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| 1 | Disconnecting all the electrical connections from HT and LT side of unserviceable transformer/Voltage stablizer of capacity upto and including 600 KVA i.e. Jumpers/ Cable from the cable end box or bushings & earthing terminals of the transformers by removing the nuts, bolts including taking down carefully, loading, unloading of transformer/AVR & transportation by vehicle from substation to the repairing workshop including reinstallation, commissioining and testing complete after necessary repair/ servicing etc complete all as specified and directed.NOTE :-(i) Loading/ unloading of transformer/voltage stablizer shall be the responsibility of the contractor at his own arrangement and nothing extra shall be admissible on this account |
| 2 | Opening the transformer/voltage stablizer cover alongwith connected accessories, conservator by removing the nuts, bolts then after removing the internal HT & LT connections by taking them out by removing studs, bushings, taking out the core-winding assembly out of the tank, removing out burnt HV and LV windings from the core assembly, cleaning of core assembly with CTC including necessary repairs for the unserviceable transformers/voltage stablizer having ratio 11/ 0.433 KV, draining & decanting of burnt transformer oil and cleaning of sludge deposited in the tank and cleaning by using CTC/ thinner for the transformers. Rewinding of HV and LV coils with suitable size super enamelled copper wire/ strip (as existing) having suitable class insulation material. Reconditioning of LT coil of aluminium/ copper wound transformer by turning the old paper insulations, straightening the entire LT Strip providing new paper insulations of superior quality and making coil of suitable design as original. Heating of core winding assembly in hot chamber for 48 hours and removing all the moisture present in it, removal of leakage of tank (if any) by welding, refilling transformer oil to tank, after putting the core-winding assembly into the tank, reassembling making the internal HT & LT connections by fixing the studs, bushing, fitting the top cover by replacing cork sheet gasket along with conservator, testing the transformer in the workshop duly filled with oil, all as directed for various capacities upto and including 600 KVA.NOTE :- (i) Copper wire to be measured and paid as separate item.(ii) Repair of the transformer will be carried out at authorised workshop. AGE (I)/ AGE E/M shall visit workshop before repair of transformer and certificate of authorised workshop shall be submitted by contractor.(iii) Unserviceable item required repairs shall be measured and paid separately under relevant item of this schedule. Transformer oil with die electric strength not less than 60 KV either new or filtered and dehyderated by machine shall be filled and shall be measured and paid separately under respective items |
| 3 | Supply only super enamelled insulated copper wire any size and shape including all insulating binding, varnishing and baking if required, complete all as specified and directed. |
| 4 | Supply only copper winding strip with insulation of any size for LT coils of transformers/voltage stablizer including providing insulation all as required, complete all as specified and directed |
| 5 | S&F in replacement for LT porcelain bushings 415 Volts of suitable size for outdoor/ indoor type with rubbersied cork sheet washers complete, of transformer/voltage stablizer of the capacity upto 600 KVA, complete all as specified and directed |
| 6 | S&F in replacement for porcelain bushing for 11KV HT side outdoor transformer/voltage stablizer with rubberised cork sheet washers all as required at site suitable for transformer/voltage stablizer of capacity upto 600 KVA, complete all as specified and directed |
| 7 | S&F in replacement for bush rod (for LT 415 V side) made out of copper as per existing size and type complete with one check nut, two nuts, washers and rubber seal, all as per sample for outdoor/ indoor type transformer/voltage stablizer of the capacity upto 600 KVA, complete all as specified and directed |
| 8 | S&F in replacement for bush rod (for HT 11 KV side) made out of copper as per existing size and type complete with one check nut, two nuts, washers and rubber seal, all as per sample for outdoor/ indoor type transformer/voltage stablizer of the capacity upto 600 KVA, complete all as specified and directed |
| 9 | S&F in replacement for breather assembly for transformer of capacity upto 600 KVA specification all as per existing specification all as directed at site, complete all as specified and directed |
| 10 | S&F in replacement for Arcing Horns of suitable size complete all as per sample for transformer of capacity upto 600 KVA, complete all as specified and directed |
| 11 | S&F in replacement for oil temperature gauge/ thermometer for transformer of capacity upto 300 KVA all as per existing specifications, complete all as specified and directed. |
| 12 | S&F in replacement for Diaphragm of breather assembly for transformer of capacity upto 600 KVA complete all as per existing specifications and size required at site complete all as specified and directed |
| 13 | Dehydration including filteration of transformer/voltage stablizer oil using dehydration and filteration plant including testing of sample before and after dehydration and filteration complete all as specified and directed. (The dielectric strength to be achieved 60 KV at 2.5mm gap after completion of dehydration and filteration).NOTE :-(i) Dehydration of transformer/voltage stablizer oil in the transformer carried out on the site by dehydration machine.(ii) All the labour work like disconnection of cable and reassembly and drum etc, shall be carried out by contractor through his own arrangement.(iii) Shutdown of HT/ LT line shall be taken by contractor in writing from MES representative. |
| 14 | Supply and top up/ filling of new transformer oil in different transformer with high viscosity, high resistance to oxidation & thermal stability, as per IS-335(1993), dielectric strength (BDV) 60 KV with 2.5mm gap, complete all as specified and directed |
| 15 | Preparation of old painted surfaces and cooling coils/ fins of transformers/voltage stablizer of the capacity upto 600 KVA by removing oil marks using chemical or hot blow lamp. Spary painting to prepared surfaces using synthetic enamel paint of superior quality of colour as approved by AGE (I)/ AGE (E/M) as per standard engineering practice with two coats, writing SM No. MES No, Make and capacity with white paint having height of each letter not less than 2.5cm and width not less than 1cm, complete all as specified and directed. NOTE :-(i) Shutdown of HT/ LT line shall be taken by contractor in writing from MES representative. |
| 16 | Supply, laying, jointing, testing and commissioning XLPE cable , PVC insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11000 Volts grade (earthed), 3 core 185 sqmm laid in trenches / floor / duct / fixed on poles / through GI tubing in different locations / areas complete all as specified and directed. |
| 17 | S&F cable jointing kit for 11KV grade cable for Outdoor end termination Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and as directed. |
| 18 | S&F cable jointing kit for 11KV grade cable for Outdoor straight through Heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Aluminium conductor cable of size 120 to 185 sqmm complete all as specified and as directed. |
| 19 | Supply and filling up in replacement for silica gel superior quality to transformer breather assembly, complete all as specified and directed |
| 20 | Excavation in trenches in any type of soil not exceeding 1.5mtr wide and not exceeding 1.5 mtr deep, for foundation, etc for shafts, wells, cesspits, manholes, pier holes, laying of cables/ foundation of poles etc not exceeding 10 sqm on plan and getting out, complete all as specified and directed |
| 21 | Excavation in trenches in any type of soil not exceeding 1.5mtr wide and exceeding 1.5 mtr but not exceeding 3.00mtr in depth and getting out for laying of cables/ foundation of poles, complete all as specified and directed |
| 22 | Removing of surplus excavated material (soil) to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.50 mtr above the starting point, complete all as specified and directed. |
| 23 | M&L dry river sand laid in trenches for cable protection as 8 cm thick below the cable and 15 cm thick abov the cable,complete all as spceified and as directed. Note:- Punned thickness of sand be measured & paid |
| 24 | Supplying and laying reinforced precast concrete cable cover, class EHV, type 1 with peak, size 450mm x 230mm x 50mm,complete all as spceified and directed |
| 25 | Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick, complete all as specified and directed. |
| 26 | S&F in repairs 80 mm bore GI tubing ,light grade,laid in trenches,road crossing for cable protection or fixed to wal;s with clamps,complete all as specified and as directed |
| 27 | M&L for Road cutting for cable crossing and cutting with drilling machine, not wide 0.45X Depth 0.90 metre with skilled labour and direction given by AGE (I) and making good as existing complete all as specified and directed |
| 28 | Supplying and laying synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of size 2m x 1m complete all as specified and directed |
| 29 | M&L plain cement concrete 1:4:8 type D-2 (using 40mm graded crushed stone aggregates) for foundation filling of pole/ stay and mass concrete including necessary form work, complete all specified and directed |
| 30 | M&L plain cement concrete 1:3:6 type C-1 (using 20mm graded crushed stone aggregate) for foundation of stays or coping of poles, complete all as specified and directed |
| 31 | Supply, installation and erection in truely vertical position steel tubular swaged poles, type 410, SP-55 (11 meters long) with 300x300x6mm thick mild steel base plate continuously weilded to pole, MS plate 3mm thick finial taper plug bolt, nuts and screws all as specified including factory painted with two coats of black bituminous paint internally throughout and externally for embedded portion and applying two coats of aluminium paint over a coat of red oxide primer on remaining exposed surfaces and making alternate black and white strips 30cm high with super enameled paint over a coat of red oxide primer upto 1.5 mtrs height from ground level/ coping after erecting, complete all as specified and directed. NOTE :- Excavation, PCC for foundation and earth work shall be measured and paid separately under respective items of this BOQ |
| 32 | M&L scraping of old paint from the steel tubular pole 11 mtr height without removing accessories and preparation of surfaces for repainting. Repainting the pole with one coat of alternate green and white strips of 30 cm each upto 1.5mtr height using aluminuim paint. Marking the pole No with black enamell paint. Repainting the remaining pole and iron parts i.e. U clamps, channels etc above 1.5mtr height by applying one coat of aluminium paint, complete all as specified and directed. |
| 33 | M&L in replacement of exisitng unserviceable switch air break, gang operated device, tripple pole mounted on insulators 15 Nos and steel frame with operating mechanism in worked from ground level, drop out fuse for current rating upto 400 Amps and working voltage 11000 volts, complete all as specified and directed |
| 34 | Taking out operating handle with clamps from the GO switch to carry out the repairs. Cutting the operating rod to the required length and refixing to the GO switch alongwith new handle and new clamp for handle all as required for smooth operation of GO switch, complete all as specieid and directed |
| 35 | Dismantling of spares of GOD such as Male contact, Female contact, copper belt, belt carrier and back connector plate etc, complete all as specified and directed. |
| 36 | S&F Male contact/ moving contact blade with arching horn having brass contacts suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing on post insulator or any other indicated situation, complete all as specified and directed. |
| 37 | S&F Female contact spring loaded having brass contacts suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing on post insulator or any other indicated situation, complete all as specified and directed |
| 38 | S&F tinned Copper braided flexible belt or jumper 200Amp/400Amp, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing, complete all as specified and directed. |
| 39 | S&F MS jumper Carrier for carrying copper braided belt, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing, complete all as specified and directed |
| 40 | S&F Back connector plate, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing, complete all as specified and directed Please Enable Macros to View BoQ information |
| 41 | S&F Back connector plate, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing, complete all as specified and directed Please Enable Macros to View BoQ information |
