REPAIR_MAINT OF 11 KV SUBSTATION 33 KV TRANSFORMER VCB AND OTHER CONNECTED WORKS UNDER AGE EM II OF GE NW VASCO

Amount

Excavation in trenches not exceeding 1.5 m width and not exc 1.5m in depth getting out in hard/dense soil taking down UG cable any size complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 m width and not exc 1.5 in depth getting out soft/disintegrated for laying and taking down UG cable of any size complete all as specified and as directed.

M & L for sand cushion in trenches for cable protection complete all as directed and specified.

Supply and lay PCC cable cover class HV, type 1, flat size 300mm x 180mm x 40mm with ISI mark complete all as specified and as directed

Returning filling in including spreading levelling watering and well ramming in layers not exceeding 25 cm in thick using excavated hard/dense soil complete all as specified and as directed

Removal of surplus soil to a distance not exceeding 50 m and depositing where directed by Engr-in-charge

Supply and laying HT XLPE cable insulated , screened, PVC bedded , galvanised steel strip armoured, electric power cable (Heavy duty) with aluminium conductor, cross sectional area 95 Sqmm 3 core 11KV grade, including dismantling of existing cable complete all as specified and as directed

Supply and laying LT UG cable XLPE insulated armoured heavy duty 1100 volts grade with aluminium conductor multistandarded including centre gland, lugs, jointing materials etc laid in trenches or fixed it to wall including dismantling of existing cable of following sizes:- (a) 10 sqmm 4 core

(b) 16 sqmm 4 core

(c) 25 sqmm 3.5 core

(d) 35 sqmm 3.5 core

(e) 50 sqmm 3.5 core

(f) 70 sqmm 3.5 core

(g) 95 sqmm 3.5 core

(h)120 sqmm 3.5 core

M&L for fixing GI tubing light grade use for the protection of cable all as specified and directed by Engr-in-Charge of following sizes:- (a) 40 mm dia

(b) 50 mm dia

(c) 80 mm dia

M&L for High density polyethylene pipes (HDPE) DWC Pipe of pressure rating PN 6 (SDR 21) laid in trenches for cable protection complete all as spcified and directed of following sizes:- (a) 40 mm dia

(b) 50 mm dia

(c) 90 mm dia

M & L for road cutting incl excavation in trenches for laying HT UG cable in pipe not exc 45 cm wide and n.exc 60 cm depth or as per site requirement for laying of GI pipe 100 mm dia light grade & making good the disturbed surfaces with cement concrete (1:3:6) type C-1 and top surface neatly finished as per existing to match with the existing complete all as specified . Note :- 80 mm GI pipe (light grade) will be paid and measured under separate item . The cut /excavated surface will be repaired on same day with PCC failing which a penality of Rs 500 per day will be recovered from contractor dues.

Supply and fixing LED street light fitting 100 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete all as specified and as directed

Supply and fixing LED Solar street light fitting 36 Watt including galvanized steel pole in built, lithium ion battery, solar panel, charge controller with dusk down sensor complete. (Excavation &earth work shall be measured separately)

S & F in repairs LT junction box suitable for 1100 Volt grade outdoor type, single door, pedestal mounted, overall size not less than 650 x 650 x 450 mm, having aluminium bus bar of 400 A capacity - 04 Nos with necessary hole for connection of LT cables mounted on suitable strength epoxy insulator 1100 KV grade, dust and vermin proof & lockable, factory made, fabricated out of 3 mm thick CRCA sheet suitable for 3 Phase 4 wite system, duly insulated with heat shrinkable type coloured sleeve, supported on suitable size "C" Channel in the vertical position - 04 Nos, LT danger notice board fixed on door on both side, with independent plates at bottom for each out going and in coming cables in cable alley and painted with powder coating in Siemens grey colour and incl Angle iron base frame as reqd size as per above panel, total leg height 600 mm and grouting in side PCC 150 mm legs and made out of ISA 4040, 40 x 40 x 6 mm thick angle iron duly painted - 01 No.all as approved and as directed.

Supply only of PVC electrical LT insulation tape 18 mm width in 6 mtr roll all as directed.

Supply only of alluminium cable luggs/ferrol of following size complete all as specified and directed by engr-in-charge (a) 10-35 sqmm dia

(b) 35 to 95 sqmm dia

(c) 120-300 sqmm dia

Supply and fix of cable gland of following size complete all as specified and directed by engr-in-charge:- (a) 10-70 sqmm dia

(b) 95-300 sqmm dia

M & L in repair 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 M.S. clamps, bolts and nuts of approved size, for LT, 20x15 cm size complete all as specified and as directed

M & L painting of HT / LT Panel of any size by preparation of old surface and applying one coat of red oxide primer and two coat of synthetic enamelled paint of standard colour code as existing surface all as specified and directed by engr-in-charge.(Note:- Colour of paint decided by engr-in-charge.)

& F in repairs multicolour flexible copper cable 3 core 1.5 sqmm ,1100 volts all as specified and directed by engr-in-charge

S & F in repairs multicolour flexible copper cable 3 core 2.5 sqmm ,1100 volts all as specified and directed by engr-in-charge

M & L Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50Sqmm to 95 Sqmm including dismantling old burnt cable joint termination complete all as specified and directed.

M & L Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50Sqmm to 95 Sqmm including dismantling old burnt cable joint termination complete all as specified and directed

M & L Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 to 120 sqmm including dismantling old burnt cable joint termination complete all as specified and directed

M & L Cable jointing kit for 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 35 to 50 sqmm including dismantling old burnt cable joint termination complete all as specified and directed

M & L Cable jointing kit for 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 70 to 120 sqmm including dismantling old burnt cable joint termination complete all as specified and directed

M & L Cable jointing kit for 1.1 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 185 to 240 sqmm including dismantling old burnt cable joint termination complete all as specified and directed

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 63 Amps breaking capacity 16 KA complete all as specified and directed by Engr-in-Charge.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 100 Amps breaking capacity 16 KA complete all as specified and directed by Engr-in-Charge.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 200 Amps breaking capacity 25 KA complete all as specified and directed by Engr-in-Charge.

S & F in repair MCCB 415V 3 phase 50 HZ 4 pole 250 Amps breaking capacity 25 KA complete all as specified and directed by Engr-in-Charge.

M&L for Repair to Gang Operated Air Break switches, 11 KV, Current capacity 200 Amps by replacing following spares:- (a) Moving male contact blades Brass.

(b) Fixed female contact jaw Brass.

(c) Tinned copper flexible jumper

(d) MS Jumper carrier

(e) Back connector plate

M & L for Heavy gang operated triple pole mechanically operated air break on load disconnecting switch each pole consist of galvanised iron base HT 11KV with polymer insulators per phase non ferrous knife and spring loaded contact GI pipe of adequate length for operation from ground level and operating handle complete in both OFF and ON position capacity 11 KV 200 Amps including taking down old one complete all as specified and as directed

M & L for 11 KV Heavy Drop Out Fuse complete in each pole consist of galvanised iron base HT 11KV with polymer insulators including taking down old one all as specified and directed.

M&L for HT 11 KV Disc type insulator with hardware, single disc assembly, polymeric insulator, socket type, including taking down old unsv.

S&F for Pin type polymer insulator including one galvanised mild steel spindle two GI washers and one GI iron nut for 11 KV grade including dismantling the old U/S insulator.

S&F Electrical Insulating mat blue in colour confirming IS:15652-2006 of size 2m x 1m x 5 mm thick complete all as specified and directed.

M & L for cutting and removing grass, vegetation, bushes etc and cleaning the installation and surroundings complete for a substation/installation all as specified and directed by Engr-in-Charge.

M & L for Providing, cement concrete PCC 1:3:6 type C1 using 20 mm graded trap stone aggregate in roof kerbs or mud stops, rounded or chamfered on edges as directed by Engineer-in-Charge.

Supply and applying petroleum jelly on GOD after removing carbon, dust etc complete all as specified and directed by Engr-in charge.

M & L for earthing complete with steel earth plate eletrode 60cmx60cmx6mm thick buried directly in ground vertically (earth pit not less than 2.25 mtr below ground level) with top edge of plate not less than 1.5 mtr below ground level connected to GI earth strip 25x4mm by means of bolts. nuts,check nuts and washers etc including protection pipe 15mm dia up to 7.5m length, provision the earth lead to earth connection in ther main distribution box with lugs and GI nuts, bolts, earthing shall be done all as per shown electrical plate No 3 of SSR part 1 Including neccessary excavation in soft disintergrated rock and provision of 15mm dia pipe with funnel, PCC earth chamber of 100mm thick precast RCC cover with suitable precast RCC frame and earth test point and testing in presence of Engr-in-Charge complete all as specified and as directed

Comprehensive/preventive maintenance for smooth functioning of step down transformer indoor/ outdoor type of capacity 100 KVA to 750 KVA with off load tap changer 11 KV/433 volts grade by performing the following works :- (i) The company technician from reputed company of transformer repairing/manufacturing will visit the installation bimonthly to ensure the smooth functioning of transformer and will provide preventivemaintenance/ servicing as and when required. (ii) The technician should be from reputed company of transformer repairing company duly qualified and conversent with functioning of transformers (iii) The technician will check the following points:- (a) Checking of minium and maximum peak load, voltage, current on each phase LT and HT side. (b) Checking of temprature of winding and oil in conservator and transformer. (c) Checking of tightness of all gasket joints including HT & LT cable boxes and checking any leakage of oil. (d) Checking HT and LT end joints at transformer end heating, sparking or carbon deposit and loose connections. (e) Checking of connections of marshelling box if installed on transformer and checkingof functioning of buchholz relay. (f) Testing of dielectric strength of transformer oil after every 3 months intervel and submit test report. (g) Examination of cracks & loose connections on bushings & terminals (h) Checking of proper working of all indicators/meters/guages. (j) Testing of earth results after every 3 months interval shall be submitted (test report). (k) All test report/check list for each transformer will be initated by contractor as directed. The cost of stationary/test sheets/registerof records deems to be included in unit rate.

Draining out complete transformer oil from transformer of from 100 KVA to 160 KVA capacity at site in which major repair is found and storing the oil in suitable container (container to be provided by the contractor to keep aside for re-use after repair) and lifting of core assembly by opening of top cover and other items for inspection/examination by GE/AGE E/M and lowering/ fixing of core assembly in its original position after inspection to make it ready for transportation to carry out repair work in workshop

Draining out complete transformer oil from transformer of from 200 KVA to 315 KVA capacity at site in which major repair is found and storing the oil in suitable container (container to be provided by the contractor to keep aside for re-use after repair) and lifting of core assembly by opening of top cover and other items for inspection/examination by GE/AGE E/M and lowering/ fixing of core assembly in its original position after inspection to make it ready for transportation to carry out repair work in workshop

Draining out complete transformer oil from transformer of from 400 KVA to 750 KVA capacity at site in which major repair is found and storing the oil in suitable container (container to be provided by the contractor to keep aside for re-use after repair) and lifting of core assembly by opening of top cover and other items for inspection/examination by GE/AGE E/M and lowering/ fixing of core assembly in its original position after inspection to make it ready for transportation to carry out repair work in workshop

M&L for transportation of unserviceable transformer of capacity from 100 KVA to 315 KVA (with vehicle and hydra crane) to workshop and return back for installation on its original position/ location after repairing from workshop (Rate is deemed to be inclusive of transportation, T&P and man power)

M&L for transportation of unserviceable transformer of capacity from 400 KVA to 630 KVA (with vehicle and hydra crane) to workshop and return back for installation on its original position/ location after repairing from workshop (Rate is deemed to be inclusive of transportation, T&P and man power)

Description same all as per item No 66 here-in-before but shifting of serviceable transformer (with vehicle and hydra crane) upto 600 KVA from MES store Yard/Sub Stn(indoor/outdoor) for installation in place of unserviceable transformer and back after replacing with repaired transformer all as specified and directed

M&L for Opening of top cover by unscrewing nut, bolts & washers etc and taking out core assembly from tank by disconnecting from tap changer HT & LT side bushing stud to outside by dismantling the channel and disconnecting star delta connection of transformer having capacity from 100 KVA to 160 KVA complete all as specified and as directed

M&L for Opening of top cover by unscrewing nut, bolts & washers etc and taking out core assembly from tank by disconnecting from tap changer HT & LT side bushing stud to outside by dismantling the channel and disconnecting star delta connection of transformer having capacity from 200 KVA to 315 KVA complete all as specified and as directed

M&L for Opening of top cover by unscrewing nut, bolts & washers etc and taking out core assembly from tank by disconnecting from tap changer HT & LT side bushing stud to outside by dismantling the channel and disconnecting star delta connection of transformer having capacity from 400 KVA to 750 KVA complete all as specified and as directed

M&L for Removing the lamination in proper manner carefully for taking out serviceable/ unserviceable HT/LT coils from the limbs of capacity from 100 KVA to 160 KVA transformer.

M&L for Removing the lamination in proper manner carefully for taking out serviceable/ unserviceable HT/LT coils from the limbs of capacity from 200 KVA to 315 KVA transformer.

M&L for Removing the lamination in proper manner carefully for taking out serviceable/ unserviceable HT/LT coils from the limbs of capacity from 400 KVA to 630 KVA transformer.

M& L in repairs for rewinding of HT coils with copper wire DPC/super enameled high quality matching with existing gauge and impedence including requisite insulating paper/material in each layer of winding after taking down old existing winding of HT leg coils complete. Note : The rate quoted against these items is inclusive necessary provision and cost of all types of insulating materials and heating/ varnishing etc.

M& L in repairs for rewinding of LT coils with copper strip DPC/super enameled high quality matching with existing gauge and impedence including requisite insulating paper/material in each layer of winding after taking down old existing winding of HT leg coils complete. Note : The rate quoted against these items is inclusive necessary provision and cost of all types of insulating materials and heating/ varnishing etc.

M& L for Inserting of HT/LT coils on limbs rewinded here in before/ old after cleaning of lamination in proper way and also after insulating the limbs with requisite insulating materials on limbs in between limbs/coils upto 100 KVA to 160 KVA capacity transformer.

M& L for Inserting of HT/LT coils on limbs rewinded here in before/ old after cleaning of lamination in proper way and also after insulating the limbs with requisite insulating materials on limbs in between limbs/coils upto 200 KVA to 315 KVA capacity transformer.

M& L for Inserting of HT/LT coils on limbs rewinded here in before/ old after cleaning of lamination in proper way and also after insulating the limbs with requisite insulating materials on limbs in between limbs/coils upto 400 KVA to 750 KVA capacity transformer.

M& L for Re-arranging the top lamination over coils in proper manner including fixing of channel soldering in between coils as necessary and brazing of star delta connection with tap changer from 100 KVA to 160 KVA capacity transformer complete all as directed.

M& L for Re-arranging the top lamination over coils in proper manner including fixing of channel soldering in between coils as necessary and brazing of star delta connection with tap changer from 200 KVA to 315 KVA capacity transformer complete all as directed.

M& L for Re-arranging the top lamination over coils in proper manner including fixing of channel soldering in between coils as necessary and brazing of star delta connection with tap changer from 400 KVA to 750 KVA capacity transformer complete all as directed.

M& L for Baking the core assembly in the oven duly varnishing the coil to improve IR value and to eliminate moisture content from 100 KVA to 160 KVA capacity transformer complete all as directed.

M& L for Baking the core assembly in the oven duly varnishing the coil to improve IR value and to eliminate moisture content from 200 KVA to 315 KVA capacity transformer complete all as directed.

M& L for Baking the core assembly in the oven duly varnishing the coil to improve IR value and to eliminate moisture content from 400 KVA to 750 KVA capacity transformer complete all as directed.

M& L for Inserting the core assembly after baking in the tank (before inserting , the tank to be cleaned by removing all deposit sludge etc including drying) and making connection with HT/LT bushing studs and closing the tank top cover by fixing of suitable size of nut, bolts and washers for transformer of capacity 100 to 750 KVA (Top cover gasket will be measured and paid separately). Note :- (i) Repairing of transformer have to be completed within 15 days duration. If the contractor has fails to repair the transformer with in 15 days contractor has to provide another transformer of same capacity without any extracost. (ii) In case the defective/unserviceable transformer not repaired & installed at site with in specified period of 15 days from the date of handing over to contractor, a penal recovery @ 5000/- per day will be charged from his dues.

Supply and fixing in renewal of porcelain transformer bushing on LT 1.1 KV side including brass stems conical bush and gasket for indoor/outdoor transformer of the following capacity :- (a) capacity 100 KVA to 315 KVA.

(b) capacity 400 KVA to 750 KVA

Supply and fixing in renewal of porcelain transformer bushing HT 11 KV including brass set stems conical bush and gasket for indoor/outdoor transformer of following capacity complete all as directed by Engineer-in-Charge. (a) Capacity 63 KVA to 315 KVA.

(b) Capacity 400 KVA to 750 KVA.

S&F in renewal of breather assembly by replacing old breather assembly with new one including fixing in proper manner for indoor/outdoor transformer of the following capacity :- (a) Capacity 63 KVA to 315 KVA.

(b) Capacity 400 KVA to 750 KVA.

S&F in renewal of breather assembly 5 Kg of 33/11 KV stepdown transformer by replacing old breather assembly with new one including fixing in proper manner for outdoor transformer

Supply and changing Silica gel from breather after heating till requisite/ desired colour is achieved complete all as directed.

ON load centrifuging and dehydration including filtration and cleanning of transformer oil by dehydration machine electric operated without any shutdown of transformer including testing oil sample before and after dehydration and dehydration and filtration oil as specified and directed. Note :- (i). Dielectric strength of oil after dehydartion shall be more than 45 KV at 2.5 mm gap on load (ii) Transformer oil required for top up shall be measured and paid separately. (iii) Contractor have to arrange the dehydration machine and testing kit from his own resources without any extra cost. (iv) The work will be carried at different locations in cantt area. Neceaary transport arrangement for shifting machine from one place to another to be arranged by contractor and cost of same to be included in unit rate.

M&L for spray painting of transformers located at various locations with two coats of synthetic enamel paint first quality of approved colour/ shade after preparation of old painted surface to entire satisfaction of Engr-in-charge incl writing SM and MES Nos for the capacity of transformer from 100 KVA to 200 KVA complete all as specified and as directed. Note :- The work will be carried at different locations in cantt area. Neceaary transport arrangement for shifting machine from one place to another to be arranged by contractor and cost of same to be included in unit rate.

M&L for spray painting of transformers located at various locations with two coats of synthetic enamel paint first quality of approved colour/ shade after preparation of old painted surface to entire satisfaction of Engr-in-charge incl writing SM and MES Nos for the capacity of transformer from 250 KVA to 750 KVA complete all as specified and as directed. Note :- The work will be carried at different locations in cantt area. Neceaary transport arrangement for shifting machine from one place to another to be arranged by contractor and cost of same to be included in unit rate.

Supply, installation, testing and commissioning of lightening arrester SMX type complete with all fittings transmission class , 36 KV 10 KA 50 Hz suitable for system voltage 33/36 KV

Disconnecting H.T supply and and servicing of 33 KV line Vaccum circuit breaker of capacity 630/800 Amps and rating 36 KV by cleaning , decarbonising the moving contact points , cleaning with CRC , checking proper operation of moving parts, removing foreign /dust particles from spout gear mechanism and moving parts, repair to motor charge spring mechanism, checking of DC supply wiring , parts tightening all nuts and bolts of components, lubricating moving parts with petrolium jelly in the breaker as directed and testing complete and keeping it on load..

M & L for disconnecting & taking out old/defective Current Transformer from 11 KV VCB panel, indoor, resin cast epoxy type of 18.4 KA/Sec having ratio 100/5+5 Amps or 60/5+5A or 30/5+5A suitable for metering and protection equipment installed on control panels including connection with control cables as per site requirement upto control panels terminals block and fixing on bus bar section having class of accuracy 5P 10 burden 15 VA

M & L for disconnecting & taking out old/defective Potential Trnsformer from 11 KV VCB panel, S & F installation & testing of Potential Trnsformer, indoor, comprising of three limbs single phase resin cast PTs of 11KV/110 Voltage ratio, 50 Hz type 200VA class-I accuracy suitable for protection & metering incl making suitable arrangement for fixing in existing VCB panel and connection complete all as specified and directed.

Supply & fix in replacement digital four pole non directional microprocessor based 3 over current + 1 Earth fault with instantaneous trip relay with high set , Aux. supply 20-110 volt DC and setting of time delay, overload and earth fault complete with all connection and testing on load including fabrication works to HT panel for fixing of new relay and wiring connection as directed and specified Make

M&L for disconnecting power supply from HT VCB /HT panels of capacity 11 KV for repair works , taking out trolly unit & complete servicing of the VCB through decarbonising , cleaning the male /female isolating contacts, lubricating moving part , cleaning with CRC removing dust particles from bus bar chamber, spout gear mechanism and moving parts, repair to motor charge spring mechanism, tightening all nuts and bolts of entire trolley , checking proper operation of trolly , inserting trolley inside and testing on load complete all as specified and directed .

M&L for servicing ,calibration of all type control relays such as digital earth fault/over current relay , IDMT relay , master trip relay other Aux relays , etc fixed on 11 KV VCB/OCB/RMU for over current and earth fault settings with all respects and making all tripping setting, time delay setting , for smooth functioning of all controls of HT panel including servicing of CTs , PTs , testing with primary injection test kit for load settings and timings of relays , setting tripping and closing of VCB/RMU/ SF-6 breakers complete all as specified and directed.

S & F in replacement of vacuum interrupter , suitable for 11 KV HT V.C.B 11 KV 630 /800 Amps capacity all as specified and directed.

S & F in replacement fixed contact block of V.C.B 11 KV 630/800 Amps capacity of makesapproved by GE complete all as specified and directed.

S & F in replacement moving contact block of V.C.B 11 KV 630 /800 Amps capacity of make approved by GE complete all as specified and directed.

S & F in replacement motor & gear assembly 220 Volt AC motorised mechanism of V.C.B 11 KV 630/800 Amps capacity including testing & puting on load of make as per existing design approved by GE complete all as specified and directed.

S & F in replacement closing coil assembly 24/ 110 volts DC for HTV.C.B 11 KV 630/800 Amps capacity of make as per existing design approved by GE complete all as specified and directed.

S & F in replacement tripping coil assembly 24 / 110 volts DC for HT V.C.B 11 KV 630/800 Amps capacity of make as per existing design approved by GE complete all as specified and directed.

S & F in replacement auxillary switch (6 No + 6NC) for HT V.C.B 11 KV 630/800 Amps capacityof make as per existing design approved by GE complete all as specified and directed.

S & F in replacement contact plug 630/800 Amps for HT V.C.B 11 KV 630/800 Amps capacity of make as per existing design approved by GE complete all as specified and directed.

S & F in replacement big cam with main shaft for HT V.C.B 11 KV 630/800 Amps capacityof make as per existing design approved by GE complete all as specified and directed.

S & F in replacement The operating mechanism of the indoor type 11 kV Vacuum Circuit Breaker with a robust, spring-charged, motor-operated mechanism with manual charging provision, conforming to IS/IEC 62271-100. It shall be of the stored-energy type capable of both electrical and manual operation, ensuring quick make and break operations under normal and fault conditions. The mechanism shall be trip-free and incorporate anti-pumping and mechanical interlocking features to prevent simultaneous or unintended operations. It shall include motor for automatic charging of the closing spring with provision for manual hand charging through a lever in case of supply failure. The closing and tripping shall be achieved through electrically operated coils rated for 30 V/48 V/110 V/220 V DC or AC as specified. The mechanism shall have clear mechanical indication of breaker position (ON/OFF), spring charged/discharged status, and shall allow remote as well as local control. All moving parts shall be designed for long mechanical life (minimum 10,000 operations at rated current) with low maintenance, and bearings shall be self-lubricating or sealed-for-life. Mechanical safety interlocks shall be provided to prevent racking of the breaker in the closed position and to prevent closing unless the breaker is fully in service or test position. All parts of the mechanism shall be housed in a dust-protected, accessible enclosure ensuring easy maintenance and trouble-free operation over its service life all as specified and directed.

Disconnection of faulty HT 11 KV cable of any size from both ends, testing of cables with HT megger or high voltage DC testing mechine and locating the fault in the cable by arranging fault locating Machine (FLC) to pin point at the exact position of fault including the cost for transporting machine at various locations with T&P, manpower and standby power supply for testing of cable all as specified ( Cost also incudes for providing transportation of fault locating machine at different sites as per requirement). Note : The contractor will be initmated on phone followed in writing for faults in HT/LT UG cables. Contractor has to attend site and arrange to bring FLC machine on site within 48 hrs to locate the fault. If the contractor fails to bring the FLC machine for location of fault a penalty of Rs 3000- per cable per day will be charged from his dues.

Disconnection of faulty LT 1100 volt cable of any size from both ends, testing of cables with HT/LT megger or high voltage DC testing mechine and locating the fault in the cable by arranging fault locating Machine (FLC) to pin point at the exact position of fault including the cost for transporting machine at various locations with T&P, manpower and standby power supply for testing of cable all as specified ( Cost also incudes for providing transportation of fault locating machine at different sites as per requirement). Note : The contractor will be initmated on phone followed in writing for faults in HT/LT UG cables. Contractor has to attend site and arrange to bring FLC machine on site within 48 hrs to locate the fault. If the contractor fails to bring the FLC machine for location of fault a penalty of Rs 3000- per cable per day will be charged from his dues.

Supply and filling Transformer oil confirming to IS-335 (as in toping up or replacement) of 50 KV breaking capacity complete all as specified and as directed. Note :- The work will be carried at different locations in cantt area. Neceaary transport arrangement for shifting machine from one place to another to be arranged by contractor and cost of same to be included in unit rate.Contractor will bring new oil in sealed container and cost of same shall be included in unit rate.

S&F for replacement & testing commissioning of outdoor type bus bar cubicle panel board made of 3 mm CRCA MS sheet outdoor type of size 110 cm x 80 cm x 40 cm, 4 Nos of aluminium bus bar of 300 Amp capacity colour coded heat shrinkable sleaves and mounted on DMC/Epoxy insulator with MCCB 4 pole of Capacity 200 Amp 25 KA (Ics =Icu=100%) including one coat of redoxide powder coated finish , mounted on angular frame work of 50x50x5mm thick angle iron base frame, minimum 60 cm hight and fixed with PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) in foundation for fixing panels, complete all as specified & directed

Supply, installation, testing and commissioning of a 30 V DC battery bank comprising fifteen (15) numbers of 2 V lead-acid cells connected in series to achieve the required voltage of 30 V DC, each cell having a rated capacity of 200 Ah at 10-hour/20-hour rate at 27 °C. The battery bank shall be of maintenance-free VRLA or low-maintenance tubular lead-acid type conforming to IS 1651 / IS 15549 / IEC 60896 or latest standards, housed in high-impact acid-resistant polypropylene containers with heat-sealed covers and fitted with lead alloy terminals, protective caps and inter-cell connectors. All batteries shall be supplied complete with suitable MS epoxy-painted battery racks, interconnecting links, bolts, nuts, washers, electrolyte (if applicable), vent plugs and all necessary accessories. The design life of the cells shall not be less than five years at 27 °C and shall be compatible with float and boost charging modes of the existing/proposed battery charger. The scope of work includes supply, delivery to site, installation on racks with proper interconnections, initial charging and site testing/commissioning, and submission of manufacturer’s test certificates and warranty documents. The battery bank shall be warranted for a minimum of two years from the date of commissioning or as otherwise specified in the tender.

Bharat Sales Corporation (BID ID -3513884)

DURGAI ELECTRICALS (BID ID -3511777)

J D ENTERPRISES (BID ID -3520367)

Shree Ram Enterprises (BID ID -3513977)

Shine Enterprises (BID ID -3517249)