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| 1 | Disconnecting all the electrical connections from H.T and L.T side of unserviceable transformer of capacity upto and including 300 KVA i.e. Jumpers/ Cable from the cable end box or bushings & earthing terminal of the transformers by removing the nuts bolts including taking down carefully, loading, unloading of transformer & transportation by vehicle from substation to the repairing workshop including reinstallation, commissioining and testing complete after necessary repair/ servicing etc all as specified and directed.NOTE : Loading/ unloading of transformer shall be the responsibility of the contractor at their own arrangement and nothing extra shall be admissible on this account. |
| 2 | Opening the transformer cover alongwith connected accessories, the 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 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, complete all as specified and directed for various capacities upto and including 400 KVA.NOTES :- (i) Copper wire to be measured 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 items required for repairs shall be measured and paid separately under relevant items 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 item. |
| 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 including providing insulation all as required, complete all as specified and directed. |
| 5 | S&F in replacement for LT porcelain bushings 415 V of suitable size for outdoor/ indoor type with rubbersied cork sheet washers complete, of transformer of the capacity upto 400 KVA, complete all as specified and directed. |
| 6 | S&F in replacement for porcelain bushing for 11KV HT side outdoor transformer with rubberised cork sheet washers all as required at site suitable for transformer of capacity upto 400 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 of the capacity upto 400 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 of the capacity upto 400 KVA, complete all as specified and directed. |
| 9 | S&F in replacement for breather assembly for transformer of capacity upto 400 KVA all as per existing 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 400 KVA, complete all as specified and directed. |
| 11 | S&F in replacement for oil temperature gauge/ thermometer for transformer of capacity upto 400 KVA all as per existing, complete all as specified and directed. |
| 12 | S&F in replacement for Diaphragm of breather assembly for transformer of capacity upto 400 KVA complete all as per existing specification and size required at site complete all as specified and directed. |
| 13 | Dehydration including filteration of transformer 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).NOTES :-(i) Dehydration of transformer oil in the transformer carried out on the site by dehydration machine.(ii) All the labour work like disconnect of cable and reassemble and drum etc, carried out by contractor by 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 transformers 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 of the capacity upto 400 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 and filling up in replacement for silica gel superior quality to trnasformer breather assembly, complete all as specified and directed. |
| 17 | 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 not exceeding 1.5m in depth and getting out in any type of soil, complete all as specified and directed. |
| 18 | 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. |
| 19 | Removing 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. |
| 20 | Returning, filling in, spreading, levelling, watering and well ramming in layers not exceeding 25cm thick, complete all as specified and directed. |
| 21 | Supply and laying un reinforced precast concrete cable cover, class HV, type 1 with peak unreinforced of size 300mm x 180mm x 40mm for protection of cable abutting each laid dry flat width equal to the length of cable cover etc, complete all as specified and directed. |
| 22 | M&L for dry river sand, laid in trenches for cable protection, as 15cm thick below the cable and 8cm thick above the cable, complete all as specified and directed.NOTE :- Punned thickness of sand shall be measured & paid. |
| 23 | M&L plain cement concrete 1:4:8 type D-2 (using 40mm graded crushed stone aggregate) for foundation filling of pole/ stay and mass concrete including necessary form work, complete all specified and directed. |
| 24 | M&L plain cement concrete 1:3:6 type C-1 (using 20mm graded crushed stone aggregate) for foundation filling of stays or coping of poles, complete all as specified and directed. |
| 25 | Supply, laying, testing and commissioning for HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11KV grade, suitable for earthed system, with aluminium conductor of size 185 Sqm 3 core, including taking down unserviceable HT cable of any type/ size/ description, etc, complete all as specified and directed. NOTE :- Necessary Excavation & Earth work shall be measured and paid separately. |
| 26 | Dismantling of cross-arms of M.S. Channel or angle sections etc, from poles, complete all as specified and directed. |
| 27 | M&L cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, weilding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of alumn paint, complete all as specified and directed. |
| 28 | M&L in replacement for cable end termination outdoor, heat shrinkable type suitable for XLPE cable of size 120 sqmm to 185 sqmm 3 core with working voltage 11000 volts with jointing material and accessories including testing etc, complete all specified and directed. |
| 29 | Dismantling and taking down carefully old ACSR conductor/ GI wire of any size from HT overhead line after unbinding from insulator, complete all as specified and directed. |
| 30 | Restretching aluminium conductor or GI wire on existing over head lines (running on 9/11 Mtrs pole) without removing including unbinding from insulator and rebinding to insulator using aluminium binding wire, connections of incoming and out going cables,binding with spacers where required, complete all as specified and directed. |
| 31 | Supply and stringing ACSR conductor any size to HT overhead lines, stretching properly to achieve proper sag including binding to insulators using GI/ aluminium binding wire all as required at site or directed, complete all as specified and directed. |
| 32 | Dismantling of insulators of any type, any size, complete all as specified and directed. |
| 33 | Dismantling stay assembly complete including excavation for taking out PCC block breaking of PCC block for taking out MS plate and removing unserviceable item i.e. iron items or PCC from site, complete all as specifed and directed. |
| 34 | Dismantling unserviceable pre-stressed concrete pole 11.00 mtr long commplete and removing from site, complete all as specified and directed. |
| 35 | Supply, installation and erection in 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. |
| 36 | M&L for 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 alternative green and white strips of 30 cm each upto 1.5mtr height using aluminuim pait. 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. |
| 37 | 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 or directed. |
| 38 | S&F in replacement polymer disc insulator 11 KV, complete all as specified and directed. |
| 39 | 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 specified and directed. |
| 40 | M&L in replacement for stay assembly complete with MS stay plate of size 300x300x6mm thick, stay rod 20mm dia, stay bow, nuts, bolts and check nuts of GI all as shown in EP No 01 of SSR Part-I of 1991, complete all as specified and directed. NOTE : Excavation, PCC, Stay wire and loop type insulators will be measured and paid separately). |
| 41 | M&L in replacement for galvanised Iron stay strand of size 7/4mm, complete all as specified and directed. |
| 42 | M&L loop type insulator large size with overall dimensions (90x140)mm with clearance of hole 25.5mm vitreous white brown or green, complete all as specified and directed. |
| 43 | S&F composite post insulator Polymer 252mm high & 105mm dia, complete all as specified and directed. |
| 44 | S&F in replacement of existing unserviceable composite pin insulator with polymer 252 mm high & 105mm dia, complete all as specified and directed. |
| 45 | 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. |
| 46 | 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. |
| 47 | 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. |
| 48 | 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. |
| 49 | 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. |
| 50 | 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. |
| 51 | Trimming up of tree branches upto 3 mtr all around HT overhead lines, removing cut branches from site as directed, the overhead lines will be kept clear from all trees by trimmings of tree branches within 3 mtr all around the line, complete all as specified and directed.NOTES :-(i) Necessary permission will be obtained from department by contractor one day prior to trimming in particular area and shut down of that area will be arranged by department.(ii) Only effected Span at site shall be measured where tree branches are touching nearly HT/ LT lines. (iii) Contractor shall be responsible for care & safety of person deployed at site during trimming of Tree from HT/LT lines.(iv) Contractor shall provide the safety equipment/ T&P for the person deployed at site at their own arrangement. |
| 52 | S&F in replacement for GI tubing light grade 150 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole, complete all as specified and as directed. |
| 53 | S&F in replacement for GI tubing light grade 100 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole, complete all as specified and as directed. Please Enable Macros to View BoQ information |
| 54 | S&F in replacement for GI tubing light grade 100 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole, complete all as specified and as directed. Please Enable Macros to View BoQ information |
