REPAIRS / MAINTENANCE OF POWER/DISTRIBUTION TRASFORMERS, RMU, VCBs, CONTROL PANEL TESTING AND CALIBRATION OF EARTH FAULT RELAYS, HT/LT UG CABLES, OH LINES, GODs AND OTHER CONNECTED WORKS AT DEOLALI UNDER GE DEOLALI

Amount

Preventive maintenace/ servicing of 11KV VCBs of make CG ( 04 No MAP Sub stn, 05 No ACPH, 01 No CFP) by dismantling of breaker mechanism checking the various critical setting in mechanism, checking of spring charging mechanism, checking of pole contact setting, greasing/ lubricating of mechanism moving parts, checking of contact pressure, alignment and adjusting the same, adjusting of spring charging mechanism & triping test trial & testing of VCBs for smooth and correct fuctioning.

Preventive maintenace/ servicing of 11KV VCBs of make ABB ( 04 No MAP sub stn, 04 No ACPH,01 No MH DVL, 01 No Dharna pumping stn) by dismantling of breaker mechanism checking the various critical setting in mechanism, checking of spring charging mechanism, checking of pole contact ( Male & Female) gap setting, greasing/ lubricating of mechanism moving parts, checking of contact pressure, alignment and adjusting the same, adjusting of spring charging mechanism & triping test trial & testing of VCBs for smooth and correct fuctioning.

Preventive maintenace/ servicing of 33 KV VCBs of make ALSOM/CG/ABB( ACPH-02 No, MAP sub stn-01 No) by dismantling of breaker mechanism checking the various critical setting in mechanism, checking of spring charging mechanism, checking of pole contact setting, greasing/ lubricating of mechanism moving parts, checking of contact pressure, alignment and adjusting the same, adjusting of spring charging mechanism & triping test trial & teting of VCBs for smooth and correct fuctioning.

M&L for replacement of old silica gel breather container with new one of suitable capacity (500g-2000g) complete all as specified for trasformer 63 KVA to 500 KVA all as directed.

Supply and fill silica gel crystal in the transformer breather container all as directed at site

Filtration of Oil of serviceable distribution/power transformers at site in running condition by heating process taking out the moisture and impurities under vacuum and refilling in transformer upto required level having Die-electric strength Min. 40 KV for 2.5 mm Gap.

M&L replacement of Drain Plug of Transformers as per existing size and make up to 500 KVA

M&L for repairs to leaking trasformers at site up to 500 KVA by opening the top cover, draning the transformer oil to the level just below the bushing, replacing the all four bushing of LT side and 3 busing on HT side with connecting rod, replacing the oil gaskets of bushings on HT & LT side, replacing the top oil gasket, reassebling, testing etc comlpete all as directed by Engr-in-Charge.(Note-all materials required at site is deemed to be included in rate quoted)

M&L for Filling /topping of new transformer at various location at site as directed ,transformer oil Confirming to IS: 335 having dielectric strength not less than 60 KV complete including centrifuging of oil (if required) up to getting dielectric strength near 60 KV all as specified and directed by the Engineer-in-Charge Make:- Power oil & Equivalent approved by GE Note : (i) Transformer oil shall be supply only in sealed barrel of 210 ltr each (ii) Item Rate includes transportation & T&P reqiuired

M & L for calibration of over load current and earth fault relay of make L&T/ Ashida/ CG through secondry injection method with artificial load for 11 KV & 33 KV HT VCB of make CG/ABB all as specified & directed.

S&F in repairs Ameter digital type with 3 Ph( R-Y-B) of rating 0-100 Amps digital type of make- ELMEASSURE Model no- SL 1330 for existing 11 KV VCBs of make- CG and making all necessary electrical connections all as specified and directed by Engineer-in-charge.

S&F in repairs Volt meter with 3 Ph( R-Y-B) digital of rating 0-11000 volt digital type of make- MECO for existing 11 KV VCBs of make- ELMEASSURE Model No- ALPHA+ 3V and making all necessary electrical connections all as specified and directed by Engineer-in-charge.

M&L in repairs for over current and earth fault relay of make L&T, Model No - MC-31A, sutable for 11 KV VCB ( indoor type) all as specified

M&L in repairs for over current and earth fault relay of Make : L&T Cat Part No. MC-61AnX sutable for 11 KV VCB ( indoor type) all as specified

M&L in repairs for over current and earth fault relay of Make CG Cat Part No.CGI 14N RELAY sutable for 11 KV VCB of make CG (indoor type) all as specified.

Supply and fix in repairs and testing in replacement OC & EF IDMT Relay Model Name/Number: ADR-141 C, 18-250 VAC/ DC, make- Ashida suitable for 11 KV VCB

M&L in repairs for triping/ closing coils assemby suitalbe for 33KV of make ABB out door type complete all as specified and directed.

M&L in repairs for triping/ closing coils assembly suitalbe for 11 KV of make ABB indoor type complete all as specified and directed.

M&L in repairs for triping/ closing coils suitalbe for 11 KV of make CG indoor type complete all as specified and directed.

Supply & fix in repairs big gear of spring charging mechanism for 11 KV VCB of make CG

S&F in repairs indicating lamps of existing VCBs 11 KV and making all necessary connection complete all as specified and as directed.

Supply & fix in repairs Spring Charging Motor of ABB 33 KV VCB at umrao vihar sub station.

Supply & fix in repairs Spring Charging Motor of ABB 11 KV VCB at ACPH & umrao vihar sub station.

Supply & fix in repairs Spring Charging Motor of CG 11 KV VCB at ACPH & umrao vihar sub station.

Supply & fix in repairs vacuum interupter bottles 400 A for 11 KV VCB of make CG

Supply, installation, testing and commissioning of CT 11 KV epoxy resin cast type ratio 100-50/5/5 Amps, accuracy Class-I single pole (Three core type) fixing on existing 11 KV VCB panel of make CG including necessary connections, any modification/addition/ alteration required for fixing CT is deemed to be rate quoted including taking down old CT, all as directed by Engineer-in-Charge.

M&L for scrubbing out old paint, rust etc from HT 33 KV main receiving yard (AC Power House) consisting of vertical channel 14 Nos and horizontal channel 40 Nos, Capacitor bank structure- 2 nos consisting GI Pipe, Brasing frame, clamps and all nut and bolts including fencing 50 mtr long and 2 mtr height and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of 33 KV yard structure all as directed at site

M&L for scrubbing out old paint, rust etc from HT 33 KV main receiving yard (MAP Power House) consisting of vertical channel 16 Nos and horizontal channel 20 Nos, Capacitor bank structure-01 no consisting GI Pipe, Brasing frame, clamps and all nut and bolts including fencing 30 mtr long and 2 mtr height and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of 33 KV yard structure all as directed at site

Supplying, fixing, jointing and testing heat shrinkable cable end joint , out-door type with and including jointing materials suitable for 11 KV , XLPE cable of size 95 sqmm , 3 core , complete all as specified and directed .(NOTE:- excavation & earth work will be measured & paid separately)

All as item No 29 above but 3 core 95 Sqmm indoor type aluminium conductor

All as item No 29 above but 3 core 120 Sqmm to 185 Sqmm aluminium conductor

Supplying, fixing, jointing and testing heat shrinkable cable end joint , in-door type with and including jointing materials suitable for 11 KV , XLPE cable of size 3 core 120 Sqmm to 185 Sqmm , complete all as specified and directed .(NOTE:- excavation & earth work will be measured & paid separately)

M&L cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm. (NOTE:- excavation & earth work will be measured & paid separately)

All as item No 33 above but 3 core 120 Sqmm to 185 Sqmm aluminium conductor.

Supply, installation and testing gang operated air break switch in replacement 11 KV, 3 pole vertically mounted type, mechanically operated, mounted on steel frame with operating mechanism, worked from ground level for current upto 200 Amps and 9 insulators suitable for 11 KV, complete all as specified and directed.

All as item No 35 above but current rating upto 400 Amps

S&F drop-out fuse unit, expulsion type for out door air break gang operated switch, single pole mounted on and including insulators and jumpers for 11kv working pressure fixed to and including MS channel with nuts, bolts and washers etc, systhetic bounded fuse tube complete with line cap suitable for current carrying capacity upto 100 Amps all as directed

Supply, fixing and testing in replacement single pole non linear type lightning arrestor having rated voltage 11 KV and discharge current 65 KA suitable for 11000 volts,transmission class with connecting device complete all as specified and directed.

Suppy and fix in replacement pin insulator with hardware for 33 KV line.

Supply and fix in replacement Disc insulator with hardware fitting for 33 KV line.

Suppy and fix in replacement post insulator for 33 KV line.

S&F in replacement pin type insulators porcelain, vitreous, white/brown/green colour for 11 KV grade including 1 Galvanized MS spindle, 1 galvanized iron nuts,2 GI washers of size 150 mm dia,150 mm height confirming to IS 731 of 1971

Supply and fix in replacement single disc insulator porcelain viterous, 145 mm high and 255 mm dia ball and socket type white /brown / green with tension clamps for conductor working pressure 11000 volts

M&L for locating the fault on HT cable 11 KV by using fault dector machine vehicle mounted including transportation material and all accessories tools and carrying out high pressure test. All asdirected by Engineer-in-Charge. (Note:- Excavation, earth work, cable Jounting kit & other materials required for clearing the fault shall be measured and paid separetely under the respective items)

Repair/overhauling of air break switch 33 KV complete by applying electrolytic grease to stationary, and moving contacts, and replacing unserviceable fexible copper earth strips, GI nuts, bolts, operating mechanism and operating handle( 32mm med GI pipe Approx 5.0 RM) etc incl alingment for smooth functioning from ground level all as req uired at site and as directed by E-in -charge.

Repair/overhauling of air break switch 11KV complete by applying electrolytic grease to stationary, and moving contacts, and replacing unserviceable fexible copper earth strips, GI nuts, bolts, operating handle and operating pipe 25 mm med grade Approx 6.0 RM etc incl alingment for smooth functioning from ground level all as required at site and as directed by Engr-in-charge.

Supply,Laying , jointing and testing underground cable in replacement heavy duty, 11000 Volts, XLPE insulated and sheathed, armoured with multi-stranded aluminium conductor cable , laid in trenches/ducts or fixed to poles/walls or laid under roads/paths/drains/culverts duly encased in galvanised steel pipe of suitable sizes complete all as specified and directed of 95 sqmm 3 core size.

All as item No-47 above but 3 core 120 Sqmm

Supply, Laying , jointing and testing in replacement of LT underground cable, heavy duty, 1100 Volts, XLPE insulated and sheathed, armoured with multi-stranded aluminium conductor cable , laid in trenches/ducts or fixed to poles/walls or laid under roads/paths/drains/culverts duly encased in galvanised steel pipe of suitable sizes including cable gland of suitable sizes and aluminium lugs for connection complete all as specified and directed of following size:-

3.5 core150 sqmm

3.5 core120 sqmm

Supply & lay in trenches double walled corugated HDPE pipe 75 mm dia high density for protection of under ground cables( Note: pipe couplers with seal, bends, end covers etc are deemed to be included in rate quoted)

Excavation in trenches n. exc. 1.5 mtr in wide and n. exc. 1.5 mtr in depth for laying of underground cable and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches exc. 1.5 mtr in wide and n. exc. 3.0 mtr in depth for for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc and getting out in soft/loose soil complete all as specified and directed.

M&L sand for cushioning to under ground cable providing with a layer of and 08 cm thick before laying of cable and 15 cm after laying of cable in trenches, hand punning complete all as specified and directed by Engr-in-charge (Note : punning thickness of 18 cm will be measured for payment)

Supplying and laying unreinforced precast concrete HT cable cover, class HV, type 1 flat , size 300mm x 180mm x 40mm complete all as specified and directed.

Returning, filling in excavated soil in trenches including spreading, leveling, watering and well ramming in layers n. exc. 25 cm thick complete all as specified and directed

Removing of excavted soil to a distance n. exc. 50 mtr and deposited where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

Supplying, install and errect in true vertical position steel tubular swaged welded pole in replacement complete with cast iron/MS base plate 6mm thick and of size 300x300mm, final taper, pole cap, bolts, nuts, washers & screws etc. pole made out of ERW M.S. tubing conforming to IS-2713 part-II type 410 SP-55 (11.0 metre long) HT including of holes of reqd Nos and size for fixing of cross arms, painting with one coat of red oxide primer and two coats of aluminium paint for exposed surfaces and two coats of black bituminous paint for portion embedded in concrete, painting three signal red colour bends at lower portion of exposed pole starting from plinth block , each band of 300mm height at 300mm spacing, painting pole No the black paint by stenciled letters/figures of 8 cm height complete all as specified and directed by Engr-in-charge. (Note:1. Excavation and PCC works will be measured and paid separatly in respected items.)

M&L for cement concrete 1 : 2 : 4 type B-1 using 20 mm graded aggregate as in foundation , filling and mass concrete necessary form work all as specified and directed. (for transformer platform)

M&L for cement concrete 1 : 4 : 8 type D-2 using 40 mm graded aggregate as in foundation for pole including necessary form work all as specified and directed

M&L Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts,bolts,washers, welding , bending cold or hot, drilling holes for bolts,in any shape or sizes as indicated or directed and inclusive of one primer coat and two coats of alluminium paint complete all as specified and directed.

Cutting through existing bituminous road /PCC/floor/approx size width 50cm X 60cm depth along cross section of the road for laying of GI tubing/RCC pipe for encasing of cable and repairing the road to match with the original finish complete all as specified.

"M&L earthing GI Strip complete with galvanized steel plate electrode 600 mm x 600 mm x 6.0 mm thick, burried directly in ground vertically in pit of depth not less than 2.25 metre below normal ground level with top edge of the earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides with mixture of charcoal and common salt in alternate layers and electrode connected to galvanized iron strip 32 x 6 mm size by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to main switch board or any other electrical equipment all as shown in electrical plate No. 3 of SSR-2009 Part I and including necessary excavation and earth work in any type of strata, 20 mm bore medium grade GI pipe for watering, funnel with wire mesh, PCC (1:3:6), type C-1 chamber, RCC (1:2:4), type B-1, reinforced with 6 mm dia MS round bars @ 15 cm c/c both way for cover and MS frame etc., complete all as specified.

Supply and fix battery backed power pack input 110 volt AC supply and out put 24 Volt DC, 100 VA as per existing specification for 11 KV VCB, of make ABB

Supply and fix battery backed power pack input 230 volt AC supply and out put 110 Volt DC, 100 VA as per existing specification for 11 KV VCB, of make CG

Repair to residual voltage transformer of capacitor bank 3x65 kvar by uninstalling from the site, taking to work shop, dismantling, replacing the unsrviceable windings,replacing the old gaskets with new one, assembling, testing,painting & transporting to site, installing and testing at site.etc complete all as specified and directed.

Supply & fix HT 12KV 65 KVAR single phase, out door type capacitor for power factor corector capacitor bank. Make Madhav capacitors or equivalent other make approved by GE.

S&F in replacement 12 core 2.5 sqmm copper cable Armoured for control wiring of power transformer

M&L for loading/ unloading and shifting of transformer up to 500 KVA 11KV/415V from one location to another location within 3 KM distance with the help of crane including disconnecting all electrical connection from old place 4pole/2pole/plinth mounted and making all necessary HT/LT electrical connection at new place.

M&L for Removal of Vegitation / undergroth/ bushes and tree branches in the premises of E/M installations ( sub stn) by using mechanical bush cutter and surface excavation, JCB where deemed necessary and cleaning the creepers growing on the fencing of installation and removal of waste vegitation to the nearest dust bin or location as directed of periodicity complete all as specified and directed by eng-in-charge. Note:- Any T&P and transportation required for removing of Vegitation from installation deemed to be included i the quoted rate.

S&F tubing 'light grade' galvanised iron with all fittings and fixed to poles, walls etc. with flat iron clamps/bolts/nuts/washers or laid in floors/under roads complete all as specified and directed of 80 mm bore

All as item No -70 above but 100 mm bore

All as item No -70 above but 50 mm bore

M&L for Old size bricks in cement mortar Brickwork with fly ash bricks, straight or curved on plan exc 6 m mean radius, built in CM (1:6).

Surface excavation not exceeding 30cm deep and averaging 15cm deep and getting out in loose / soft soil all as specified and directed.

Moorum/red bajri filling in floors or pavings, laid in layers n exc. 15 cm thick spread, levelled and rammed including watering

M & L for Hardcore of broken stone or boulders of gauge n exc. 63 mm,deposited,spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified.

M& L RCC 1:2:4 Type Bo using 12.5mm grade stone aggregate as in slab supported on walls,beams and coloumns in floors,roofs,chajjas,landings balconies,canopies,deck slabsand in shelves including formwork complete all as specified and directed.

S&F 10mm dia TMT bars dia and over cut to length bent to shape required including cranking bending, spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.90mm dia of wire or securing with clips all as specified.

M & L for rendering 15 mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 finished even and smooth ( without using extra cement ) complete all as specified and as directed.

M&L for preparation of new plstered surfaces and applying two coat of cement base paint on walls, white or tinted all as specified and directed.

M&L for 150mm Plain Cement concrete type B-1, 1:4:8 (using 40mm graded aggregate) as in floors complete all as specified

Dismantling of ACSR conductors (Weasel /ferret/Mink) from HT pole in any locatoin including insulators all as specified

Dismantling existing unserviceable / damaged HT MS Pole complete all as specified and directed.

Taking down existing defective LT/ HT under ground cable of any size from trenches complete all as directed

M&L for making underground boaring (Manually/Mech) through existing bituminous road/PCC/Floor along cross section approx 10 mtr of the road at a depth approx 1.0 mtr for laying of GI tubing of dia 80/100 mm for encasing of cable all as specified and directed at site.

M&L for scrubbing out old paint, rust etc from HT two pole structure (including, cross arms channels, brackets,GI tubing, anti climbing divices etc complete) and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of two pole structure and writing feeder name 2 " size with white paint on black base all as directed at site

All as item No 86 above but four pole structure as directed at site.

M&L for scrubbing out old paint, rust etc from 11 mtr steel tubular pole of any size including cross arms, brackets & anti climbing divices and making smooth and even surface then painting with one coat of anti rust paint and two coat of superior quality aluminium paint on entire exposed portion of pole structure and writing Abbreviated feeder name in 2 " size with white paint on black base all as directed at site(work shall be completed in the stipulated period as directed by Engineer -in-charge).

M&L for Levelling, cleaning of ground around 4 pole structure/2 pole structure and filling & Spreading evenly stone boulders of approximate size 40 mm size

Supply and fix in replacement galvanized iron strip 32 x 6mm fixed with saddles & fixing screws, PVC dash fastners, insulators fixed from test point to earth on walls or burried in ground / drawn into hume pipe all as specified and direted.

M&L for anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole

M&L for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20 cm size.

S&F route marker for HT cable made out of CI 100 mm dia in round shape 2-3 mm thickness having two hole for mounting on 25x25x5mm angle iron 60 mm long, fixed in ground along the HT cable route with the help of PCC 1:4:8. (rate of PCC & angle iron deemed to be included in rate quoted).

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