REPAIR MAINT OF TRANSFORMER VCBs REPLACEMENT OF DAMAGED HT UG CABLE HT CONDUCTOR AND CONNECTING ACCESSORIES AT 1st HORSE AREA AND D II AREA UNDER AGE EM OF GE S MAMUN

Amount

Disconnecting all the electrical connections from H.T. and L.T. side of unserviceable transformer of capacity upto and including 1000 KVA i.e. Jumpers/cable from the cable end box or bushings & earthing terminal of the transformers including taking down carefully, loading, unloading of transformer & transportation by vehicle from substation to the repairing workshop & transportation from workshop to same substation or any other substation / including reinstallation, commissioning and testing after repair /servicing complete all as specified and directed Note : Loading/unloading of transformer shall be the responsibility of the contractor at their own arrangement.

Opening the transformer cover of capacity upto & including 1000 KVA along with connected accessories, the conservator by removing the nuts bolts then after removing the internal H.T & L.T 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 with 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, repair of leakage of tank if any by welding, refilling transformer oil to tank after putting the core-winding assembly into the tank, reassembling and making the internal H.T & L.T 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 by Engineer-in-Charge. Note : (i) Items required for repairs including copper wire/strip required for rewinding of transformer shall be measured and paid separately under relevant item of this schedule. (ii) Repair of the transformer will be carried out at auth workshop. GE/ AGE E/M will visit to workshop before repair of transformer and certificate of auth workshop shall be submitted by the contractor. (iii) Unserviceable items required for 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 dehydrated by machine shall be filled and measured and paid separetely under respective item.

Supply and fixing in replacement of super enamelled copper winding wire with insulation of any size for HT Coils of transformers complete all as specified and directed.

Supply and fixing in replacement of copper winding strip with insulation of any size for LT coils of transformers including providing insulation all as required.

Supply and fixing in replacement of LT porcelain bushings 415 V of suitable size for outdoor/ indoor type transformer of the capacity upto 200KVA with rubberised cork sheet washers complete, all as specified and directed.

All as Per Srl item No 5.00 here in above but transformer capacity above 200 KVA upto 1000 KVA complete all as specified.

Supply and fixing in replacement of worn out porcelain bushing for 11 KV HT side for outdoor type transformers upto 200KVA with rubberised cork sheet washers all as required at site complete, all as specified and directed.

All as Per Srl item No 7.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of worn out porcelain bushing for 11 KV HT side for indoor type transformers upto 200KVA with rubberised cork sheet washers all as required at site complete, all as specified and directed.

All as Per Srl item No 9.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of bush rod (for LT 415V 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 200KVA complete all as specified and directed.

All as Per Srl item No 11.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of bush rod (for HT 11KV 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 200KVA complete all as specified and directed.

All as Per Srl item No 13.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of unserviceable breather assembly for transformer of capacity upto 500 KVA all as per existing complete all as specified & directed

Supply and fixing Arcing Horns of suitable size complete all as per sample for transformer of capacity upto 200 KVA complete all as specified & directed

All as per Srl item No 16.00 here in above but transformer capacity above 200 KVA upto 500 KVA

Supply and fixing for UNSV oil temperature/ thermometer with new oil temperature/thermometer for transformer capacity upto 500KVA with all connected accessories complete all specified and directed.

Supply and fixing in replacement of Diapharm of breather assy for transformer of capacity upto 1000 KVA complete all as per existing specification and size required at site complete all as specified & directed.

Material and Labour for dehydration including filteration of transformer oil using dehydration 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 2.5 mm gap after completion of dehydration and filteration). Note:- (i) Dehydration of transformer oil in the Transformer carried out on the site by dehydration machine. (ii) All the Labour work like disconnection of cable and reassemble & drum etc. has to be carried out by contractor under their own arrangement. (iii) Shut down of HT/LT line shall be taken by contractor from MES rep. (iv) Both test sheets of transformer oil before dehydration and after dehydration shall submitted to Engr-in-Charge.

Supply and filling/toping up of transformer oil in different transformer with high viscosity, high resistance to oxidation & thermal stability, as per IS 355, dielectric strength (BDV) 60 KV at 2.5 mm gap complete all as specified and as directed.

Material and Labour for Preparation of old painted surfaces and cooling coils/ fins of transformers of upto 200 KVA ( incl. 200 KVA) capacities by removing oil marks using chemical or hot blow lamp. Spray painting to prepared surfaces using synthetic enamel paint of superior quality of colour as approved by GE / 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 & directed. Note: Shutdown of HT/LT line shall be taken by contractor in writing from MES rep.

All as Per Srl item No 22.00 above but of capacity above 200 KVA to 500 KVA complete all as specified & directed.

Supply and filling up in replacement silica gel superior quality to transformer breather assy all as required and directed.

Excavation in trenches in soft/loose soil n. exc. 1.5 Mtr in width and not exceeding1.5 Mtr in depth and getting out all as required for laying of cable/ poles complete all as specified and directed.

Excavation in trenches in soft/loose soil n. exc. 1.5 Mtr in width and exc. 1.5 Mtr but not exc. 3.00 Mtr in depth and getting out all as required for laying of cable/ poles complete all as specified and directed.

Removing excavated material to a distance not exceeding 50 Mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required complete all as specified and directed.

Supply and laying unreinforced precast cement concrete cable cover, class HV, type 1 with peak, size 300 mm x 180mmx 40mm for protection of cable abutting each laid dary flat width equal to the length of cable cover complete all as specified and directed.

Material and Labour for dry fine sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm thick after laying, stretching and testing the cable all as directed. Note: Punned thickness shall be measured and paid.

Material and labour for plain cement concrete (1:4:8) type D-2 with (using 40mm graded crushed stone aggregate) as in foundations and mass concrete etc complete all as specified and directed.

Material & labour for plain cement concrete (1:3:6) type C-1 with (using 20mm graded stone aggregate) as in coping of poles and foundation of stay etc including necessary form work, complete all as specified and directed.

Material and Labour for detection of any type of fault in HT underground Line (laid in soil at plane area or forest area) with the help of Cable fault locator machine. Cable fault locator with carring vehicle will be brought by the cable fault detection agencies. Span of faulty cable will be trace out by the agencies by meggering HT cable. Note : 1. Detection of fault in one span of length will be measured as Each Job. 2. Technicians will be employed by the contractor. 3. Earth work and taking out will be measured and paid seperately. 4. Material for repair and replacement will be measured and paid saperately. 5. One job shall be measured if the fault has successfully rectified by the fault locator machine and Technician. 6. HT fault should be trace and done within 48 hour if not done recovery of Rs. 2000/per fault shall be made from contractor's due

Supply, laying of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 95 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Supply, laying of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 120 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Supply, laying of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 185 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Supply, laying of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 300 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Dismantling cross-arms of M.S. channel or angle sections etc. complete all as specified and as directed.

Material and labour in replacement of Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one prime coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed.

Material and labour in replacement of cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories including testing suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 sqmm 3 core complete all as specified and directed.

Material and labour in replacement of cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories including testing suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 sqmm 3 core complete all as specified and directed.

Material and labour in replacement of cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories including testing suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm to 300 sqmm 3 core complete all as specified and directed

Material and labour in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink outdoor type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 sqmm 3 core with working voltage 11000 volts complete all as specified and directed.

Material and labour in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink out door type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 sqmm 3 core with working voltage 11000 volts complete all as specified and directed.

Material and labour in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink outdoor type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 Sqmm 3 core with working voltage 11000 volts complete all as specified and directed.

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

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. Note: (1) ACSR conductor Required for winding etc is deemed included in quoted rates. (2) The distance between two poles shall be considered as one Span for measurement purpose. (3) For measurement length of set of 3 conductors including GI wire/Cradle or gurading wire shall be taken as one span.

Supply and stringing ACSR conductor any size to HT/LT over head lines, stretching properly to achieve proper sag including binding to insulators using GI/aluminium binding wire all as required at site including connections of incoming and out going cables complete all as specified and directed.

Dismantling of insulator of any type, shape & size, complete all as specified & directed.

Dismantling stay assembly complete including excavation for taking out PCC block breaking of PCC block for taking out MS plate and removing u/s item i.e iron items or PCC from site., complete all as specified & directed.

Material and labour for HT Cable route marker made out of Reinforced concrete cement type C-1 (1:3:6) with 4 mm dia MS bars of size 600x450x450mm at bottom and 600x200x200mm at top duly engraved 'HT CABLE' complete all as specified and directed.

Material and labour for Prestressed concrete 11.00 metre long .152 mmX152mm at top and 152 mm x 260 mm at bottom class 9. errecting in truly position including dismantling of existing old unserviceable Prestressed concrete pole 11.00 metre long complete and removing from site all as specified and directed by Engineer-in-Charge. Note: (Earth work and PCC to be measured and paid for seperately)

Material and labour for painting of PCC pole 11 mtr height without removing accessories with one coat of alternative green and white strips of 30 cm each upto 1.5 mtr height using cement base paint. Marking the pole No with black enamel paint. Painting the steel parts i.e clamps, channels etc by applying one coat of aluminium paint all as required at site or directed.

Material and labour for scraping of old paint from the steel tubular pole 11 mtr height with out 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 1.5 mtr height using cement base paint . Marking the pole No with black enamell paint. Repainting the remaining pole and iron parts i.e U clamps, chanels etc above 1.5 mtr height by applying one coat of aluminium paint all as required at site or directed.

Material and labour for replacement of existing unserviceable switch air break, gang operated, 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 all as required at site or directed.

Supply and fixing of polymer disc insulator 11 KV complete all as required at site and directed.

Material and labour for 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 required at site and directed.

Material and labour for replacement of unserviceable 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 2009 or directed. Note: (Excavation, PCC, stay wire and loop type insulators will be measured separately).

Material and labour for replacement of unserviceable galvanized stay strand of size 7/4 mm, complete all as specified and directed.

Material and labour for loop type insulator large size with overall dimensions (90 x140) mm with clearance of hole 25.5 mm vitreous white brown or green complete all as required at site or directed.

Supply and fixing of composite post insulator Polymer 252 mm high & 105 mm dia, complete all as required at site and directed.

Supply and fixing in replacement of existing unserviceable composite pin insulator with composite pin insulator polymer 252 mm high & 105 mm dia, complete all as required at site or directed.

Dismantling of spares of GOD such as Male, Female , copper belt, belt carrier and back connector plate etc, complete all as specified and directed.

Supply and fixing of 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.

Supply and fixing of 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.

Supply and fixing of tinned Copper braided flexible belt or jumper 200 Amp/400 Amp, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing, complete all as specified and directed.

Supply and fixing of 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.

Supply and fixing of Back connector plate, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing complete all as specified and directed.

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 trimming of tree branches upto 3 mtr all around the line. Note :- (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 trimmming of Tree from HT/LT Lines. (iv) Contractor shall be provide the safety equipment /T&P for the person deployed at site at their own arragement.

Supply and fixing 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.

Supply and fixing 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.

Material and labour for replacement of unservicable earthing with steel earth plate electrode of size 600mmx600mmx6mm thick buried directly in ground to a depth not less than 2.25mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate, 40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI medium grade watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30cm made of RCC 1:3:6 with suitable handle,angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt in each layers of 15cm all around the earth plate, removal of surplus soil and returning filling in all as required at site including test point terminal made out of gun metal or phosphorus bronze of size 75x75x25mm, drilled and screwed including 3 Nos 8mm dia 25mm long hex head screw complete fixed to wall all as specified in plate No 3 of SSR Part-I and directed by Engr-in-Charge.

Material and labour for replacement of unservicable earthing with copper plate electrode of size 60cmx60cmx3.15mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to copper earth lead strip of size 20x3mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate, 40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI medium grade watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30cm made of RCC 1:3:6 with suitable handle, angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt in each layers of 15cm all around the earth plate, removal of surplus soil and returning filling in all as required at site including test point fixed to wall all as specified in plate No 3 of SSR Part-I and directed by Engr-in-Charge.

Material and labour for scraping old paint from steel sections of transformer plateform without removing accessories and preparation of surfaces including plastering walls for repainting /white washing. Repainting the wall with one coat of snowcem of approved color and repainting the remaining Iron parts i.e. cross armes supporting angles, XPM jali, clamps GI bracket etc by one coat of aluminium paint all as reqiured at site or directed.

Material and labour for chequered cement concrete tiles with gray cement and pigment 20cmx20cmx20mm thick machine pressed jointed and pointed in neat cement slurry, laid in floors, over and including 15mm thick screed layer in cement mortar 1:4, complete all as specified and directed.

Material and labour for construction of platform for transformer of size 3.00m x2.50m x1.20m high from natural ground level with PCC 1:4:8 in foundation, 100 mm thick PCC 1:2:4 type B1 at top portion of platform, brickwork with cement mortar 1:4 and complete 15mm thick rendering in CM 1:4 for exposed surface including necessary MS work (i.e. chain link fencing and gate fixed on angle iron post) on the top of platform around transformer upto height 1.2m and one coat of white wash on plastered surface shown on drawing No CEPZ/TD/350/08 sheet 1/2 complete all as specified and directed.

Supply and fixing in replacement of existing unserviceable anti climbing device spikes type fabricated out of MS bars (round, spuare or flat ) including nuts, bolts washers and welding into two halves made to shape to suite the cross section of the pole including one coat of primer and one under coat and one finishing coat of aluminium paint including preparation of surface complete all as specified and directed.

Supply and fixing in replacement of existing unserviceable danger notice board with pressed vitreous painted plate fabricated out of 1.6mm thick mild steel sheet vitreous enamelled white with letters, figures and convertional skull and bones in signal red colour and fixed with MS clamp bolts and nuts of approved size for HT, 25X20cm size complete all as specified and directed.

Material and labour for graded course aggregate of 40 mm grade nominal size without any vegitation or chemical including levelling /spreading surrounding HT 2/4 pole structure, HT panel all as specified directed . Note : (Rates are deemed to be included for bricks required for retaining the aggregates)

Material and labour for repair of existing platform for single transformer as per existing size as shown in drg No CEPZ/TD/350/08 sheet 1/2 from natural ground level with brick walling if required with surface finishing using extra cement, plastering and PCC work to step and platform and including repair to steps as per existing shape and size by repair of rusted and broken chain link fencing and gate XPM fencing and channel fixed on angle iron posts upto 1.20m height with gate and locking arrangement, painting etc, complete all as specified

M&L for marking of earth pits of transformer and VCBs by painting, the colour as approved by GE / AGE E/M as per standard engineering practice complete all as specified and directed.

Supply, installation, commissioning and testing of HT 11 KV, Bus bar box of size 1200mmx1200mmx 1000mm, outdoor type, floor mounted, made out of CRCA sheet of thickness 3.15mm and CPRI approved incuding weather proof, dut and vermin proof having IP. 65 rated protection and painted with powder coated having 8 tank process, with common elecrolytic, sleeve insulated Aluminium bus bar not less than 1000 Amp capacity and mounted on high quality insulators, 3 phase having phase to phase and phase to body designed with a minimum distance of 250 mm alongwith double door and locking arrangements duly provided with 11 KV danger notice plate including fixing of bus bar on plateform as per OEM directions complete all as specified and as directed

STANDARD CONSTRUCTION CO (BID ID -3351023)

dinesh enterprises (BID ID -3348383)

vivek and co (BID ID -3358411)

JANDIAL ENTERPRISES (BID ID -3351285)

KULBHUSHAN AGGARWAL (BID ID -3350938)

Vijay Kumar Contractor and Engineers (BID ID -3351230)