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| 1 | Preventive, Routine & Breakdown Maintenance of 66 kV Transmission line |
| 2 | Patrolling of 11KV/22KV/33 KV/66KV transmission line for fault detection/ finding hotspot with thermal camera/binocular or Inspection/check report for major maintenance work |
| 3 | Anchoring of Tower upto the span of 320 Meter |
| 4 | Carriage of T&P |
| 5 | Carriage of T&P items upto first 100 mtrs |
| 6 | Carriage of T&P above upto first 100 mtrs |
| 7 | Loading, unloading and carriage of insulators, fittings, discs etc |
| 8 | Loading/unloading of Disc insulators and other fittings in Mechanical Transport including manual carriage up to 50 meters |
| 9 | Carriage of Disc insulators and other fittings for every subsequent 50mtrs or part thereof |
| 10 | Planned/Breakdown Works |
| 11 | Tightening or replacement of worn out jumpers |
| 12 | Replacement of damaged Disc Insulators |
| 13 | Tension string |
| 14 | Suspension string |
| 15 | Repairing of Power conductor when lowering of conductor is necessary including laying of conductor, making of compression joint, rough sagging, tensioning of conductor, fixing dead end assebly etc. upto span of 500mts. Tension to tension (complete job). |
| 16 | Dismentalling and restringing of 200 sqmm ACSR Conductor (panther) |
| 17 | Dismentalling and restringing of Earthwire |
| 18 | Tightening of nuts & bolts of tower superstructures and replacement of missing ones |
| 19 | Branch cutting in a corridor of 66Kv line |
| 20 | Checking/Tightening of tower footing earthing bolts and measuring tower footing resistance |
| 21 | Replacement of missing tower member excluding Cost of material) |
| 22 | Restoration of snapped power conductor, complete job including making of compression joint, laying of conductor, rough sagging, tensioning of conductor, fixing dead-end assembly etc. upto span of 500mtr. Tension to tension. |
| 23 | Loading of conductor drum on turntable, unreeling single conductor, laying on ground/ariel rollers, for ACSR panther/Panther equvivalent conductor |
| 24 | Loading of conductor drum on turntable, unreeling single conductor, laying on ground/ariel rollers, for earth conductor |
| 25 | Stringing of 0.2 ACSR conductor 66kV in 66kV Line. |
| 26 | Stringing of 0.05 ACSR conductor (Rabbit) in 66kV line |
| 27 | Dismantling of Tower superstructure |
| 28 | Erection of Tower Superstructure |
| 29 | Manual carriage of Tower superstructure upto a lead of 1 km |
| 30 | Transporation of manpower and material |
| 31 | Preventive, Routine & Breakdown Maintenance of 66/11 kV Grid Stations |
| 32 | Power Transformer with OLTC:- inspection and maintenance of 66/11KV power Transformer . 1. Complete cleaning of Transformer, Marshalling Box, and Control Panel, tightening of bolts and replacement of damaged gaskets if required . 2. Checking and tightness and heating marks of Power Cables. Relugging of weak contacts. 3. Checking oil level in bushings and Top up when oil level is low.4.Topping of oil in conservator and OLTC when oil level is low . 5. Checking of OLTC mechanism, pressure relief device, Buchholz relays and respective protection system. 6. Checking of winding Resistance/IR, PI, BDV of oil.7.Healthiness of CT Circuits shall be checked. 8. Checking of alarm /Trip circuits, release of air from different points shall be done. 9. Checking the healthiness of control Ckt. Connections and various logics.10. Calibration OTI/WTI of Transformer .11.Periodic replacement of breather. etc |
| 33 | 6.3MVA to 20MVA |
| 34 | Topping of Transformer oil |
| 35 | Dehydration of Transformer Oil |
| 36 | Online dehydration/filteration 6.3 MVA to 20MVA |
| 37 | Replacement of damaged bushing, Bushing Gasket,etc. of Power Transformer including draining of oil, opening of connectors, dismantling of old damaged components and replacement by new ones, providing of connections etc. filling of filtered oil |
| 38 | Bushing rated 66 kV upto 132 kV |
| 39 | Bushing rated below 66 kV |
| 40 | Replacement/ Repairing of N-CT |
| 41 | Replacement of Gasket |
| 42 | Replacement of OTI and WTI |
| 43 | Replacement of Silica Gel |
| 44 | Replacement of Breather |
| 45 | SF6 Breaker (66-33 kV) :-Scope of work in Services for inspection and maintenance of SF6 Circuit Breaker : 1.Inspection and checking of SF6 leakages, refilling of SF6 density monitor and pressure setting replacement.2.Checking of close/trip mechanism from local and manual operation and associated indicators.3.Checking of spring charging operating mechanism and associated indicators. 4. Checking of door celing gaskets and replacement of damaged gaskets . 5. Checking of space heater and illumination system. 6. Checking of tightening of cable dressing, tightening of cable glands and lugs and replacement of damaged lugs if required. 7. Inspection of contacts and adjustment of various clearances. |
| 46 | Filling of SF6 Gas |
| 47 | Replacement of 66 kV Tripping/Closing Coil/ Contractors/ Relays etc |
| 48 | Replacement of damaged 66 kV SF6 circuit breaker by new one including dismantling of the damaged including making of cable connections. |
| 49 | Vaccum Circuit Breakers 11/22/33kV :-Scope of work in Services for inspection and maintenance of VCB Breaker : Dismantling, cleaning, greasing and assembling of hand pull out system, racking mechanism of chassis and positioning indicators. Alignment of breaker in panel for smooth racking-in/racking out operation shall be done and adjustments shall be done.Cleaning of 11 KV Panels by way of vacuum cleaner/air blower.Cleaning and tightness checking of CTs, PTs and control wiring connections in terminal blocks. Cleaning of contacts, checking of vacuum interrupter, tripping coils, closing coils Checking of Mechanical tripping mechanism, adjustment and alignment of mechanical parts etc. |
| 50 | 66/33 kV VCB |
| 51 | 11 kV VCB |
| 52 | Current Transformer (CT):- Scope of work in Services for inspection and maintenance of current transformer1.Checking/cleanning and tightning of all electrical connections ,CT secondary terminal, healthiness of secondary terminal bushing, checking, measurement of IR value and tightning of jumpers, arresting of leakages etc. oil level monitor, and topping of oil when oil indicator is low . Tightening of droppers for 66 KV 2. Measurement of CT sec resistance, ratio test, Magnetization characteristics and checking of primary connection strips. 3. Checking of dusts and visual inspection of any cracks in insulators of CTs.4.Checking tightness of foundation and equipment bolts.5.Cleaning of marshalling boxes, checking of healthiness of gaskets, junction boxes, carrying out BDV and testing of other parameters of oil. |
| 53 | 66 kV |
| 54 | 33-11 kV |
| 55 | Replacement of damaged 66 kV CT /PT by new one including dismantling of the damaged including making of cable connections |
| 56 | Replacement of damaged 66 kV CT /PT by new one including dismantling of the damaged including making of cable connections |
| 57 | Replacement of damaged 66 kV LA by new one including dismantling of the damaged including making of cable connections |
| 58 | Potential Tranformer / Capacitor Voltage Trasformer:- Scope of work in Services for inspection and maintenance of PTs /CVTs 1. Routine maintenance of 66 kV PTs, oil level monitor, and topping of oil . Tightening of droppers for 66 KV 2. Measurement of PT sec resistance, ratio test, Magnetization characteristics and checking of primary connection strips. 3. Checking of dusts and visual inspection of any cracks in insulators of PTs.4.Checking tightness of foundation and equipment bolts. 5. Cleaning of marshalling boxes, checking of healthiness of gaskets, junction boxes, carrying out BDV and testing of other parameters of oil. 6.Checking of earthing, healthiness of all gaskets and oil level, measurement of IR value and tightning of all connections. |
| 59 | 66 kV |
| 60 | 33-11 kV |
| 61 | Surge /Lightening Arrestor:- Checking of leakage cuurent after cleaning of procelain surface, measurement of IR value and tightning of droppers. |
| 62 | 66 kV |
| 63 | 33-11 kV |
| 64 | Islotaors:-Scope of work in Services for inspection and maintenance of Isolators : 1.Checking of moving/fixed contacts 2. Cleaning of Isolator contacts, greasing of contract, replacement of damaged contracts. 3. Checking opening/closing mechanism both manual and electrical, adjustment and alignment of blades. 4. Checking of earthing strips and Tightening of nuts and bolts.5. Cleaning of post insulators and auxiliary switches, contacts, tightening of nut-bolts etc for 66 KV Motorized/pneumatically controlled isolators. |
| 65 | 66 kV |
| 66 | 33-11 kV |
| 67 | Replacement of damaged 66 kV Isolator by new one including dismantlling of the damaged including making of cable connections |
| 68 | Replacement of damaged 66 KV post Insulators or providing additional post insulators. |
| 69 | Bus bar:- Replacement of Busbars with size up to 0.5 sq.inch. Including replacement of disc insulators if requirred ,tightening of clamps/jumpers.droppers etc. |
| 70 | Replacement of damaged /burnt out droppers/jumpers in switchyard |
| 71 | Replacement of damaged disc insulators |
| 72 | Replacement of damaged/burnt out clamps of sorts |
| 73 | Replacement of T-connector, PG Clamps |
| 74 | Drilling Holes of isolator pad clamps |
| 75 | Column and Beams:- Tightening of all nuts/bolts and providing of missing nuts/bolts and damaged members of 66 KV Gantry |
| 76 | Cleaning of trenches and drainage system of substation premises and switchyard of as per station |
| 77 | Illumination System:- Checking of healthiness of fittings in Station buildings, outdoor switch yard,lighting of pannels, tightening of terminals, maintenance/repairs of hi-mast lights etc. |
| 78 | Replacement of switchyard light/Flood lights |
| 79 | Battery Bank:- Scope of work in Services for inspection and maintenance of battery bank :: 1.Cleaning of battery surface, joints, all cell connectors and tightness checking of all joints. 2. Application of petroleum jelly/Battery Termination Protector at all joints, and damaged terminal contacts. 3. Checking the specific Gravity, Voltage and electrolyte level of each cell. 4.Topping up of cells with electrolyte wherever necessary.5.Checking the battery vent plugs and replacing wherever necessary 6. Cleaning of Battery Charger Panels internally and externally. 7.Checking of all electrical connections of charger Panels for tightness and cleaning. |
| 80 | Topping of electrolyte/distilled water |
| 81 | Replacement of Battery bank above 48 V |
| 82 | Replacement of Battery bank 30-48 V |
| 83 | Battery Charger:- Checking of control cards, measurement of test point voltage values, testing of D.C earth fault and U/V relays , IR measurement of charger transformer checking of earthing etc. checking of charger pannel/D.C.D.B for electrical connections, cleanliness etc. |
| 84 | Replacement of battery charger |
| 85 | Protection System:- Checking of relays and application of Carbon Tetra Chloride (CCl4) for cleaning, carrying out relay testing replacement of worn out defunct relays, testing of event logger/disturbance recorded if any, checking and replacement of control wiring if required, checking of semaphore and indication lamps etc. |
| 86 | EARTHING |
| 87 | Neutral/ Equipment/Pit /Grid Earthing :The Scope of work for inspection and maintenace of substation earthing system 1) Measuring of earth resistivity. 2) Checking of electrical continuity of equipment earthing. 3) Tightening of earthing connectors, removal of rust from bolted earth connections and re-tightening of (66/11 kV) (composite switch yard), watering of earting pits. |
| 88 | Chemical Earthing: The Scope of work for inspection and maintenace of bakelite based substation chemical earthing system if any : 1) Measuring of earth resistivity. 2) Checking of electrical continuity of equipment earthing. 3) Tightening of earthing connectors, removal of rust from bolted earth connections and re-tightening of (66/11 kV) (composite switch yard), watering of earting pits. |
| 89 | providing of Chemical Earthing (50mm dia G.l Pipe with Chemical bags) |
| 90 | Cutting /clearing of grass and bushes including uprooting of rank vegetation grass and trees and saplings of girth up to 30cm in the switch yard, store yard. |
| 91 | Scope of work for Maintenance of Switch Yard/Control Room and Approach Road |
| 92 | Weed/shingle clearance from the cable trenches of switch yards . |
| 93 | Watering of Earth Pit including water supply |
| 94 | Snow Clearence form Control Room/Approach Road |
| 95 | Scope of work for Maintenance and replacement of 11 kV Switchgears. |
| 96 | Checking AC/DC connection of all the switchgear in control room, Checking connection of Energy Meter, Amp meter, Volt meter, Auxiliary switches etc per panel |
| 97 | Installation of new 66-33 kV Vaccum circuit breaker panel including making of cable connections |
| 98 | Dismantling of the damaged 66-33 kV VCB panel including making of cable connections |
| 99 | Installation of new 11 kV Vaccum circuit breaker panel including making of cable connections |
| 100 | Dismantling of the damaged 11 kV VCB panel including making of cable connections |
| 101 | Replacement of spare parts of VCB |
| 102 | Installation of 11 kV , 185-630 sqmm, 3-core cable termination kit including removing of damaged part |
| 103 | Installation of 11 kV , 185-630 sqmm, 1-core cable termination kit including removing of damaged part |
| 104 | Installation of 11 kV , 185-630 sqmm, 3-core cable straight through jointing kit including removing of damaged part |
| 105 | Installation of 11 kV , 185-630 sqmm, 1-core cable straight through jointing kit including removing of damaged part |
| 106 | Replacement of Energy meter |
| 107 | Replacement of Tripping/Closing coil |
| 108 | Replacement of Fuse/blubs |
| 109 | Replacement of 16A- 100 A MCCB |
| 110 | Replacement of protection relays |
| 111 | Replacement of other spare parts of 11 kV panels |
| 112 | Replacement of Busbar of VCB panel |
| 113 | Replacement of 11 kV CT |
| 114 | Replacement of VCB Bottle per phase |
| 115 | Replacement of 11 kV PT |
| 116 | Repairing/Replacement of Industrial heat blower( per coil) |
| 117 | Repairing/Replacement of Industrial heat blower fan motor |
| 118 | Laying/closing of Power Cable of size in the existing masonry/ duct if required (control room to yard/Gantry) and other works |
| 119 | Laying of 50 mm² to 120 mm² (3 core, XLPE, Armoured) |
| 120 | Laying of 185 mm² to 630 mm² (3 core, XLPE, Armoured) |
| 121 | Laying of 185 mm² to 630 mm² (1 core, XLPE, Armoured) |
| 122 | Closing/Removing of 50 mm² to 120 mm² (3 core, XLPE, Armoured) |
| 123 | Closing/Removing of 185 mm² to 630 mm² (3 core, XLPE, Armoured) |
| 124 | Closing/Removing of 185 mm² to 630 mm² (1 core, XLPE, Armoured) |
| 125 | Laying and fixing of Control Cable of size 2.5 mm² to 35 mm² and any no. of Cores |
| 126 | Laying and fixing of One Control Cable of size up to 2.5 sq. mm and any no. of Cores |
| 127 | Laying and fixing of wire for heating and lighting of Control room |
| 128 | Maintanence of 2 pole 11/22/33 kV Gantry Strucuture |
| 129 | Replacement of 11/22/33 kV DO fuse |
| 130 | Replacement of 11/22/33 LA/ Pin Iinsulator |
| 131 | Replacement of 11/22/33 kV GO sets if required |
| 132 | Replacement/installation of GI or M/s Channel 08’ -12’ ft (75x40 or 100x50) on two pole structure |
| 133 | Erection of 8/9 M STpole by Providing & laying Cement bottoming of Poles.(with plantation depth equal ot 1/6th of the pole length) for HT/LT including pit excavation in all soil as per REC Standards ammended upto date._ |
| 134 | Laying and stringing of 50 mm² (Rabbit) ACSR conductor |
| 135 | Tightning of 11/22/33kV Jumpers |
| 136 | Fixing of 11kV/22 /33 kV Disc Insulator with fitting |
| 137 | Fixing of U/D Clamps |
| 138 | Repair of 11/22/33 kV GO sets if required |
| 139 | Auxiliary Transformer (11/0.4 kV) 25 to 100kVA:- Checking & inspection of transformer including drying/replacement of Silica Gel, conservator oil level , topping of oil, Measurement of IR values , dielectric strength of oil & BDV of oil, checking of OLTC, etc. external cleaning of radiators, bushings including arressting of leakages etc. |
| 140 | Replacement of damaged 11/0.4 kV transformer |
| 141 | Loading of 25 to 100 KVA transformer |
| 142 | Un loading of 25-100KVA transformer |
| 143 | Draging of 25-100KVA transformer up to 100 mts |
| 144 | Carriage of 25 to 100KVA Transformer from Divisional store to 66/11KV sub stations. |
| 145 | Maintenance of ATS Switches, Fire Alaram Systems etc. |
| 146 | Maintenance of deawtering normal 1 hp motor pumps including replacement of burn out coils etc. |
| 147 | Maintenance of deawtering Subsersible motor pumps including replacement of burn out coils etc. |
| 148 | Maintenance /repair of High Masts lights, Air conditioners installed at varoius Grid Sub Stations |
| 149 | Store handling of various equipments for Divisional Stores of STD Kargil/Leh including proper stacking of old damaged materials at respective Store Yard |
| 150 | Loading /un-Loading of 6.3MVA to 20 MVA Power Transformer |
| 151 | Loading /un-Loading of 66 kV SF6 Breaker and dragging upto 50 mtrs |
| 152 | Loading /Un-Loading of 66 kV CT/PT including carriage up to 50m |
| 153 | Loading/Un-loading of 66 kV isolators including Carriage up to 50m |
| 154 | Loading /un-Loading of 33/22/11 kV Breaker |
| 155 | Loading /Un-Loading of 33/22/11 kV CT/PT including carriage up to 50m |
| 156 | Loading/Un-loading of 33/22/11 kV isolators including Carriage up to 50m |
| 157 | Loading/Unloading of M.S Flat Iron/ channel/angle/tor steel including shifting to site/store upto 100 Mtrs |
| 158 | Loading /unloading of upto 24/30/48/110V battery set |
| 159 | Carriage of batteries from store to loading site or unloading site to battery bank |
| 160 | Loading/Un-loading of 66 kV lightening arrestor including carriage up to 50 meters |
| 161 | Loading/Un-loading of 33/22/11 kV lightening arrestor including carriage up to 50 meters |
| 162 | Sorting/loading/unloading /stacking of tower material /stubs/stub setting templates |
| 163 | Carriage of tower material /stubs/stub setting templates up to 100 meters |
| 164 | Loading/Unloading of Transformer oil Barrels |
| 165 | Loading/Unloading of 66 kV C&R Panels |
| 166 | Loading/Unloading of 33/22/11 kV C&R Panels |
| 167 | Loading and unloading of complete set of T&P like compressor, turn table,Fore-sheeve pulley,tower rollers etc |
| 168 | Loading /Unloading of 0.2/0.4/0.5 ACSR conductor |
| 169 | Unreeling/re-reeling of Old used Conductor/Fresh Conductor and cutting in required lengths |
| 170 | Reeling of Earth Wire |
| 171 | Filteration/Dehydration of Fresh Transformer Oil |
| 172 | Cutting, bending, of reinforced steel/ Chanel/Angle including loading unloading and carriage of the same |
| 173 | Sorting of Store sundries Viz. Dis Insulators, Clamps, Fittings, Bushings, Post Insulators etc. Collection & Carriage upto 25 Mtrs. |
| 174 | Loading /Unloading of Control Cables including proper stacking |
| 175 | Loading /Unloading of XLPE Cables including proper stacking |
| 176 | Loading /Unloading of 0.2/0.4/0.5 ACSR conductor |
| 177 | Shifting /proper stacking of panels/Breakers or the like carriage upto 10 Mtr. |
| 178 | Loadine /Unloadins of Nut and bolt |
| 179 | Shifting /proper stacking of panels/Breakers or the like carriage upto 10 Mtr. |
| 180 | Transportation of all etlniprnent's (Base rate) and other materials (subject to per engagement of departrnental vehicle) |
| 181 | For Tata Magic or equivalent (Up to 700 KG +/- 5%) (Base Rate Rs. 300 + Qouted Rate) |
| 182 | For Bolero Camper or equivalent (Up to 1200 KG +/- 5%) (Base Rate Rs. 400 + Qouted Rate) |
| 183 | For 607 Truck or equivalent (Up to 2.5 Ton +/- 5%) (Base Rate Rs. 600 + Qouted Rate) |
| 184 | For 6.7 or equivalent (Up to beyonf 2.5 Ton) (Base Rate Rs. 1000 + Qouted Rate) |
| 185 | Loading Unloading of Equipment |
| 186 | Switch Yard Earthing |
| 187 | Earth mate (with supply of earthing materials) |
| 188 | Laying of GI Flat Strip with connection to existing earthing system |
| 189 | Rod Electrode (With supply) |
| 190 | LABOUR CHARGES |
| 191 | Painting with synthetic enamel paint in Control Room buildings and allied quarters Including repairs of the same wherever required |
| 192 | Providing of skilled Electrician for one day |
| 193 | Providing of Line Erector for one day |
| 194 | Providing of skilled Fitter for one day |
| 195 | Providing of skilled Mason for one day |
| 196 | Providing of skilled Blacksmith for one day |
| 197 | Providing of skilled Carpenter for one day |
| 198 | Providing of skilled Painter for one day |
| 199 | Providing of Electrician for one day |
| 200 | Providing of skilled Labour for one day |
| 201 | Providing of skilled Tree/wood cutter for one day |
| 202 | Providing of labour for one day |
| 203 | SUBSTATION TESTING |
| 204 | Transformers Testing :1. Ratio Test2. SC Test3. Excitation Current Test/ Highpot Test4. Magnetic Balance Test5. Vector Group Test6. Induced High Voltage Test7. OLTC Operation - Local and Remote8. Protective Devices Operation Checks9. Stability Checks : For Differential & REFR Protection10. Winding Resistance Test11. Insulation Resistance Test12. Tan-Delta and Capacitance Test13. Transformer mounted protective Devices14. Sweep Frequency Response Analys |
| 205 | Breaker TestingTesting for insulation level/IR value, gas leakage, testing for travel time (C, O & CO & OC), trip and close timings. Local trip close test, remote trip and close test, tripping through relays, operation of interlocks, contact resistance test etc., DCRM |
| 206 | Testing of CTs and PTs andTesting of CT &PT Insulation resistance, polarity, ratio, excitation, Core identification, tan-delta & capacitance test. |
| 207 | Testing of NCTTesting of NCTs: Insulation Resistance, Polarity, Ratio, Excitation, Core Identification, Tan-Delta and Capacitance Test |
| 208 | Testing of Lightning ArrestorTesting of Lightning Arrestor Insulation resistance test, leakage current test, surge counter operation tes |
| 209 | Testing of relays:Testing of various relays |
| 210 | Testing of C&R Panels WiringIdentification, ferruling, crimping, termination of wires in C&R panels. Testing of control operations for closing tripping etc., interlock. Alarm annunciation & indication checks |
| 211 | Testing of 11kV Panel Wiring:Identification of wires, ferruling, crimping & termination of wires for annunciation, etc, Testing of relays, CIS, PTS & Breaker for operation |
| 212 | Dissolved Gas Analysis (DGA) |
| 213 | Hiring of Relay kit with Testing Enginee Please Enable Macros to View BoQ information |
