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| 1 | 220/132/33 KV Grid Stations |
| 2 | Auto-Transformers/Power Transformers :- A) Checking of Auto starting of fans, External cleaning of radiators,oil pumps, ONAF/OFAF cooling,Cleaning and checking of marshalling boxes of transformer 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 Auto transformers and 50MVA Power transformers.Checking of space heater and illumination,etc.Required as per schedule of maintenance. |
| 3 | 160 MVA , 220/132 KV |
| 4 | 50 MVA , 132/33 KV |
| 5 | 20 MVA , 132/33 KV |
| 6 | Routine Maintenance of Auxilliary Transformers including checking of gaskets,checking and tightening of earthing connections,tightening of bushing clamps,replacement of Silica Gel,etc |
| 7 | 250KVA, 33/0.440 KV Auxilliary Transformer |
| 8 | Draning/ De-sludging of oil of transformers |
| 9 | Filling of oil, filtration and dehydration of transformer including carriage of filteration plant to be provided by the Department. |
| 10 | Reparing of cooling fans of transformers including replacement of damaged winding, bearing etc. |
| 11 | Lifting of top lid of power transformer for complete physical inspection & replacement of gaskets. |
| 12 | Replacement of damaged core bolts/Earthing strip etc. |
| 13 | Testing of Transformer:- |
| 14 | Tandelta testing of bushing/ winding and winding resistance of Transformer. |
| 15 | SFRA testing including arrangement of KIT by successful bidder. |
| 16 | Turn Ratio testing of Transformer. |
| 17 | IR Testing |
| 18 | BDV testing of transformer oil |
| 19 | Low voltage testing: |
| 20 | Magnetic balance test |
| 21 | short circuit test |
| 22 | DGA and PPM of Transformer from accredited laboratories (it include cost of collection of sample from site, its delivery to the testing labortary and depositing back the sampling bottle) |
| 23 | Replacement of damaged/outlived bushing having high tan delta including crane/ mechanical equipment if required. |
| 24 | 220 KV Bushing |
| 25 | 132 KV Bushing |
| 26 | 33 KV Bushing |
| 27 | 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 kets including circuit breaker analysis by Circuit breaker analyser.Checking of space heater and illumination.Required as per schedule of maintenance |
| 28 | 220KV SF6 Breaker |
| 29 | 132KV SF6 Breaker |
| 30 | 33 KV VCB |
| 31 | Testing: VCB/MOCB/SF6Testing of SF6/VCB/MOCB type circuit breakers by Circuit breaker analyser Test kit. |
| 32 | 220KV SF6 Breaker |
| 33 | 132KV SF6 Breaker |
| 34 | 33 KV VCB |
| 35 | Replacement of damaged/defective pole of the circuit Breaker after thorough inspection, including its carriage from divisional store to the site of work and back carriage of the damaged/defective equiupment to the divisional store. |
| 36 | 220KV SF6 Breaker |
| 37 | 132KV SF6 Breaker |
| 38 | 33 KV VCB |
| 39 | Replacement of damaged/defective operating mechanism box of the circuit Breaker after thorough inspection, including its carriage from divisional store to the site of work and back carriage of the damaged/defective equiupment to the divisional store. |
| 40 | 220KV SF6 Breaker |
| 41 | 132KV SF6 Breaker |
| 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. Releasing of gas pressure if any. |
| 43 | 220 KV |
| 44 | 132 KV |
| 45 | 33 KV |
| 46 | CVT's /CT's /PT's :- Measurement of IR value, Tan delta, knee point value, burden etc. and tightening of all connections and droppers. |
| 47 | 220 KV |
| 48 | 132 KV |
| 49 | 33 KV |
| 50 | CVT's /CT's /PT's :- Primary injection test of CT/PT and tightening of all connections and droppers. |
| 51 | 220 KV |
| 52 | 132 KV |
| 53 | 33 KV |
| 54 | 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. It also includes the replacement of damged cntrol cable if any and making connection at secondary winding and in M.K box. |
| 55 | 220 KV |
| 56 | 132 KV |
| 57 | 33 KV |
| 58 | Surge Arrestors :-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. |
| 59 | 220 KV |
| 60 | 132 KV |
| 61 | 33 KV |
| 62 | Surge Arrestors :-Checking of leakage current(third harmonic resistive current) |
| 63 | 220 KV |
| 64 | 132 KV |
| 65 | 33 KV |
| 66 | 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. |
| 67 | 220 kV |
| 68 | 132 kV |
| 69 | 33 KV |
| 70 | 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. |
| 71 | 220 kV |
| 72 | 132 kV |
| 73 | 33 KV |
| 74 | 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. |
| 75 | 220 kV |
| 76 | 132 kV |
| 77 | 33 KV |
| 78 | Reparing of Three phase motors of isolators including replacement of damaged winding and bearing. |
| 79 | Droppers/JumpersReplacement of damaged / burnt droppers or jumpers of isolators/ breakers/transformers /CT/PT etc.220/132/33 KV Yard. |
| 80 | Clamps:Replacement of damaged/burnt PG/ PAD/T/CT/Bushing clamp/Transformer/Breaker clamp etc |
| 81 | Post Insulators :- Checking of insulators for cracks and cleaning of insulators. |
| 82 | 220 kV |
| 83 | 132 kV |
| 84 | 33 KV |
| 85 | Post Insulators :- Replacement of damaged/cracked Post Insulators. |
| 86 | 220 kV |
| 87 | 132 kV |
| 88 | 33 KV |
| 89 | Replacement of damaged Disc Insulators when lowering of conductor is necessary. |
| 90 | 220 kV |
| 91 | 132 kV |
| 92 | 33 KV |
| 93 | Illumination System :- Checking of healthiness of fittings in station buildings, outdoor switch yard, Tightening of terminals, etc. |
| 94 | Replacement of 90/200 watt LED in the outdoor switch yard |
| 95 | Replacement of LED/CFL along with fitting in the control room/ division building/office complex |
| 96 | Battery Bank:Checking and cleaning of battery cell terminals, application of petroleum gelly/anti rust spray if required and Checking of positive/Negative earth fault of dc.Terminal tightening. |
| 97 | Battery Bank:conduction of battery impendence test and discharge test checking voltage temperature, current, terminals voltage of individual cells, battery discharge testing etc. |
| 98 | 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. |
| 99 | 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 & secondery injection testing,software settings etc. |
| 100 | Cleaning of C&R panels including tightening of connection and replacement of damaged LED lamp or selector switches or SEM or othe meters. |
| 101 | Cleaning of cable trenches/ ducts including disposal of malba outside the premises of Grid Station. |
| 102 | sub main |
| 103 | T-off |
| 104 | Dressing of cables on trays/racks including repairing of trays/racks if required. |
| 105 | sub main |
| 106 | T-off |
| 107 | Repairing of damaged cable duct covers. |
| 108 | sub main |
| 109 | T-off |
| 110 | Gantry Columns and Beams :- Tightening of all nuts / bolts and providing of missing nuts / bolts and replacement of damaged members if required. |
| 111 | 220 kV |
| 112 | 132 kV |
| 113 | 33 KV |
| 114 | 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. |
| 115 | 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, |
| 116 | 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. |
| 117 | 220 kV |
| 118 | 132 kV |
| 119 | 33 KV |
| 120 | 220/132 kV Transformer including allied equipment |
| 121 | 132/33 KV Transformer including allied equipment |
| 122 | Replacement/repairing of Earthing of various Equipments. |
| 123 | DC Distribution Board :-Checking of connections, wiring, replacement of wiring if needed and checking of healthiness of all D/C and dc circuits of 220/132/33 KV yards |
| 124 | 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 220/132/33 KV yards |
| 125 | Control cables:-Replacement of damaged/outlived/burnt control cables of different cores icluding proper ferruling, thimbling and tagging and finally with all appropriate connections including lifting of duct covers |
| 126 | below 10 core |
| 127 | above 10 core |
| 128 | Marshelling kiosk:-checking and replacing if required 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.Fixing of damaged hinges/locks(including their cost if any) if required and plugging of holes if any. |
| 129 | BUS BAR :-Replacement of damaged ACSR Conductor along with its fittings. |
| 130 | 220 KV yard |
| 131 | 132 KV yard |
| 132 | 33 KV yard |
| 133 | Automatic voltage regulator:-checking and tightening of connections, auto control unit, oil and its overhaulling |
| 134 | Diesel Generator set: Maintenance and checking of its operation. |
| 135 | Diesel Generator set: overhauling of DG set including all material required for it. |
| 136 | Deweeding of switch yard |
| 137 | Painting of outdoor equipments (Transformers, MK's, CT/PT/CVT, Protection wall, Circuit breaker, isolators, poles etc. |
| 138 | AC Units: Checking and Servicing of Installed AC unit inside control room (1- 3 Ton) |
| 139 | White-Washing of Control Room/Residencial Quarters/Office building at Grid Station. |
| 140 | Upkeep of Sanitary installed in the control room/ office building/division building/residential quarters/Toilets and replacement of any damaged item if required. |
| 141 | Upkeep of electrical accessories installed in the control room/ office building/division building/residential quaters/Toilets and replacement of any damaged item if required. |
| 142 | Providing of skilled/ semi skilled/ un skilled labour for the works which are not covered from s.no. 1 to 38 |
| 143 | Skilled labour(Electrician/Fitter) |
| 144 | Semi- skilled labour(Asstt. Electrician/Asstt. Fitter) |
| 145 | Un skilled labour |
| 146 | Material handling: |
| 147 | Unloading of Material using Crane/ mannual labour |
| 148 | 220/132/33 KV Breaker |
| 149 | 220/132/33 KV CT's |
| 150 | 220/132/33 KV PT's/CVT's |
| 151 | 220/132/33 KV LA's |
| 152 | 220/132/33 KV Isolator |
| 153 | 220/132/33 KV Pannels |
| 154 | Angle Iron, MS Flat,Tar Steel, Tower Material |
| 155 | ACSR Conductor/Earth Wire/Control cables |
| 156 | Disc Insulator/Fiitings/Clamps/CGI Sheet T&P Items etc and Other Allied Materials |
| 157 | Cement/Crates |
| 158 | 33KV/440 V Aux Transformer |
| 159 | Transformer Oil |
| 160 | Carriage of Material from Unloading site to stacking site and stacking the material properly using Crane/ mannual labour |
| 161 | 220/132/33 KV Breaker |
| 162 | 220/132/33 KV CT's |
| 163 | 220/132/33 KV PT's/CVT's |
| 164 | 220/132/33 KV LA's |
| 165 | 220/132/33 KV Isolator |
| 166 | 220/132/33 KV Pannels |
| 167 | Angle Iron, MS Flat,Tar Steel, Tower Material |
| 168 | ACSR Conductor/Earth Wire/Control cables |
| 169 | Disc Insulator/Fiitings/Clamps/CGI Sheet T&P Items etc and Other Allied Materials |
| 170 | Cement/Crates |
| 171 | 33KV/440 V Aux Transformer |
| 172 | Transformer Oil |
| 173 | Shifting of material to make the space for adjustment of material using Crane/ mannual labour |
| 174 | 220/132/33 KV Breaker |
| 175 | 220/132/33 KV CT's |
| 176 | 220/132/33 KV PT's/CVT's |
| 177 | 220/132/33 KV LA's |
| 178 | 220/132/33 KV Isolator |
| 179 | 220/132/33 KV Pannels |
| 180 | Angle Iron, MS Flat,Tar Steel, Tower Material |
| 181 | ACSR Conductor/Earth Wire/Control cables |
| 182 | Disc Insulator/Fiitings/Clamps/CGI Sheet T&P Items etc and Other Allied Materials |
| 183 | Cement/Crates |
| 184 | 33KV/440 V Aux Transformer |
| 185 | Transformer Oil |
| 186 | Carriage of material from divisional store to loading site |
| 187 | 220/132/33 KV Breaker |
| 188 | 220/132/33 KV CT's |
| 189 | 220/132/33 KV PT's/CVT's |
| 190 | 220/132/33 KV LA's |
| 191 | 220/132/33 KV Isolator |
| 192 | 220/132/33 KV Pannels |
| 193 | Angle Iron, MS Flat,Tar Steel, Tower Material |
| 194 | ACSR Conductor/Earth Wire/Control cables |
| 195 | Disc Insulator/Fiitings/Clamps/CGI Sheet T&P Items etc and Other Allied Materials |
| 196 | Cement/Crates |
| 197 | 33KV/440 V Aux Transformer |
| 198 | Transformer Oil |
| 199 | Loading of material in the vechile using Crane/ mannual labour |
| 200 | 220/132/33 KV Breaker |
| 201 | 220/132/33 KV CT's |
| 202 | 220/132/33 KV PT's/CVT's |
| 203 | 220/132/33 KV LA's |
| 204 | 220/132/33 KV Isolator |
| 205 | 220/132/33 KV Pannels |
| 206 | Angle Iron, MS Flat,Tar Steel, Tower Material |
| 207 | ACSR Conductor/Earth Wire/Control cables |
| 208 | Disc Insulator/Fiitings/Clamps/CGI Sheet T&P Items etc and Other Allied Materials |
| 209 | Cement/Crates |
| 210 | 33KV/440 V Aux Transformer |
| 211 | Transformer Oil |
| 212 | Sorting of Tower Material in the Divisional Store and Its Stacking at Proper Place including its Mannual Carriage within Store yard |
| 213 | Deweeding of store premises |
| 214 | Disposal of material/Mulba from the store to outside the store premises |
| 215 | Cleaning of Drainage/front area of store during Monsoon/Rainy season |
| 216 | Dismentaling of Old and Damged CGI Sheets |
| 217 | Fixing of New GI Sheets |
| 218 | Mechanical Carriage of T&P and Other Allied Material From Divisional Store to Site of Work and Back Carriage of T&P |
| 219 | Average Distance upto 40KM |
| 220 | Average Distance upto 60KM |
| 221 | Average Distance upto 80KM |
| 222 | Average Distance upto 200KM |
| 223 | Average Distance upto 300KM |
| 224 | Average Distance upto 400KM |
| 225 | Earth work |
| 226 | Excavtion of Earth |
| 227 | Disposal of excavated earth By manual uptp 500mtr |
| 228 | Disposal of excavated earth By MT upto 2 KM |
| 229 | 220/132 KV D/C and S/C Transmission lines :- |
| 230 | Break-down work (Emergency works) for 220/132KV Lines |
| 231 | Jumpers (Replacement of burnt/damaged jumper) |
| 232 | Disc Insulators ( Replacement of damaged disc insulators) |
| 233 | Tension String |
| 234 | Suspension String |
| 235 | Power Conductor |
| 236 | Restoration of snapped power conductor. Complete job including mid-span compression joint, laying of conductor, rough sagging, tensioning of conductor dead-end assembly etc. upto span of 500 metre tension to tension point |
| 237 | Earth Wire |
| 238 | Restoration of snapped earthwire complete job including mid-span compression joint, laying of conductor, rough sagging, tensioning of earthwire, dead-end assembly etc. upto span length of 500 metre tension to tension point |
| 239 | Planned works |
| 240 | Checking and tightening of jumpers (per ckt with 3 jumpers) |
| 241 | Replacement of damaged /burnt out jumpers |
| 242 | Fixing of damper/vibrator on earthwire/ACSR Conductor |
| 243 | Replacement of damaged disc insulators |
| 244 | Tension string |
| 245 | Suspension string |
| 246 | 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 |
| 247 | Stringing and saging of ACSR conductor including sagging, tensioning, fitting of dead end assamblies etc.(complete job) |
| 248 | Dismantling of Conductor |
| 249 | 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 |
| 250 | Stringing and saging of ground wire including sagging, tensioning, fitting of dead end assamblies etc.(complete job) |
| 251 | Tower S/C and D/C:- |
| 252 | Foundation:-Repairing of damaged foundation and protection wall(Revetment) including back filling of earth with RCC concreating including material |
| 253 | Dismntling of Tower Foundation |
| 254 | Provision of providing crate wall (Gabbon wall) including material |
| 255 | Tightening of nuts and bolts of tower superstructures replacement of missing ones. |
| 256 | a) Tower weight more than 4 tonnes to 7.5 tonnes |
| 257 | b) Tower weight more than 7.5 tonnes |
| 258 | Checking / tightening of tower footing earthing bolts and measuring tower footing resistance. |
| 259 | Erection of Buckled Tower |
| 260 | Earthing of Towers inclusive of material (Earthing Rod, strips, Good earth etc) |
| 261 | Normal type (Rates inclusive of material) |
| 262 | Counterpoise (Rates inclusive of material) |
| 263 | Branch cutting: under the coridor of 132 KV S/C and D/C transmission line 16 mtr and under tower structure |
| 264 | Making of approach path towards the tower |
| 265 | Deweeding of the area under the tower |
| 266 | Replacement of missing tower members. |
| 267 | Reparing damaged conductor by using helical sleeve or Bolted or by shorting method with out lowering. The conductor |
| 268 | Fixing of anti-climbing device/Bird Guard over S/C & D/C tower |
| 269 | Fixing of phase plates/No. plates/danger plates over S/C & D/C tower |
| 270 | Fixing of repair sleeves compression type for over ACSR conductor |
| 271 | Tag welding of towers for one story |
| 272 | Dismantling of Towers |
| 273 | A type |
| 274 | B type |
| 275 | C type |
| 276 | D type |
| 277 | Earth work of towers including material |
| 278 | lean pad (rates inclusive of material) |
| 279 | RRM (rates inclusive of material) |
| 280 | DPC (rates inclusive of material) |
| 281 | Providing of Skilled /Semi-Skilled / UnSkilled labour for the works which are not covered from S.No. 1.0 to 1.49 |
| 282 | Skilled Labour ( Rigger) |
| 283 | Semi-skilled Labour ( Asstt. Fitter) |
| 284 | UnSkilled Labour |
| 285 | Store handling: |
| 286 | Unloading / Loading of T&P Material for Transmission Line works including Four Sheaves pulley,Pulleys,Ropes,Compression machine etc in divisional stores including manual carriage within store yard. |
| 287 | Unloading / Loading of Cement in divisional store Including manual Carriage within store yard). |
| 288 | Unloading / Loading of Disc Insulators/Fittings in divisional store Including manual Carriage within store yard). |
| 289 | Unloading / Loading of conductor/Earth wire, etc in divisional store Including manual Carriage within store yard). Please Enable Macros to View BoQ information |