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| 1 | Filtration & Dehydration of transformers oil for transformers, HT/ LT OCB, HT VL switches etc through on line filtration equipment to withstand minmumdielectirc strength 40 KVfor 1min at 2.5 mm gap and flash at 60 KV without disturbing / switching off system complete all as specified and as directed. |
| 2 | Supply and topping up of transformer oil suitable for 11 KV system for transformer/OCBs having 45KV of minimum dielectric strengthcomplete all as specified and as directed. |
| 3 | Taking down carefully by Disconnecting all the electrical connections from H.T.and L.T. side, and earthingof unserviceable transformer, from Plateform / 2/4 pole structure, draining out the transformer oil in clean barrels, loading and unloading oftransformer & transportation by vehicle from substationto the repairing workshop if required for rewinding, reconditioning or any other repairs required,reassembling making the internal H.T. & L.T. connections by fixing the studs, bushings, fitting the top cover by replacing cork sheet including gasket along with conservator including hoisting placing in position and securing properly on 4pole/ 2 pole structure, platform at site, including pouring in the transformer oil in the transformer reinstallation, commissioning and testing complete all as specified and directed by Engineer-in-Charge for following capacities of transformers.Note:(i) U/S items required for repairs shall be measured and paidseperately under relevant item of this schedule. Transformer oil with die electric strenght not less than 40KV either new or filtered shall be filled and shall be measured and paid separately under respective item. |
| 4 | For Transformer capacity upto 125 KVA |
| 5 | For Transformer capacity above 125 KVA upto 250 KVA |
| 6 | For Transformer capacity above 250 KVA upto 500 KVA |
| 7 | S& F Prestressed concrete pole, 11 meters long. 152mm x 152mm at top and 152m x 260mm at bottom, class 9 complete all as specified and as directed. |
| 8 | S& F Stay assembly complete with all accessories as shown in electrical plate No. 1 (loop type insulator, stay clamps, excavation and concrete measured separately) complete all as specified and as directed. |
| 9 | M& L Preparation of old painted surface and cooling coils/fins of transformer of following capacities by removing oil marks using chemical or hot blow lamp, spray painting to prepaired surface using synthetic enamel paint of superior quality of colour as per standerd engineering practice with two coats, writing make, capacity etc with white paint having height not less than 2.5cm and width not less than 1cm complete all as specified and as directed. |
| 10 | For Upto 100KVA |
| 11 | For Above 100KVA upto 200KVA |
| 12 | For Above 200KVA upto 500KVA |
| 13 | Disconnecting and taking out existing unserviceable current transformer of any description and in any postion, commissioning and testing of cast resin type 11KV current transformer of ratio matching with existing having protection core class SP10, burden of 15 VA and metering core class 1 and burden of 15 VA breaking cap of 13.1KV for 1.0 second complete all as specified and as directed.complete all as specified and as directed. |
| 14 | M & L in replacement of wiring for IDMT relay/CT/Trip Relay/ Earth fault/ Over current relay ( Electronic/Electromechanical type ) complete with 2.5 sqm copper flexible conductor cable including their numbering and make system serviceable complete checking function of IDMT relay complete all as specified and as directed. |
| 15 | Checking tripping of circuit braeker through IDMT / over current and earth fault relay (Electronic/Electromechaical type) at plug setting intended in service by primary current injection in CT to ensure proper function of relay trip coil control circuit etc during fault condition complete all as specified and as directed. |
| 16 | Testing of over current and earth fault IDMT relays as per time/current characteristic by secondary injection test O/C 50%, 75% , 200% & E/F 20-80% plug setting and operating time at twice the set valve & TMS 1 including well cleaning and de-carbonizing of relay contacts complete all as specified and as directed. |
| 17 | Supply and fixing in replacement of HT bottle type fuse for LBS of size and rating matching with existing complete all as specified and as directed. |
| 18 | M&L for rewinding of HT coils of different type/capacity and make of transformer with superior quality super enamelled copper winding wire/strip of approved make of suitable gauge and number of turnsalongwith allied materials such as cork sheet, fibre glass insulation/paper isulation cotton, empire tape and woodeen blocks, bolts, nuts and washers, soldering and other packing materials etc complete all as specified and as directed. |
| 19 | All as per ser Item 12 above but for copper winding strip of any size for L.T. coils of transformers complete all as specified and as directed. |
| 20 | M&L for heat treatment at the workshop furnance of complete core before and after re-assembly of coil into limps after rewinding for transformer capacity upto 500 KVA complete all as specified and as directed. |
| 21 | Supply & fixLTbushings 433V of suitable sizefor outdoor/ indoor typetransformer of the capacity as under:- |
| 22 | for Upto 100KVA |
| 23 | for above 100KVA upto 200KVA |
| 24 | for above 200KVA upto 500KVA |
| 25 | Supply & fixHTbushings 11KV of suitable size for outdoor/indoor type transformer ofcapacities as under:- |
| 26 | For Upto 100KVA |
| 27 | For above 100KVA upto 200KVA |
| 28 | For above 200KVA upto 500KVA |
| 29 | Supply & fixbrass stud(for LT433V side) of suitable size complete with one chuck nut, two nuts, washers and rubber seal, all as per sample for outdoor/ indoor typetransformer of the capacity as under:- |
| 30 | For Upto 100KVA |
| 31 | For above 100KVA upto 200KVA |
| 32 | For above 200KVA upto 500KVA |
| 33 | Supply, installation connecting electrically & commissioning switch air break, gang operated, tripple pole mounted on insulators 12 Nos and steel frame with operating mechanismin worked from ground level, drop out fuse, for current rating upto 400 amps and working voltage 11000 voltsvertical/horizontal type complete all as specified and as directed. |
| 34 | M&L for cross arms, bracings, supports, clamps and back plates fabricated from steel section including nuts, bolts, washers, welding bending cold or hot drilling holes for bolts in any shape ors size as indicated or directed and inclusive ofoneprimer coat, one under coat and one finishing coat of alumn paint complete all as specified and as directed. |
| 35 | Taking out U/S HT cables safely from trenches of size 95 sqmm to 300 sqmm and depositing to MES store yard for reuse after removing faults complete all as specified and as directed. |
| 36 | Laying, fixing or passing through pipe only HT cables of size 95 sqmm to 150 sqmm in trenches after removing faults and jointing properly (cable Jointif involved will be measured and paid separatlely under respective items of Sch \" A\" ) Complete all as directed by Engineer-in-Charge (Serviceable old cable retrieved under ser item 20 above will be used ) |
| 37 | M&L for XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11/6.35KV grade, suitable for earthed system, with aluminium conductor, 3 core 95 Sqmm. complete all as specified and as directed. |
| 38 | Supply, laying and testing cable XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 300 Sqmm x 3.5 core including thimbles at ends/strraight through ferrules as reqd for connection duly insulated complete all as specified and as directed. |
| 39 | Supply, laying and testing cable XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 240 Sqmm x 3.5 core including thimbles at ends/strraight through ferrules as reqd for connection duly insulated complete all as specified and as directed. . |
| 40 | Excavation in trenches in any type of soil n exc 1.5 mtr in width and n. exc 1.5 mtr in depth and getting out all as required for laying of cables complete all as specified and as directed.. |
| 41 | Returning filling, in including spreading ,leveling, watering and well ramming in layers not exc 25 cm each complete all as specified and as directed. |
| 42 | Removing excavated material to a distance not exceeding 50 meters and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and as directed. |
| 43 | M&L for sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm, thick after laying, stretchingand testing the cable complete all as specified and as directed.( Note : Punned thickness of 18 cm will be considered for payment.) |
| 44 | M& L Unreinforced precast concrete cable cover HV type size 380mm x 180mm x40mm , laid flat across the cable length complete all as specified and as directed. |
| 45 | Taking out U/S Vacuum Circuit Breaker 630A rating having working voltage 11000V from HT panel for repairs and strip opening complete all as required. Seggregating serviceable and un serviceable parts.Cleaningto remove complete carbon contents from the dismentled parts. Reassembling after replacement of u/s parts and adjustment for smooth functioning of the circuit breaker. Testing complete after installation of vacuum cicuit breaker in HT panel to the satisfaction of Engr in Charge.( Unserviceable parts required to make VCB serviceable will be measured separately under respective items detailed here in after.) VCB to be repaired is of Make -ABB( Serial No-1VYN020915001040 , Model - IEC 62271-100, Mfg Year - 2015 ) |
| 46 | Supplyonlyporcelain bush for connection stud complete with insulating rubber sleeve as per sample forVCB of 630A 11KV rating complete all as specified and as directed. |
| 47 | Supplyonlyrose contact assy as per sample for VCB of 630A 11KV rating complete all as specified and as directed. |
| 48 | Supplyonlyfixed contact assy as per sample for HT panel of 630A 11KV rating. |
| 49 | Supply and fix indicating lamp LED type suitable for any working voltage as per site requirement,red, yellow, white or green complete all as specified and as directed. |
| 50 | Supply and fix in replacement motor & gear assembly for spring charging suitable for VCB 11000 Volts matching with existing onecomplete all as specified and directed. |
| 51 | Supply and fix in replacement power pack with battery back up suitable for VCB 11000 Volts matching with existingone complete all as specified and as directed. |
| 52 | Supply and fix in replacement of Push button with 1NO + 1NC on existing VCB panel complete all as specified and as directed. |
| 53 | Supply and fix in replacement of Rotary switch for local /remote /neutral /trip /close function on existing HT VCB/SF6/OCB Panel complete all as specified and as directed. |
| 54 | Supply and fix in replacement of Digital multifunction meter PT/CT (0-110A)/(0-5A) operated for measuring voltage / ampere / power factor / frequency etc on existing HT VCB/SF6/ panel complete all as specified and as directed. |
| 55 | Supply and fix in replacement of panel space heater 80-120 watts coil element AC 230 volt input suitable for HT VCB panel of any make fixed inside with suitable clamps, bolts and nuts complete including necessary wiring cable connection complete all as specified and as directed. |
| 56 | Supply and fix in replacement of damaged HT breaker cluster contacts male / female / isolating / moving / fixed contacts 630/400 amps for VCB/OCB/RMU/SF6 type breaker complete all as specified and as directed. |
| 57 | Supply and fix in replacement closing coil assembly suitable for VCB 11000 Volts matching with existing complete all as specified and as directed. |
| 58 | Supply and fix in replacement tripping coil assembly suitable for VCB 11000 Volts matching with existingone complete all as specified and directed. |
| 59 | M&L for indoor type 11KV/110V potential transformer for VCB, 50Hz solidly grounded, accuracy class 0.5 for metering, 3 P for protection, rated burden both winding upto 100VA matching with existing each, heremetically sealed, to eliminate breathing and prevent air & moisture, secondary terminal but should be partitioned so as to house the metering terminals separately from protection & various terminal connectors providing sufficient earth clearance complete all as specified and directed. |
| 60 | S & F Breather assembly for the transformer as per exisiting sizesincluding filling ofSilica gel required for breather completeall as specified and as directed. |
| 61 | Supply onlySilica gel all as specified and as directed. |
| 62 | Supply & fix in replacement of lightening arrestor metal oxide type complete with all fittings transmission class discharge capacity 65 Kilo Amps suitable for 11000 volts grade complete all specified and as directed. |
| 63 | Supply & fix in replacement of explusion fuse unit 11 KV drop out up to 25 Ampscomplete all specified and as directed. |
| 64 | S&F cable jointing kit for 11 KV (earthed) grade cable for indoor end termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm.all as specified and as directed. |
| 65 | S&F cable jointing kit for 11 KV (earthed) grade cable for indoor end termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 sqmm all as specified and as directed |
| 66 | S&F cable jointing kit for 11 KV (earthed) grade cable for outdoor endtermination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mm all as specified and as directed |
| 67 | S&F cable jointing kit for 11 KV (earthed) grade cable for outdoor end termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sq mm to 185 sqmm all as specified and as directed |
| 68 | S&F cable jointing kit for 11 KV (earthed) grade cable straight through jointcold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sq mmcomplete all( as specified and as directed. Note:- Excavation, earth work, sand , Pcc cover, will be measuredand paid seperately under respective items) |
| 69 | S&F cable jointing kit for 11 KV (earthed) grade cable straight through jointHeat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 150 sq mm to 185 sqmmcomplete all as specified and as directed.( Note:- Excavation, earth work, sand , Pcc cover, will be measuredand paid seperately under respective items). |
| 70 | M& L forfinding out cable fault ofpower cables LT/HT ofany sizes using the cable fault indicator completeall as specified and as directed.( Note: Hiring / Providing of the HT cable fault indicator is deemed to be included in the quoted rate) |
| 71 | Removeexisting coarse stone aggregate andsupply and sprayed coarse stone aggregate at site for loose filling of size 40mm gradeinside the area ofsub stations at various locations complete all as specified and as directed. |
| 72 | M & L for Repair/Maintenance , cleaning, dusting and servicing Vacuum Circuit Breaker, HT 11 KV,50 Hz , 630 Amp indoor switch gear panelby Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, busbar/cable chambers, motorised spring charging mechanism , DC shunt trip/close coils, operation counter,manual spring charging mechanism , relays, meters , indicators , heater coil, aux supply SMPS , replacing of worn out parts and fuses , applying petroleum jelly to moving and fixedmechanical parts for its smooth functioning all as specified and directed by the Engineer in charge. Repair of VCB of esoxtingMake - AREVA ( Serial No- 3106700186/01/1, Production year - 2006, Encl.Type - VMX,Sl. No - 3106700186/01/2 Production year - 2006 Encl.Type - VMX ,Sl. No - 3106700186/01/3 Production year - 2006 Encl.Type - VMX) |
| 73 | M & L for Repair/Maintenance ,cleaning, dusting and servicing, for the smooth functioning of3 way compactRMU, HT 11 KV , 630 Amp, 3 phase 50 cycle by Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, bushbar/cable chambers , self powered over current and earth falult relay, T-off SF6 circuit breaker module, mechanical fault/on/off indicator etc including refilling of SF6 gas and replacing worn out parts when required etc and confirming smooth reliable operation of RMU unitall as specified andas directed.Repair ofRMU of Make - ABB ( Serial No. 1VYN050112000010 Mfg. year - 2012 Model - IEC 62271.202) |
| 74 | M & L for Repair/Maintenance , Cleaning, dusting and servicing Oil circuit Breakers HT 11 KV, 50 Hz, 400 Amps capacity by Grounding of complete panel live parts, thorough cleaning, visual checking, tightness checking, and servicing of breaker panel including breaker carriage along with associated mechanism , metering panel, bushbar/cable chambers,DC shunt trip/close coils, operation counter,manual spring charging mechanism , relays, meters , indicators , aux supply SMPS , replacing of worn out parts and fuses carefully for its smooth functioning complete all as directed by the Engineer in charge. Repair of OCB of existing Make - MEIL , Type - 0D, SL. NO. 71/186 |
| 75 | Fixing onlychain link fencingin repair including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provision of binding wire complete all as directed. |
| 76 | Supply only in repair of Chain link MS galvanisd fencing, 4 mm dia and 50 x 50 mm size complete all asspecified and as directed. |
| 77 | Excavating in post holes (or similar holes) each n exc 0.5 Cum, in hard / dence soil getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 Cm, complete all asspecified and as directed.complete all asspecified and as directed. |
| 78 | Material & Labour for PCC (1:2:4) type B2 (using 40mm gradedcrushed stone aggregate) as in foundation, mass concrete for road crossing etc., complete all as specified andas directed. |
| 79 | M&L for Preparation ofnew (over a coat of red oxide primer) steel and iron surfaces of any description, over 10 cm in width or girth , not otherwise described and painting with two coats of synthetic enamel paint etc complete all as specified and as directed |
| 80 | M& L Mild steel frame work conforming to Fe-410-0 or Fe 310-0 such as doors or gates of angle iron or other section including braces rails etc. complete drilled for fixing of steel sheeting or other covering doors etc. prepared for hanging or sliding with including either hooks and hinges or steel hanging door devices complete all as specified and as directed . |
