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| Sl. No. | Item Description |
| 1 | M&L for disconnecting, servicing, testing and commissioning of Vacuum Circuit Breaker (VCB) of any make and rating, as directed by the Engineer-in-Charge, including the following works:(a) Dismantling the VCB from the enclosure, comprising vacuum interrupter assembly and socket contacts, checking serviceability of all components, thorough cleaning, checking and alignment of closing and opening mechanisms, and re-assembling the complete unit.(b) Cleaning of external and internal surfaces of bushings using approved contact cleaning agent such as CTC / Trichloro-ethylene to remove carbon deposits and other contaminants.(c) Checking of vacuum interrupter assembly and main contacts and ensuring correct contact alignment and condition.(d) Checking the condition and operation of the spring charging motor and gearbox, testing closing and tripping coils, servicing the motor, and lubrication of bearings and moving parts as required.(e) Checking, adjusting, and setting of ratchet wheel assembly, driving mechanism, and charging parts for smooth and reliable operation.(f) Inspecting all bolts, nuts, pins, and ensuring collar pins are correctly positioned, tightened, and free in operation. |
| 2 | (g) Applying petroleum jelly to moving contact arms and applying approved insulating solution (Doctor Beck or equivalent) to insulated moving parts of the breaker, followed by final re-assembly, testing, and commissioning of the VCB.(h) The item includes all labour, tools, tackles, consumables, minor hardware, and materials necessary to put the breaker into fully serviceable condition, complete all as specified and as directed by the Engineer-in-Charge.Note:The cost of all incidental materials and consumables such as bolts, nuts, washers, spring washers, petroleum jelly, contact cleaner (CTC), insulating solution, etc., required to make the breaker serviceable shall be deemed to be included in the quoted rate. Replacement of major defective components, if required, shall be measured and paid separately under relevant items. |
| 3 | M&L for calibration and testing of protection relays of any type and make by conducting primary current injection tests on 11 kV HT VCB/OCB panels, including connected auxiliary relays, by injecting current as per the primary ratio of CTs through CT busbar terminals and associated protective relays/tripping coils.The item includes verification and setting of relay parameters, checking and rectification of defects in control wiring, if any, to ensure correct tripping of circuit breaker, achievement of proper discrimination and coordination in tripping time with upstream breakers, and setting based on actual load conditions.The work further includes complete testing, recording of observations, preparation and submission of detailed test reports with recommendations, complete all as specified and as directed by the Engineer-in-Charge. |
| 4 | Note:Calibration and testing of VCBs/OCBs shall be carried out by an authorised technician of the OEM, duly approved by the GE. The contractor shall provide all necessary testing kits, primary injection test equipment, tools, tackles, and instruments, and prepare panel-wise detailed test reports, duly bound, and submit the same to the department. The cost of all testing kits and equipment shall be deemed to be included in the quoted rate. Testing and tuning shall be carried out in the presence of the Engineer-in-Charge to the full satisfaction of the department, failing which payment for this item shall not be made. No claim whatsoever from the contractor shall be entertained on this account. |
| 5 | Supply and fixing in replacement of the following spare parts for 11 kV Vacuum Circuit Breaker (VCB) of rating 400 Amp to 800 Amp, during servicing/overhauling, matching the existing type, make, and specifications, including removal of defective parts, fitting of new parts, adjustment, testing, and making the VCB fully serviceable, complete all as specified and as directed by the Engineer-in-Charge. |
| 6 | Isolating contact, flat type, suitable for 11 kV VCB of rating 400–800 Amp, complete all as specified and as directed by the Engineer-in-Charge. |
| 7 | Vacuum interrupter suitable for 11 kV VCB, of capacity up to 650 Amps, complete all as specified and as directed by the Engineer-in-Charge. |
| 8 | Vacuum interrupter suitable for 11 kV VCB, of capacity up to 800 Amps, complete all as specified and as directed by the Engineer-in-Charge. |
| 9 | Closing Coil suitable for 11 kV VCB of existing make and model, complete all as specified and as directed by the Engineer-in-Charge. |
| 10 | Trip Coil suitable for 11 kV VCB of existing make and model, complete all as specified and as directed by the Engineer-in-Charge. |
| 11 | Spring Charging Motor suitable for 11 kV VCB of existing make and rating, complete all as specified and as directed by the Engineer-in-Charge. |
| 12 | Digital Protection Relay compatible with existing CT ratio, suitable for existing model and make of VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 13 | Multifunction Meter suitable for VCB panel, compatible with existing make and wiring scheme, complete all as specified and as directed by the Engineer-in-Charge. |
| 14 | Ammeter (digital/analog type) suitable for 6.6/11 kV VCB panel of existing make, complete all as specified and as directed by the Engineer-in-Charge. |
| 15 | Voltmeter (digital/analog type) suitable for 6.6/11 kV VCB panel of existing make, complete all as specified and as directed by the Engineer-in-Charge. |
| 16 | VCB Operating Mechanism Assembly suitable for 11 kV VCB of rating 650 Amp to 800 Amp, including closing coil voltage and motor voltage matching existing system, complete all as specified and as directed by the Engineer-in-Charge. |
| 17 | VCB Operating Mechanism Assembly suitable for 11 kV VCB of rating 400 Amp to 650 Amp, including closing coil voltage and motor voltage matching existing system, complete all as specified and as directed by the Engineer-in-Charge. |
| 18 | Breaker Auxiliary Switch suitable for 11 kV VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 19 | Motor Cut-off Switch suitable for 11 kV VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 20 | Ratchet Wheel suitable for VCB operating mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 21 | Ratchet Wheel Pin suitable for VCB mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 22 | Closing Coil Box Assembly suitable for 11 kV VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 23 | Trip Coil Box Assembly suitable for 11 kV VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 24 | Motor Cut-off Lever Assembly suitable for VCB operating mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 25 | Charging Pawl suitable for VCB spring charging mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 26 | Spring Buffer suitable for VCB operating mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 27 | Over-ride Stop suitable for VCB operating mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 28 | Over-ride Stop Pin suitable for VCB operating mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 29 | 24-Pin Plug and Socket Assembly suitable for VCB control circuit, complete all as specified and as directed by the Engineer-in-Charge. |
| 30 | Rack-In / Rack-Out Handle suitable for draw-out type VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 31 | Spring Charging Handle suitable for VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 32 | Limit Switch Assembly suitable for VCB operating mechanism, complete all as specified and as directed by the Engineer-in-Charge. |
| 33 | MI-COM / Numerical Digital Relay compatible with existing model, make, and CT ratio of VCB, complete all as specified and as directed by the Engineer-in-Charge. |
| 34 | Supply and fixing in replacement of Current Transformer (CT), ring type, HT cast resin, wound type, suitable for 11 kV system, with CT ratio 40–25 A / 5 + 5 A, dual core, having Protection core Class 5P10 and Metering core Class 1.0, with rated burden 15 VA, including mounting, secondary wiring/termination, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 35 | Supply and fixing in replacement of Potential Transformer (PT), resin cast, draw-out type, suitable for mounting on Bus PT truck, with the following specifications:System voltage 11 kV, 3-phase, 3-limb, insulation level 12 kV, frequency 50 Hz, voltage ratio 11 kV / 110 V, star/star connection, rated burden 100 VA, voltage factor 1.2 continuous and 1.5 for 30 seconds, conforming to relevant IS standards.The item includes dismantling of defective PT, fixing of new PT, electrical connections, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 36 | Supply, install, Testingand commissioning in replacement of Automatic Power Factor improvement capacitor (APFC)panelhaving aggregate capacity100KVARin8 stage with micro processorbased control ,factory made, double cabin (one for capacitor and other for control equipments)indoortype, floor mounted, suitable for 415 volts 3 phase 4 wire, 50 Hz AC supply system, havingduly insulated copper bus bars,dust and vermin proof, IP 54 class protection and made of 1.6 mm CRCA MS sheet and 40x40x6mm thick angle iron frame work,powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside,both side openingtype, with aprons for cable entry,with double door shutter and locking arrangement (including provn of 65mm Godrej (Navtal) lock with 2 keys,internal wiring with PVC insulated,solid copper conductor, FRLS cables, IS-694marked of adequate size but not less than 4.0 sqmm and comprising of followings:- Qty – 02 No (a) Main incoming MCCB 400 Amps 25 KA 3 pole, 415 Volts, 50Hz, C curve with copper spreader link- 1 No(b)Power factor corrector relay minimum 8 stage Microprocessor based, modular type , intelligentAPFC relay capable of having self adjustment to any capacitor value suitable to maintain power factor between 0.95 to 0.99 with digital indication of power factor, preset parameters and having in built capability of indication and elimination of defective capacitor steps. - 01 No(c)Power factor Capacitor, 415 Volts, 3 phase, 50 Hz, MPP-H typeofunder mentioned capacity :- (i) 25 KVAR- 01 No (ii) 20 KVAR - 02Nos (iii) 10 KVAR - 02 Nos (iv) 5 KVAR -03 Nos(d)Capacitor duty contactor 415 Volts, 3 phase, 50 Hz, MPP-H typeofunder mentioned capacity :- (i) 33.5 KVAr-01 Nos (ii) 20 KVAr-02 Nos (iii) 12.5 KVAr- 02 Nos (i) 8.5 KVAr- 03 Nos(e)3 pole power contactor having AC3 rating -190 Amps, AC1 rating 380 Amp, 415 Volts, 3 phase, 50 Hz |
| 37 | (f)Resin cast CT 200/5 A one set of 3 complete. (g)Auto / MannualSelector Switch(h)ON – OFF Push Button(j)Additional Auxiliary Contactor 4NO+4 NC required for above mentioned items shall be included in quoted rates of L&T or equivalent inCrompton Greaves/ Siemens/ABB(k)Indicating light for all capacitorsON / OFF position Note :The equipment offered shall be complete in all respects. Any material and components not specifically stated in this specification but which is necessary for trouble free operation of the equipment and accessories specified in this specification, shall be deemed to be included unless specifically excluded. Theequipment shallconform in all respects to high standards of engineering design and workmanship and shall be capable of performing in continuous operation. |
| 38 | Supply, install, Testingand commissioning in replacement of Automatic Power Factor improvement capacitor (APFC)panelhaving aggregate capacity50KVARin5 stage with micro processorbased control ,factory made, double cabin (one for capacitor and other for control equipments)indoortype, floor mounted, suitable for 415 volts 3 phase 4 wire, 50 Hz AC supply system, havingduly insulated copper bus bars,dust and vermin proof, IP 54 class protection and made of 1.6 mm CRCA MS sheet and 40x40x6mm thick angle iron frame work,powder coated finish over one coat of red oxide primer outside and two coats of red oxide primer on inside,both side openingtype, with aprons for cable entry,with double door shutter and locking arrangement (including provn of 65mm Godrej (Navtal) lock with 2 keys,internal wiring with PVC insulated,solid copper conductor, FRLS cables, IS-694marked of adequate size but not less than 4.0 sqmm and comprising of followings (for 160 KVA transformers):- Qty – 01 No(a) Main incoming MCCB 250 Amps 25 KA 3 pole, 415 Volts, 50Hz, C curve with copper spreader link- 1 No(b)Power factor corrector relay minimum 5 stage Microprocessor based, modular type , intelligentAPFC relay capable of having self adjustment to any capacitor value suitable to maintain power factor between 0.95 to 0.99 with digital indication of power factor, preset parameters and having in built capability of indication and elimination of defective capacitor steps. - 01 No(c)Power factor Capacitor, 415 Volts, 3 phase, 50 Hz, MPP-H typeofunder mentioned capacity :- (i)20 KVAR - 01 No (ii) 10 KVAR - 02Nos, (iii) 5 KVAR-02Nos(d)Capacitor duty contactor 415 Volts, 3 phase, 50 Hz, MPP-H typeofunder mentioned capacity :- (i) 20 KVAr-01 Nos (ii) 12.5 KVAr-02 Nos (iii) 8.5 KVAr-02 Nos(e)3 pole power contactor having AC3 rating -95 Amps, AC1 rating 160 Amp, 415 Volts, 3 phase, 50 Hz, Make MNX 95 of L & T or equivalent. |
| 39 | (f)Resin cast CT 100/5 A one set of 3 complete. (g)Auto / MannualSelector Switch(h)ON – OFF Push Button(j)Additional Auxiliary Contactor 4NO+4 NC required for above mentioned items shall be included in quoted rates of L&T or equivalent inCrompton Greaves/ Siemens/ABB(k)Indicating light for all capacitorsON / OFF position Note :The equipment offered shall be complete in all respects. Any material and components not specifically stated in this specification but which is necessary for trouble free operation of the equipment and accessories specified in this specification, shall be deemed to be included unless specifically excluded. Theequipment shallconform in all respects to high standards of engineering design and workmanship and shall be capable of performing in continuous operation. |
| 40 | M&L for calibration, testing, and commissioning of Master Relay (digital type) suitable for 6.6/11 kV VCB, compatible with the existing make and model, including carrying out functional checks, verification of settings, coordination with associated circuits, and restoration to serviceable condition.The item includes hire charges of testing kits, tools, and instruments, preparation of test records, and submission of reports, complete all as specified and as directed by the Engineer-in-Charge. |
| 41 | All as per Item No. 6.00 above, but for Under-Voltage Relay (digital type) suitable for 6.6/11 kV VCB, compatible with the existing make and model, complete all as specified and as directed by the Engineer-in-Charge. |
| 42 | M&L for disconnecting all HT connections and servicing, testing, and commissioning of HT Oil Circuit Breaker (OCB) of any existing make, rated 400 Amp to 800 Amp, suitable for 6.6/11 kV system, including dismantling, inspection, repair, re-assembly, testing, and making the breaker fully operational, complete all as specified and as directed by the Engineer-in-Charge, comprising the following works:(A)Dismantling the OCB from the enclosure, including interrupter assembly and socket contacts, checking the serviceability of all components, thorough cleaning, checking and alignment of closing and opening mechanisms, and re-assembling the complete unit.(B)Cleaning of external surfaces of bushings using approved contact cleaning agent such as CTC / Trichloro-ethylene to remove carbon deposits and other contaminants.(C)Checking of oil interrupter assembly and main contacts and replacement wherever necessary, ensuring proper contact condition and correct alignment.(D)Checking the condition and operation of the spring charging motor and gearbox, testing closing and tripping coils, servicing of motor, and lubrication of bearings and all moving parts as required. |
| 43 | (E)Checking, adjusting, and setting of ratchet wheel assembly, driving mechanism, and spring charging parts for smooth and reliable operation.(F)Inspection of all bolts, nuts, pins, and collar pins to ensure correct positioning, tightness, and free movement.(G)Calibration and functional testing of the OCB by conducting primary current injection tests, through skilled manpower, to verify correct operation and tripping performance.(H)The work includes testing, commissioning, and restoration of power supply after satisfactory completion, complete all as specified and as directed by the Engineer-in-Charge.Note:The cost of all spare parts, minor components, consumables, lubricants, hardware, and materials required to make the OCB fully functional shall be deemed to be included in the quoted rate. No extra payment shall be made on this account. |
| 44 | Material and labour for attending complaints of HT 6.6/11 kV electric power supply failure, immediately on receipt of complaint, through skilled electrician having minimum 5 years’ experience in HT electrical supply systems, including checking of HT breakers, identification and localization of faults, rectification of defects, testing, and restoration of power supply, complete all as specified and as directed by the Engineer-in-Charge.The quoted rate shall be deemed to include the cost of minor spares and consumables such as lugs, nuts, bolts, washers, fuses, electrical wires, and all tools and plants (T&P) required for attending complaints.Note:Detection of HT/LT cable faults using cable fault locator machine and rectification shall be carried out within 3 hours after receipt of complaint from the concerned JE (E/M) or Engineer-in-Charge. In case the restoration exceeds 3 hours, recovery shall be effected at ₹500 per hour for the delay beyond the stipulated period.Note:The cost of cable fault locating by machine and associated works such as replacement of cable joints, excavation, and earthwork shall be measured and paid separately under the relevant items. |
| 45 | Supplying, laying, jointing, testing, and commissioning of HT underground cable, XLPE insulated, screened, armoured, and PVC bedded, 11,000 volts grade (heavy duty), suitable for earthed system, with aluminium conductor, 3-core 240 sq.mm, conforming to IS:7098 (Part-II), laid in trenches, fixed to walls, or drawn through pipes as required, including making joints and terminations, testing, commissioning, and dismantling and removal of existing unserviceable cable, complete all as specified and as directed by the Engineer-in-Charge. |
| 46 | Ditto as per Item No. 10.00 above, but with 3-core 120 sq.mm aluminium conductor. |
| 47 | Ditto as per Item No. 10.00 above, but with 3-core 185 sq.mm aluminium conductor. |
| 48 | M&L for providing and fixing heat-shrinkable cable end termination (Indoor type) suitable for 6.6/11 kV, 3-core XLPE power cable with aluminium conductor, of size 50 sq.mm to 95 sq.mm, including dismantling of existing/old cable end termination of any description, preparation of cable ends, application of termination kit, testing, and making the system serviceable, complete all as specified and as directed by the Engineer-in-Charge. |
| 49 | M&L for providing and fixing heat-shrinkable cable end termination (Indoor type) suitable for 6.6/11 kV, 3-core XLPE power cable with aluminium conductor, of size 120 sq.mm to 185 sq.mm, including dismantling of existing/old cable end termination of any description, complete all as specified and as directed by the Engineer-in-Charge. |
| 50 | M&L for providing and fixing heat-shrinkable cable end termination (Outdoor type) suitable for 6.6/11 kV, 3-core XLPE power cable with aluminium conductor, of size 50 sq.mm to 95 sq.mm, including dismantling of existing/old cable end termination of any description, complete all as specified and as directed by the Engineer-in-Charge. |
| 51 | M & L cable End Termination Box, HEAT shrinkable, Outdoor type suitable for 6.6-11KV, 120 to 185sq.mm XLPE, 3 core power cable with aluminium conductor including dismantling old cable end termination of any description comp. all as specified. |
| 52 | M&L for providing and fixing heat-shrinkable cable end termination (Outdoor type) suitable for 6.6/11 kV, 3-core XLPE power cable with aluminium conductor, of size 120 sq.mm to 185 sq.mm, including dismantling of existing/old cable end termination of any description, complete all as specified and as directed by the Engineer-in-Charge. |
| 53 | M&L for providing and fixing straight-through joint (Heat-shrinkable, Outdoor type) suitable for 6.6/11 kV, 3-core XLPE power cable with aluminium conductor, of size 120 sq.mm to 185 sq.mm, including dismantling of existing joint/termination of any description, complete all as specified and as directed by the Engineer-in-Charge. |
| 54 | M&L for providing and fixing straight-through joint (Heat-shrinkable, Outdoor type) suitable for 6.6/11 kV, 3-core XLPE power cable with aluminium conductor, of size 240 sq.mm to 400 sq.mm, including dismantling of existing joint/termination of any description, complete all as specified and as directed by the Engineer-in-Charge. |
| 55 | Material and labour for dismantling HT cable connections of existing size from VCB / transformer or any other location, including checking continuity of the HT cable using HT megger, detection of fault either manually or with HT cable fault locating machine, site clearance, and excavation in any type of soil strata or road surface, manually or with the help of JCB, for locating and rectification of HT cable faults.The item further includes fixing of HT straight-through joint, testing in the presence of JE (E/M) / Engineer-in-Charge, spreading of river sand over the joint, providing and fixing HT cable protective cover, refilling of excavated area, and making good disturbed surfaces to original condition, complete all as specified and as directed by the Engineer-in-Charge.Notes:(i) The cost of hiring HT cable fault locating machine, HT megger, JCB for excavation, and all materials required for making good the site as per existing conditions shall be deemed to be included in the quoted rate.(ii)HT cable joints, HT cable length, sand cushioning, and protective cable covers shall be measured and paid separately under the relevant items of the schedule.(iii)Detection of HT cable fault and its rectification, including fixing of HT cable joint, shall be completed within 12 hours of receipt of complaint from the concerned JE (E/M) / Engineer-in-Charge. In case restoration exceeds 12 hours, recovery shall be effected at ₹1000 per hour for the delay beyond the stipulated time. |
| 56 | M & L for (i) Disconnecting the HT/LT side and earthing connections of the transformer, (ii) Lifting transformer with the help of crane, loading on suitable vech to transport it to the workshop at and Unloading at workshop for servicing (iii) Dismantling of HV/LV bushing, opening of top cover, disconnecting of connections of tap changer of transformer (iv) Draining out the complete transformer oil (v) Lifting up the core and winding assembly (vi)washing and cleaning the core, rewinding of all burnout, damaged coils of core and phase, transformer tank and radiator fins with help of pressurised transformer oil for removal of sludge and sludge deposit so as to make them free from dust, dirt and sludge deposit (vi)Heating and ovening of core and winding assembly complete in vaccuum chamber for 72 hours so as to remove any moisture content in the core/winding and attaining requisiteIR value, (vii) Retanking of complete core & winding assembly & fixing tap changer after servicing and testing, (viii) Refixing HV/LV bushing and making all internal connections, (ix)Providing new gasket packing minimum 12mm thick, including nut bolt washer complete, (x) Transporting transformer back to the site , Lifting it down with the help of crane and reconnectingthe HT/LT cable and earthing connections complete all as directed and of followings capacities: |
| 57 | 500 to 630 KVa, 6.6-11KV/433V |
| 58 | 631 to 1000kVA, 6.6-11KV/433V |
| 59 | Note for item no 21 :-(i) In case of damage during transportation/ loading/unloading at any stage after receipt of transformer from Dept, the contracor shall be responsible for damage and it shall be made good by him at his own expense. The decision of GE in the regards shall be final & biding. (ii) Transformer oil required for filling shall be measured and paid seperately (iii) All other major spares required shall be measured and paid sperately (iv) Rates are inclusive of testing of earthing before connection of transformer |
| 60 | M&L for shifting transformer up to 1000 kVA, 6.6/11 kV / 433 V, from any location, including lifting with suitable crane, transportation, placing at temporary location, and connecting HT and LT side cables to provide temporary power supply during repair of transformer.The item further includes disconnecting HT/LT connections before installation of the repaired transformer at original or designated location, and making the system safe, complete all as specified and as directed by the Engineer-in-Charge. |
| 61 | M&L in repairs for providing and fixing HV side brass studs, threaded at both ends, of suitable size and length, including metal and rubber rings, nuts, bolts, washers, and all associated hardware, suitable for transformers of capacity 500 kVA to 1000 kVA, indoor or outdoor type, 6.6/11 kV / 433 V, step-up or step-down, of any make and model, complete all as specified and as directed by the Engineer-in-Charge. |
| 62 | M&L in repairs for providing and fixing LV side brass studs, threaded at both ends, of suitable size and length, including metal and rubber rings, nuts, bolts, washers, and all associated hardware, suitable for transformers of capacity 500 kVA to 1000 kVA, indoor or outdoor type, 6.6/11 kV / 433 V, step-up or step-down, of any make and model, complete all as specified and as directed by the Engineer-in-Charge. |
| 63 | Supply and fixing in repairs of HV/LV side porcelain bushing / insulator of suitable size, suitable for transformers up to 1000 kVA, outdoor type, rated 6.6/11 kV / 433 V, step-down or step-up, of any make and model, including removal of defective bushing, fixing of new bushing, necessary hardware, testing, and making the transformer serviceable, complete all as specified and as directed by the Engineer-in-Charge. |
| 64 | Supply and fixing in repairs of silica gel breather container, complete with first fill of fresh transparent silica gel, suitable for transformers of capacity 500 kVA to 1250 kVA, including fixing, testing, and making operational, complete all as specified and as directed by the Engineer-in-Charge. |
| 65 | M&L for testing of dielectric strength (BDV) of transformer oil of indoor/outdoor transformers, rated 6.6 kV / 433 V, including testing before filtration, removal of moisture and impurities, and improvement of dielectric strength through oil filtration and dehydration process, using electrically operated transformer oil filtration plant.The work includes filtration of transformer oil to achieve a minimum BDV of 48 kV per minute for distribution transformers and 80 kV per minute for power transformers, when tested with a 2.5 mm electrode gap, including testing, recording of results, and submission of test report, complete all as specified and as directed by the Engineer-in-Charge.Notes:(i) Testing machine, transformer oil filtration plant, and dehydration facilities shall be provided by the contractor, and the cost thereof shall be deemed to be included in the quoted rate.(ii) New transformer oil, if required for topping up, shall be measured and paid separately under the relevant BOQ item. |
| 66 | Supply and filling of transformer oil conforming to IS: 335-1993, properly dehydrated and filtered to achieve BDV value not less than 50 kV, when tested with 2.5 mm gap electrode, including filling, testing, and making the transformer operational, complete all as specified and as directed by the Engineer-in-Charge. |
| 67 | Supply and filling of silica gel in airtight containers, suitable for dehydrating breathers of transformers, including filling, replacement, and making the breather operational, complete all as specified and as directed by the Engineer-in-Charge. |
| 68 | M & L for replacement of the following for 500 kVA to 1000 kVA,6.6/6.6-11KV/ 433V transformer:- |
| 69 | Oil level indicator |
| 70 | Tap changer |
| 71 | Dial type 100mm dia oil temp meter |
| 72 | Air release plug assembly |
| 73 | Drain plug |
| 74 | Gun metal oil drain valve 25mm /40mm |
| 75 | M&L for spray painting of indoor/outdoor type transformers, including step-up and step-down transformers of 6.6/11 kV / 433 V, installed at various locations, after thorough scraping and removal of existing corroded paint and rust, filling of cavities and surface imperfections, surface preparation, and applying one coat of silicon acrylic heat-resistant paint of approved quality and approved colour.The item further includes writing/marking of transformer details such as SM/MES number, rating, and identification particulars, complete all as specified and as directed by the Engineer-in-Charge.Note:Necessary shutdown of power supply shall be obtained by the contractor from the Engineer-in-Charge before commencement of work, and the electrical supply shall be restored at the earliest possible time after completion of painting. |
| 76 | Transformers of capacity 500 kVA to 630 kVA |
| 77 | Transformers of capacity above 630 kVA and up to 1000 kVA |
| 78 | Supply and fixing of Air Circuit Breaker (ACB) of rating 2500 Amp, EDO type, 4-pole, retrofit type, designed to suit and fit in the existing LT panel, including necessary mechanical and electrical modifications, mounting hardware, connections, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 79 | M&L for providing and fixing PVC display boards of approved size and thickness, duly lettered with computerised lettering displaying the following warnings/notices as applicable:“NO SMOKING”,“DANGER 11000 VOLTS” with skull and cross symbol,“NO ADMISSION EXCEPT ON DUTY”,“SM/MES No.”The boards shall be suitable for transformers, HT breakers, and DG sets, including all fixing accessories such as clamps, screws, bolts, and supports, and fixing on wall / fencing / pole at substations or equipment locations, complete all as specified and as directed by the Engineer-in-Charge. |
| 80 | M&L for providing and fixing standard electric shock treatment chart, printed in English and Hindi, duly framed and covered with glass, of size not less than 1.5 m × 1.5 m, including fixing arrangements, complete all as specified and as directed by the Engineer-in-Charge. |
| 81 | Supply , fixing, testing in repairsof JEF ECO SAFE Maintenance Free Grounding Solution set comprising of High tensile low carbon steel rod of 3 Mts length & 25 mm dia with 250 micron ( averaSchneider ) molecularly bonded copper on the outer surface to confirm with requirements of UL467 along with Back-fill compound strictly be a Carbon based conductive concrete type which has a resistivity of less than 0.12 Ohm Mtr as per Clause 14.5D of IEEE : 80 standard. Back-fill compound should be electronically conductive ( Like in metals ) and should not depend on moisture for conduction. JEF Powerfill Loresco compound shall be supplied in 50 Pound Bag. ( 1 Bag of 50 Pounds required per earthing set). Back-fill comound should be environment friendly, should solidify when mixed with water and set like concrete and should not leach / diffuse into the ground. A suitable earth terminaton clamp should also be supplied along with the set alongwith earth pit weatherproof incl all as specified .Note : Back-fill compund shall not be mixed with any soil while pouring in the bore hole. |
| 82 | Supply and fixing in repair of earth continuity conductor / main earthing lead of galvanised iron (GI) strip, of specified size, including straightening, cutting, bending, jointing, and fixing, laid on wall with batten, recessed in wall or chases, buried in ground, drawn through suitable size PVC conduit/pipe, or fixed to poles or any other indicated location, for loop earthing or continuity earthing, including all fixing accessories such as saddles, clamps, nuts, bolts, and washers, complete all as specified and as directed by the Engineer-in-Charge. |
| 83 | GI strip earth continuity conductor – 32 mm × 6 mm |
| 84 | GI strip earth continuity conductor – 25 mm × 4 mm |
| 85 | M&L for preparation of old surfaces of transformer foundation, including cleaning, scraping, removal of loose material, dust, oil, and dirt, and applying two coats of cement-based paint of approved make and shade, including all surface preparation, tools, and materials, complete all as specified and as directed by the Engineer-in-Charge. |
| 86 | M &L for test point terminal block made out of gun metal or phosphorus bronze size 75 x 25 mm drilled and screwed M&L for providing and fixing test point terminal block made of gun metal or phosphor bronze, size 75 mm × 25 mm, duly drilled and screwed, including providing and fixing three numbers 8 mm diameter, 25 mm long hexagonal head screws, fixing on steel structure with drilling, tapping, clamping, and all associated hardware, complete all as specified and as directed by the Engineer-in-Charge. |
| 87 | M&L for providing and fixing galvanised iron (GI) pipe, light grade, 100 mm diameter, including all fittings, bends, couplers, and clamps, fixed on poles, walls, or laid underground in trenches or under road crossings, for protection of underground cables, including excavation and refilling where required, complete all as specified and as directed by the Engineer-in-Charge. |
| 88 | M&L for providing and fixing galvanised iron (GI) pipe, light grade, 80 mm diameter, including all fittings, bends, couplers, and clamps, fixed on poles, walls, or laid underground in trenches or under road crossings, for protection of underground cables, complete all as specified and as directed by the Engineer-in-Charge. |
| 89 | Material and labour for cutting bituminous road surface, at a width not exceeding 45 cm and depth not exceeding 95 cm, for laying of pipes across road crossings for cable protection, including cutting, excavation, removal of debris, refilling, and making good the disturbed surface with PCC 1:3:6, finishing to match existing road surface, complete all as specified and as directed by the Engineer-in-Charge. |
| 90 | Supply and fixing in repairs of electrical insulation mat, conforming to IS: 15652-2006, having dielectric strength not less than 30 kV, insulation resistance not less than 1 MΩ, acid-resistant and flame-retardant, provided with auto-glow band for visibility.The insulation mat shall be of minimum thickness 2.5 mm, width 1.0 metre, and length up to 2.0 metres, suitable for use in electrical installations, including cutting to size, laying, and fixing in position, complete all as specified and as directed by the Engineer-in-Charge. |
| 91 | Supply and fixing of heat-shrinkable anti-tracking busbar tubing sleeve, suitable for 6.6–11 kV system, 50 mm diameter, for protection of VCB busbars, having flame-retardant properties and providing effective protection against moisture, dust, and environmental contamination.The item includes supply, installation, heating, shrinking, and fixing of sleeves along with all necessary accessories, making the busbar insulation complete and serviceable, complete all as specified and as directed by the Engineer-in-Charge.Approved Make: Jointmask – 1133 Series or equivalent. |
| 92 | Material and labour for dismantling, workshop servicing, refurbishment, testing, and re-installation of 6.6/11 kV Ring Main Unit (RMU), complete all as specified and as directed by the Engineer-in-Charge, comprising the following operations:(a) Disconnecting HT side cable connections and earthing connections of the RMU at site. Lifting the RMU with the help of suitable crane, loading on appropriate vehicle, transportation to workshop, and unloading at workshop for servicing.(b) Servicing and refurbishment of HT RMU, including inspection and rectification of defects in mechanical and electrical components affected due to faults or ageing.(c) Testing of CTs, PTs, protection relays, and checking of complete control wiring, including continuity and functionality checks.(d) Carrying out High Voltage (Hi-Pot) testing of 6.6/11 kV RMU after servicing to ensure insulation integrity.(e) Packing the RMU in seaworthy wooden packing, suitable for safe transportation, as per RMU size.(f) Transportation of RMU back to site, unloading, lifting with crane, positioning at designated location, reconnection of HT side cables and earthing with all necessary accessories, followed by testing and commissioning to restore the RMU to serviceable condition.Note:(a) Cost of transportation of RMU from site to workshop and back, including loading, unloading, crane charges, and packing, shall be deemed to be included in the quoted rate.(b) Spare parts required for repair/replacement shall be measured and |
| 93 | Supply and fixing of aluminium barrel lugs, suitable for 240 sq.mm aluminium conductor, including crimping and making proper electrical connections, complete all as specified and as directed. |
| 94 | Supply and fixing of heat-shrinkable sleeves, 450 mm length, suitable for HT cable terminations/connections of RMU, complete all as specified and as directed. |
| 95 | Servicing, testing, and refilling of SF₆ gas in RMU, including leak checking, pressure setting, and ensuring correct gas density as per OEM recommendations, complete all as specified and as directed. |
| 96 | Supply and fixing of gas pressure indicator suitable for 6.6/11 kV RMU, including testing and commissioning, complete all as specified and as direct |
| 97 | Supply and fixing of KUTSD6 connector suitable for 6.6/11 kV RMU, complete all as specified and as directed. |
| 98 | Supply and fixing of CATD M4 connector suitable for 6.6/11 kV RMU, complete all as specified and as directed. |
| 99 | Supply and fixing of end clamp connector suitable for 6.6/11 kV RMU, complete all as specified and as directed. |
| 100 | Supply and fixing of protection relay CSDPR-V2-200-D-L-N, suitable for 6.6/11 kV RMU, Alsthom / Areva or equivalent, including wiring, testing, and commissioning, complete all as specified and as directed. |
| 101 | Supply and fixing of multifunction meter EM6400 / METSEEM6400NGRSCL1, with RS-485 communication, Class-1 accuracy, including wiring, programming, testing, and commissioning, complete all as specified and as directed. |
| 102 | Supply and fixing of terminal protector rubber boot suitable for 6.6/11 kV RMU, complete all as specified and as directed. |
| 103 | Supply and fixing in repair of power factor capacitor, rated 5 kVAr, 415 Volts, 3-phase, 50 Hz, MPP-H (metallized polypropylene, heavy-duty) type, including removal of defective capacitor, mounting, connections, testing, and making the unit operational, complete all as specified and as directed by the Engineer-in-Charge. |
| 104 | Supply and fixing in repair of power factor capacitor, rated 10 kVAr, 415 Volts, 3-phase, 50 Hz, MPP-H type, including fixing, connections, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 105 | Supply and fixing in repair of power factor capacitor, rated 20 kVAr, 415 Volts, 3-phase, 50 Hz, MPP-H type, including fixing, connections, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 106 | Supply and fixing in repair of capacitor-duty contactor, suitable for 8.5 kVAr capacitor bank, rated 415 Volts, 3-phase, 50 Hz, including removal of defective contactor, fixing, wiring, testing, and making the circuit operational, complete all as specified and as directed by the Engineer-in-Charge. |
| 107 | Supply and fixing in repair of capacitor-duty contactor, suitable for 20 kVAr capacitor bank, rated 415 Volts, 3-phase, 50 Hz, including fixing, wiring, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 108 | M&L for providing and fixing danger notice plate made out of 1.6 mm thick mild steel sheet, vitreous enamelled white, marked for “11000 VOLTS”, with letters, numerals, and conventional skull and cross-bones symbol painted in signal red colour, suitable for HT installations.The plate shall be of size 25 cm × 20 cm and fixed using MS clamps, bolts, and nuts of approved size, complete all as specified and as directed by the Engineer-in-Charge. |
| 109 | Supply and fixing in replacement of integrated “all-in-one” type solar street light, complete with lithium ferro phosphate (LFP) battery, solar panel, and in-built solar charge controller, housed in pressure die-cast aluminium body, suitable for pole mounting with bracket and tilting arrangement at various angles.The luminaire shall have luminous efficacy not less than 175 lumens/watt and rated power not less than 40 W, including fixing, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge. |
| 110 | Supply and fixing in replacement of power pack set, including batteries, suitable for VCBs and OCBs, as per existing make and capacity, including control wiring and interconnections with HT breakers, in accordance with OEM recommendations.The item includes testing and commissioning in the presence of JE (E/M) / Engineer-in-Charge, complete all as specified and as directed. Note:The cost of all minor spare parts, consumables, lugs, wiring accessories, and incidental items required for completion of the work shall be deemed to be included in the quoted rate. |
| 111 | Material and labour for spray painting of VCB/OCB, using fire-retardant paint, matching the existing approved colour, including surface preparation, cleaning, masking, and application of paint, complete all as specified and as directed by the Engineer-in-Charge. |
| 112 | M&L for disconnecting, dismantling, repairing, overhauling, testing, and re-installation of existing HT 6.6/11 kV Vacuum Circuit Breaker (VCB) of any approved make, including taking out the breaker from its housing, thorough cleaning, rubbing, inspection, and overhauling of all mechanical and operating parts, and making the breaker fully serviceable for local and remote electrical operation of the panel.The work includes replacement, wherever required, of unserviceable (UNSV) trip coil, breaker spring charging motor, gear pinion, roller/limit switches, and reassembly of the VCB after repairs. The item further includes testing and commissioning, comprising insulation resistance (IR) test, continuity test, and functional tripping tests for earth fault and over-current protection of the panel, complete all as specified and as directed by the Engineer-in-Charge.Note:All spare parts of the VCB panel, if required to be replaced, shall be measured and paid separately as supply-only items under the respective items of this schedule. |
| 113 | Supply and fixing in replacement of lead-acid battery, 180 Ah capacity, 25-plate, 12 volts, with initial charged condition, suitable for control and protection circuits of HT switchgear, including placing in position, terminal connections, testing, and making operational, complete all as specified and as directed by the Engineer-in-Charge. |
| 114 | Supply in replacement of rubber insulating hand gloves, pair of two, suitable for working on HT systems up to 33 kV, conforming to the relevant Indian Standards, ISI marked, approved by GE, including testing certificate where applicable, complete all as specified and as directed by the Engineer-in-Charge. |
| 115 | Excavation in trenches, for foundation of poles, stays or for laying of cables, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out as in soft / loose soil complete all as specified & directed. |
| 116 | Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soft/loose soil completer all as specified and directed. |
| 117 | Removing excavated material(soil) not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete. |
| 118 | M&L for supplying and laying reinforced precast concrete cable covers, Class EHV, Type-1 with peak, of size 300 mm × 180 mm × 40 mm, laid over burnt bricks, placed dry and flat across the axis of the cable, abutting each other, with gaps between adjacent covers not exceeding 10 mm, including alignment, leveling, and making good, complete all as specified and as directed by the Engineer-in-Charge. |
| 119 | M&L for sand cushioning to underground cable in trencheswith clean dry river sand for protection of cable complete all as specified and directed. |
| 120 | M&L for boring /drilling by machines/manual horizontallyunder the road in any type of soil without cutting /disturbing the existing road and inserting GI pipe of any size for drawing the cable. complete all as specified & as directed. |
| 121 | Supply and fixing in replacement of integrated “all-in-one” type solar flood light, IP-66 protection, complete with lithium ferro phosphate (LFP) battery of minimum 25.6 V, 30 Ah, solar panel, and in-built solar charge controller, housed in pressure die-cast aluminium body, suitable for mounting on stand or pole with bracket and tilting arrangement at various angles.The luminaire shall have luminous efficacy not less than 170 lumens per watt and rated capacity not less than 100 W, including fixing, testing, and commissioning, complete all as specified and as directed by the Engineer-in-Charge.Approved Make: Crompton / Philips or equivalent.Note:The cost of supply and fixing of required stands, brackets, and mounting accessories for installation of solar flood lights shall be deemed to be included in the quoted rate. |
| 122 | M&L for draining out transformer oil and cleaning of conservator oil tank of transformers up to 1000 kVA capacity, including opening of conservator, removal of sludge and deposits, thorough internal cleaning, replacement of rubber cork gasket of existing size, refitting, and refilling of transformer oil after cleaning, followed by making the system leak-proof and serviceable, complete all as specified and as directed by the Engineer-in-Charge. |
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| 1 | Click here to download tender document | Tender Documents |
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| 4 | Click here to download tender document | Tender Documents |
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