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| 1 | Handling, transportation of unserviceable transformer 11 /0.433 KV of capacity 63 KVA to 250 KVA. of any make, model & type including disconnection all electric cable, earth lead, clamps and channels etc & taking down from pole (4 pole structure/2 pole pole mounted) or plinth mounted by any means of mechanically operated pulley/ mechanical crane, transportation to MES store Yard / workshop and factory for repair/maint with & including transporting back of transformer to existing places to MES store yard or other existing substation after repair & hoisting / lifting and placing in position and securing properly on pole mounted/plinth mounted including connecting all cable, earth lead, clamps and channels etc as per site requirement and testing after installation complete all as directed and as specified.Notes :-(i) Please note that If any damage to transformer/OH line/cables occur during handling, transportation or during hoisting/lifting, the same will be rectified by the contractor without any extra cost to the department.(ii) Transportation to workshop and back to site /and required T&P like crane etc are to be arranged by contractor and rate for which is deemed to be included in the item.(iii) Standby transformer of same capacity will also be provided by the contractor and rate for which is deemed to be included in the item. |
| 2 | Description same as per srl item No 01 above but of capacity 315 KVA to 630 KVA complete all as directed and as specified. |
| 3 | Opening the top cover of transformer step down 11 KV to 0.440 KV, of capacity 63 KVA to 100 KVA of any make, model & type out door/ indoor type, draining out oil in clean barrels, dismantling of cover & taking out the defectiv/burnt out HT/LT coils cleaning the tank and getting out the dust particles & replacing old defective coils with new coils, refitting the top cover and other accessories such as providing sundry items & reassembling after repairs to the entire satisfaction of the Engr-in-Charge and heat treatment connecting of all the electrical connections and other accessories and making the transformer absolutely leak proof, pouring oil in the transformer making all electrical connections testing after repair complete all as directed and as specified.Notes:-(i) If retrieved transformer oil's di-electric strength is very less, then it will be replaced with new one .as directed by Engineer Incharge and same will be measured & paid under relevent item.(ii) If any items like winding of HT coil, reconditioning of LT coil, spares like breather, silica jel to be replaced for smooth functioning of transformer shall be measured in relevent items.(iii) Any minor item like nut, bolt are included in this item rate. |
| 4 | Description same as per srl item No 03 above but transformer of capacity exceeding 125 KVA and n.exc 315 KVA complete all as directed and as specified. |
| 5 | Description same as per srl item No 03 above but transformer of capacity exceeding 400 KVA and n.exc 630 KVA complete all as directed and as specified. |
| 6 | Winding of HT coils of transformers with super enamelled copper winding wire of appropriate gauge along with allied insulating material of capacity 63KVA to 630KVA complete all as directed and as specified. |
| 7 | Winding of LT coils of transformer with cotton braided copper wire /strip of appropriate size along with allied insulating materials of capacity 63KVA to 630KVA of transformers complete all as directed and as specified. |
| 8 | Taking out existing worn out bush rod with accessories & replacement of HT bushes (11 KVA) with rod assembly complete of metallic alloy (brass gun metal) of suitable dia & length including nuts, washers, insulator, packing oil sealing bushes for transformer of capacity 63 KVA to 630 KVA, complete all as directed and as specified. |
| 9 | Taking out existing worn out bush rod with accessories & replacement of LT bush (440 volt) with rod assembly complete of metallic alloy (brass gun metal) of suitable dia & length including nuts, washers, packing oil sealing bushes suitable for transformer of capacity 63 KVA to 100 KVA, complete all as directed and as specified. |
| 10 | Description same as per srl item No 10 above but capacity of transformer 125 KVA to 250 KVA. complete all as directed and as specified. |
| 11 | Description same as per srl item No 10 here-in-before but capacity of transformer 315 KVA to 630 KVA. complete all as directed and as specified. |
| 12 | Supply and fixing in replacement of Cork sheet gasket (for top cover) of transformers of various capacities including taking out existing perished gasket, complete all as directed and as specified. |
| 13 | Filtration, heating & dehydration of 11/33 KV transformer during onload old transformer oil for increasing dielectric strength not less than 45 KV, if the results below 45 KV, the oil shall be replaced with new oil, complete all as directed and as specified..Note: New oil required for toping oil levels or for replacement shall be measured and paid in relevant items of Sch A. |
| 14 | Supply, heating and filling new transformer oil in transformers for toping up levels or for replacement of unfit oil (New oil shall be confirming to IS-335) dielectric strength not less than 65 KV, complete all as directed and as specified. |
| 15 | Supply and fixing in replacement of Silica gel assembly complete with silica gel in transformer breather of various capacities i.e. 63 KVA to 630 KVA including taking out existing unserviceable, complete all as directed and as specified. |
| 16 | Taking out existing unserviceable temp gauge & Supply and fixing commissioning and testing of dial type temperature gauge 110mm dia temperature range 0-100 degree C with thermostat built in switch, complete all as directed and as specified. |
| 17 | Taking out unserviceable tap changing gear of transformer including supply and fixing, making connection testing and commissioning new tap changing gear of transformer of any description and make complete all as directed and as specified. |
| 18 | Painting to steel and iron surfaces of transformer indoor/outdoor type of any description by preparation of old painted surfaces with two coat of synthetic enamelled grey paint with spray gun painting process capacity of transformer 63 KVA to 630 KVA and writing SM/MES No. with white paint complete all as directed and as specified. |
| 19 | Painting to transformer guard (XPM) fencing, channels, post etc mounted on plinth with one coat of silver aluminium paint, complete all as directed and as specified. |
| 20 | Materialand labour in replacement of earthing complete with GI Earth plate electrode 600mm x 600mm x 6 mm thick buired directly in ground (earth pit not less than 2.25 Mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to GI earth strip of size 32 x 6 mm by Means of bolts,nuts,check nuts and washer including necessary excavation ,earth work PCC Chamber etc all as shown in electrical plate No 3 of SSR Part I 2009 and connected to earthing test point all as specified or indicated including CI Cover ,funnel ,watering pipe 20 mm bore medium grade ,wire mesh and lugs etc with GI Protection pipe of 40 mm bore light grade including testing on completion all as specified and directed .(Length of GI earth strip & Protection pipe is up to 7.5 RM including) Note : - If soil required in earthing shall be provided by contractor without any extra cost. No extra amount shall be given to contractor for extra earthing soil. complete all as directed and as specified. |
| 21 | Materialand labour in replacement of earthing complete with GI Earth plate electrode 600mm x 600mm x 6 mm thick buired directly in ground (earth pit not less than 2.25 Mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to GI earth strip of size 25 x 4 mm by Means of bolts,nuts,check nuts and washer including necessary excavation ,earth work PCC Chamber etc all as shown in electrical plate No 3 of SSR Part I 2009 and connected to earthing test point all as specified or indicated including CI Cover ,funnel ,watering pipe 20 mm bore medium grade ,wire mesh and lugs etc with GI Protection pipe of 40 mm bore light grade including testing on completion all as specified and directed .(Length of GI earth strip & Protection pipe is up to 7.5 RM including) Note : - If soil required in earthing shall be provided by contractor without any extra cost. No extra amount shall be given to contractor for extra earthing soil. complete all as directed and as specified. |
| 22 | Supply and fixing in replacement of GI Strip of size 25 x 4 mm along the wall, floor, ceiling etc complete all as directed and as specified. |
| 23 | M & L for Plain cement concrete 1:4:8 type D-2 using 40mm graded crushed stone aggregate as in foundation of poles etc complete all as directed and as specified. |
| 24 | M & L for Plain cement concrete 1:2:4 type B-1 using 20mm graded crushed stone aggregate as in coping of poles/ Transformers etc including necessary form work complete all as directed and as specified.. |
| 25 | S&F in replacement of outdoor type cable end termination jointing kit heat shrinkable complete with all accessories and jointing materials suitable mounting on channel/angle iron for 3 core 50 to 95 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture) complete all as directed and as specified. |
| 26 | S&F in replacement of outdoor type cable end termination jointing kit heat shrinkable complete with all accessories and jointing materials suitable mounting on channel/angle iron for 3 core 120 to 185 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture complete all as directed and as specified. |
| 27 | S&F in replacement of outdoor type cable end termination jointing kit heat shrinkable complete with all accessories and jointing materials suitable mounting on channel/angle iron for 3 core 240 to 300 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture) complete all as directed and as specified. |
| 28 | Supply onlu Auxiliary relay for buchholz relay, oil temp, winding temp trip 24/220V DC as per exisitng complete all as directed and as specified. |
| 29 | Supply, installation,testing and commisioning of 33 KV, outdoor PT, Oil cooled 33KV/110 Volt complete all as directed and as specified. |
| 30 | Supply, installation,testing and commisioning of 33 KV outdoor CT oil cooled 200/100/5+5 complete all as directed and as specified. |
| 31 | Material and labour for Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of 33 KV outdoor brakers with spraying machine including writing description of equipment in block English letter 50 mm high with white /black synthetic enamel paint complete all as directed and as specified. |
| 32 | Material and labour for Preparation of old painted surfaces of 33 KV Switch yard including all outer steel structures/ frame/gate of bus bay at Grid, steel housing by brushing/cleaning stains, greasy spots with thinner, applying two coats of spray painting ( aluminium paint) with spraying machine in the yard including writing description of equipments in block English letters 100 mm high with white/black synthetic enamel paint complete all as directed and as specified. |
| 33 | Material and labour for supply, Preparation of old painted surfaces of steel by brushing/cleaning stain, greasy spots with thinner, applying two coats of spray painting (synthetic enamel paint) on all sides of 33 KV 6.3 MVA/3.15 transformer and its accessories with spraying machine in the yard including writing description of equipment in block English letter 50 mm high with white/Black synthetic enamel paint and re-connection after painting complete all as directed and as specified. |
| 34 | Supplying and Fixing in repairs, Fixed Contacts, made of HDE copper, silver plated, of Air Brake, off load isolator switch, rotating type, 33 KV, 1250/800 Amps capacity with all fixing nuts, bolts etc. complete all as specified and directed. |
| 35 | M&L for lightining arrester expulsion type ( set of three as per existing make/model/capacity to be fixed on existing structure) complete with all fitting, transmission class, discharge capacity 65 kilo amps suitable for 33000 volts incl taking down old one etc complete as specified and directed |
| 36 | Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/loose soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required levecomplete all as directed and as specified. |
| 37 | Returning filling in, Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thickcomplete all as directed and as specified. |
| 38 | Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting poincomplete all as directed and as specified. |
| 39 | Supplying, laying, jointing testing and connecting in replacement , XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV (E) grade, of size 95 Sq mm, 3 core, laid in trenches complete all as directed and as specified. |
| 40 | Supply and fix in replacement Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm incl taking down of existing complete. |
| 41 | Supply and fix in replacement Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm incl taking down of existing complete. complete all as directed and as specified. |
| 42 | Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified.Note : Measurement shall be taken after punning down. complete all as directed and as specified. |
| 43 | Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm. complete all as directed and as specified. |
| 44 | Supply & spreading 20mm graded coarse aggregate in 33/11 KV switch yards, two pole/four pole structures, 11 KV Sub Stns complete all as directed and as specified. |
| 45 | Supply and fixing in replacement of HT heat shrinkable sleeves 50mm size 2mm thick made of silicon colour yellow complete all as directed and as specified. |
| 46 | Supply and fixing in replacement of HT heat shrinkable sleeves 50mm size 2mm thick made of silicon colour blue complete all as directed and as specified. |
| 47 | Supply and fixing in replacement of HT heat shrinkable sleeves 50mm size 2mm thick made of silicon colour Red complete all as directed and as specified. |
| 48 | Testing of 33/11 KV power transformer (3.15 MVA to 6.30 MVA) BDV , Insulation, paint thickness test and after testing submitted the Testing report andcomplete all as directed and as specified. |
| 49 | Surface excavation not exceding 30 cm deep in soil soft/loose and averaging 15 cm deep and getting out green vegetation, roots, bushes, etc surrounding of 2 / 4 / 6 pole structure / substations / Panelscomplete all as directed and as specified. Please Enable Macros to View BoQ information |