85845MAINTENANCE / REPAIR OF VCB, ACB, PROTECTIVE DEVICES, HT UG CABLES, HT DISTRIBUTION SYSTEM, PANNELS, EARTHING AND OTHER MISC HT WORK OF ELECTRIC SUPPLY IN AREA NO-III AND OTHER AREA UNDER GE (SOUTH) PUNE.

Amount

Dehydration and Filteration of 22 KV grade Transformer oil through stream line filteration plant for extracting moisture content in the oil and carbon deposits and achiving the dielectric strength to 40 KV for 1 minute with a sphare gap of 2.5 mm and also checking the acidity of oil with acidity test kit and submitting the necessary test kit report /certificate, refilling the filtered oil into 2000 KVA transformer etc as specified and directed by Engr in charge. Note: The filtration includes taking necessary connection to filtration plant from the transformer to their hose pipe by opening the inlet and outlet of transformers and closing the same after filtration.

Taking out HT VCB ,22 KV grade 1250 Amps rating from HT panel for servicing / repairs by dismantling the HT VCB operating mechamism, inspection of control wiring realignment of moving contacts with fixed contacts assy, vaccum interrupter ,checking of relays for protection. greasing of all moving parts of mechanis, checking and realignment of mechanism for its proper functioning and operation, re-assembling of HT VCB , fixed in its original position , testing for functions, and commissioning complete all as directed by Engr in charge.

S&F in repair HT bushing spout of fibre or as per existing for 22 KV HT VCB 1250 Amp rating and removing the unsv spout complete all as directed by Engr in charge.

Supplying and laying synthetic rubber insulated mats 3 mm thick for vltage upto 33 KV (size 2 mtr x 1 mtr) for electrical purpose as per IS 15652-2006 suitable for electrical shock safety complete all as directed by Engr in charge.

Calibration of 22 KV grade HT VCB relays of various types by OEM through primary & Secondary injection method by bringing relay test kit and other required measuring equipments to the site, after testing refixing to VCB 22 KV panel all as directed by Engr-in-Charge. Note- Certificate of this test will be provided by the contractor free of cost.

Testing of HT current transformer (set of three) through primary current injection method and also checking the connected panel wiring by brining required test kit and other required testing equipment and also checking tripping and closing operation complete all as directed by Engr-in-Charge.

Supply, install, test, commissioning of 22 KV grade HT VCB current transformer in repair CT of 22 KV grade with CT ratio 200/100 5/5 fixed with HT VCB 122 KV including necessary cable connection etc suitable for fixing in HT panel board including modification required at site to be carried to fix CT upto recess/coils including removing the burnt CTs complete all as directed.

M&L for checking of Potential Transformer by conducting ratio test/meggering for IR values, provided in VCBs 22 KV feeders checking of control wiring meters, relay and tripping system.complete all as directed by Engr-in-Charge.

S&F in repair PT for HT OCB/VCB 11/22 KV/110 volts/3, 100 VA resincast appoxy moulded with metal enclosure as per site requirement and connecting bus bar including providing bus bar complete all as directed by Engr-in-Charge.

S&F HT Voltmeter, range 0 to 33 KV auxillary supply 110 Volts suitable for fixing with exixting HT VCB 22 KV panel.complete all as directed by Engr-in-Charge.

S&F ammeter suitable for fixing with existing HT VCB 22 KV panel ratio like 300/5,200/5,100/5 complete all as directed by Engr-in-Charge.

Supply only hand gloves HT for operating / handling sub station 22 KV ISI Marked.complete all as directed by Engr-in-Charge.

S&F in repair breather assembly suitable for existing transformer 2000 KVA capacity after removing the unserviceable one complete all as directed by Engr-in-Charge.

Repair to transformer to arrest oil leakage by removing transformer oil , dismantling the top cover alongwith conservator tank/ OLTC, replacing the top gasket washer etc replacement of HT/LT bushes complete dismantling the cooling fins and welding where leakage to arrest oil leakage and reassembling the transformer, refilling filtered oil testing complete for transformer capacity 2000 KVA all as directed by Engr-in-Charge

Dismantalling the exsisting Transformer by disconnecting incoming and outgoing HT/LT cables/sandwitch duct connection and remove the 2000 KVA transformer tank top cover /lid of 22 KV grade , draining out the transformer oil and keeping in safe custody in clean and dry containers for reuse. and carrying out the maintenance work by experienced and qualified Engineer , dismantling the OLTC , dismantling HT/LT bushings from core winding and lifting the core assy carefully without damaging by using the tripod/ chainpully/crane etc, cleaning / removing the sludge from the transformer tank, cleaning the OLTC and checking the serviceability of the coil / core winding , checking the condition of the body , cleaning the coil/ core assy , refixing of core , core assy , OLTC, HT/LT winding connection, connection of protective devices like buckholz relay connection,winding temperature indication ,oil temperature indication including fixing new gaskets to transformer top and all other places gaskets/washer , terminal studs of HT/LT sides and reassembling of transformer after repairs, refitting the transformer coil incl improvement of insulation resistance value within desired level by heating or any other method to required level complete all as directed to the entire satisfaction of Engr in Charge. Note- Filteration of oil will be measured and paid separately .

Supply only silica gel in the transformer breather assy including taking out UNSV silicagel complete.

Supply only HV Bushing suitable for 2000 KVA transformer including connection complete all as directed.

Supply only LV Bushing suitable for 2000 KVA transformer including connection complete all as directed.

Supply only copper terminal stud , both end threaded complete with double nuts and washers with heat resistant gasket suitable for 2000 KVA transformer LV side 415 volts including connection complete all as directed.

Supply and filling transformer oil duly filtered and tested confirming to IS 335 1963 as amended including all testing complete all as directed.

Supply only (HV side) copper winded coil of existing type size and guage 22000 volts complete with insulating material for trnsformers of 2000 KVA complete all as directed.

All as per item No 21 here- in- above but LT side, 415 volts grade complete all as directed.

Servicing / repairs of Automatic Voltage Regulator for its healthy functioning of voltage tap required for LT switchgears installed for each transformer of 2000 KVA by taking shutdown of each transformer . Checking for operating mechanism, inspection of control wiring, tap changer meter, relay wiring for AVR, greasing of all moving parts of mechanis, checking and realignment of mechanism for its proper functioning and operation, re-assembling of AVR , fixed in its original position , testing for functions, and commissioning complete all as directed by Engr in charge.

Servicing / Caliberation / Repairs to Air Circuit Breaker 800 to 3200 Amps by OEM of ACB only for EDO ( Electrically Draw Out) type/ MDO tpe(Mannually Draw out type). Taking out ACB for servicing / repair and checking / caliberation of microprocessor release,Earth fault protection of 4 pole, 50 KA breaking capacity 415 volts with all draw out type mechanism, advanced self powered electronic protection units, neutral overload protection, automatic earth fault relay / over current relay , automatic safety shutter, inbuilt temperature protection, icu=ics=icw(1s)=50 KA fixed in panel complete including relay wiring checking ,LT UG cable connection with main incoming ACB complete connection for its healthy functioning all as directed by Engr in charge. Note- Certificate of Servicing /Caliberation shall be provided by the contractor free of cost.

S&F in repair protection releases for air circuit breakers microprocessor based type suitable for existing breakers as per site make / requirement including taking out breakers after taking shutdown of electric supply complete all as specified and as directed by Engr-in-Charge.

S&F in repair earth fault realease for air circuit breakers microprocessor based type suitable for existing breakers as per site, make / requirement including taking out breakers after taking shutdown of electric supply complete all as specified and as directed by Engr-in-Charge.

S&F in repair shunt realease for air circuit breakers microprocessor based type suitable for existing breakers as per site make / requirement including taking out breakers after taking shutdown of electric supply complete all as specified and as directed by Engr-in-Charge.

S&F in repair under voltage realease for air circuit breakers microprocessor based type suitable for existing breakers as per site make / requirement including taking out breakers after taking shutdown of electric supply complete all as specified and as directed by Engr-in-Charge.

S&F in repair lockable trip push button for air circuit breakers microprocessor based type suitable for existing breakers as per site make / requirement including taking out breakers after taking shutdown of electric supply complete all as specified and as directed by Engr-in-Charge.

M&L for bringing Cable testing van (Fault Finder) for detecting the location of fault in the HT UG cable of any size complete all as specified and as directed

Supply,laying, testing and commissionnig of HT cables 22 KV grade (Earthed), XLPE insulated and PVC bedded galvanized steel strip armoured electric power cable (heavy duty) with aluminum conductor, conforming to IS - 7098 part-II, including removing unsv cable complete of sizes 185 Sqmm 3 core.

S&F in repair indoor type HT 22 KV end termination Kit cold shrinkable type suitable for XLPE cable of size 3 core 185 Sqmm by removing burnt / unsv joints from VCB complete all as directed by Engr in charge.

S&F in repair outdoor type HT 22 KV end termination Kit cold shrinkable type suitable for XLPE cable of size 3 core 185 Sqmm by removing burnt / unsv joints from transformer complete all as directed by Engr in charge.

S&F in repair HT 22 KV straight through jointing Kit cold shrinkable type suitable for XLPE cable of size 3 core 185 Sqmm by removing burnt / unsv complete all as directed by Engr in charge.

Design, supply,install, test and comissioning of LT panel outdoor type, 1100 volt grade 3 phase 415 volts, 50 Hz, AC supply IP 54, dust and vermin proof Panel of suitable size for out door installation factory made both front and rear side double door system, fabricated with 3.15 mm thick CRCA sheet for load bearing members and 2 mm thick for doors and covers and shall be painted with epoxy powder paint by means of electro static gun after rigorous pre treatment comprising of cold phosphating process on all internal and external surfaces after due preparation of surfaces. The panel shall consist of 600 ,Amps rating TPN bus bars of high conductivity aluminium alloy and shall be provided with colour coded heat shrinkaable sleeves,with 600 mm depth of the panel. The panel shall be modular/cubical type with bus chamber cable and provided with separate fully compartments for each switch including instrumentation such as Ampere Meter, Volt meter, Phase indicating lamp with double stud hinged door , front and rear openable with locking arrangement and suitable to with stand short circuit fault level of not less than 10 KA and degree of protection shall be IP 54 . The panel shall be fixed with angle iron frame made of angles of size 50x50x6 mm , embedded 200 mm below ground level in PCC 1:2:4, Type B1 using 20 mm grade stone aggregate , 600 mm above ground level and comprising the following including taking out of old panels etc , removing of cables and connecting to new panels with all required material such as glands, lugs etc

(a) MCCB 4 pole 400 Amps capacity rup cap 36 KA at 415 volt 50 Hz AC fixed thermal magnetic release type and earth leakage protection ICS =100% ICU with rotary handle - 01 No incoming

(a) MCCB 4 pole 250 Amps capacity rup cap 25 KA at 415 volt 50 Hz AC fixed thermal magnetic release type with rotary handle - 02 Nos Out going

(b) MCCB 4 pole125 Amps capacity rup cap 16 KA at 415 volt 50 Hz AC fixed thermal magnetic release type with rotary handle - 02 Nos Out going

(c) MCCB 3 pole 63 Amps capacity rup cap 16 KA at 415 volt 50 Hz AC fixed thermal magnetic release type with rotary handle - 02 Nos Out going

(d) LT Danger notice plate -01 No

(e) Panel Control wiring complete with suitable size copper conductor cable and suitable size gland for LT cables

Supply, laying, testing and commissionnig of LT cables 1100 volts grade, XLPE insulated and PVC sheathed, armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 1554 part-I, including cable glands, crimpimg type cable lugs in LT panel / MCCB in bldg etc to suit the cable laid in trenches/fixed to poles/drawn through pipes complete of sizes 400 Sqmm 3.5 core.

Supply, laying, testing and commissionnig of LT cables 1100 volts grade, XLPE insulated and PVC sheathed, armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 1554 part-I, including cable glands, crimpimg type cable lugs in LT panel / MCCB in bldg etc to suit the cable laid in trenches/fixed to poles/drawn through pipes complete of sizes 300 Sqmm 3.5 core.

Supply, laying, testing and commissionnig of LT cables 1100 volts grade, XLPE insulated and PVC sheathed, armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 1554 part-I, including cable glands, crimpimg type cable lugs in LT panel / MCCB in bldg etc to suit the cable laid in trenches/fixed to poles/drawn through pipes complete of sizes 240 Sqmm 3.5 core.

Supply, laying, testing and commissionnig of LT cables 1100 volts grade, XLPE insulated and PVC sheathed, armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 1554 part-I, including cable glands, crimpimg type cable lugs in LT panel / MCCB in bldg etc to suit the cable laid in trenches/fixed to poles/drawn through pipes complete of sizes 185 Sqmm 3.5 core.

Supply and laying 80mm bore light grade GI pipe fixed to walls / poles or laid in trenches, road crossing etc, for protection of under ground cable including sealing ends with hessian cloth impregnated with bituminous compound in ground and with suitable clamps, bolt/nuts etc for fixing on walls, poles etc. complete all as specified and directed.

Supply and laying 50mm bore light grade GI pipe fixed to walls / poles or laid in trenches, road crossing etc, for protection of under ground cable including sealing ends with hessian cloth impregnated with bituminous compound in ground and with suitable clamps, bolt/nuts etc for fixing on walls, poles etc. complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for laying of cables etc. and getting out in the following type of strata complete all as specified and as directed by the Engineer-in-Charge.

(a) Soft/Loose soil

(b) Hard/ Dense soil

(c) Soft/disintegrated Rock

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by the Engineer - in - Charge.

Removal of excavated material [soil] to a distance not exc 50m and depositing where directed at a level not exc 1.5m above the starting point where directed complete all as specified and as directed by the Engineer - in - Charge.

M&L for laying reinforced concrete pipes for cable protection, class NP2 of dia 100 mm, 2 nos half round (for bottom and top) and before laying exacaved area shall be leveling all as specified and directed Engr-in-charge.

M&L for Earthing complete (Generator, Transformer, lightning arrestor and feeder pillar box) with galvanised steel earth plate electrode '60cm × 60cm × 6mm thick, buried 'directly in ground (earth pit not less 'than 2.25 metres deep below normal ground 'level) with top edge of the plate not 'less than 1.5 metres below normal ground level', connected to 'galvanised iron strip 32x6mm by means of bolts, nuts, check 'nuts and washers of galvanised iron or steel earth strip protected by provision of GI 'medium grade' pipe 40mm bore including provision of concrete pit in PCC (1:2:4) type B1 (using 20mm graded stone aggregate) with 40mm thick cover in RCC (1:2:4) type B-1 reinforced with XPM (weight not less than 4 kg/sqm) and frame made out in MS angle iron of size 25x25x3mm with lugs 02 Nos and with MS handle made in 6mm dia round bar made to shape, including GI 'medium grade' 20mm bore pipe for watering, perforated at bottom 1.75m long placed on top edge of earth plate including including provision of mixture of charcoal dust & common salt packed upto minimum 150 mm all around the earth plate, test point made out of ohosphorus bronze with fixing arrangement ,funnel, wire mesh and earth work in hard/dense soil returning filling in and removal of surplus soil to a distance not exceeding 50mtr all as shown in electrical plate No. 3 of SSR Part I 2009 connected to earthing test point all as specified or indicated 'including testing on completion.NOTE:-GI strip and GI pipe 40mm bore medium grade for encasing GI strip upto 7.50m length per earthing shall be deemed to be included in the unit rate.

Supply, installation, commisioning and testing of chemical earthing for GI pipes one inside the other with proper galvanization. The outer dia is of 88 mm & inner dia is 48 mm and the cavity fiilled with highly conductive, non corrosive material. There is a additional copper coating on the outer surface. with supply of fast electrode earth enhancement compound/(2 bags 25KG) which is highly hygroscopic, non corrosive & good PH valvue certified by NABL approved lab and incl copper earth plate 90x60 cmx5 mm and copper earth strip 32x6 mm (with nuts, bolts & check nuts) and riveted to earth electrode at one end and connected to metallic bodies of equipments etc at the other, earth strip encased in and including 40mm bore GI medium grade pipe with all fittings from top of electrode to body of equipment fixed with and including 40 x 6mm flat iron clamps, bolts, nuts and washer complete with earth pit in PCC 1:2:4 type B-O using 12 mm graded crushed stone aggregate, RCC cover, funnel, wire mesh including necessary excavation and earth work , etc.complete all as specified and directed by Engr-in-charge. Note : 1. The earthing result should not be less than 1 ohm and testing equipment shall be provided by contractor on no any extra cost.

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 32x6 galvanized iron strip, complete all as specified and directed.

M&L for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 32x6 Copper strip, complete all as specified and directed.

M&L for bringing Cable testing van (Fault Finder) for detecting the location of fault in the LT UG cable 1.1 KV of any size complete all as specified and as directed

M&L for replacement for heat shrinkable Straight through jointing kit for LT 1.1 KV XLPE cables 120 to 400 Sqmm 3.5 core including all accessories required.

M&L for replacement for heat shrinkable Straight through jointing kit for LT 1.1 KV XLPE cables 50 to 95 Sqmm 3.5 core including all accessories required.

M&L for replacement for heat shrinkable Straight through jointing kit for LT 1.1 KV XLPE cables 16 to 35 Sqmm 3.5 core including all accessories required.

KSP ENTERPRISES

Star Electrical

M/S - KRUPA ELECTRICALS

Rama Electricals

CHAITANYA WINDWELL