CA NO CWE/AMB/UTILITY-88 OF 2025-26 REPAIR/ MAINT OF 11 KV HT NETWORK HT VCBs RMUs DISTRIBUTION TRANSFORMERS AND ALLIED WORKS UNDER SECTOR A UNDER GE (UTILITY) AMBALA CANTT

Excavation in trenches in soft/loose soil n.exc 1.5 Mtr deep and n.exc 1.5 mtr wide for laying of HT cable and getting out including dressing/trimming of sides and leveling, grading and ramming of bottom of excavation complete all as specified and as directed.

–ditto- but exceeding 1.5 mtr deep but not exc 3.0mtr deep complete all as specified and as directed.

M&L for fine and dry sand cushioning to under ground cable including provision of layers of sand 8 cm deep before laying and 15cm deep after laying the cable and stretching of cable complete all as specified and as directed.

Supplying and laying un-reinforced precast concrete cable cover, class precast concrete cable cover, class HV,Type 1 with peak, size 300mm x 180 mm x 40 mm complete all as specified and as directed.

Dismantling and taking down old unsv PCC HT pole and Supply, transportation upto site of work and erection of pre stressed concrete pole in vertical position 11 Mtr long 152x152 at top and 152mmx260mm at bottom class-9 conforming to IS-1678 and including marking alternate 05 Nos white and black strip 30cm height with two coats of synthetic enamel paint incl numbering on poles complete all as specified and as directed.. (Note:Excavation and earth wok and PCC for foundation, channel, clamps nuts, bolts to be measured and paid separately ).

Dismantling and taking down old unsv Steel tublar HT pole and Supply, transportation upto site of work and erection of Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.0 metres long) and including marking alternate 05 Nos white and black strip 30cm height with two coats of synthetic enamel paint incl numbering on poles complete all as specified and as directed. (Note :-Excavation and earth work and PCC for foundation, channel, clamps nuts, bolts to be measured and paid separately).

M&L for PCC 1:4:8 type D-2 using 40mm graded aggregate, mechanically crushed stone for mass filling in pole pit and foundation etc complete all as specified and as directed.

M&L for cement concrete (1:3:6) type C-2 using 40mm graded stone aggregate as coping of pole and strut, stay around the pole etc complete all as specified and as directed.

Material and labour of PCC 1:2:4 Type B-1 using 20 mm graded aggregate for coping of poles including necessary farm work and finishing the exposed surface even and smooth with out using extra cement complete all as specified and as directed.

Returning, filling, including leveling , watering and well ramming excavated soil in layers n.exc 25cm thick in trenches after cable have been laid complete all as specified and as directed.

Removing of excavated surplus soil obtained from excavation to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr of the starting point complete all as specified and as directed .

M&L in replacement of GI pipe light grade 80 mm dia for road crossing along with pole/culvert /drainage for mechanical protection of cable complete all as specified and as directed.

M&L in replacement of GI pipe light grade 100 mm dia for road crossing along with pole/culvert /drainage for mechanical protection of cable complete all as specified and as directed.

M&L in replacement of GI pipe light grade 150 mm dia for road crossing along with pole/culvert /drainage for mechanical protection of cable complete all as specified and as directed.

Supply and fix in replacement of danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled red, with letters, figures and conventional skull and bones in signal white colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and as directed.

Dismantling and taking down old unsv earthing and M&L for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by char coal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth lead wire of 4.0mm dia by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through 15mm dia GI pipe for protection of GI earth lead wire including 20mm dia GI pipe for watering GI funnel , PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing all as directed by Engr-In-Charge.

Dismantling and taking down old unsv earthing and M&L for earthing complete with galvanized steel plate earth electrode 60cmx60cmx6mm thick surrounded by char coal and salt buried directly in ground vertically in pit of depth not less then 2.25 mtr below ground level with top edge of the earth plate at depth of not less then 1.5 mtr below ground level surrounded from all sides by char coal dust and common salt in alternate layers of 15 cm depth and earth plate electrode connected to galvanised earth lead strip of size 25X4.0 mm by means of GI nuts bolts, check nuts and washers and connected to earthling test point drawn through 40 mm dia GI pipe for protection of GI pipe including 20mm dia GI pipe for watering GI funnel , PCC earth pit (1:3:6) type C-2 with CI frame and RCC cover all as shown in electrical Plate No 3 on SSR Part-I including testing all as directed by Engr-In-Charge.

Dismantling and taking down old unsv earthing and Material and labour for earthing complete with copper plate, with 60cm x 60cm x 3.15mm thick electrode, surrounded by charcoal and salt, buried in ground vertically not less than 2.25mtrs deep below ground level with top edge of the plate not less than 1.5mtrs below ground level connected to copper strip of size 20x3mm as earthing lead with bolts, nuts, checknuts and washers of galvanised iron or steel, earth strip protected by galvanized iron pipe 32mm dia (medium grade) from earth pit to test point and connected to main switch or main control board all as shown in Electrical plate No. 3 connected to earthing test point all as specified including testing on completion including necessary excavation and earth work (in any strata) providing charcoal dust, salt mixed with fine sand in continuous layers, with CI frame with cover, PCC (1:3:6) type C1 in pit, RCC cover slab 50mm thick in 1:2:4 type B-1 using 8mm dia TMT bars @10cm c/c both way with one 8mm dia bar as handle for lifting, 20mm dia bore light grade GI watering pipe, PGI sheet funnel etc complete all as specified and directed.

Dismantling and taking down old unsv LA and Supply, install, test and commission lightening arrestor suitable for HT 11 KV expulsion type 65 KA 11 KV rating complete all as specified directed. Make: Jaipuria/ Rashtriya/Pactil

Dismantling and taking down old unsv GOD and Supply, installing, testing and commissioning of air break gang operated triple switch( GODO) outdoor type , vertical mounting type of capacity 200 Amp with drop out fuse consisting 12 insulators ISI marked mechanically operated mounted on insulator and frame work with operating GI rods and mechanical work from ground level with locking arrangement including Godrej pad lock with two keys complete with fuse carrier and HT fuse element having upto 200 Amp rating suitable for HT 11 KV 50 HZ AC supply including necessary electric connection complete all as specified and directed. Make: Jaipuria/ Rashtriya/Pactil or equivalent.

Dismantling and taking down old unsv ACSR conductor and Material & labour for aluminium conductor steel reinforced (ACSR) weasel/Squirrel including fixing, stretching on poles and proper noseling with binding wire with insulator of any size as required at site complete all as specified and as directed.

Supply & fixing pin type insulator vitreous white, brown or green 11000 volts grade of 150 mm dia and 150mm height including one galvanized mild steel spindle with two GI washers and one galvanized nuts bolts incl dismantling and taking down old insulator complete all as specified and directed. Make: Jaipuria/ Rashtriya/Pactil or equivalent.

Supply and fixing disc type insulators, porcelain, vitreous 145 mm height and 255 mm dia ball and socket type, white, brown or green disc, 'Two-in-series' assembly for tension with tension clamps for conductor, working pressure 11000 volts grade, and dismantling and taking down of old unserviceable insulators complete all as specified and as directed. Make: Jaipuria/ Rashtriya/Pactil or equivalent.

Dismantling and taking down old rusted cross arms and M&L cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts and wasters,welding, bending cold or hot, drilling holes for bolts in any shape or size as indicated or directed and inclusive of one primer coat of red oxide primer and two coats of aluminum paint complete all as specified and directed.

Supply and replacement of silica gel suitable for transformers breather and protect VCBs, RMUs from moisture at 11 KV sub stations complete as per site requirementcomplete all as specified and directed.

S & F self-fusing Ethylene Propylene Rubber(EPR) based high-insulating voltage tape of width not less than 19 mm and thickness not less than 0.75 mm of any length to protect HT/LT XLPE cable from moisture and current leakage complete all as specified and directed.

Material and labour for Boring of holes under road, pavement, hard standing of any material and description, by trench less technology using ultra sound technique or manual boring including providing HDPE pipe of 150mm dia suitable for 0.4 mpa working pressure complete, all as specified and as directed. Note:- Boring depth as decided by Engineer-in-Charge.Material and labour for augering of hole of suitable dia & providing heavy duty HDPE pipe of size 150/160 mm dia in true horizontal drill under existing National Highway, road and railway track, buildings comlpete all as directed by Engineer-in-charge.NOTE:- (i) The auguring of horizontal hole will be carried out through trenchless horizontal boring machine as shown in site plan.(ii) the cost of HDPE pipe machinery ,transportation,DG Set etc included in the rate quoted.(iii) The boring will be carried out upto 03 mtr deep below the railway track ground level and NH 1 A line cost of excavation of working space as both side of trenchless boring will be deemed to be included in the rate quoted. (iv) while carrying out the work below railway track and NH 1 A , the contractor will adhere to instructions issued by the respective authority. The work will be carried out of at such places under the supervision of MES and Railway/ Highway authirities. (v) Any damage of other property like sewage pipes, other cables , water pipes etc will be repaired/replaced under this item without extra cost , Department will not be responsible for any damage. All kind of exc will be intimated to w/sup Sub Div,E/S Sub Div, Cantt Board & Signal Section etc. Make of HDPE pipe: Prince/supreme/SFMC or equivalent.

M&L XLPE cable insulated screened, PVC bedded galvanized steel strip of wire armored , electric power cable (Heavy duty ) with aluminum conductor 11000 volts grade cross sectional area 95 sqmm 3 core suitable for 11 KV earthed system incl taking down old unsv HT cable complete all as directed by Engr-in-charge . Make: Havells/ KEI/ SCI or equivalent.

M&L XLPE cable insulated screened, PVC bedded galvanized steel strip of wire armored , electric power cable (Heavy duty ) with aluminum conductor 11000 volts grade cross sectional area 120 sqmm 3 core suitable for 11 KV earthed system incl taking down old unsv HT cable complete all as directed by Engr-in-charge . Make: Havells/ KEI/ SCI

M&L XLPE cable insulated screened, PVC bedded galvanized steel strip of wire armored , electric power cable (Heavy duty ) with aluminum conductor 11000 volts grade cross sectional area 185 sqmm 3 core suitable for 11 KV earthed system incl taking down old unsv HT cable complete all as specified and directed. Make: Havells/ KEI/ SCI or equivalent.

Material and labour for cable route indicator showing "MES HT UG 11KV" and route of cable with arrow (should be embossed or engraved) made of RCC in suitable shape and fixed in PCC block 1:3:6 type C-2 using 40mm graded aggregate 60cm x 30cm in ground, 30cm below ground level and 30cm above ground level to show clear indication of cable including painting the complete slab with red paint and making the engraved/embossed letters/arrow with white paint complete, all as specified and as directed.

M&L for cable end termination jointing kit HT 11 KV grade earthed system (heat shrinkable) outdoor type complete with jointing material suitable for HT XLPE cable 50-95 sqmm 3 core 11 KV grade earthed system incl taking down old unsv HT joint complete all as specified and directed. Make: Denson/ MS Seal/ M Seal or equivalent.

M&L for cable end termination jointing kit HT 11 KV grade earthed system (heat shrinkable) outdoor type complete with jointing material suitable for HT XLPE cable 120-185 sqmm 3 core 11 KV grade earthed system incl taking down old unsv HT joint complete all as specified and directed. Make: Denson/ MS Seal/ M Seal or equivalent.

Material and labour for straight through joint heat shrinkable 11 KV earthed system suitable for XLPE cable of size 3 core 50-95 Sqmm incl taking down old unsv HT joint complete all as specified and directed. Make: Denson/ MS Seal/ M Seal or equivalent.

Material and labour for straight through joint heat shrinkable 11 KV earthed system suitable for XLPE cable of size 3 core 120-185 Sqmm incl taking down old unsv HT joint complete all as specified and directed.

M & L for shifting transformer/ RMU/ Stabilizer from one to another site/Power house/ store by providing crane/hydra as required at site complete all as specified and directed. (Note:- movement of item by crane/hydra for upto 500 meter considered as one job)

M & L for loose filling in substations, under poles, under transformers of hard core broken to gauge not exc 63 mm broken stone/boulders incl leveling and spreading llime stone powder under stones complete all as specified and directed.

Supplying and laying in replacement of synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseeding IS 5424) suitable for electrical shock safety of sizes 10m x 1m complete all as specified and directed.

M & L for highly HT insulating opaque red coloured ANTI TRACK COMPOUND SPRAY 320 of MOSIL LUBICANTS that forms flexible chemical resistank coating to class H winding for electrical apparatus, in 500 ml spray bottles to protect HT equipments, bus bar, CTs, PTs from current leakage due to moisture complete all as specified and directed.

M & L for Calibration of VCBs relay by injecting high voltage through CTs checking the over load system of VCB upto 90% rated load and artificial fault creation and setting of relay by 10 to 15% of rated load removing unseviceable overload and earth fault relay including connections with power pack, opening out the trolley, checking the operation of VCB mechanically and electrically through shunt trip coil includng energizing of automatically, checking of TNC switch including testing and commissioning complete all as specified and directed. Note :- Calibration to be carried out by authorised person and test certificate shall be furnished

M&L for Danmet Chemical spray (DC> 2-26 having container 415ml/300g for precision blended multipurpose product for prevents corrosion penetrates, lubricates, displaces and seals out moisture release rusted mechanism cleanse etc. Make : Danmet Chemical Pvt Ltd or equivalent.

S & F in replacement of unsv housing of pole assembly for ABB/Seimens suitable model breaker from HT panel of 11 KV substations complete all as specified and directed.

S & F in replacement of unsv strip heaters 100 watt , AC 240 volts from HT panel of 11 KV substations complete all as specified and directed.

S & F in replacement of unsv thermostat from HT panel of 11 KV substations complete all as specified and directed.

S & F in replacement of unsv spout contact of VCB panel for suitable model from HT panel ABB/Seimens of 11 KV substations complete all as specified and directed.

Supply and fixing in replacement of Pole assembly (Vacuum interrupter Bottle assembly) with case complete for breaker of ABB/Seimens suitable for existing model for fixing in substation complete all as specified and directed.

Supply and fixing in replacement of Vacuum interrupter pulling rod suitable for ABB/Seimens suitable breaker for existing model for fixing in sect 'C' substation complete all as specified and directed.

S & F in replacement of unsv spout of VCB panel for suitable model from HT panel ABB/Seimens of 11 KV substations complete all as specified and directed.

S&F in replacement of Current transformer of rating 500-250/5A size and model as suitable as existing CTs installed at 11 KV Sub Stations of Make ABB/Siemens/Schneider or equivalent.

S&F in replacement of Current transformer of rating 200-100/5A size and model as suitable as existing CTs installed at 11 KV Sub Stations of Make ABB/Siemens/Schneider or equivalent.

Supply and fixing in replacement of shunt closing release coil 24 V /110 V DC /AC suitable for 12 kV 1250 A 31.5 kA suitable model for ABB/Seimens breaker complete all as specified and directed.

S & F in replacement of unsv strip heaters 80 watt from HT panel of 11 KV substations complete all as specified and directed.

S & F in replacement of unsv indicator with complete wiring of red/green/yellow colour from HT panel of 11 KV substations complete all as specified and directed.

S&F in replacement of potential transformer of rating 11000/110V size and model as suitable as existing PTs installed at 11 KV Sub Stns of Make ABB/Seimens/Crompton or equivalent.

Supply and fixing in replacement of Geared motor (EL) 220-250 V AC/DC suitable for 12 kV 1250 A 31.5 kA suitable model for ABB/Seimens breaker complete all as specified and directed

S & F in replacement of unsv limit switch for spring charging motor for suitable model of ABB/Seimens HT panel of 11 KV substations complete all as specified and directed.

Supply and fixing in replacement of tripping coil 24/110 V DC Suitable for 12 kV 1250 A 31.5 kA suitable model for ABB/Seimens breaker complete all as specified and directed.

Supply and fixing in replacement of racking mechanism to restrict unecessary blocking of trolley arrangement suitable model for ABB/Seimens breaker complete all as specified and directed.

Supply and fixing in replacement of combined over current and earth fault relay REJ601/7SR1205 of Make ABB /Seimens incl fixing in HT panels at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply and fixing in replacement of Master tripping relay of auxillery voltage 24 V/110V AC/DC of Make ABB//Seimens incl fixing in HT panels at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply and fixing in replacement of auxiliary contact suitable for Make ABB//Seimens incl fixing in HT panels at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply and fixing in replacement of TNC switch for VCBs at different 11 KV substations complete all as specified and directed.

Supply and fixing in replacement PT fuse of capacity 11KV suitable to fit on exisitng PTs in 11 KV incomer VCBs complete all as specified and directed.

Supply and fixing in replacement of tulip contact/shawer contact 08/12 fingers of suitable model for ABB/Seimens circuit breaker complete all as specified and directed. Make: ABB or equivalent.

Supply and fixing in replacement of busbar insulator of Make ABB//Seimens incl fixing in HT panels at 11 KV sub stations with connections complete as per diagram from OEM all as complete all as specified and directed.

Supply and fixing in replacement of Digital type voltmeter to measure AC voltage 0 to 500 Volts with 1.0 accuracy class, stranded voltage burden 0.25 VA MAX/Phase working on AC auxillary supply voltage 230 volts, flush mounted type of size 96mm x 96mm x 75mm suitable for ABB/Seimens VCBs complete all as specified and directed.

Supply and fixing in replacement of Digital type ammeter with 1.0 accuracy class (+)1% of full scale 1 count 0 to 300 Amps, stranded voltage burden 0.25 VA MAX/Phase working on AC auxillary supply voltage 230 volts, Sencing CT 5 Amps flush mounted type of size 96mm x 96mm x 75mm suitable for ABB/Seimens VCBs complete all as specified and directed.

Supply and fixing in replacement power pack with battery backup input 230 volt AC and out put 110 volt DC, 1A suitable for existing make ALAN model No APP-230110-SNS in VCBs ABB/Seimens complete all as specified and directed.

Supply and fixing in replacement door lock suitable for existing make VCBs ABB/Seimens complete all as specified and directed.

Supply and fixing in replacement PVC unsheathed multi stranded copper cable (FR-LSH) 1.5 Sqmm nominal cross sectional area 1100 volts conforming to IS 694 including electrical connection suitable size of lugs,nuts and bolts in VCBs complete all as specified and directed.

Supply and fixing in replacement PVC unsheathed multi stranded copper cable (FR-LSH) 2.5 Sqmm nominal cross sectional area 1100 volts conforming to IS 694 including electrical connection suitable size of lugs,nuts and bolts in VCBs complete all as specified and directed.

Supply and fixing in replacement of combined over current and earth fault relay of Make Ashida model no ADR141C incl fixing in RMU make ABB at 11 KV sub stations with connections complete as per diagram from OEMcomplete all as specified and directed.

Supply and fixing in replacement of pressure guage of RMU complete of Make ABB incl fixing in HT panels at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply and fixing in replacement of indicator with electric wiring complete of Make ABB incl fixing in RMU at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply and fixing in replacement of cable boot of Make ABB incl fixing in RMU at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply and fixing in replacement of bushing with O ring of Make ABB incl fixing in RMU at 11 KV sub stations with connections complete as per diagram from OEM complete all as specified and directed.

Supply & Fixing in replacement of RMU Mechanism suitable for existing model fo RMU make ABB complete all as specified and directed.

Supply and fixing in replacement push button red/green Make ABB incl fixing in RMU at 11 KV sub stations with connections complete all as specified and directed.

Supply and fixing in replacement of tripping coil 24 V DC suitable for existing RMU make ABB complete all as specified and directed.

S&F in replacement of Current transformer of rating 400-200/1A size and model as suitable as existing RMU of Make ABB complete all as specified and directed.

S&F in replacement of Current transformer of rating 200-100/1A size and model as suitable as existing RMU of Make ABB complete all as specified and directed.

Disconnecting the HT & LT connections and taking down of existing Indoor/Outdoor/canopy type transformer of capacity upto 200 kVA mounted on 2/4 pole structure/plinth/substation and transport to factory from site/Power House/ AGE E/M yard for repair and back to site/Power House/ AGE E/M yard after necessary repair/replacement of defective parts including installation in the same location and testing, complete all as specified and directed. Note: (a) The rate quoted for the item includes the following :- (i) Arrangement of manpower, tools , plants , crane and recovery vehicle for transportation and shifting of transformer to work shop and back. (ii) Toping up of transformer oil, replacement of transformer oil as required basis under intimation to the department. (Transformer oil will be measured and paid seperately). (iii) Re-winding of defective winding of transformer, if required will be carried out under this item . (Winding material shall be measured and paid separately under respective items) . (b) Re-winding of transformer and replacement of defective part will be carried out only after inspection and recommendation of BOO. ( Rewinding of Transformer will be paid separately) (C) Any damage occurred to transformer during the process of disconnecting/taking down/transportation, shall be made good by the contractor to the entire satisfaction of the Eng-in-charge at his own expenses.

All as per serial item No 91.00 above but for transformer of capacity above 200 KVA and upto 1000 KVA complete all as specified and directed.

Supply and fixing in replacement HT, brass bush rod of suitable size for outdoor/indoor/canopy type of transformer of capacity upto 200 KVA complete all as specified and directed.

Supply and fixing in replacement HT, brass bush rod of suitable size for outdoor/indoor/canopy type of transformer of capacity exceeding 200 KVA and upto 1000 KVA, complete all as specified and directed.

Supply and fixing in replacement for non-metal part HV bushing complete with packing for outdoor/indoor/canopy type of transformer of capacity upto 200 KVA and for working pressure 11000 Volts complete all as specified and directed.

Supply and fixing in replacement for non-metal part HV bushing complete with packing for outdoor/indoor/canopy type of transformer of capacity exceeding 200 KVA but not exceeding 1000 KVA and for working pressure 11000 Volts complete all as specified and directed.

Supply and fixing in replacement top cover gasket of suitable size for outdoor/indoor/canopy type of transformer upto 1000 KVA complete all as specified and directed.

Dismantling of old Burnt Tap changer and Supply and fixing new tap changing switch as per existing size including making connection to transformer of various capacities/make complete all as specified and directed.

Supply and fixing in replacement 100 mm dia, temperature gauge including maximum temperature indicator complete all as specified and directed.

Supply and fixing in replacement LT bush rod made of brass of suitable size for outdoor/indoor/canopy type of transformer of capacity exceeding 200 KVA and upto 1000 KVA, complete all as specified and directed.

Supply and fixing in replacement for non-metal part LV bushing with packing for outdoor/indoor/canopy type of transformer of capacity upto 200 KVA complete all as specified and directed.

Supply and fixing in replacement for non-metal part LV bushing with packing for outdoor/indoor/canopy type of transformer of capacity exceeding 200 KVA and upto 1000 KVA complete all as specified and directed.

Supply and fixing in replacement LT bush rod made of brass of suitable size for outdoor/indoor/canopy type of transformer of capacity upto 200 KVA complete all as specified and as directed by Engr-in-Charge.

Material and Labour for preparing surfaces of transformer of capacity up to 200 KVA by rubbing old paint and applying two coats of spray painting with grey deco paint from outside, complete all as specified and directed. Note. Painting of transformer will be carried out for plinth mounted and pole mounted transformer. Necessary tools and plants shall be arranged by the contractor.

Description all as per Srl item No 104 hereinbefore but capacity of transformer exceeding 200 KVA and upto 1000 KVA , complete all as specified and directed.

Material and Labour for heating, filtration and dehydration of transformer oil as per IS : 10028 (Part-III) 1981, Para 5.2 (obtained from transformer/servo voltage stabilizer switch under repair at workshop) with dehydration/ filtration plant to achieve dielectric strength of 40KV at 4 mm gap, complete all as specified and directed. Note:- Any damage occurred to transformer during the process of dehydration, shall be made good by the contractor to the entire satisfaction of the Engr-in-charge at his own expenses.

Supply and pouring new transformer oil as per IS : 335 (1993) for transformers installed at various site for topping up after dehydration to achieve the di electric strength 60 KV at 4 mm gap and topping up in the transformer under repair in workshop complete all as specified and directed. Note : Transformer oil shall be brought at site in sealed container from the original manufacturer and shall be opened in front of Engr-in-charge, Container shall be deposited by the contractor to the deptt, which will be returned after completion of conract.

Supply and fixing in replacement of locking arrangement door with handle, hinges and door opennig system including welding, cutting, bending and riveting for compact sub station step down distribution transformers of capacity from 400 KVA to 1000 KVA complete all as specified and directed.

Supply and fixing in replacement of gate valve with drain plug of suitable size for existig transformer of Cap upto 500 KVA complete all as specified and directed.

Supply and fixing in replacement of conservator tank for step down distribution transformers of capacity upto 200 KVA complete all as specified and directed.

Material and labour for rewinding of HV side of copper wound transformer with super enameled winding wire as per relevant IS, copper winding wire as per IS : 1180 and and using original gauge/data including insulating materials such as cotton tape, packing and sleeves etc varnishing by vacuum impregnation and baking of coil core assembly for copper wound transformer including taking down of old unserviceable copper winding wire complete all as specified and as directed .

Material and labour for rewinding of LV side of copper wound transformer with DPC winding strip as per relevant IS, copper winding strip as per IS : 1180 and using as per original gauge/data including insulating materials such as cotton tape, packing and sleeves etc varnishing by vacuum impregnation and baking of coil core assembly for copper wound transformer including taking down of old unserviceable copper winding strip complete all as specified and as directed.

Material and labour for rewinding of HV side of aluminium wound transformer with super enameled winding wire as per relevant IS, aluminium winding wire as per IS : 1180 and and using original gauge/data including insulating materials such as cotton tape, packing and sleeves etc varnishing by vacuum impregnation and baking of coil core assembly for aluminium wound transformer including taking down of old unserviceable aluminium winding wire complete all as specified and as directed .

Material and labour for rewinding of LV side of aluminium wound transformer with DPC winding strip as per relevant IS, aluminium winding strip as per IS : 1180 and using as per original gauge/data including insulating materials such as cotton tape, packing and sleeves etc varnishing by vacuum impregnation and baking of coil core assembly for aluminium wound transformer including taking down of old unserviceable aluminium winding strip complete all as specified and as directed.

Supply and fixing in replacement of breather transparent type suitable for step down distribution transformers of capacity upto 200 KVA complete all as specified and directed.

Supply and fixing of Dew Guard (Moisture absorber) of size 100x150x2 mm shall be made of synthetic rubber and a super absorbent polymer and covered by a non woven fabric, absorbency of 0.8g (H2O) / 1g (product) @25 deg C and 95% RH or higher, works between a large temperature range of -30 deg C to +90 deg C, halogen and silicon free, Make :- Hensel model No HDG 100 suitable model of ABB/Seimens HT panel of 11 KV substations complete all as specified and directed.

Supply and fixing of in panel tube based micro environment suppression system (CQRS) having heat-sensetive preumatic polymer tubing connected to one to a charged fire extinguisher with valve 20 mtr polymer tubing, operating temp 150-180 degree celcius complete all as specified and directed. Make Ceasefire or equivalent.

M&L XLPE cable insulated screened, PVC bedded galvanized steel strip of wire armored , electric power cable (Heavy duty ) with aluminum conductor 11000 volts grade cross sectional area 400 sqmm 3 core suitable for 11 KV earthed system incl taking down old unsv HT cable complete all as specified and directed. Make: Havells/ KEI/ SCI or equivalent.

Trimming of tree branches upto 75 mm dia to clear the route of HT/LT over head conductors in switch yards and open joints upto 3m from the conductor including removing the cut branches from site and depositing at places n exc 50m complete all as specified and directed. (Note :- 1. One/more tree branches covering 3m shall be considered as one unit. 2. The frequency of trimming of tree branches shall not be less than 2 months)

Supply and fixing in replacement of breather transparent type suitable for step down distribution transformers of capacity from 200 KVA to 1000 KVA complete all as specified and directed.

M&L for repairing the GOD mechanism pipe and handle lever, etc. by way of welding, greasing and including supply and fixing of new male and female of 200 Amp rating with copper strip contact complete all as specified and directed.

M&L for cable end termination jointing kit HT 11 KV grade earthed system (heat shrinkable) outdoor type complete with jointing material suitable for HT XLPE cable 400 sqmm 3 core 11 KV grade earthed system incl taking down old unsv HT joint complete all as specified and directed. Make: Denson/ MS Seal/ M Seal or equivalent.

Material and labour for straight through joint heat shrinkable 11 KV earthed system suitable for XLPE cable of size 3 core 400 Sqmm incl taking down old unsv HT joint complete all as specified and directed.

Note:- Amount of credit of Rs. 1,85,388.00 for retrieved materials is mentioned in Schedule of Credit Page No. 17 & 18 of tender documents in pdf form which will be deducted offline while acceptance of tender.

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