REPAIR REPLACEMENT AND MAINT OF TRANSFORMERS AND HT EXTERNAL ELECTRIC SUPPLY AND HT UG CABLES AT BADDOWAL AND MOGA UNDER GE LUDHIANA

Amount

Opening of all electrical connection HT/LT from the bushings/terminal box of the unserviceable distribution transformer of indoor/outdoor type from existing position i.e. two pole structure or PCC foundation of capacity 63 to 160 KVA, of any make and specification for repair, transporting the transformer to repair workshop(upto 100 KM), opening of top cover including conservator, breather and allied items, inspecting the same to assess the repairs required,carryout the repairs. Cleaning, greasing and overhauling including taking out and replacement of unserviceable/worn out parts with new parts, fixing parts by draining out transformer oil complete all as required to make the transformer serviceable. Refilling transformer oil after reassembling , bringing back to the location where the transformer was installed, fixing in original position, connecting all electrical/mechanical connection and testing as per satisfaction of Engr-in-charge complete all as specified and as directed.

All as per Serial item No 1 here-in-before but transformers of capacity 200 KVA to 400 KVA. Notes for item No 1 & 2:- New winding, Transformer oil required for Topping up shall be measured and paid seperately.

Taking out of burnt HT Primary / secondary winding from the unserviceable transformer of any capacity. cleaning all the limbs, rewinding with super enamelled copper wire of same specification of HT winding with existing suitable gauge by calculating numbers of turns as per voltage of transformer complete, varnishing and drying by vaccum impregnating, replacing insulating material gasket with nut bolt etc and testing as per latest IS/BS specification complete all as specified and directed.

Taking out of burnt LT Primary / secondary winding from the unserviceable transformer of any capacity. cleaning all the limbs, rewinding with super enamelled copper wire of same specification of LT winding with existing suitable gauge by calculating numbers of turns as per voltage of transformer complete, varnishing and drying by vaccum impregnating, replacing insulating material gasket with nut bolt etc and testing as per latest IS/BS specification complete all as specified and directed.

Supplying and filling transformer oil ISI marked in sealed drum for transformers, confirming to IS-335 as in topping up / replacement up to desired level of transformer oil capacity with BDV not less than 50 KV complete all as specified and directed.[Note: Dielectric strength of oil should not be less than 50 KV complete all as specified and directed.

M & L for Dehydration of transformer oil on site with dehydration machine to achieve, the required BDV not less than 45 KV for dehydration of transformer oil with mobile stream line transformer oil filtration plant at site with all accessories connected to transformer and carrying out filtration of oil to desired dielectric strength i.e. not less than 45 KV at 2.5 mm gap in existing position of transformer of any capacity and transformer including topping up transformer oil complete upto Level at various sub stations located in scatered area complete all as specified and directed by Engr-in-charge.NOTE-(i) Test certificates shall be submitted for before and after filtration for dielectric strength on the proper format. (ii) Transformer oil used for TOP UP will be measured and paid separately under relavent Item)

S & F in replacement of, LT 415 Volt bushing porcelein vitreous 1100 volt grade as per IS 3347 (ISI marked) for transformer capacity upto 400 KVA complete all as specified and directed.

S & F in replacement of LT 415 volt threaded brass bushing rod as per existing dia and length with nuts, check nuts and washers ISI marked for transformer capacity 63 to 160 KVA complete all as specified and as directed.

S & F in replacement of LT 415 volt threaded brass bushing rod as per existing dia and length with nuts, check nuts and washers for transformer capacity 200 KVA to 400 KVA ISI marked complete all as specified and as directed.

S & F in replacement of HT threaded brass bushing rod as per existing dia and length with nuts, check nuts and washers for transformer capacity 63 to 160 KVA ISI marked complete all as specified and as directed.

S & F in replacement of HT threaded brass bushing rod as per existing dia and length with nuts, check nuts and washers for transformer capacity 200 KVA to 400 KVA ISI marked complete all as specified and as directed.

S & F in replacement of of cork sheet for top cover of transformer 63 to 400 KVA capacity complete all as specified and as directed.

S&F breather assembly complete with silica gel ISI marked as per existing sample in sealed container for transformer capacity upto 400 KVA complete all as specified and directed.

S&F for heat shrinkable straight through joint suitable for 11000 volts XLPE cable aluminium conductor of size 95 sqmm 3 core complete all as specified and as directed.

S&F for jointing and testing HT outdoor type (heat shrinkable) cable end termination joint suitable for HT cable 11000 volts XLPE aluminium conductor cable grade 95 Sqmm 3 core complete all as specified and as directed.

S&F for jointing and testing HT indoor type (heat shrinkable) cable end termination joint suitable for HT cable 11000 volts XLPE aluminium conductor cable grade 95 Sqmm 3 core complete all as specified and as directed.

S&F in replacement switch air break gang operated tripple pole 11000 volt 400 amps mechanically operated, mounted on HT insulators 12 Nos and MS galvanized frame with operating rod of 25 mm bore medium grade GI pipe worked from ground level with locking arrangement for current rating with 12 insulator with drop out expulsion type fuse complete with nuts, bolts and washers etc as required including one coat of aluminium paint over a coat of red oxide primer complete all as specified and directed.

S&F in replacement Lightning arresters expulsion type complete with all fittings,transmission class,discharge capacity 65 kilo amp, 11000 volts complete all as specified and directed.

S&F in replacement expulsion fuse single pole (drop out fuse) mounted on insulator & steel frame upto 25 Amps for 11000 V grade. complete all as specified and directed.

Material and labour for pin type, porcelain, vitreous, white, brown or green insulator of size 150 mm height, 150 mm dia, including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut for 11000 volts grade complete all as specified as directed.

Material and labour for disc type insulator , porcelain vitreous, 145mm high and 255 mm dia ball and socket type, white or green, single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts. complete all as specified and directed.

S&F GI pipe light grade 80 mm dia for protection of cables. complete all as specified and directed.

Boring of holes under road, pavement, hard standing by trenchless technique and necessary T&P with 100 mm dia of road for passing of LT/HT cables complete all as specified and directed.

Supplying, laying, jointing, testing and commissioning HT XLPE cable, 11000 volts (earthed), insulated, screened, sound compacted aluminium conductor, screening with extruded semi conducting layers, insulation screening with copper tape covers laid up with PVC (ST-2), extruded inner sheathed GI strip armoured PVC (ST-2) out sheathed, ISI marked with IS-7098 Part II with amendment, size 95 Sqmm, 3 core , laid in trenches /pipes /ducts /along poles/ walls/ equipment etc including taking down of old cables complete all as specified and directed. NOTES : (i) Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured and paid separately.

M & L for painting to existing HT feeder piller box with two coats of siemens grey paint over one coat of red oxide primer including removing of old paint scratching and perparing the suface complete all as specified and as directed.

M & L for painting to existing transformer on PCC/steel two/four pole & PCC plateform of capacity 63 to 160 KVA with two coats of smoke grey paint over one coat of red oxide primer by spray including cleaning the body surface of transformer by rubbing with emery Paper to remove oil stains, dust etc, removing of old paint by scratching incl writing SM No/MES No , capacity of transformer complete all as specified and as directed by Engr-in-Charge

All as per Serial item No 26 here-in-before but for capacity 200 to 400 KVA.

Excavating in trenches, in soft/loose soil, not exceeding 1.5m wide and not exceeding 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, cables and pipes etc. not exceeding 10Sqm on plan and not exceeding 1.5m in depth and getting out complete aii as specified and as direcetd.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceding 25cm in soft/loose soil complete all as directed.

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

M&L for Sand cushioning using sand suitable for plaster works to under ground cable in trenches/existing cable trenches/ducts in layers of 8 cm deep before laying the cable and 15 cm deep punned to 10cm after laying and stretching the cable complete all as specified and directed. Note : 18 cm punned thickness shall be measured and paid.

M & L for precast concrete cable cover class HV type 1 peak size 300mmx 180mm and thickness 40mm laid flat, dry and adjacent to each other, perpendicular to the central axis of the cable in trenches, complete all as specified & directed.

M&L Earthing complete incl with earth work with galvanised steel earth plate electrode 60cmx60cm, 6.0 mm thick buried directly in ground vertically at a depth not less than 2.25 metres below normal ground level with top edge of the plate at a depth not less than 1.5 metres below normal ground level, connected with and including GI strip 32mm x 6mm with & including GI pipe 50mm bore medium grade as protection pipe (upto the body of equipment max 7.50metre) by means of GI bolts, nuts, check nuts and washers of GI and thimbles, earth plate surrounded by packed layers of coal dust and common salt 15cm thick, all around top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh complete all as shown in Electrical plate No. 3 of SSR Part-I (2009), testing on completion including PCC chamber (1:3:6) using 20mm graded stone aggregate and RCC (1:2:4) type B-1 cover and angle iron frame complete all as specified.

Disconnecting of HT connections and DC connections from existing bus bar and draw out trolley including overhauling and servicing of complete parts of VCB through agency authorised by OEM of HT VCB, 11 KV, 400/630 Amps cleaning with carbon tetra chloride, lubrication of mechanical parts,checking of DC to control wiring with single core copper conductors of existing size as required at site of VCB of any type, any make for satisfactory running and replacement of defective spare parts, applying one coat of HT insulation on busbar, spouts and other connected parts and reassembling the same re-connecting all HT & AC / DC connections complete in functional order including testing on existing load complete all as specified and directed.Note: Spare parts shall be measured and paid for separately under respective items of this schedule as S & F in replacement of (in replacement) minor parts required at site are deemed to be included in the cost quoted by the contractor.

S & F in replacement of spring charging single phase electric motor AC to operate the VCB trolley as per existing electric perimeter sample complete all as specified and directed.

S & F in replacement of motor cut off switch for spring charging motor of VCB trolley as per existing sample complete all as specified and directed.

S & F in replacement of current transformer(CT) moulded in epoxy compound with dual ratio 50 - 25/5+5 Amps as per existing CT complete including connection with copper wire 2.5 Sqmm with replacement existing deroted beading of VCB body at power house complete all as specified and directed.

S & F in replacement of current transformer(CT) moulded in epoxy compound with dual ratio T1-T3 100-50/5 Amp 10/1.0 as per existing CT complete including connection with copper wire 2.5 Sqmm and beading of VCB body at power house complete all as specified and directed.

S & F in replacement of HRC fuse base with HRC fuse 20A, 415V, 80 KA complete all as specified and directed

S & F in replacement of Multifunction meter for 11 KV VCB shown the all electrical perimeter as per existing sample complete all as specified and directed.

S & F in replacement of LED with coloured screw cup Indicator lamps as per existing colour code for 11 KV VCB complete all as specified and directed.

S & F in replacement of switch (trip circuit healthy) of VCB complete all as specified and directed.

S & F in replacement of Air break (aux) contactor relay of VCB complete all as specified and directed .

S & F in replacement relay provided on HT 11 KV panel board for incoming and outgoing feeders in 11 KV MRS & other installations for healty tripping for over current and earth fault complete all as specified and directed.Make :- (ASHIDA type ADR 241B or equavellent of Siemens/L&T/CG

S & F in replacement of spring charging Gear assembly of VCB trolley as per existing sample complete all as specified and directed.

S & F in replacement of Shunt Tripping coil 24V DC of VCB trolley as per existing sample complete all as specified and directed.

S & F in replacement of Closing coil 24V DC of VCB trolley as per existing sample complete all as specified and directed.

S & F in replacement of Power pack with input 220 - 110V AC and output 24V DC of VCB as per existing Power pack complete all as specified and directed.

S & F in replacement of Plug & socket assembly as per existing sample of VCB trolley complete all as specified and directed.

S & F in replacement of Resin encapsulated vacuum interrupter bottles as per existing size/make specification circuit breaker trolley of 11 KV VCB complete all as specified and directed.

S & F in replacement of 11 KV/110 Volt 3 Phase 3 limb 3 wire resin cast, drawout type, air cooled, potential transformer having 100 KVA output at CL-0.5 and Rail complete all as specified and directed.

S & F in replacement of load break switch mechanism assembly complete having two position spring assisted, Integrated line earthing switch with making capacity complete as per existing sample all as specified and directed.

S & F in replacement of isolator switch mechanism assembly complete having two position spring assisted, Integrated line earthing switch with making capacity complete as per existing sample all as specified and directed.

S & F in replacement of Master trip relay as per existing specification and sample complete all as specified and directed.

M&L for calibration and relay setting and checking of Incomming /Outgoing VCB Trollys of any make, any size, any type, 11 KV for smooth and proper functioning including checking of all wiring incl new wiring where ever required complete for 11 KV MRS/Sub Station all as specified and directed.

Taking out existing HT cable and relaying the same after removal of cable fault including jointing,testing and commissioning complete all as specified and directed. NOTES : (i) Excavation & earth work, sand cushioning, protection pipes, end termination joints & protection covers shall be measured and paid separately.

S & F in replacement of Space Heater 240 Voltage single phase. complete all as specified and directed. Make of VCB-Crompton,Siemens

M & L for danger notice plates made out of 1.6mm thick mild steel sheet, vitreous enamelled white 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, 25x20cm size including taking down existing old unsv danger notice plate complete all as specified and directed by Engineer-in-Charge.

Supply and fixing cable route indicator showing "MES HT U/G Cable 11 KV/MES LT U/G Cable" (all words embosed) on route of cable with arrow made of CI insuitable shape and fixed on 25x4 mm angle iron not less than lenght of 600 mm, fixed in position with necessary PCC (1:2:4) including taking out old unserviceable indicators complete all as specified and directed by Engineer-in-Charge.

M & L for preparation of painted surfaces of two pole structure of MS/PCC HT poles, including protection pipes, cross arms, clamps, GI pipe bracket , angle iron , anti climbing devices etc. and applying one coat of aluminium paint on all the metallic surfaces complete all as specified and directed by Engineer -in-Charge.

M & L for preparation of painted surfaces of four pole structure of MS/PCC HT poles, including protection pipes, cross arms, clamps, GI pipe bracket , angle iron , anti climbing devices etc. and applying one coat of aluminium paint on all the metallic surfaces complete all as specified and directed by Engineer -in-Charge.

S & F in replacement OTI guage with double needle complete all as specified and directed by Engineer -in-Charge.

M&L for HT fedder piller box out door type made out of MS sheet CRCA of sheet 3.15 mm thick 90x90x75 cm size with aluminium busbar 3 No's 1250 Amps long suitable for 11000 volts and Front opening door two leaf braced with continue hinges mounted on 4 Nos angle iron of 50x50x6 mm,90 cm long duly included with box and grouted in PCC block of size 30x30x15 cm in concrete 1:3:6 and top of box MS sheet duly in step types with protection of 20mm on all sides weather/vermen proof with high quality rubber bedding on panel door, cable entry arrangements at bottom including earthing terminals 2 No's at both sides, cable gland connecting to busbar and painted with red stove enammeled powder coated paint two coats over red oxide primer complete all as specified & directed by Engineer-in- charge.

M & L for plain cement concrete (PCC) 1 : 2 :4 type B2 using 40mm stone aggregate, as in repairs to foundation / disturbed hard standing/ road or any other repair as required at site at any situation all as specified as directed.

M & L 40/60mm graded coarse aggregate for power houses under two pole and four pole structure all as specified as directed.

Supplying and laying synthetic Rubber insulated mats 25 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m all as specified.

Supply and fixing HT insulation tape complete all as specified and directed by Engineer-in-Charge.

Supply and fix for switch air break gang operated HT 11 KV Volt grade out door type, triple pole of capacity 200 amps rating mounted on Polymer based insulator with expulsion fuse set single pole drop out type including Expulsion fuse carriers and fuse element Upto 25 Amp and fitted on steel frame horizontally mechanically operated mechanism from ground level consisting of operating rod of 25 mm bore Heavy grade GI pipe of suitable length worked from ground level and with locking arrangements incl pad locks with key flat iron clamp 50 mm x 6 mm including taking down old unseviceable one complete all as specified and directed. Note :- MS channel of suitable size and length for fixing GOD including bolts, nuts, and washers shall be paid & measured seperalely under approprite Items..

Supplying, installing, fixing, connecting and testing of polymer based Drop-out fuse set (set of 3 nos), mounted on insulators with steel frame 200 Amps capacity, siutable for 11KV, HT system, out door type, including Expulsion fuse carriers and fuse element Upto 25 Amp, including taking down old unserviceable one complete all as specified and directed.

S & F for Insulator Pin/ post type polymer based including one galvanishing MS spindle, nuts & washers for 11000 volt grade and fixing to the structure and binding of conductor including removal of unserviceable one from the HT 2 pole/ 4 pole structure complete all as specified and directed.

S & F for Alkaline PVC pipe for bus/ jumper connection as insulating material at 4 pole/ 2 pole structere in the area complete all as specified and directed.

S & F for HT Aluminium ferrules/ lugs of suitable size with chromium plated nut bolts for connection of GOD/DO/ cable end jumpers including removal of unserviceable one complete all as specified and directed

S & F for Aluminium tubing heavy duty of size 32 mm outer dia 12 mm thick with necessary clamps, bolts nuts and washers of suitable size, mounted on polymer based 11 KV insulators connection with jumpers including removal of unserviceable one complete all as specified and directed

S & F for Aluminium strip of size 32 mm x 10 mm thick with necessary clamps, bolts nuts and washers of suitable size, mounted on polymer based 11 KV insulators connection with jumpers including removal of unserviceable one complete all as specified and directed

Supply and fix in replacement of 12 Volt 180 AH batteries back up maint free, 36 Month warranty complete all as specified and directed by Engineer-in-charge.

M & L in replacement stay assembly comprising of GI stay bow 14 mm dia, 40 cm long ( over all) galvanised stay rod 16 mm dia 215 cm long with threaded ends GI nuts, bolts, washers, stay plate 30 cm x 30 cm x 6 mm thick 2 Nos of thimbles, MS clamps made out of 50 mm x 6 mm flat iron complete including stay wire 7/8 SWG complete all assprcified and directed including dismantling and necessary excavation and earth work and PCC 1:3:6 all as shown in electrical plat No.1 of SSR-1991 Part-I including taking down existing old unsv stay assembly complete all as specified and directed by Engr-in-Charge.

M&L in replacement Anti climbing devices; comprising 2.24mm dia galvanised steel 2-strand barbed wire with 2.00mm dia barbs wrapped spirally round poles, to a length of 0.5 to 1.0 metre clamped and properly secured complete all as specified and directed by Engr-in-Charge.

M&L in replacement for cross arm bracing, support, clamps and back plates fabricated from structural steel sections including nut bolts washers welding, bending cold or hot, drilled holes for bolts in any shape or size as indicated or directed and inclusive of one coat of primer, one undercoat and one finishing coat of paint including dismantling of existing unserviceable cross arm of MS channel or angle sections etc. and in any positioncomplete all as specified and directed.

M&L for ACSR conductor of any size including all binding wires and aluminium jointing, jumpering etc on LT lines including dismantling of unserviceable worn out/weathered/damaged ACSR conductor, service feeder of any size from pole after disconnecting of jumpers and insulator bindings complete all as specified and directed.

Material and labour for arrest the leakage of Transformer Oil from the HT side busings of Transformer capacity upto 400 KVA including the followings:- (a) Opening the top cover and refixing after repair duly pasted with gasket. (b) Taking out the transformer Oil from the transformer upto the level suitable to carry out the repair work. (c) Taking out the Brass bushings and supply and replacement of the same duly coupled with suitable gasket nuts, bolts and washers. (d) Refilling of Transformer Oil after completion of repair work and ensure that the Leak has been arrested. (e) Reassembling complete and testing and commissioing.

Material and labour for arrest the leakage of Transformer Oil from the LT side busings of Transformer capacity upto 400 KVA including the followings:- (a) Opening the top cover and refixing after repair duly pasted with gasket. (b) Taking out the transformer Oil from the transformer upto the level suitable to carry out the repair work. (c) Taking out the Brass bushings and supply and replacement of the same duly coupled with suitable gasket nuts, bolts and washers. (d) Refilling of Transformer Oil after completion of repair work and ensure that the Leak has been arrested. (e) Reassembling complete and testing and commissioing.

Supply only Tap Changer as per existing size, shape and specification complete for capacity 315 to 400 KVA , 11 /0.433 Volts transformers complete as all specified and as directed.

Supply only Tap Changer as per existing size, shape and specification complete for capacity 200 to 250 KVA, 11 /0.433 Volts transformers complete as all specified and as directed.

Supply only Tap Changer as per existing size, shape and specification complete for capacity 63 to 160 KVA, 11 /0.433 Volts transformers complete as all specified and as directed.

Overhauling servicing of tap changer and replacement of unserviceable parts as ordered with new and assembling with old serviceable parts for smooth functioning and operation complete as all specified and as directed

Shifting of Transformer 200/400 KVA from one Sub-Station to another after disconnection of LT & HT Side Connections, Installation, Commissioning and connecting LT & HT Side Connections, complete all as specified and as directed.

Supply and Fix drop out fuse two post insulator per pole complete with FRP fuse barrel channel type of capacity 200 Amps complete all as specified.

M & L for re-treatment of earthing by removing old earth pit and refilling Charcol & Salt cristals of 50 Kg Each including taking out old expired chemical/Charcol/Salt and refilling of soil, watering & well ramming and constrction of new earth Chamber with fixing of funnel complete with colour code such as green for body earthing/blue etc all as specified and directed by Engineer- in-charge.

Labour only for Repair to HT 11 KV, 4/6/8 pole structure of 11 meter height poles including replacement of all perished ACSR conductor (ferret) of Horizontal bus bar and down conductors for GOD system on structure, jumpering and binding with aluminium conductor to the post insulators/ pin insulators and providing PVC sleeves to the down conductor with colour code R, Y & B, replacing all rusted nuts & bolts on the above pole structure all as directed.

All as per item No.91 here in before but for two pole strtucture complete all as directed.

Pruning of tree branches around HT over head electric lines and cleaning 3 Mtrs from the line, removing cut materials ( tree branches) from site and stacking properly where directed.

RAJINDER ELECTRICAL WORKS (BID ID -3466024)

Raman Electric Trading Co (BID ID -3460429)