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| 1 | Excavation in trenches n.exc 1.5 metre wide and n.exc 1.5 metre in depth for foundation etc or for shafts, wells, cess pits, manholes, pier holes, laying cables errection of poles / struts/stays etc n.exe 10 Sqmon plan not exceeding 1.5 metre in depth and getting out in any type of soil. |
| 2 | Removing of excavated material (soil) to a distance n.exc 50 metre and depositing where directed at a level n.exc 1.50metre above the starting point |
| 3 | Returning, filling in, including spreading, levelling, watering and well ramming in layers n.exc 25cm in any type of soil. |
| 4 | Supplying and laying un-reinforced precast cable covers class HV, type I, flat, size 300mm x 180mm x 40mm. |
| 5 | Material and labour for riverwashed and screened, dry sand for filling in trenches below and around underground cablesfor cushioning of cables complete all as specified. |
| 6 | M&L Disc type insulator, Porcelain, vitreous brown, white or green single disc assembly, 145mm high & 255mm dia ball & socket type, for tension clamps for conductors, working pressure 11000 volts including taking down/dismantling old item. |
| 7 | M&L Pin type, porcelain, vitreous brown, white or green insulator (HT), 150mm height and 150 mm dia, 11000 volts grade including one galvanised MS spindle, two GI washers and one GI nut complete |
| 8 | Supply and fix lightening arrestor expulsion type complete with all fittings transmission class discharge capacity 65 KA suitable for 11000 volts including taking down/dismantling old item. |
| 9 | Supply & FixAir break switch 200 amp,for HT 11 KV, 50 Hz AC, Gang Operated, triple pole, outdoor, horizonal / vertical mounting type (ISI marked),mounted on insulators and MS frame work, with fuse carriers & HT fuses, manually operated from ground level with locking arrangment including 65 mm pad lock with two keys, necessary electric connections, taking down old item complete all as specified and directed by Engineer-in-Charge. |
| 10 | Supply & Fix, fixed contact of Brass Alloy single pole including fastners suitable for air break gang operated switch of cap 200/400 amp 3 pole 11000 volts gradeincluding taking down/dismantling old item. |
| 11 | Supply & Fix, moving contact of Brass Alloy single pole including fastners suitable for air break gang operated switch of cap 200/400 amp 3 pole 11000 volts gradeincluding taking down/dismantling old item. |
| 12 | Supply & Fix, flexible Copper strip including fastners suitable for air break gang operated switch 200/400 amps 11000 volts for single phase including taking down/dismantling old item. |
| 13 | M&L for shifting of transformer of any capacity from any location within the station to location of defective transformerand connecting with HT 11 KV incomer from existing sourceand LT outgoing cables complete as directed by Engineer-in-Charge. |
| 14 | M&L for disconnecting and dismantling including handling and transportationof defective transformer, any type, 63 KVA to 125 KVA, 11 KV/433 V, copper/ Aluminium wound, opening the transformer,safe draining of tranformer oil for reuse, removing all burnt particles i.e tape, paper insulating strings etc gently and carefully, washing of the dust, rust and dirt from all parts includingHT/LT coil, core tank and cooling tubes, painting the inner side of tank by zinc chromate paint and preparing the same for re-assembling after carrying out required repairs, re-assembling and re-installation, including connecting up electrically, commissioning at site all as directed by Engineer-in-Charge.Note :- 1.Repair cost is deemed to be included in the quoted rate; and Unsv items required to be replaced shall be measured and paid separately.2.The burnt transformer oil will be contractor property & any new oil will be measured and paid seperatly under respective item.3. The coils and the oil shall be inspected for repair/replacement by department rep. |
| 15 | -ditto- but 150 KVA to 250 KVA capacity |
| 16 | -ditto- but 315 KVA to 400 KVA capacity |
| 17 | Supply only copper coil with suitable insulation for copper wound transformer of any type/capacity for following (i) HT Coil |
| 18 | (ii) LT Coil |
| 19 | Supply only HT porecelain bushing complete with brass/tinned copper rod with nuts and gasket set complete for 63 KVA to 125 KVA capacity transformer. |
| 20 | -ditto- but 150 KVA to 250 KVA capacity |
| 21 | -ditto- but 315 KVA to 400 KVA capacity |
| 22 | Supply only LT porecelain bushing complete with brass/tinned copper rod with nuts and gasket set complete for63 KVA to 125 KVA capacity transformer. |
| 23 | -ditto- but 150 KVA to 250 KVA capacity |
| 24 | -ditto- but 315 KVA to 400 KVA capacity |
| 25 | S&F in replacement of breather of transformer with silica gel complete with end fitting as per existing size and shape as directed by Engineer -in-Charge |
| 26 | M&L for Painting of transformer 63 KVA to 125 KVA applying two coats of synthetic enamel paint of grey colour by spraying complete including preparation of old surfaces, removing & cleaning of oil/grease all as specified and directed by Engr in Charge. |
| 27 | -ditto- but 150 KVA to 250 KVA capacity |
| 28 | -ditto- but 315 KVA to 400 KVA capacity |
| 29 | M&L for refilling fresh Silica Gel into the breather including removal of old item. |
| 30 | M&L for boring of existing road/path for laying of GI pipeSize 100mm dia protection for UG cable including making good distrurbed area/surface all as specified and directed. |
| 31 | Supply & fixing or laying galvanised steel tubing light grade (ISI marked) for protection of under ground cable on poles / walls under road crossing etc of size 100 mm bore includingdismantling & taking down existing pipe. |
| 32 | M&L for calibration and setting of protection relay of any make or type fitted on 33 KV breakers panels (IDMT relay, transformer Buccholz relay, WTI, OTT, PRV,control panel at MRS, and certain other locationsas per IS and code of practice to ensure NO ERROR including setting for earth fault, over current with trip time delay in accordance to feeder load and other parameters of site including time grading of the same with JVVNL setting to ensure that fault shall not travel to nearest source feeder; including minor repairs, replacement of wiring etc & submit test certificate of above relay testing and calibration etc complete all as specified and directed.(a) Control and Relay panel of 33 KV breaker - 04 Nos.(b) 33/11 KV, 5 MVA transformer relay control panel -04 NosNote:- The frequecny of testing and calibration shall be done twice as change of season between winter to summer and vice versa. |
| 33 | M&L for calibration and setting of protection relays of any make fitted on 11 KV VCBs (details given below) as per IS and code of practice to ensure NO ERROR including setting for each fault over current with trip time delay in accordance to feeder load and other parameters of site including grading with incomer panels at MRS ,synchronizing of the same with MRSsetting to ensure that fault shall not travel to nearest source feeder including minor repairs, replacement of wiring etc, if required. Servicing complete with decarbonizing the contactpoints, cleaning with CRCsolution etc. All indicating lamp of the panel replaced if necessary, breaker control switch, digital Amp meter, Volt meter should be replaced if in case found defective, testing after repair complete all as directed by Engineer-in-Charge of any make and type. Note:- Servicing will be done twice at the duration twice in duration of contact and thiswill be considered as one job. all as directed by Engineer- in- Charge.(a) Out going / Incoming 11 KV- 12 Nos |
| 34 | M&L for calibration and testing of protection relay of any make or type fitted on 11 KV 4 Way RMU as per IS and code of practice to insure NO ERROR including setting for each fault over current with trip time delay in accordance to feeder load and other parameters of site including grading with incomer panels at MRS. Servicing complete with decarbonizing the contactpoints, cleaning with CRCsolution etc. All indicating lamp of the panel replaced if necessary, breaker control switch, digital Amp meter, Volt meter should be replaced if in case found defective, testing after repair complete all as directed by Engineer-in-Charge of any make and type. Note:- Servicing will be done twice at the duration twice in duration of contact and thiswill be considered as one job. |
| 35 | M&L for calibration and testing of protection relay of any make or type fitted on 11 KV 6 Way RMU as per IS and code of practice to insure NO ERROR including setting for each fault over current with trip time delay in accordance to feeder load and other parameters of site including grading with incomer panels at MRS. Servicing complete with decarbonizing the contactpoints, cleaning with CRCsolution etc. All indicating lamp of the panel replaced if necessary, breaker control switch, digital Amp meter, Volt meter should be replaced if in case found defective, testing after repair complete all as directed by Engineer-in-Charge of any make and type. Note:- Servicing will be done twice at the duration twice in duration of contact and thiswill be considered as one job. |
| 36 | M&L for calibration and testing of protection relay of any make or type fitted on 33 KV 3 Way RMU as per IS and code of practice to ensure NO ERROR including setting for each fault over current with trip time delay in accordance to feeder load and other parameters of site including grading with incomer panels at MRS. Servicing complete with decarbonizing the contactpoints, cleaning with CRCsolution etc. All indicating lamp of the panel replaced if necessary, breaker control switch, digital Amp meter, Volt meter should be replaced if in case found defective, testing after repair complete all as directed by Engineer-in-Charge of any make and type. Note:- Servicing will be done twice at the duration twice in duration of contact and thiswill be considered as one jobNOTE FOR ITEM NO. 32 to 35(i) The calibration and setting must be completed with in 3 weeks from the date of commencement placed to avoid major break down. (ii) The calibration and setting shall be carried out by only qualified and experienced engineer.(iii) The relay setting shall be carried out once in three month as per load and site conditions to avoid any fault travel to next adjacent source breaker and shall be monitored regularly.(iv) For payment purpose the payment for calibration of relay once in 06 months and setting of relay twice in 06 months is considered as one job. The cost of monitoring is also included in the item rate.(v)Calibration Certificate by authorised person should be submitted after calibraction/setting the VCBs.The record of calibration/setting of relays shall be submitted by the Contractor. |
| 37 | Disconnecting of HT supply from 11 KV VCB of anycapacity of Amps for overhauling of mechanism trolly and carry out repair works, servicing complete with decarborizing the contactpoints, cleaning with CRCsolutiontightening springs greasing etc etctesting after repair complete all as directed by Engineer-in-Charge. Make of VCB AREVA/ ALSTOM/ CG Note:- Parts replaced in VCB shall be measured and paid separately under respective item. |
| 38 | M&L for Disconnecting of HT supply from33 KV VCB/SF 6 CB-4 Noswith panel capacity of 1250 Amp outdoor type for overhauling of mechanism and carry out repair works, servicing complete with decarburizing the contactpoints, cleaning with CRCsolution etctesting after repair complete all as specified and directedNote:- Servicing will be done twice at the interval of 3 months and thiswill be considered as one job.Note:- Parts replaced of VCB shall be measured and paid separately under respective items. |
| 39 | M&L for testing of CT and PT and its oil level of any make or type fitted in 33 KV switchyard (details given below) as per IS and code in accordance to feeder load and other parameters of site including grading with incomer panels at MRS (a) Out going / Incoming 33 KV- 05 Nos(b) Testing and tightening of bus bar of 33KV switchyard alongwith testing of insulators of 33kV from Incomer to the VCBS of 11KV(c) Checking and testing of insulators of 33 KV swithcyard complete.NOTE:(i) The testing and setting must be completed with in 3 weeks from the date of commencement placed to avoid major break down.(ii) The testing and setting shall be carried out by only qualified and experienced engineer.(ii) The testing includes comprehensive testing from the supply received at Combined CT PT to the incomer of the Power transformers(v) Certificate/report of rep of authorised person should be submitted after testing the CT and PT. The record of testing/ setting of CT and PT and Switchyard of 33KV shall be submitted by the Contractor. |
| 40 | Replacement of following parts for item No 32 to 35 above :- Supply only Ratchet wheel Assembly with Ratchet pinsuitable for 11 KV VCB |
| 41 | Supply only Shunt Trip Coil, operating voltage 24 Volts DCsuitable for 11 KV VCB/ SF6 gas breaker. |
| 42 | Supply only digital type multifunctional meter with Ammeter/Volt Meter for 11 KV VCB. |
| 43 | S&F Anti-pumping relay 2NO+2NC, 24V DC, 6 Amp. |
| 44 | Supply only Closing coil, operating voltage 24 Volt DC suitable for 11KV VCB/SF-6 gas breaker. |
| 45 | Supply only triping coil assy suitable for 11KV VCB. |
| 46 | Supply only small gear assy with motor shaft suitable for 11 KV VCB. |
| 47 | S&F Auxillary contactor for contact multiplication 7NO+7NC, 24V, DC, 6 Amp. |
| 48 | Supply, installation & testing of Microprocessor based three phase relay system for over current, earth fault protection type MICOM/CGI 14N Modelfor 11 KV breaker, setting range with necessary wiring/fitting including dismantling of old IDMTL/Unserviceable relays.as directed by Engr-in-charge. |
| 49 | S&F Hooter system operating voltage 24V/220V AC/DC for 4 Nos VCB parallel operating system complete with testing including all accessories such as contactor,re-set switch and cut- out completewiring etc including taking down old U/S, and as directed by Engr-in-charge. |
| 50 | Disconnecting of HT supply from 11 KV VCB of capacity upto 800 Amps for rewiring of VCB control circuit with copper conductor wire size not less than 1.0 Sqmm and after wiring testing complete all as directed by Engr-in-Charge. |
| 51 | M&L in replacement of spring charge motor assembly with Gear Assembly operating voltage 220 V AC/ DC suitable for 11 KV VCB of Areva/CG as existing on site complete with required material and as directed by Engr-in-charge. |
| 52 | Supply & fixing HT Jumpernot more than 2 m long in repair /replacement on existing OH circuit/two Pole /four Pole Structure etc including ACSR Conductor (Weasel) using PG clamp/lugs, fastners etc as per site requirment. |
| 53 | S & F epoxy based cast resin CT having ratio 200-150-100//05for sutiable for 11 KV system size as per site and as directed by Engr-in-Charge. |
| 54 | Supply and Fixing in replacement LED/Neon indicator Lamps with holder size 22.5mm of different colour (24 V/220 V, AC/DC). |
| 55 | M&L for rectification, detection of gas leakage & refilling of the 33 KV, SF6in compatible to the pressure marked by the OEM complete all as specified and directed. |
| 56 | Supply & Filling of transformer oil in transformer in situ/at site for toping up the level of oil having dielectric strength 60-80 KV during filling after filtration conforming to IS-335. |
| 57 | M&L earthing with galvanised steel earth plate electrode 60cm x 60cm x 6 mm thick, buried directly vertically in ground in a pitdepth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less then 1.5 metre below normal ground level connected to and including galvanised iron or steel earth strip32 mm x 6 mmby means of bolts, nuts check nuts and washers of galvanised iron or steel.Earthing strip shall be protected by galvanised iron or steel pipe 40mm bore light grade and connected to continuous earth wire on pole / test point. Watering pipe shall be 20 mm bore GImedium grade.The earthing shall be of inclusive of excavation & earth work in any type of soil, charcoal, salt, funnel PCC pit and RCC cove rwith handlecomplete all as specified & tested complete as per electrical plate No. 3 of MES SSR Part-I. NOTE:- (i) The concrete pit shall be made in PCC 1:2:4 type B-O, using 12.00 mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover. Reinforcement in cover shall be of 8mm dia TMT bars laid @150mm c/c both ways.(ii) Quoted shall include the cost of 7.5 metre GI pipe for protection of earth wire/strip.(iii) Quoted shall include cost of 7.5 metre earth lead wire/strip.(iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sidesNOTE:- (i) The concrete pit shall be made in PCC 1:2:4 type B-O, using 12.00 mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover. Reinforcement in cover shall be of 8mm dia TMT bars laid @150mm c/c both ways.(ii) Quoted shall include the cost of 7.5 metre GI pipe for protection of earth wire/strip.(iii) Quoted shall include cost of 7.5 metre earth lead wire/strip.(iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides |
| 58 | Supply & Fixing Polyfloor insulating rubber mat suitable for 11 KV sub station of size 2mtr x 1mtr x 3mm thick ISI mark, IS 15652 complete and as directed by Engr-in-Charge. |
| 59 | Dehydration /filtration of transformer oil of existing transformers installed at site with portable plant to improve the dielectric strengthabove60 KV after filtration including testing of dielectric strength after dehydration at site. |
| 60 | Supply, laying and commissioning XLPE insulated screened, PVC bedded galvanised steel strip or wire armoured electric power cables (heavy duty) with aluminium conductor 11000 volts grade IS-7098 marked, suitable for HT 11 KV (E) System laid in trenches/ ducts/ encased in GI pipe/ fixed to poles including jointing & testing complete all as specified and directed of size 95 Sqmm, 3 core cable including taking down/dismantling old item. |
| 61 | -ditto- 185 Sqmm, 3 core cable |
| 62 | M&L for cable end termination, jointing kit, HT 11 KV grade, heat shrinkable, outdoor type complete with jointing material suitable for HT XLPE cable 3 core 11 KV grade complete all as specified and directed of size 95 Sqmm x 3 core . |
| 63 | -ditto- but 120 to 185 Sqmm x 3 core |
| 64 | M&L for cable straight through jointing kit, HT 11 KV grade, heat shrinkable, outdoor type complete with jointing material suitable for HT XLPE cable 3 core 11 KV grade complete all as specified and directed of size 95 Sqmm x 3 core . |
| 65 | -ditto- but 120 to 185 Sqmm x 3 core |
| 66 | M&L for cable end termination, jointing kit, HT 11 KV grade, heat shrinkable, indoor type complete with jointing material suitable for HT XLPE cable 3 core 11 KV grade complete all as specified and directed ofsize95 Sqmm x 3 core |
| 67 | -ditto but 120 to 185 Sqmm x 3 core |
| 68 | M&L forfault finding in U/G cable using fault locating machine on requirement for 11 KV HT cables of any type/size complete all as specified and directed by Engr-in charge. |
| 69 | Trimming of tree HT over head lines, Four pole structures,Two pole structures,Transformers and switchyard vicinity of electric supply pole/street light pole/solar modules &depositing at places n exc 50m all as directed by Engineer-in-Charge. |
| 70 | Painting of HT four pole/two pole structures including GOD complete at various places, applying two coats of synthetic enamel paint of aluminium colour by spraying complete including preparation of old surfaces, removing & cleaning of corrosion all as specified and directed by Engineer in Charge. placesall as directed by Engineer-in-Charge. |
| 71 | Painting of HT switchyard 11 KV sub-station including GOD complete at various places, applying two coats of synthetic enamel paint of aluminium colour by spraying complete including preparation of old surfaces, removing & cleaning of corrosion all as specified and directed by Engineer in Charge. |
| 72 | Labour only forfixingcable end termination,HTjointing kit, 11 KV grade, heat shrinkable, indoor /out door type size95 Sqmm x 3 coreto 240 Sqmm 3 core complete with jointing material making all electrical connections as directed by Engr-in-Charge. NOTE :-HT cable Jointshall be provided under Sch \"B\" |
| 73 | Labour only forfixingcable straight through, HTjointing kit,11 KV grade, heat shrinkable, indoor /out door typesize95 Sqmm x 3 coreto 240 Sqmm 3 core complete with jointing material making all electrical connections as directed by Engr-in-Charge. NOTE :-HT cable Jointshall be provided under Sch \"B\" |
| 74 | Labour only forfixingcable straight through, HTjointing kit,33 KV grade, heat shrinkable, indoor /out door typesize185 Sqmm x 3 coreto 300 Sqmm 3 core complete with jointing material making all electrical connections as directed by Engr-in-Charge. NOTE :-HT cable Jointshall be provided under Sch \"B\" |
| 75 | Labour only forfixingcable end termination,HTjointing kit, 33 KV grade, heat shrinkable, indoor /out door type size185 Sqmm x 3 coreto 300 Sqmm 3 core complete with jointing material making all electrical connections as directed by Engr-in-Charge. NOTE :-HT cable Jointshall be provided under Sch \"B\" |
| 76 | Labour only forlaying and testing of HT XLPE cable, 11 KV grade, size95 Sqmm x 3 coreto 240 Sqmm 3 core complete with jointing material making all electrical connections as directed by Engr-in-Charge. NOTE :-HT cable 11 KV shall be provided under Sch \"B\" |
| 77 | M&L and T&P for tightening of jumpers and busbar and and greasing of GOD at four/two pole structures and tightening of cable at HT and LT at both end of transformers complete of all as specified and directed by Engr-in-charge |
| 78 | Supply & fixing chain link fencing of size 2.1 mtr height and wire mesh size 100mm x 100mm, 4mm dia including line wires,type of mesh as per standard size, rails, straining bolts, etc including provision of binding wire and taking out old fencing all as directed and specified. |
| 79 | M&L for Mild Steel work such as angle iron fencing post struts and flat iron fillets etc of grade Fe-310-0, including drilling holes, punching, splitting ends to secure chain link fencing or fixing of barbed wire to posts including all necessary cutting, welding drilling, bolting or riveting etc and including bands strap support for chain link, steel screw as required,10mm dia MS bar as in tie bars/horizontal bars fixed to secure the fencing on posts complete and rolled mild steel Framed work as in Gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, Doors etc. to be prepared for hanging or sliding with & including either hooks & hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails & guides) & hanging; also fastening & fixing complete GDE Fe 410-0 or Fe 310-0 including taking down old fencing all as specified and directed by Engr-in-Charge. |
| 80 | M&L for Surface Dressing/ Cleaning of various 11/33 KV sub-stations free from vegetation of any type including trimming of tree branches, bushes, creepers, etc. also on fencingcomplete all as specified & directed. Note: The frequency of surface dressing shall not be less than 1 months |
| 81 | Supply and laying stone aggregate of size 40-80 mm upto height of 30 cm after the height of sand cushioning (river sand) which will be laid upto height of 15 cm before laying stone aggregate in sub-stations/electric yards including levelling.complete all as specified and directed Note:- It should be ensured that before laying stone aggregate and sand the grass or unwanted bushes shall be treated chemically to remove the unwanted vegetation and surface of the switchyard/installation should be made totally free from the existing unused aggregates without destroying the cable, earthpit etc at the installation including waterproof tarpaulin, all area covered by waterproof tarpaulin before laying of sand. |
| 82 | Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required complete. For all items Note :- All HT equipments like Transformer,VCBs,Relays should be tested by any Govt or authorized agency and testing report should be submited with final bill. |
