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| 1 | Disconnecting the transformer indoorout door from HT / LT side at site dismantling carefully and removing primary and secondary terminals, top cover, conservator tank, neutral earth strip and draining out transformer oil to the required level and storing carefully in cleaned containers, cleaning of terminals, inspection of core, supply and replacing 5 mm thick rubberised cork sheet gasket for tank top cover and replacement of gaskets/oil seal of HT/LT side to arrest the leakage of transformer oil complete reassembling the complete dismantled items, reconnecting the HT/ LT supply cable ends at the site for the following transformers complete all as directed by Engineer-in-charge. |
| 2 | Transformer capacity 125 KVA to 250 KVA |
| 3 | Transformer capacity 300KVA to 400 KVA |
| 4 | Transformer capacity 500KVA to 630 KVA |
| 5 | Material and Labors for shifting of transformer from one area to another area of ITR Techand placing in position including installation testing and commissoning as per site requirement complete all as specified and directed by Engr-in-charge . |
| 6 | M&L for lightning arresters suitable voltage 11000 volts expulsion type complete with all fittings, transmission class,discharge capacity 65 kilo amp ncluding installation testing and commissoning as per site requirement complete all as specified and directed by Engr-in-charge . |
| 7 | Supply only digital over current and earth fault relayoperated on 85-275 volts Aux supply and sec current of 5 Amps including necessary connection initial calibration and testing complete all as directed by Engineer-in-Charge. |
| 8 | S&F Digital type Volt meter 0-15KV, PT operated 110 Volt input complete all as specified and directed. |
| 9 | S&F Digital type Ampmeter CT operated, 5 Amp input complete all as specified and directed. |
| 10 | M&L for Filtration and Dehydration of transformer oil of Transformers / OCBs / Oil switchesat different locationofITR Chandipur with filtration cum dehydration machine to achieve desired level of di electric strength of transformer oilincluding testing complete as specified and all as directed by engineer in charge.Note- The quoted rate shall deem to incl for the cost of centrifuging the transformer oil by means of electrical operated centrifuging machine .(ii) The contrator shall test the di electric strength of oil of each transformer beforedehydration & filtrationand after completionof dehydrationand filtrationprocess he shall submit record of the same. Each sample of oil shall be testedwith a transformer oil test machine at site in presence of concerned JE/ Engr- in- Charge. The contractor will have to arrange correctly calibrated Transformer Oil Test machine. for this purpose. (iii) Old unserviceable oil obtained if any shall be deposited inthe MES store complete all as directed by Engr- in- Charge . |
| 11 | Supply only insulation oil in Transformer Oil tank having Di-electric strength not less than 60 KV at 2.5 mm electrode gap for 60 sec confirming to IS-335 and ISI markedall asspsecified and directed by Engineer-in-Charge. |
| 12 | Supply and filling in repair/replacement of silica gel in existing breather assembly complete all as directed by Engineer-in-charge. |
| 13 | Supply & fixing in repair/replacement of breather for 400/500 KVA Transformer complete all as directed by Engineer-in-charge. |
| 14 | Supply & fixing in repair/replacement of breather for 200/250 KVA Transformer. |
| 15 | S&F in replacement of HT bushing with stud, brass terminal 6 Nos.brass nuts and washers, gaskets, insulator etc suitable for (11/0.433 KV) 50 KVA TO 630 KVA Transformer complete in all respect & all specified. |
| 16 | S/F in replacement of .LT bushing with stud,brass terminal 6 Nos.brass nuts and washers, gaskets, insulator etc suitable for 50 KVA TO 300 KVA Transformer complete in all respect & all specified. |
| 17 | Supply and fix Temperature gaugesuitable for transformer of capacity above 100 KVA and upto 400 KVAcomplete all as specified and as directed. |
| 18 | All as per item No. 14 but suitable for transformer of capacity 500 KVA to 630 KVA |
| 19 | Disconnection and taking out unserviceable distribution Transformer of capacity up to 630 KVA 11/0.415 KV from one location to another locationfor the following phase of works specified and complete all as specified and directed by Engineer-in-charge. |
| 20 | Dismantling the Transformer of 63 to 630 KVA, 11/0.415 KVA capacityand transporting the Transformer from Sub station to workshop anddraining out oil and storing aside lifting of core and winding assembly, further dismantling and segregation of HT/LT serviceable and unserviceable winding, taking out old worn out insulator, separators set for strip, inspection and further necessary repair and carrying out cleaning of complete transformer, removing of all worn outgasket/Jointing materials, oil seals. Segregation of all serviceable spares/ accessories/ components for reuse and replacement of unserviceable spares/accessories/ components with new materials and reassembling andtransporting the transformer to sub stn after carrying out repairincluding dehydration and testing and commissioning complete all as specified and directed by Engineer-in-charge. |
| 21 | Materials for HT/LT winding of Transformer super enameled copper wire/strip of appropriate cross section and turn as per existing complete all as directed by Engineer-in-charge. |
| 22 | Materialsfor re-insulation by wrapping with new insulation paper after taking down old burnt insulation including assembly and connection for 200/250 KVA, 11/0.433 KV Transformer all as specified and directed by Engineer-in-charge. |
| 23 | Carrying out replacement of all Gasket using rubber cork sheet of 6.0 mm thick including providing gasket cement adhesive all as specified and directed by Engineer-in-charge.Note :-(i)Cost of Supply and fixing of nuts, bolts, washers fevicol sleeves cotton tapes etc shall be deemed to be included in quoted rate.(ii)Necessary test of Transformer shall be carried out by factory as per is in presence of MES representative and Testreport shall be submitted to the department.(iii) All item above are havingtentative quantity and specification and may change as per ground requirment. |
| 24 | M&L fortaking proper shut down, disconnecting incoming / out going cable, control cable from 11 KV OCB/VCB of any type and capacity upto 630 amps and carrying out complete servicing / overhauling, resetting of all electrical and mechanical parts for easy and proper operation, greasingof moving / revolving / sliding parts in VCB Panel, calibration of relays, meters incl thorough cleanining with air blower / vacuum cleaner, decarbonising & providing mineral jelly to all arcing contacts of the VCB panel, and serviceability check from local / remote control panel including replacementof unserviceable minor spare parts viz. nut / bolt / washer / connecting wire / insulation tape / sleeves etc complete including reassembling complete parts reconnecting incoming / outgoing cable, testing on load complete all as directed by Engineer-in-charge.Note- 1. Unserviceable items other than minor parts to be replaced will be meauredand paid seperately as supply only under revelent items in the schedule. However, cost of certain minor spares viz nut / bolt / washer / connecting wire / insulation tape / sleeves etc. if required shall deem to be included in the cost of repair of the item.2.The spare parts to be replaced shall be of reputed brand / make and shall be of same type, design, specifications etc to match with the existing parts.3. Complete servicing and calibration work shall be carried out by qualified and reputed service engineer only. |
| 25 | Supply only of following items for maintenance of OCB/VCB of 11 KV, 400/630 Amps capacity complete all as directed by Engineer-in-charge.:- |
| 26 | Supply only VCB closing coil,Aux supply110V DC,24V DC,30VDC suitable for existing parts at site. |
| 27 | Supply only VCB triping coil Aux supply110V DC,24V DC,30VDCsuitable for existing parts at site. |
| 28 | Supply only Bus bar spout L1 for 11KV VCB/OCsuitable for existing parts at site. |
| 29 | Supply only Spouts L2suitable for VCB suitable for existing parts at site. |
| 30 | Supply only Spouts L3suitable for VCB suitable for existing parts at site. |
| 31 | Master trip relay(coil voltage= 110 DC) contact configuration 3 NO + 2- NC (H/R) Burden high suitable for existing parts at site. |
| 32 | Supply only selector switch for local&remote 2pole2 way amp 10amps colour gray volts220V suitable for existing parts at site. |
| 33 | Supply only Ammeter selector switch 3 way and off |
| 34 | supply only Voltmeter selector switch (3 way and off) R-Y,Y-B,B-R off |
| 35 | Supply only Indication lamps |
| 36 | supply only Base with fuse link -25 amps suitable for existing parts at site. |
| 37 | Supply only one nos anti condentation space heater suitable for existing parts at site. |
| 38 | Supply only 7\" thermostate suitable for existing parts at site. |
| 39 | Supply only anti pumping relay suitable for Siemens make VCB suitable for existing parts at site. |
| 40 | Supply only spring charging of motor aux supply suitable for existing parts at site. |
| 41 | Supply only flower contact suitable for existing parts at site. |
| 42 | Supply only vaccuum interrupter for 11 KV VCB suitable for existing parts at site. |
| 43 | Supply only support insulator for 11 KV VCB/OCB suitable for existing parts at site. |
| 44 | Supply only rubber solute for VCB trolley bussing suitable for existing parts at site. |
| 45 | Supply only limit switch for VCB suitable for existing parts at site.. |
| 46 | Supply only Busbar Spout for VCB suitable size |
| 47 | M & L in replacement of wiring of IDMT relay/CT/trip relay complet |
| 48 | Supply PT Fuse 11KV for VCB complete |
| 49 | S&F in replacement ofIDMT relay/CT/trip relay complete system serviceable complete testing of IDMT relay complete all as specified and directed by Engineer-in-charge. |
| 50 | Disconnecting and taking out existing unserviceable current transformerof any description and in any position and Supply, installation, commissioning and testing of cast resin type 11 KV current transformer having ratio of 100+50/5 A having protection core class 5P10, burden of 15 VA and metering core class 1.0 and burden of 15 VA breaking cap of 13.1 KVfor 1.0 second complete all as specified and directed by Engineer-in-charge. |
| 51 | Disconnecting and taking out existing unserviceable current transformerof any description and in any position and Supply, installation, commissioning and testing of cast resin type 11 KV current transformer having ratio of 200+100/5 A having protection core class 5P10, burden of 15 VA and metering core class 1.0 and burden of 15 VA breaking cap of 13.1 KVfor 1.0 second complete all as specified and directed by Engineer-in-charge. |
| 52 | M&L for MS cross arm , bracing supports , clamps and back plate fabricated from structural steel sections holding nut,bolts and washers including necessary welding , bending cold or hot drilling holes for bolts in any shape or size as indicated or directed and inclusive two coat of synethetic enamel paint over a coat of red oxide primer complete including taking down old unserviceable MS cross arm complete all as specified and directed by Engineer-in-charge. |
| 53 | Supply & fix jumper of two pole/four pole/oVER HEAD LINE structure with aluminium conductor steel reinforced of any size on existing HT two pole/four pole structure usingnew aluminium binding wire including reconnecting all connections by means of suitable size lugs/thimbles including taking down old aluminium conductor jumper complete all as directed by Engr-in-Charge. |
| 54 | Supply, fixing , commissioning and testing in replacement of outdoor type , 11 KV gang operated switch with drop out fuse assay complete of current rating upto 400 Amps 4 insulator Vertical type triple pole each pole consisting of galvanized steel based HT insulator as per IS non ferrous knife and spring loaded contacts, arching horns of adequate section to break magnetizing current of the transformers horizontol Gi of adequate length for phase separation , adequate length of GI pipe operation from ground leveland operating handle with locking arrangement complete in both OFF and ON positions. All ferrous parts hot dripped galvanized and non ferrous heavily tinned to with stand weather suitable for Vertical mounting on existing structure including taking out old us GOD ccomplete all as specified and directed by Engineer-in-charge. |
| 55 | Supply, fixing , commissioning and testing in replacement of outdoor type , 11 KV gang operated switch with drop out fuse assay complete of current rating upto 200 Amps 4 insulator Vertical type triple pole each pole consisting of galvanized steel based HT insulator as per IS non ferrous knife and spring loaded contacts, arching horns of adequate section to break magnetizing current of the transformers vertical GI of adequate length for phase separation , adequate length of GI pipe operation from ground leveland operating handle with locking arrangement complete in both OFF and ON positions. All ferrous parts hot dripped galvanized and non ferrous heavily tinned to with stand weather suitable for vertical mounting including taking out old GOD complete all as specified and directed by Engineer-in-charge. |
| 56 | Supplying ,fixing danger notice board of 1.6 mm thick mild steel sheet , viterous enamelled white , with letters , figures and conventional skull and bones in signal red colour and fixed with MS clamps , bolts for HT 25X20 cm size complete all as specified and directed by Engineer-in-charge. |
| 57 | M&L for painting of two pole/four pole structur including cross arms,chanel etc complete structure after scraping old paint with two coats synthetic aluminium paint after applying one coat of zinc oxide primer complete all as directed by Engr-in-Charge |
| 58 | M&L for painting of OCB\"s from inside and outside by applying two coats of synthetic enamel paint (Smoke grey)after scraping and removing old paint and writing SM/MES No., Incoming and outgoing details complete all as specified and directed by Engineer-in-charge. |
| 59 | M&L forcalibration ofearth fault relay ,and over load relay with accuracy ofOCB/VCB and setting and testing the tripping system as directed by Engr-in-charge and servicing of OCB/VCB , cleaning the rust and dust of metal partand applying lubrication to all moving parts complete all as specified and directed by Engineer-in-charge. |
| 60 | M&L for painting in two coats with first quality ofsynthetic enamelled paint over a coat of red oxide primer after complete removal of existing finish to step up / step down transformer of capacity 50 to 500KVA complete all as specified and directed by Engineer-in-charge. .(Note: Proper shutdown including dismantling of primary / secondary connections and refixing the same to be ensured) |
| 61 | M&L for post type, porceline, vitreous, brown insulator including one cast Iron post with nuts, bolts washers etc of tensile strength 2050 kg hight 254 mm, insulation part dia 176mm and pitch circle dia 76mmtop and bottom as per IS 731, 2544 and 5350 sutable for 11 KV grade including taking down old insulator complete all as specified and directed by Engineer-in-charge. |
| 62 | M&L for pipe in pipe chemical earthing with GI pipe electrode 3.0 m long having outer pipe dia 80 mm & inner pipe dia 50 mm duly filled with highly conductive and anti corrosivecompound of required quantity having chemical composition Bentonite 40%, copper sulphate 20%, Gypsom 5%, Graphite 10%, Alum 5%, Zinc sulphate 10%, Aluminium sulphate 10% burried in ground by digging a bore of 150 mm dia surrounded by soil friendly backfill compound non soluble in water including connection with galvanised earth strip 32 x 6 mm, making PCC pit of size 0.3 m x 0.3 m x 0.3 m (inner size) in mix 1:3:6 type C1 with RCC 1:2:4type B-1, 40 mm thick cover reinforced with 8 mm dia MS bars 3 Nos both ways with lifting hook made out of 8 mm dia bar and testing on completion to achieve value not more than 1.0 ohm complete. (Note - GI strip size 32x6 mm upto 7.5 m included in the item). |
| 63 | Supply, fixing and testing dry type 11 KV/3/110V/ 3 potential transformer (PT) suitable for 11 KV , 3 phase , 50 Hz ,class 1A, 50 VA complete suitable for VCB 11 KV including taking out old unserviceable PT any type complete all as specified and directed by Engineer-in-charge. |
| 64 | Supply and fixing Dew guard is a passive solution for mitigation of condensation of tempreture between-30 deg C + 90 deg C, it is halogen free and silicon free, environment friendly and can be disposed of in regular trash of size 150 x 250 x 2 mm including fixign arrangement with strong addishve double sided tap all as spd and directed by engrs in charge. |
| 65 | Power pack of suitable capacity contained maintenance free battery and charger to provide auxilary power supply to the VCB complete all as specified and directed by Engineer-in-charge. |
| 66 | Excavation in trenches in any type of hard/dense 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,Foundation filling of poles or stays. |
| 67 | Returning filling, in including spreading ,leveling, watering and well ramming in layers not exc 25 cm each all as required. |
| 68 | 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. |
| 69 | M&L for good quality dry sand cushioning to under ground electric cable and under the cable for protection , cable on layer of 8 cm thick before laying the cable and second layer of 15 cm thick after laying the cable all as specified and directed by Engr-in-Charge.Note :Sand shall be fined sand as specifed and punned thickness shall be measured and paid. |
| 70 | Supply and laying un-reinforced precast conrete cable cover suitable for 11000 volts grade HT UG cable laid the length of cover prependicular to the direction of cable of class HV type 1 flat size 300 mm x 180 mm x 40 mmall as directed. |
| 71 | Supply and laying connecting and testing XLPE insulated screened, PVC bedded, galvanized steel strip or wire armoured heavy duty electric power cable with aluminium conductor 11000V grade cross sectional area 95 Sq mm 3 core complete all as specified and directed. |
| 72 | M&L GI pipe light grade with all fitting laid in trenches and under road/floor/culverts along with pole etc 80mm bore complete all as specified and directed. |
| 73 | M&L for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable size95 sqmm complete all as specified and directed. |
| 74 | M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable size95 sqmm complete all as specified and directed. |
| 75 | M&L for Cable jointing kit for 11 KV (Earthed) grade cable for Straight through jointheat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable size95 sqmm complete all as specified and directed. |
| 76 | M&L for checking and finding pin point location of fault in HT 11 KV UG cable of any size with the help of fault locating mobile machine complete all as directed.Note :(i) Rate for rent of the fault locating mobile machine, charges for operator, engineer, electricians etc are deemed to be included in the quoted rate.(ii)Fault should be located and repaired within 12 hours |
| 77 | Supply and fixing of Replacement of heavy duty Exhaust Fan 450mm with loverscomplete all as directed (For H TPanel Room MRS) |
| 78 | Material &labour for Stay assembly complete with accessoriessuch as MS stay plate of size 300mmx300mmx6mm thick, stay rod 20mm dia, stay bow, nuts, bolts and check nuts of GI including GI stay strand of size 7/4 mm all as shown in electrical plate No. 1 of SSR Part-I of 2009 or directed by Engr-in-charge.Note: Earth work ( Excavation, Returning & refilling and removal), PCC, stay clamp and loop type insulators will be measured and paid separately under relevant schedule items). |
| 79 | M&L for Loop type insulator large size with overall dimensions 90x140mm with clearance of hole 25.5 mm vitreous white brown or green complete all as specified. |
| 80 | M&L for Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, white, brown or greendisk working pressure 11000 volts complete all as specified. |
| 81 | Supplying and laying synthetic Rubber insulated matsof size 2mX 1mX2.5 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety all as specified and directed . |
| 82 | M&L for plain cement concrete (1:4:8) type D-2 (Using 40 mm graded crushed stone aggregate) as in foundation for poles mass concretes or in any indicated positions etc complete all as specified |
| 83 | M&L for plain cement concrete (1:3:6) type C-2 (Using 40 mm graded stone aggregate) as in foundation filling and mass concrete for stay complete all as specified |
| 84 | M&L for plain cement concrete (1:2:4) type B-2 (Using 20 mm graded stone aggregate) for coping of pole complete all as specified |
| 85 | Supplying and laying synthetic insulating mat of size 2Mtr x 1 Mtr x 19 mm class B, dielectric strength 45KV, complete all as specified and directed |
| 86 | M&L for sprading of agreegate for loose filling of hard core broken to gauge n exc 63mm graded complete all as specified and directed. |
| 87 | Supply and fixingDroup out Switch 11KV GOD Switches (Two in One Unit) complete all as directed by Engineer-in-charge. |
