-OFF control switch which in installed on control panel. VCB tripping operations to be checked using protection relay units like LSIG realy + master trip realy units + other tripping units installed in the breaker. (xiv). Ensuring if VCB is in trip position, it should not re-close again, even when closing command is applied. (xv). Ensuring VCB's positive & trouble free performance in service position by switching ON the plant load. (xvi). Checking fibre plates, gaskets, , applying properly with LICOM 2 HPCL make/Balmier Lawire make grease or equivalent one using help of grease gun to VCB cradle, racking in-out assy, mech rubbing parts + bushing assy & dry graphite conductive sealant to contacts of PT etc. & re-assembling the same and commissioning complete to the entire satisfaction of Engr-in-Chrg. incld. testing of polarities of CTs. (xvii). High voltage testing with high voltage tester of CT & Breaker pole to with stand working pressure of HT 22 KV to ascertain servicieability and spare parts found defective to be replaced for smooth functioning as directed by Engr-in-Chrg. (xviii). Labour only for opening the busbar chamber of HT board cleaning the bus bar chamber, cleaning of entire dust in side the control panel + VCB by using dry air pressure, inspect the CT's wiring, spout insulator & bus-bar joints & tightening if required & heating up with hot air blower to remove moisture, meggering, HV testing applying TRTPPEX(B) Note : Spares used in this job should be paiid seperately

Supply only the following spares for 11 KV 400A VCB complete all as specified and as directed

Supply only Charging Spring Motor .

Supply only Closing Coil .

Supply only Tripping Coil .

Supply only Gear Set .

Supply only Motor Cut Off Switch .

Supply only ZZ Switch .

Supply only LED Indicator .

Supply only TNC.

Supply onlyCurrent Transformer, resin-cast, indoor, 11 kV (Um 12 kV), ratio 100/5 A, multi-core (Metering + Protection), burden 15 VA (met.) / 15 VA (prot.), accuracy Class 0.5 (metering) & 5P10 (protection), 50 Hz, terminals, nameplate, mounting hardware, conforming to IS:2705 / IEC 61869-2, tested complete all as specified and directed.

supply only Current Transformer, resin-cast, indoor, 11 kV (Um 12 kV), ratio 200/5 A, multi-core (Metering + Protection), burden 15 VA (met.) / 15 VA (prot.), accuracy Class 0.5 (metering) & 5P10 (protection), 50 Hz, terminals, nameplate, mounting hardware, conforming to IS:2705 / IEC 61869-2, tested and complete all as specified and directed.

Supply only Potential Transformer (PT), resin cast, indoor type, 11 kV (Um 12 kV), ratio 11 kV / √3 : 110 V / √3, single phase, burden 50 VA, accuracy Class 0.5 (metering) & Class 3P (protection), 50 Hz, complete with terminals, fuses, nameplate and mounting hardware, conforming to IS:3156 / IEC 61869-3, routine/type tested, all as specified and directed.

Supply only Multifunction Energy meter for measurement of Volts, Amps, PF, THD, F, W, Wh, VA, VAh, Var, Varh all as specified and directed.

Supply only master trip relay suitable for 11 kV VCB, 110/220 V DC

Supply only Digital amp meter for VCBs 11Kv ,400amp

Supply only Digital Voltmeter for VCBS 11Kv

Supply only Fuse of VCB panel

Repairs and maintenence of 11 KV 800A HV VCB Crompton make, 50 Hz yearly as under :- (i). Ensuring the switching OFF operation of the VCB positively by racking it out at service position & testing its manual & electrical ON-OFF operations by applying control panel supply source, repair/replacement of the defective components. (ii). After ensuring the VCB is in isolated position, inspection of entire breaker mech parts like, breaker ON OFF operations, mech gear drive assy, closing & tripping mechanisms, spring charging indications, ON-OFF mechanical indications, condition of main closing & tripping spring assy, allied hardwares & it's tightness and alignments. (iii). Inspection of Electrical parts - motor assy, aux block operations, tripping & closing coil operations, main male-female contacts, insulating material, insulating oil healthiness, etc.(iv). Checking operation of relays. (vi). Checking and recording of IR value of VCB trolley and panel.(vii). Checking/repairing/rectification of the control wiring. . (xi). Checking & updating all mech + electrical critical settings of VCB like closing & tripping & trouble free operations. (xii). Checking VCB manual ON-OFF operations by local closing & tripping push assy. (xiii). Checking VCB electrical ON-OFF operations by applying control supply source. VCB should switch ON & OFF by breaker ON-OFF control switch which in installed on control panel. VCB tripping operations to be checked using protection relay units like LSIG realy + master trip realy units + other tripping units installed in the breaker. (xiv). Ensuring if VCB is in trip position, it should not re-close again, even when closing command is applied. (xv). Ensuring VCB's positive & trouble free performance in service position by switching ON the plant load.

(xvi). Checking fibre plates, gaskets, , applying properly with LICOM 2 HPCL make/Balmier Lawire make grease or equivalent one using help of grease gun to VCB cradle, racking in-out assy, mech rubbing parts + bushing assy & dry graphite conductive sealant to contacts of PT etc. & re-assembling the same and commissioning complete to the entire satisfaction of Engr-in-Chrg. incld. testing of polarities of CTs. (xvii). High voltage testing with high voltage tester of CT & Breaker pole to with stand working pressure of HT 22 KV to ascertain servicieability and spare parts found defective to be replaced for smooth functioning as directed by Engr-in-Chrg. (xviii). Labour only for opening the busbar chamber of HT board cleaning the bus bar chamber, cleaning of entire dust in side the control panel + VCB by using dry air pressure, inspect the CT's wiring, spout insulator & bus-bar joints & tightening if required & heating up with hot air blower to remove moisture, meggering, HV testing applying TRTPPEX(B). Note : Spares used in this job should be measured and paid seperately

Supply only the following spares for 11 KV 800A VCB complete all as specified and as directed

Supply only Charging Spring Motor .

Supply only Closing Coil .

Supply only Tripping Coil .

Supply only Gear Set .

Supply only Motor Cut Off Switch .

Supply only ZZ Switch.

Supply only LED Indicator .

Supply only TNC.

Supply only PT 11 KV/440 V.

Supply only CT 100/5 as spares of VCB.

Supply only Over current + earth fault relay as spares of VCB.

Supply only Multifunction Energy meter (as spare of VCB) for measurement of Volts, Amps, PF, THD, F, W, Wh, VA, VAh, Var, Varh .

Supply, installing, testing and commissioning factory made HT Bus Bar box Outdoor type platform mounted, suitable for 11000 volts 3 phase , 50 Hz AC supply system fixed at a hight of 4 Ft (2ft under ground and 2 ft above the ground lavel) all as specified and directed having bus bar installed on HT insulators. The panel shall be dust and vermin proof, IP-65 class protection and made of 3.15 mm CRCA MS sheet (inner and outer sheet) with front opening type with double door shutter and locking arrangement and stainless steel mannual lock (both type) (including provn of lock with 2 keys), powder coated finish (over a coat of red oxide), primer on outside and two coats of red oxide primer on inside surface with aluminium bus bar of rating not less than 400 Amps, breaking capacity of 35KA, IP-54 protection and transparent acrylic sheet of 4mm sheet on both side full covered , on suitable foundation, all as specified and directed

Material and labour forcement concrete 1:4:8 type D-2 using 40 mm graded broken stone aggregate as in foundations, filling and mass concrete etc complete all as specified and as directed.

Material and labour for cement concrete 1:2:4 type B - 1 using 20mm graded crushed stone aggregate in coping pedestal to poles including provision of necessary from work finishing the expossed surface even and smooth complete all as specified and as directed.

Dismantling and taking out steel poles/struts/PCC poles of any size complete all as specified and as directed..

Supply and erection of steel tubular swaged poles welded with with cast iron base plate of size 30cmx30cmx6mm thick finial taper plug bolts nuts & screws as specified type 410 SP 55, 11m long in truly vertical position till setting of PCC foundation complete including painting with two coats of aluminium paints of approved quality over one coat of red oxide primer as exposed surface & two coat bitu-mineous paint for embedded portion incl. painting five no. strips upto 30 cm on bottom of the pole with black and red colour paint alternately all as specified and directed. Note :- Excavation of post hole, PCC required for foundation and coping will be measured & paid under relevant items of Sch 'A'.

Material and labour for complete overhauling, testing, calibrating and commissioning of numerical relay/electro-mechanical relay - 1 UV/OV relay + 1 earth fault/O/C + 1 master trip relay by secondary injection on each multiple settings of relays by injecting artificial load to ascertain correctness completely including primary injection through CTs by injecting artificial load on each multiple setting of relay to check correctness as well setting the relay at the settings which is inco-ordination with the MSEDCL sub-station (source) and as per the further downstream distribution of HV breakers complete all as specified and directed. Notes - (a). The contractor has to test the functioning/tripping operations of relay caliberated to the complete satisfaction of Engr-in-Charge alongwith the two copies test reports. A total no. of three hard copies and one soft copy (CD) of the reports shall be submitted. (b). The contractor has to arrange for electrical shutdown prior to carry own repairs incld. switching OFF of VCB positively and racking it out at service position.

Supply only the following spares for RMU 400A of Make:- ABB Cat part No.1VTB84C complete all as specified and as directed

Supply only Charging Spring Motor

Supply only Closing Coil .

Supply only Tripping Coil .

Supply only Gear Set .

Supply only Motor Cut Off Switch .

Supply only ZZ Switch .

Supply only LED Indicator .

Supply only Topping up of SF6 gas

Supply only Over current + earth fault relay

Supply only Auxillary Relay .

Raman Electric Trading Co (BID ID -3503691)