Repair/Maintenance of LT / HT OH Line, LT / HT Cables, LT Panels, MCCB, Main switches, HT VCB, Transformer and connected wks at Birpur and Ghunghora under AGE E/M-II of GE Dehradun.

Amount

Excavation in trenches n. exc. 1.5 mtr wide and n. exc. 1.5 mtr in depth for laying of underground cable, foundation of pole and getting out in any type of soil complete all as specified and directed.

Excavation in trenches n. exc. 1.5 mtr wide and exceeding 1.5 but not exceeding 3.0 mtr in depth for foundation of pole and getting out in any type of soil complete all as specified and directed.

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

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

Material and labour for laying local dry clean sand filling for cushioning in trenches around under ground cable complete all as specified and directed.

Material and labour for laying well burnt brick, old size sub class B in trenches, as protection of under ground cable complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover,class HV type-1,flat size 300x180x40mm, complete all as specified and directed.

Material and labour for cutting chases in hard standing road/path/drain etc for passing cables/pipes etc. size of cutting 100mm wide and 200mm deep and removing the excavated materials and disposal at 50 metre distance and making good the cutting after the pipe and cables are laid with PCC 1:3:6 type C-1 using 20mm graded stone aggregates complete all as specified and directed.

Taking out unserviceable damaged HT cable any size and Supplying, laying or fixing, jointing and testing HT under ground electric power cable , XLPE insulated, screened , PVC bedded ,galvanised steel strip or wire armoured, (conforming to IS-7098 Part-I) , ISI Marked, with aluminium conductor multi stranded , heavy duty ,11000 Volts grade ( earthed ) , laid in trenches/ laid under floor,roads,paths or fixed on walls / on poles/ in ducts etc. complete including cable gland and lugging etc all as specified and directed of following sizes. Note: Excavation and GI Tubing shall be measured and paid separately under respective item of Sch 'A'.

95 Sqmm 3 core

120 Sqmm 3 core

Material and labour for route indicators made of PCC (1:2:4) type B1 (using 20mm graded aggregates) in rectangular blocks in sizes 60cmX20cmX20cm thick burried in ground directly up to the depth of 45 cm and written the description details of U/G cable in red paint on top of the PCC block over yellow enamel paint complete all as directed and specified.

Material and labour for heat shrinkable out door type cable end jointing kit complete for HT U/G cables 11000 volts grade and testing after jointing of following sizes :-

95 sqmm 3 core

120 sqmm 3 core

Material and labour for heat shrinkable Indoor type end jointing kit complete for HT U/G cables 11000 volts grade and testing after jointing of the following sizes :-

95 sqmm 3 core

120 sqmm 3 core

Material and labour for heat shrinkable straight through joint kit complete for HT U/G cables11000 volts grade and testing after jointing of the following sizes :-

95 sqmm 3 core

185 sqmm 3 core

Taking out unserviceable damaged of LT cable of any size including Supply, laying, jointing and testing of underground XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 400 Sqmm 3.5 Core laid in trenches/ducts/along poles/through pipe under road etc with new aluminium lugs of cable size complete all as specified and directed.

All as per Item No 14 but 120 Sqmm 3.5 Core

All as per Item No 14 but 95 Sqmm 3.5 Core

All as per Item No 14 but 70 Sq mm. 3.5 core

All as per Item No 14 but 50 Sq mm, 3.5core

All as per Item No 14 but 35 Sq mm, 3.5core

All as per Item No 14 but 25 Sq mm, 4 core

All as per Item No 14 but 16 Sq mm, 4 core

Supply and lay in trenches fixed to poles wall laid in floor GI steel tubing medium grade with all fitting GI clamps made out of 50 x6mm flat iron 02 Nos, bolt, nut & washers etc or wooden rubber bushing at the ends of complete all as specified and directed.

100mm bore

80mm bore

50mm bore

40mm bore

Material and labour for repair to HT VCB make ABB by disconnecting the VCB, opening out of HT bus bars chamber, disconnecting/dismentalling of control wiring of the instruments panel and carry out the undermentioned repairs/replacement of u/s parts:- cleaning of the contact points and adjustment of the contacts/moving mechanism for its smooth functioning and make/break of contacts.

Supply & Fixing in replacement one set of 3 Pole micro processor based relays MC-61A (L&T) type relay with instantaneous 2 Nos over current (50, 50N) element and 1 No Instantaneous earth fault (50, 50N) (o/c setting 50% - 200% and earth fault setting 20 % - 80% according to load suitable for 11 KV including calibration outgoing feeders relay setting accordingly to law complete all as specified and directed incl disconnection and taking down existing complete. Make;- ABB model No. REF615 or equivalent as approved.

Supply & Fixing in repair/ replacement following parts of HT VCB 11 KV, AC 3 phase, 50 HZ indoor type for complete as per existing make all as specified and directed incl disconnection and taking down existing complete Make: - ABB HT VCB's or equivalent as approved.

Control wiring of HT VCB panel with and including suitable size of copper wire complete with colour code ferrules and tinned copper lugs complete and making the system fully functional and automatic complete directed by Engr - in - Charge.

Tripping coil 110 volt DC.

Bakelite housing set.

Closing Coil 110 volts.

Tripping lever.

Charging lever.

Neon Indicator LED type lamp assembly 110 volts DC Make: Siemens/ L&T/ MEI/Legrand (R, Y, B).

Tripping pin.

Push Button.

Spring Charging Motor complete 220 Volts.

Vaccume interrupter bottle as per sample suitable for 11//33 KV VCB at MRS.

Ammeter 0-150 Amps CT ratio 150/5 Amps as per sample Make: AE/Schneider/Siemens/L&T

Voltmeter 0-150 Amps PT ratio 11/110V as per sample Make: AE/Schneider/Siemens/L&T

Digital 3 line display multifunction meter having feetures to measure to measure Volt Ampere power factor active load etc.

Dcconverter input 24 volt DC nominal out put 110 volt DC nominal load -100watt continuous 150 watt impulse (240M sec)

Material and labour for servicing of DG set of 62.5 KVA to 75 KVA 3 phase 50 HZ, Make : Cuminns/ Kirloskar/ Greaves. by cleaning, servicing, oiling and greasing of moving parts,checking the serviceability of self starter, alternator, AVR for proper voltage out put,Batteries voltage & electrolyte be checked & added upto top level, functunability of safety devices, all nut - bolts of Engine and alternator,proper tension of fan belts, check coolant level and if necessary top up.. Ensuring leak proof of all type hose for water , pipe line of fuel and lub oil. Checking of air cleaner element & clean it with dry compressed air (60 psi pressure.). Material and labour for replacement of Air filter elements set, cleaning of oil bath type filters and replacement of oilof oil bath filter, lubricating oil filters element complete set , Fuel filters element, By pass filter, Corrosion resistor plate, fan belts and labour for replacement of lubricating oil , complete as specified and directed. NOTES: (i) The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The cost of servicing of DG set are inclusive of replacement of small/minor parts such as nuts, bolts, washers, locking nuts, small springs, studs etc and parts mentioned in the item above.. (i) Make of DG set be one of the make mentioned in the item. (iii) Spare parts to be replaced shall be suitable for the same make and model of engine as installed at site and serviced. (iv) Cost of lubricating oil shall be measured and paid separately. (v) Cost Spare parts to be replaced shall be measured and paid separately under item No.2 here in after.

Taking out under mentioned unserviceable parts from the 62.5 KVA DG sets and supply and fixing of following new parts :-

Water hose pipe set with clamp for 62.5 KVA of DG set.

Lubricating oil pipe set with coupling for 62.5 KVA capacity of DG set.

Fuel oil pipe set with coupling for 62.5 KVA capacity of DG set.

Shut down valve suitable for 62. 5KVA of DG sets as per existing shape and size.

V Belt. make KCL/CIL

Oil filter

Deisel filter

Air filter

Coolent

Pump calibration

Servicing and overhauling of alternator

Supply and fixing in replacement the following spares/parts/ components of AMF Panels .

Power Contactor, LCIF 3 pole, coil voltage 415 / 440 Volts, 50 Hz with having current rating (AC3) of 100 Amps at 415 volts as per requirement . Make ;- L&T or as approved.

Digital VMR

Batter charger 12 volts

Disply cover

LLOPsender

Stop solonoid

Pla relay 24 Volts DC, 11pin, 2 change over, cat part No. 2C/O – MPC -24D of pla make or equivalent of Eagle man.

Bimetal overload relay type MNX with relay range 24 – 40 Amps suitable for 3 phase 415 volts, AC supply (Make : L&T cat No. SS94145OOFO or equivalent of BCH )

Electronic DC timer suitable for 12/24 Volts DC supply, for 0-60 seconds. (on delay). (Make : L&T / PIC / Aditya Electronic)

Under voltage relay suitable for 3 phase 415 volts, AC supply (Make : PIC / Aditya Electronic )

Engine starting relay with sequence timer & Master timer suitable for 12 / 24 Volts DC supply. (Make : PIC / Aditya Electronic)

Indicating lamps neon type with holder for 12 / 24 volts DC supply (RYB) (Make : L&T/BCH or equivalent make as approved by the GE )

Electronic timer, suitable of 240 / 415 Volts, 50 Hz, AC supply, for 0-180 seconds (ON delay). (Make : L&T / PIC / Aditya Electronic)

Disconnecting, and taking out carefully old unserviceable AVR unit and supply , fixing, connecting and testing AVR unit suitable for DG set of 62.5 KVA capacity.and testing for regulated voltage of 415 volts complete all as specified and directed. Make Kirloskar/National/Universal

Supply, filling and toping up lubrication oil SAE-40 ( 20 W- 40 grade) of Make SERVO OF IOC/HINDUSTAN PETROLEUM/BPCL/ CASTROL) as approved by GE.

Disconnecting and taking out the radiator of 63.5 KVA 3 phase capacity of DG set 50 HZ, Make ; Kirloskar and carrying out to work shop, strip opening completer radiator assembly, cleaning of tubes with using de-scaling solution, including soldering / gas welding of leakage of tubes. Cutting the rusted portion of in let or out let tubes including gas welding of new MS water tubes assembling the complete radiator including replacement of gasket, nut bolts, and testing for making it leak proof including oiling/servicing of water cooling assembly, replacing unserviceable parts, re-assembling and fixing the same in position and testing the system complete all as specified and directed by Engineer-in-Charge. (NOTE :- (i) Repairs/servicing/reassembling and testing of water cooling assembly shall be carried out on actual load. (ii) The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of Sch `A’ as `supply only ‘ but quoted rates are inclusive of replacement of small/minor parts such as nuts, bolts, washers, locking nuts, small springs, screws/gaskets/ packing etc. (iii) The quoted rates of contractor are deemed to be included cost of transportation to and fro upto Work shop/service centre.)

Disconnecting and taking down old unserviceable self starter, 12 Volt DC and dismantling complete for repair, servicing, cleaning, varnishing, oiling, reassembling & testing including replacement of the Following parts :- (a) Armature – 01 No (b) Solenoid switch – 01 No. (c) Field coils – 01 No. (d) Commutator – 01 No. (e) Carbon brush – 02 Nos. (f) Bendex assembly – 01 No (g)Tension sleeve=01no (h) gear assembly-01 no

Material & Labour for Cleaning of MS fuel tank of DG sets of various capacity by collecting the fuel in cleaned barrels and removing sludge deposited/accumulated inside the tank of and disposal of sludge at a distance not exceeding 100 metre and cleaning the tank with kerosene oil , replacement of fuel tank strainer and unserviceable fuel gauge with new PVC fuel level indicator fixed with clips to the tank and marking levels for every 10 litre by marking and numbering on the side of fuel tank with synthetic enameled paint and refilling the collected fuel after filtration complete all as specified and directed by Engr-in-Charge.

Dismantling and taking out old unserviceable Dynamo assembly of 62.5 KVA capacity of DG set for repair and replacement of defective parts like as Carbon brush, Bearing No. 6302 and rewinding to armature with suitable gauge of copper wire, sleeve, glass paper and Varnish, soldering to commutator assembly, reassembling & fixing the same in position and testing the dynamo assembly all as specified and directed by Engineer-in-Charge.

Supply & fixing of lead acid battery 12 Volts, 180 AH including 02 duly initial charging of the battery and fixing to its position complete all as specified and directed. Make : EXIDE/CHAMPION/AMARON

Disconnecting and taking out defective battery lead and supplying, fixing, connecting and testing battery lead (Heavy duty) PVC insulated with multi strand copper conductor single core of size 25 Sqmm for 2 metre length including one side fixed with brass/ copper eye hole lugs clamp and other side fixed with brass battery terminal of heavy duty complete all as specified and directed.

Supplying, transporting , errecting and fixing in replacement steel tubular swaged poles type 410-SP-55 , 11.00 metre long, complete with cast iron base plate , heat resistance finial taper plug, bolts, nuts and screws as specified including painting with two coats of synthetic enamalled paint over one coat of red oxide primer and 06 Nos bands/straps with white andred post office colour (30cm wide each) epoxy heat resistant paint at a distance 30cm from plinth block and numbering of poles with black synthetic enamel paint in 2.5 cm height including tarring/Bituminous paint one coat on steel surface embedded in concrete foundation complete all as specified.

All as per item no 31 here-in-before but type 410 SP-31, 9.00 metre long , complete all as specified.

Material and labour for Cement concrete (1:4:8) type D-2 (using 40 mm graded crushed stone aggregate) as in foundation and mass concrete for fixing poles etc complete all as specified and directed.

Material and labour for PCC (1:2:4) type B1 (using 20 mm graded crushed stone aggregate) for coping pole including necessary form work and finishing exposed faces of concrete smooth and even using extra cement complete all as specified and directed.

Material and labour in replacement pin type insulator porcelain, vitreous white/brown including one galvanised MS spindle, nut and two GI washers of size 150mm height, 150mm dia for 11000 volts.

Material and labour in replacement single disc porcelain, vitreous white/brown insulator 255mm dia and 145mm height assembly for tension with tension clamps for conductor working pressure 11000 volts.

Supply only Pin type insulator porcelain,vitereous white brown or green of size 100mm height & 65mm dia including one galvanised mild steel spindle, two galvanised iron washer, and one galvanised iron nut, 100mm, high and 65 mm dia, working pressure 1100 volts including taking down old one complete all as specified.

Supply only shakle type insulator, porcelain, vitreous, white, brown, or green insulator including galvanised mild steel straps, washer, insulator bolts, washers, nut, LT, 1100 volt grade, height 75mm, max dia 90mm, section of strap 31x3mm, dia of bolt 12 mm including taking down old unserviceable insulator.

Material and labour cross arms, bracing, supports, clamps and back plates fabricated from structural steel section (flat iron/angle iron/ MS sheet) including back plate, MS boxes made out of MS sheet, clamps or D clamps made out of MS flat iron made to shape including nuts, bolts, washers, welding, bending hot or cold, drilling holes for bolt in any size or shape as directed inclusive of two coats of aluminium paint over a coat of red oxide primer complete all as specified & directed by Engineer-in-charge.

Material and labour in replacement ACSR conductor stringing and fixing on insulator existing sagged ASCR conductor including 22 Guage binding wire line connector, jumper etc of size all as directed by E-in-charge.

Material and labour fixing in replacement and stringing continous GI wire of 4mm dia on poles/cross arm with GI hooks, bolts, nuts washer etc including stringing and connecting all complete as directed by E-in-charge.

Restreching/ tightening of existing ACSR conductor of any size & GI earthwire of any size of HT/LT overhead line on existing poles duly straining properly binding with extra aluminium binding wire to insullators complete all as directed by Engineer- in - Charge for following.

For HT over head line with GI Guard wire

For LT over head line with GI Guard wire from LT pole to pole five line LT over conductor and one guard wire conductor of each span shall be measure as one unit.

For LT over head line with GI Guard wire from LT pole to pole two line LT over conductor and one guard wire conductor of each span shall be measure as one unit.

Material and labour for stay assembly complete comprising of 20 mm dia galvanised stay rod 180 cm long MS galvanised stay plate size 300 x 300 x6mm thick for stay pole including loop insulator white with cover all dimension 140 x 25.5 mm clearance of hole 25mm for HT 11000 V all specified and as shown in electric plate No 1 of SSR part-I. Note: Earth and PCC work will be measured and paid seprately.

Material and labour loop type insulator with complete fiting porcelain, vitreous white or brown large sizewith over all dismensions 90x140mm , clearance of hole 25.5mm

Material and labour loop type insulator vitreous procelain, white , brown or green, large size with overall dimensions 65 x 90mm, clearence of hole 16mm etc complete all as specified and directed.

Material and labour for galvanised stay strand, 7/3.15 mm size complete all as specified.

Supply and fixing aluminium strip 25x3mm fixed in ground,on wall, pole with epoxy based insulator for down conductor including drilling two Nos holes at each joint, one set of lead washers between strips two sets GI nut, bolt, washers one set of lead washers between strips two sets GI nut, bolts, washers gutties, screws etc

Supply and fixing air termination single pointed aluminium rod of 12mm dia 300mm long fixed to aluminium strip 25x3mm drilling nuts, bolts washers for resting/supporting of air terminals etc complete all as directed by Engineer-in-Charge.

Supply and fixing inspection box/test point in rereplacement of old unserviceble made out of 2mm CRCA sheet, with top cover including pro-vision of fixing 2 Nos epoxy insulator and insulating PVC sheath for incoming and out going aluminium /GI strip for proper insulation etc complete all as specified and directed by Engr-in-Charge.

Material and labour for Trimming/ pruning of tree branches upto 3 meters below & both sides to obtain clearance all around the LT over head lines / HT over head lines conductor upto 3 mtr from furthest conductor on pole including removing of cut branches and cleaning of site complete all as directed.

Disconnecting and taking down unserviceable GOD & supplying, installing, testing and commissioning of air break switch (GOD)(12 insulator type) HT 11 KV, AC 50C/S, TP Horizontal mounting type, mechanically operated from ground, mounted on 12 insulators 11 KV grade and steel frame, current rating upto 200 Amps complete with fuse mounting, fuse carriers and fuse elements of required capacity fixed the pole structure on channel angle iron cross arm with suitable GI nut bolt & washers etc with suitable size including testing complete and one pad lock 65 mm (Godrej/navtal)including dropant expulsion type fuses with barrels of reqd capacity to suit load at site all as specified and directed.

Disconnecting and taking down unserviceable lightning arrestor supplying, fixing and testing Expulsion type lightning arrestor having rated voltage 11 KV and discharge current 65 KA suitable for 11000 Volt complete all as specified and directed.

Material and labour for Servicing of two & four pole, structure complete including replacement of unserviceable jumper, sleeve vice type connector GI PG clamps 'T' connector run through clamps, bolts nuts, washer connecting lugs/thimbles knife contacts applying petroleum jelly to the moving contact as well fixed contacts, tightening all the connection for its smooth functioning as directed at site by Engineer-in-charge. Note :- No extra payment will be made for the spares reqd to keep the two & four pole structure in satisfactory functioning throughout contract period other than given in schedule.

Material and labour for preparation of old painted surface of HT four pole structure such as poles, cross arm , bracing and supports clamps complete and painting with two coats of synthetic enamalled paint over a coat of red oxide zinc chrome primer including provisioning of marking with alternative white and Red paint strip 30 cm wide including writting pole no with white paint size of letter note less than 100mm from the ground level all as directed at site by Engineer-in-charge.

Material and labour for preparation of old painted surface of Two pole structure such as poles, cross arm , bracing and supports clamps complete and painting with two coats of synthetic enamalled paint over a coat of red oxide zinc chrome primer including provisioning of marking with alternative white and Red paint strip 30 cm wide including witing pole no with white paint size of letter note less than 100mm from the ground level all as directed at site by Engineer-in-charge.

Material and labour for preparation of old painted surface of HT single pole structure such as poles, cross arm , bracing and supports clamps complete and painting with two coats of synthetic enamalled paint over a coat of red oxide zinc chrome primer including provisioning of marking with alternative white and Red paint strip 30 cm wide including writting pole no with white paint size of letter note less than 100mm from the ground level all as directed at site by Engineer-in-charge.

Material and labour for preparation of old painted surface of LT single pole structure such as poles, cross arm , bracing and supports clamps complete painting of two coats of synthetic enamalled paint over a coat of red oxide zinc chrome primer including provisioning of marking with alternative yellow and black paint strip 30 cm wide including witing pole no with white paint size of letter note less than 100mm from the ground level all as directed at site by Engineer-in-charge.

Repair to Electrical panel by opening of all burnt unserviciable cable leads any size and taking out of LT XLPE cable from loop by excavation as required including reconnecting of cable leads with bus bar/ MCCBs with propper lugs and nut/bolts etc and panel to be refix properly on PCC foundation with repair to door hinge / locking arrangement and testing complete all as directed by Engeer-in -charge. NOTE: Copper lugs and PCC shall be measured and paid seperately.

Supply and Fix in replacement of u/s MCCB 500 Amps 50 KA 4 pole 415 V AC 50 Hz thermal-magnetic release Ics=100%of Icu fixing properly with new suitable size of thimbles, nut - bolt and washers complete all as specified.

Supply and Fix in replacement of u/s MCCB 400 Amps 35 KA 4 pole 415 V AC 50 Hz thermal-magnetic release Ics=100%of Icu fixing properly with new suitable size of thimbles, nut - bolt and washers complete all as specified.

Supply and Fix in replacement of u/s MCCB 250 Amps 35 KA 4 pole 415 V AC 50 Hz thermal-magnetic release Ics=100%of Icu fixing properly with new suitable size of thimbles, nut - bolt and washers complete all as specified.

Supply and Fix in replacement of u/s MCCB 200 Amps 35 KA 4 pole 415 V AC 50 Hz thermal-magnetic release Ics=100%of Icu fixing properly with new suitable size of thimbles, nut - bolt and washers complete all as specified.

Supply and fixing in replacement of u/s MCCB 160 Amps 25 KA 4 pole 415 V AC 50 Hz thermal-magnetic release Ics=100%of Icu fixing properly with new suitable size of thimbles, nut - bolt and washers complete all as specified.

Dehydration including filteration and cleaning of transformer oil at different locations by stream line method dehydration plant including testing of samples before and after dehydration and filteration. Dielectric strength should not be less than 45 KV at 2.5 mm gap after dehydration all as directed. Note: (i) Test result before and after filteration to be recorded as per the sample provided by Engr-in-charge. (ii) The rate quoted is deemed to be inclusive of making necessary connection and the connection to filteration plant from transformer and switch gear oil duly removing the inlet and outlet connections. (iii) For topping up transformer oil will be measured and paid separetely under relevant item of schedule.

Material and Labour for Preventive maintenance/repairs to transformer step down 11 kv/0.43 KV out door type of any make and capacity including cleaning the tranformers externally thoroughly with lint free cloth, tightning the HT/LT terminal nuts, opening the top cover and replacing the perished gasket of top cover, replacing sight glass, replacing silica gel, replacing the worn out copper alloy nuts and tightning the earth terminals and conducting various tests as stipulated in the particular specification and maintaining relevant documents/records duly signed by JE E/M Engr-in-charge separetly to each book let for equipments/machine on the prescribed printed forms.

Supply and filling for top up of transformer oil in sealed steel container 200 Ltrs capacity conforming to relevant IS 335/1993 as amended having dielectric strength not less than 45 KV for topping in 33/11 KV transformer all as directed.Make: Savita/SHAKTI/Power link Note: (i) Filling of insulating oil shall be done by on line filteration plant. (ii) Manufacturers test certificate to be produced for claiming payment

Material and Labour for replacement of defective worn out HT bushing rod (stud) complete made of copper /brass with nuts and washers including threading at both ends for HT bushing of transformer outdoor of following sizes as per site requirement complete all as specified and directed.

Transformer 63KVA to 160 KVA

Transformer 200KVA to 315 KVA

Transformer 400KVA to 500 KVA

Material and Labour for replacement of defective worn out LT bushing rod (stud) complete made of copper / brass with nuts and washers including threading at both ends for LT bushing of transformer outdoor of following sizes as per site requirement complete all as specified and directed.

Transformer 63KVA to 160 KVA

Transformer 200KVA to 315 KVA

Transformer 400KVA to 500 KVA

Material and Labour for replacement of silica gel breather assembly complete with silica gel complete 63 KVA to 250 KVA transformer all as per approved sample.

Material and Labour for replacement of silica gel breather assembly complete with silica gel complete 300 KVA to 500 KVA transformer as per the sample approval/ site requirement complete all as specifed and directed

Taking out the old silica gel in the breather of transformer and supply and refilling new silica gel in the breather.

Material and Labour for preparation of old painted surfaces of transformer by scrubbing out cleaning and painting with one coat of spray paint with heat resistant metallic smoke grey paint over a coat of suitable primer complete including writing MES No/SM no/Srl No on transformer body with black paint for the following capacity transformer all as specified and directed by E-In-Charge

Transformer 63KVA to 160 KVA

Transformer 200KVA to 315 KVA

Transformer 400KVA to 500 KVA

Disconnecting defective outdoor/indoor power distribution transformer of various size from HT/LT sides taking out complete transformer oil storing the same in suitable containers ( to be provided by contractor ) opening the top cover and liting up the core assembly carefully to check the condition of transformer windingcore retainking the same after repair refilling the transformer oil after dehydration and filteration (dehydration and filteration to be paid separately) inluding checking of leakage of transformer body and welding works required for making transformer body leak proof transportation of transformerfrom site to work shope and reinstallation the same at any site as directed by Engr-in- charge. capacity of transformer 63KVA to 160 KVA. Note:- The materials required for rectification of defects such as rewinding/core/transformer oil, bushes etc shall be measured and paid separately under respective item of this sch.

All as per srl item No 73 here in before but Transformer of capacity 200KVA to 320 KVA complete all as specified.

All as per srl item No 73 here in before but Transformer of capacity 400 KVA to 500 KVA complete all as specified.

Dismantling and taking down out door transformer from two pole /four pole structure lowering the same carefully by means of chain pulley block /Hydra / mobile crane as per site requirement and all other required T&P and re-installation after repairs complete all as specified and directed by the Engineer in Charge.

Supply and fixing in replacement of burnt defective HT copper coil with new made of proper size copper wire (super enamelled of high quality) matching with existing insulation etc. for transformer 100KVA to 500 KVA capacity

All as per item No 77 here-in-above but LT coil made of cooper wire (Super quality) matching with existing insulation etc. for transformer 100 KVA to 500 KVA capacity complete all as specified.

Supply and fixing in replacement of U/S cracked/worn out synthetic rubberized cork gasket sheet 6mm thick for top cover of transformer of following capacity including nut bolt washers complete etc all as specified and directed for following:-

Transformer 63KVA to 160 KVA capacity

Transformer 200 KVA to 315 KVA capacity

Transformer 400 KVA to 500 KVA capacity

Transportation of each transformer at civil workshop if required for repairs and retransportation of the same back for installation after repairs including loading /unloading complete all as specified & directed.

Shifting of transformer of any capacity up to 500 KVA from any installation two/four pole structure and fixing on another installation two/four pole structure (Appx.3000 mtr distance) including necessary connection complete on HT and LT side and testing on completion.

Disconnecting of electric connetion from transformer, feeder piller etc and taking out LTcable (existing) of any size and type from the loop trench, dressing of cable including replacement of burnt out aluminium lugs and fixing with new lugs, nuts, bolts etc, complete including necessary excavation & earth work.

Supply and fixing of Hylam sheet 12mm thick, make Hylam brand cut to required size including drilling of holes for fixing of nuts, bolts washers etc complete all as directed.

Material and Labour for transformer platform of size 3m x 2.5 m x 1.2 m with brick masonary (sub class B bricks old size) with steps , earthwork in any type of soil, PCC 1:3:6, type C-2 in foundation 100 mm thick, PCC coping 75 mm thick 1:2:4 type B1 rendering in CM 1:4 including white washing 2 coats, X-PM jali (weight n.exc 4 kg per sqm) all round the plateform with angle iron 65x65x6 mm size on corner with steel vicket gate of suitable size with 2 coat of painting over a coat of suitable primer complete all as specified.

Supply and fixing factory fabricated bus bar chamber out door pedestal type made out of 2.0 mm thick CRCA sheet of size 750x500x400 mm duly painted with powder coating, simens grey/RAL fitted with four Nos aluminium bus bar of capacity 400 Amps duly mounted epoxy insulator , Cable connections of incoming and outgoing cables duly insulated PVC heat shrinkable sleeve 1.1 KV grade including one No MCCB, 200 Amps, 4 pole, 16 KA, with adjustable thermal setting Ics=100% Icu, including glands c/p lugs etc including 50x50x6mm angle iron frame 450mm height above ground level and 450mm below ground level, angle iron frame shall be embeded in PCC (1:2:4) type B 1 block of size 200x200x200mm complete all as specified and directed including taking out old unserviceable bus bar chamber.

Repair to Air break gang operated switch segregation of serviceable and unserviceable spares/parts/components viz post insulator, fixed contact assembly moving contact assembly, flexible metallic strips etc and replacement of unserviceable spares/components assembly and assembling the complete air break switch unit carrying out fresh lubrication using lithium base grease/petroleum jelly, complete all as directed at site(New spares/components shall be measured and paid separately as catered here in after)

Supply and fixing in replacement of metallic (brass, alloy) moving contact set single pole including fixing screwed nuts, and washers suitable for air break gang operated switch up to cap.400 Amp 3 pole 11000 volts grade complete all as specified and as directed.

Supply and fixing in replacement of metallic (brass, alloy) fixed contact set single pole including fixing screwed nuts, and washers suitable for air break gang operated switch up to cap.400 Amp 3 pole 11000 volts grade complete all as specified and as directed.

Supply and fixing in replacement of metallic (brass, alloy) MS jumper set single pole including fixing screwed nuts, and washers suitable for air break gang operated switch up to cap.400 Amp 3 pole 11000 volts grade complete all as specified and as directed.

Supply and fixing in replacement of post insulator with GI post for holding fixed/moving contact assembly including fixing arrangement suitable for Air break gang operated switch up to400 Amps 11000 volts complete all as specified and directed.

Supply and fixing tinned copper in replacementof flexible metal straps including fixing screws, nuts and washers all as directed suitable for Air break gang operated switch up to 400 Amps 11000 volts complete all as specified and directed..

Supply and fixing in replacement of back conneter plate including fixing screws, nuts and washers all as directed suitable for Air break gang operated switch up to 400 Amps 11000 volts complete all as specified and directed.

Supply and fixing in replacement of burnt jumpers with new PVC insulated 11000 volt single core alum conductor cable of suitable PGI clamps nuts and bolts complete after taking down existing jumpers all as specified and directed.

Supply only MS bolts, nuts, washers, of various sizes complete all as specified and directed.

Material & Labour for earthing complete with galvanised steel earth plate electrode 60x60cmx6.3mm thick burried directly in ground ( earth pit not less than 2.25 Mtr deep below ground level ) with top edge of the plate not less than 1.5 Mtr below normal ground level, connected to galvanised from strip of 32x6mm earth lead by means of bolts, nuts, check nuts and wathers of GI or steel all as shown in electrical plate No. 3 of SSR Part-I 2009 connected to earthing test point/transformer/panel all as specified or indicated and testing on completion as directed by the Engineer-in-Charge including necessary excavation & earth work in any type of soil, funnel, PCC chamber ( 1 : 3 : 6) type C1, RCC pit cover , charcol, salt including provision of earth lead protected by 40mm dia light grade GI pipe and 20mm dia medium grade GI Pipe for watering complete. Note: (i) If the desired earth resistance is not found within permissible limit shall be redone by contractor at no extra cost. (ii) Cost of galvanised strip 32x6mm earth lead and 40mm dia light grade GI pipe and 20mm dia medium grade GI Pipe for watering upto 7.5 mtr is included in the rate quoted for this item

All as per item No 95 here-in-above but earth lead GI wire 4.00 mm. dia by means of bolts, Nuts, Check Nuts and washers of galvanized iron and thimbles and other ends of the earth wire connected to main switch board and protected by galvanized iron pipe light grade 15 mm. bore and water pipe 20 mm. bore GI light grade with funnel and wire mesh, complete all as shown in elect plate No. 3 of SSR part I of 2009.

Supply and fixing synthetic chequer rubber matting sheet suitable for 11000 volts of size 2m x 1m x 19mm thick Complete as per standed IS specification complete all as directed.

Material and labour MS Chequered plate 7 mm thck. in size including cutting fabricated cold or hot welding at site drilling holes nuts - bolt and washers etc including angle iron 65 mm x 65 mm x 6 mm thick for mounting of MS sheet cover dully painted with black bituminous paint over one coat of red oxide primer and as directed. including breaking of existing duct for grouting of angle iron, and making good Pcc of the existing duct , at water supply installation all as specifid and directed.

Material and labour for fault detection in UG HT cable of any size oy type at any depth with fault locator incl material T&P required for the same and testing complete all as specified and directed. Note :- 1. Joint, excavation laying only of cable shall be measured and paid seperately. 2. Each faultshall be treated as one job and contractor have to address the said fault immediately.

Ansh Enterprises

M/S J J ENTERPRISES