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| 1 | Auto-Transformers/Power Transformers :- A) Checking of Auto starting of fans, External cleaning of radiators,oil pumps OFAF/ONAF,Cleaning and checking of marshalling boxes of transformer/reactor and OLTC, (ii) Tightening of terminations, Checking of OLTC driving mechanism, Electrical checking/ testing of pressure relief device, Buchholz relay, OLTC surge relay/ checking of alarm/ trip and checking/ replacement of the gaskets of the terminal box, Checking / Tightning of earthing connections, Checking of earth resistance of Neutral, Replacement of Silca Gel of breathers and oil toping of transformers and tightning of bushing clamps on HV/IV/LV sides of 400 MVA,160 MVA,150 MVA Auto transformers and 20MVA to 50MVA Power transformers.Checking of space heater and illumination,etc.Required as per schedule of maintenance. |
| 2 | 133.33MVA , 220/132 KV |
| 3 | 160 MVA , 220/132 KV |
| 4 | 150 MVA , 220/132 KV |
| 5 | 53.33 MVA , 220/33 KV |
| 6 | 50 MVA , 132/33 KV |
| 7 | 50 MVA 132/66 KV |
| 8 | 31.5 MVA 132/11 KV |
| 9 | Routine Maintenance of Auxilliary Transformers including checking of gaskets,checking and tightening of earthing connections,tightening of bushing clamps,replacement of Silica Gel,etc |
| 10 | 1MVA, 66/11KV Auxilliary Transformer |
| 11 | 250KVA, 33/0.440 KV Auxilliary Transformer |
| 12 | 250KVA, 11/0.440 KV Auxilliary Transformer |
| 13 | Miscellaneous works related to maintenance of Various Transformers at all voltage levels: |
| 14 | Draining/ De-sludging of transformer oil of transformers |
| 15 | Filling of oil, filtration and dehydration of transformer including installation of vacuum pump to be provided by the Department. |
| 16 | Reparing/replacement of cooling fans of transformers including replacement of damaged winding, bearing etc. |
| 17 | Lifting of top lid of power transformer for complete physical inspection & replacement of gaskets. |
| 18 | Replacement of damaged core bolts/Earthing strip etc. |
| 19 | Making temporary arrangements for carrying out filtration round the clock including setting up of temporary shed. |
| 20 | Carriage of Filtration Plant/Oil Storage Tank along with pipes and accessories with the help of crane/labour from Divisional Stores/Stacking Site to work site. |
| 21 | Maintt. Of Filteration plant by way of replacement of Mobile, Filter pads, MCB's switches etc for effective Filteration. |
| 22 | Testing of Transformer:- |
| 23 | Testing of Transformer:- Tandelta testing of bushing/ winding & BDV testing of transformer oil.other tests on the transformer like ratio test, IR value/ Magnetic balance/ short circuit test etc, kits for testing shall be provided by the department. |
| 24 | DGA and PPM of Transformer from accredited laboratories. |
| 25 | Replacement of damaged/outlived bushing having high tan delta including crane/ mechanical equipment if required. |
| 26 | 220 KV Bushing |
| 27 | 132 KV Bushing |
| 28 | 66 KV Bushing |
| 29 | 33 KV Bushing |
| 30 | Overhauling of Circuit Breaker :- VCB/MOCB/SF6Checking of oil/gas pressure drop during duty cycle operation check, Checking of auto-starting / stopping of oil pump,pressure switch setting,etc, Checking of healthiness of accumulator by checking the pre-charging pressure when building up pressure from zero, Checking of operation of safety valve, Cleaning of breaker units, checking of protection equipments and replacement of defective ones, i.e., complete inspection and testing of SF6/VCB/MOCB type circuit breakers inclusive of operating mechanism.Checking of driving mechanism, trip/closing circuits/ checking of spring charge motor and checking of tripping and closing coils.checking of equipment earthing and strucure earthing. Maintaning gas levels, venting of circuit breakers, replacement of o-rings , gas kits including circuit breaker analysis by Circuit breaker analyser.Checking of space heater and illumination.Required as per schedule of maintenance |
| 31 | 220KV SF6 Breaker |
| 32 | 132KV SF6 Breaker |
| 33 | 66 KV MOCB/SF6 |
| 34 | 33 KV VCB |
| 35 | Replacement of damaged pole of the circuit Breaker including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store. |
| 36 | 220KV SF6 Breaker |
| 37 | 132KV SF6 Breaker |
| 38 | 66 KV MOCB/SF6 |
| 39 | 33 KV VCB |
| 40 | Repairing/Replacement of Single phase Spring Charging motors of Vacuum and SF6 Circuit Breakers. |
| 41 | Replacement of Vacuum circuit Breaker including dismantling of the old/damaged Equipment,carriage from divisional store to the site of work,erection of new breaker and back carriage of the damaged equipment to the divisional store. |
| 42 | CVT's /CT's /PT's :- Visual checking of earthing HF point (in case it is not being used for PLCC,Checking of any breakage or cracks in porclean insulator, Cleaning of CVT capacitor stacks and tightness of terminal connections,Checking and tightness of all connections including earth connections.Checking of healthiness of gaskets, Checking of neutral earthing in CVT, healthiness of all gaskets and oil level and its topping.Measurement of IR value and tightening of all connections and droppers.Primary injection test of CT/PT, Tan delta,knee point value, burden etc. |
| 43 | 220 KV |
| 44 | 132 KV |
| 45 | 66 KV |
| 46 | 33 KV |
| 47 | Plugging of oil leakages including replacement of worn out gaskets,etc |
| 48 | Replacement of damaged CT/PT including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store. |
| 49 | 220 KV |
| 50 | 132 KV |
| 51 | 66 KV |
| 52 | 33 KV |
| 53 | Surge Arrestors :-Checking of leakage current(third harmonic resistive current), Testing of counters and leakage current meters, Cleaning of insulators, Checking of earth connections between surge arrester,surge monitor and earth, Checking of leakage current after cleaning of porcelain surface, cleaning of LA insulators. Measurement of IR value and tightening of droppers. |
| 54 | 220 KV |
| 55 | 132 KV |
| 56 | 66 KV |
| 57 | 33 KV |
| 58 | Replacement of damaged Surge Arrestor including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equiupment to the divisional store. |
| 59 | 220 kV |
| 60 | 132 kV |
| 61 | 66 kV |
| 62 | 33 KV |
| 63 | Isolators :- Maintenance of linkages including transmission gears, stopper bolts. Cleaning of auxiliary switch contacts and greasing with silca grease, cleaning of support insulators, termination contacts, checking of electrical / mechanical interlocks with E/S and CB, mounting bolts, alignment, nuts, pins, space heater, illumination, healthiness of gaskets, auxiliary contacts, alignment of earthing blades, operation of earth switch, almunium / copper flexible conductor, earth connections of structures and MB. lubrication of operating mechanism, hinges lock joints, levers, bearings, main contacts, cleaning of post insulators, tightening of clamps. |
| 64 | 220 kV |
| 65 | 132 kV |
| 66 | 66 kV |
| 67 | 33 KV |
| 68 | Replacement of damaged Isolators including carriage of the Equipment from divisional store to the site of work and back carriage of the damaged equipment to the divisional store. |
| 69 | 220 kV |
| 70 | 132 kV |
| 71 | 66 kV |
| 72 | 33 KV |
| 73 | Reparing/Replacement of Three phase motors of isolators including replacement of damaged winding and bearing. |
| 74 | Droppers/Jumpers/Clamps: |
| 75 | Replacement of damaged / burnt droppers or jumpers of isolators/ breakers/transformers /CT/PT etc. in220/132/66/33 KV Yard. |
| 76 | Replacement of damaged/burnt PG/ PAD/T/CT/Bushing clamp etc. in 220/132/66/33 KV Yard. |
| 77 | Tightening/replacement of nuts and bolts of Clamps/Jumpers/Droppers in 220/132/66/33KV yard |
| 78 | Post Insulators :- Checking of insulators for cracks and cleaning of insulators and its replacement, if required. |
| 79 | 220 kV |
| 80 | 132 kV |
| 81 | 66 kV |
| 82 | 33 KV |
| 83 | Illumination System :- |
| 84 | Checking of healthiness of fittings in street lights,station buildings, outdoor switch yard, Tightening of terminals, etc. and replacing damaged wire and lamp with the help of skylift crane |
| 85 | Replacement of damaged flood light/LED (100W,150W,200 W) with the help of crane/ladder in the outdoor switch yard. |
| 86 | Replacement of LED/CFL along with fitting with the help of ladder in the control room/ division building/office complex |
| 87 | Battery Bank:Checking and cleaning of battery cell terminals, application of petroleum gelly, if required, conduction of battery impendence test and discharge test checking voltage temperature, current, sp. Gravity of individual cells as well as terminals voltage, battery discharge testing etc.Checking of positive/Negative earth fault of dc.Terminal tightening. |
| 88 | Battery Charger :- Checking of control cards, measurement of test point voltage values, testing of DC earthfault and U/V relays, IR measurement of charger transformer, checking of earthing etc. Checking of charger panel / DCDB for electrical connections, cleanliness etc. |
| 89 | Repair of battery charger by way of replacement of PCB Cards, Relay, meters, contractor, coils, Fan etc as per site requirement |
| 90 | Protection System :- Checking of relays and application of CCl4 for cleaning, replacement of worn out / defunct relays, checking and replacement of control wiring, if required, primary & secondary injection testing,software settings etc. |
| 91 | Cleaning of cable trenches/ ducts including of dressing of cables, trays, racks , repair of damaged duct covers etc |
| 92 | sub main |
| 93 | T-off |
| 94 | Gantry Columns and Beams :- Tightening of all nuts / bolts and providing of missing nuts / bolts and replacement of damaged members. |
| 95 | 220 kV |
| 96 | 132 kV |
| 97 | 66 kV |
| 98 | 33 KV |
| 99 | L.T. Transformer :-Testing of oil BDV, IR measurement, Testing /checking of OTI,WTI and Buchholz (if provided, Checking of healthiness of Pressure relief diaphragm, Checking healthiness of Buchholz relay. |
| 100 | L.T. Panel:Cleaning of panels,bus bar insulators etc. Relays Testing, Tightning of all electrical connections,Checking of indicating meters ,Check for change-over facility, if provided,Check operation /indications in OFF Load condition of MCCB, |
| 101 | Earthing Mat :- Measurment of earth resistivity, checking of electrical continuity of equipment earthings, tightening of earthing connectors, removal of rust from bolted earth connectors and tightening and additional earthing wherever required.220/132/66/33 kV |
| 102 | DC Distribution Board :-Checking of connections, wiring, replacement of wiring if needed and checking of healthiness of all D/C and dc circuits of 220/132/66/33 KV yards |
| 103 | AC Distribution Board :-Checking of connections, wiring, replacement of wiring if needed,fuses,MCB,bus bar CT, relays,MFM,LT switchs etc and checking of healthiness of all connections and AC circuits of 220/132/66/33 KV yards |
| 104 | Control cables:-Replacement of damaged/outlived/burnt control cables of different cores including proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers before taking up work and placing them back after completion of work. |
| 105 | below 10 core |
| 106 | above 10 core |
| 107 | Marshalling kiosk:-checking of all Terminal blocks, space heaters, light illumination, checking of all connnections and its cleaning. Fixing of cable glands earthing and checking of all other electrical accessories . |
| 108 | Capacitor Banks :-Checking/ tightening of capacitor cells terminals, reactor and checking its wiring connection and its control circuit.etc |
| 109 | Replacement of damaged contactors/MCB in Marshalling Kiosk, Distribution Boards, Transformer MK's etc. |
| 110 | BUS BAR :-Replacement of damaged ACSR Conductor along with its fittings by lowering down the conductor, removing of fittings & clamps, replacing the conductor and re-erecting the string after replacement. |
| 111 | 220 KV yard |
| 112 | 132 KV yard |
| 113 | 66 KV yard |
| 114 | 33 KV yard |
| 115 | Automatic voltage regulator:-checking and tightening of connections, auto control unit, oil and its overhaulling |
| 116 | Diesel Generator set: Maintenance and checking of its operation, air filter, oil filter, fan conveyer belt, charging battery, AMF Panel etc. |
| 117 | Removal of wild vegetation/Deweeding of switch yard |
| 118 | Painting of outdoor equipments (Transformers, MK's, CT/PT/CVT, Protection wall, Circuit breaker, isolators,Steel tubular/PCC poles, joist etc. |
| 119 | Painting of 50 MVA Power Transformer |
| 120 | Painting of 133.33/160MVA/150MVA Auto Transformer |
| 121 | Repairing of fire protection wall including painting |
| 122 | AC Units: Checking and Servicing of Installed AC unit inside control room (1- 3 Ton) |
| 123 | White-Washing of Control Room/Residencial Quarters/Office building at Grid Station. |
| 124 | Upkeep of Sanitary installed in the control room/ office building/division building/residential quarters/Toilets and replacement of any damaged item if required. |
| 125 | Upkeep of electrical accessories installed in the control room/ office building/division building/residential quaters/Toilets and replacement of any damaged item if required. |
| 126 | Civil Works: |
| 127 | Providing and laying of cement concrete (1:5:10) |
| 128 | Providing and laying of cement concrete (1:2:4) |
| 129 | Providing and laying of cement concrete (1:3:6) |
| 130 | Providing and laying of cement concrete (1:1.5:3) |
| 131 | Providing and laying of RCC Works (1:2:4) |
| 132 | Providing and laying of RCC Works (1:1.5:3) |
| 133 | Providing and laying of RCC Works (1:3:6) |
| 134 | Plastering works |
| 135 | Applying wall putty |
| 136 | Painting with emulsion |
| 137 | Painting with Aluminium paint |
| 138 | Painting with Synethic enamal paint |
| 139 | Applying priming coat with red oxide |
| 140 | Maintaining of flower beds |
| 141 | Maintaining of lawns |
| 142 | Earth work in excavation |
| 143 | Store handling: |
| 144 | Unloading / Loading of CT/CVT/PT/LA/CB/C&R Panel/ bushing/ Isolators etc in divisional store Gladni including manual Carriage within store yard |
| 145 | 220KV |
| 146 | 132KV |
| 147 | Shifting and Stacking of CT/CVT/PT/CB/ C&R Panel/Isolators/LA/bushing etc in divisional store Gladni including manual Carriage within store yard |
| 148 | 220KV |
| 149 | 132KV |
| 150 | Shifting and Stacking of empty barrel/battery cell in divisional store Gladni including manual Carriage within store yard |
| 151 | Unloading / Loading/Stacking of Angle iron, Tor steel , Gantry structure material in divisional store Gladni Including manual Carriage within store yard |
| 152 | Unloading / Loading/Stacking of AC Distribution Board/DC Distribution Board in divisional store Gladni |
| 153 | Unloading / Loading/Stacking of PVC Control cables in store Gladni including manual Carriage within store yard |
| 154 | below 10 core |
| 155 | above 10 core |
| 156 | Unloading / Loading/Stacking of Transformer Oil in store Gladni including manual Carriage within store yard |
| 157 | Loading/unloading of Transformer Oil tank of 15000lts /25000lts with the help of crane. |
| 158 | Loading/unloading of Transformer Oil Filteration Plant 6000LPH with the help of crane. |
| 159 | Loading/unloading of Transformer Oil Filteration Plant 5000LPH with the help of crane. |
| 160 | Loading/unloading of Auxilliary transformers with the help of crane: |
| 161 | 33/0.44KV |
| 162 | 11/0.44KV |
| 163 | Providing of skilled/ semi skilled/ un skilled labour for the works which are not covered from S.No. 1 to 63 |
| 164 | Skilled labour(Electrician/Fitter) |
| 165 | Semi- skilled labour(Asstt. Electrician/Asstt. Fitter) |
| 166 | Un skilled labour |
| 167 | Carriage of T&P and other allied material from divisional store to the site of work and back carriage of T&P |
| 168 | From Divisional Store to Grid Station Gladni (Average distance 500 Mts) |
| 169 | From Divisional Store to Grid Station Miransahib (Average distance 17 Kms) |
| 170 | From Divisional Store to Grid Station Bari-Brahamna I (Average distance 17 Kms) |
| 171 | Transmission line S/C |
| 172 | Checking and tightening of jumpers |
| 173 | Replacement of damaged /burnt out jumpers |
| 174 | Fixing of damper/vibrator on earthwire/ACSR Conductor |
| 175 | Transmission line D/C :- ( Including carriage of T&P from stores and Shutdown Factor) |
| 176 | Checking and tightening of jumpers |
| 177 | Replacement of damaged /burnt out jumpers |
| 178 | Fixing of damper/vibrator on earthwire/ACSR Conductor |
| 179 | Replacement of damaged disc insulators |
| 180 | Tension string |
| 181 | Suspension string |
| 182 | Repairing of power conductor when lowering of conductor is necessary. Complete job including laying of conductor, making of compression joint, if any, rough sagging tensioning of conductor, fixing dead end assembly etc. upto span of 500 meter tension |
| 183 | Stringing and saging of ACSR conductor including sagging, tensioning, fitting of dead end assamblies etc.(complete job) |
| 184 | Repairing of ground wire when lowering of conductor is necessary. Complete job including laying of conductor, making of compression joint, if any, rough sagging tensioning of conductor, fixing dead end assembly etc. upto span of 500 meter tension |
| 185 | Stringing and saging of ground wire including sagging, tensioning, fitting of dead end assamblies etc.(complete job) |
| 186 | Survey of Transmission Line ( Which includes assessment of damaged foundation, protection wall, route allignment, corridor between tower to tower, components of towers etc.) |
| 187 | Tower S/C and D/C:-( Including carriage of T&P from stores and Shutdown Factor) |
| 188 | Foundation:-Repairing of damaged foundation and protection wall(Revetment) including back filling of earth with RCC concreating. |
| 189 | Provision of providing crate wall (Gabbon wall) |
| 190 | Tightening of nuts and bolts of tower superstructures replacement of missing ones. |
| 191 | a) Tower weight more than 4 tonnes to 7.5 tonnes |
| 192 | b) Tower weight more than 7.5 tonnes |
| 193 | Checking / tightening of tower footing earthing bolts and measuring tower footing resistance. |
| 194 | Branch cutting: under the coridor of 132 KV S/C and D/C transmission line 16 mtr and under tower structure |
| 195 | Replacement of missing tower members. |
| 196 | Reparing damaged conductor by using helical sleeve or Bolted or by shorting method with out lowering the conductor |
| 197 | Fixing of anti-climbing device/Bird Guard over S/C & D/C tower |
| 198 | Fixing of phase plates/No. plates/danger plates over S/C & D/C tower |
| 199 | Fixing of repair sleeves compression type for over ACSR conductor |
| 200 | Store handling: |
| 201 | Loading/Unloading of T&P Material for Transmission Line works including Four Sheaves pulley,Pulleys,Ropes,Compression machine etc in divisional stores Gladni including manual carriage within store yard. |
| 202 | Loading/Unloading of Cement in divisional store Gladni including manual Carriage within store yard |
| 203 | Loading/Unloading of tower material in divisional store Gladni including manual Carriage within store yard |
| 204 | Loading/Unloading of Disc Insulators/Fittings in divisional store Gladni Including manual Carriage within store yard). |
| 205 | Loading/Unloading of ACSR/AAA Conductor etc in divisional store Gladni Including manual Carriage within store yard. |
| 206 | Shifting and re-stacking of tower material within store premisis |
| 207 | Shifting and re-stacking of ACSR/AAA conductor within store premisis |
| 208 | Shifting and re-stacking of Disc Insulators/Fittings within store premisis |
| 209 | Providing of Skilled /Semi-Skilled / UnSkilled labour for the works which are not covered from S.No. 1 to 10 |
| 210 | Skilled Labour ( Rigger) |
| 211 | Semi-skilled Labour ( Asstt. Fitter) |
| 212 | UnSkilled Labour |
| 213 | Carriage of T&P and other allied material from divisional store to site of work and back carriage of T&P |
| 214 | Average distance upto 20 Km |
| 215 | Average distance upto 40Km |
| 216 | Average distance upto 60Km |
| 217 | Average distance upto 85Km |
| 218 | Providing and fixing of C.P Brass bib cock confirming to IS 8931 |
| 219 | Providing and fixing of PVC connection pipes and waste pipes |
| 220 | Providing and fixing of 10 Ltrs white viterous China flushing Cistern (European type) complete |
| 221 | Providing and laying of water proofing treatment on roof of office building/quarters |
| 222 | Providing and fixing of PVC pipes for drainage of roof water |
| 223 | Repair of existing Electrical wiring and fixtures including wire, switch and holders |
| 224 | Washing/dry cleaning of bed sheets/curtains |
| 225 | Repair and rewinding of ceiling/walls fans Please Enable Macros to View BoQ information |
