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| 1 | GENERAL NOTE:- The contractor shall visit the site before quoting the tender and get acquaint himself regarding the make/ type of transformer etc, inorder to get a clear knowledge of site and quote accordingly. Nothing extra shall be admissible on this account please. |
| 2 | Material and Labour for repair of Transformers 11 KV/433 Volts on site of any make installed at various location of Sub Stations, including disconnecting the HT/LT Cables, earth strips etc. from the transformer, draining the complete oil for removing sludge from the tank refilling and removing the top cover, conservator, explosion vent,etc, for detecting the faults and repairing by welding/bracing. Replacing all the gaskets & neoprene washers for leakage arresting. Reassembling the transformer and testing etc complete upto 400 KVA capacity complete all as specified and directed by the Engineer-in-charge.Note :- Supply only new transformer oil and oil filtration shall be measured and paid under the schedule of relevant items. |
| 3 | Material and Labour for repair of Transformers 11 KV/433 Volts on site of any make installed at various location of Sub Stations, including disconnecting the HT/LT Cables, earth strips etc. from the transformer, draining the complete oil for removing sludge from the tank refilling and removing the top cover, conservator, explosion vent, etc, for detecting the faults and repairing by welding. Replacing all the gaskets & neoprene washers for leakage arresting. Reassembling the transformer and testing etc complete from 500 to 800 KVA capacity complete all as specified and directed by the Engineer-in-charge.Note :- Supply only new transformer oil and oil filtration shall be measured and paid under the schedule of relevant items. |
| 4 | Supply and fix in repairs 11000V Bushing as per site requirements with superior quality brass rods complete with and including necessary Rubber `O' ring/oil seals and gaskets for distribution transformers of capacity up to 800 KVA complete all as specified and directed by the Engineer-in-charge. |
| 5 | Supply and fix in repairs 415 V Bushing porcelain with superior quality brass rods complete with and including necessary Rubber `O' ring/oil seals and gaskets for distribution transformers of capacity up to 800 KVA complete all as specified and directed by the Engineer-in-charge. |
| 6 | Material and Labour for repair of Transformers 11 KV 433 Volts on workshop transportation loading /unloading any make installed at various location of Sub Stations, including disconnecting the HT/LT Cables, earth strips etc. from the transformer, draining the complete oil for removing sludge from the tank refilling and removing the top cover, conservator, explosion vent, etc, for detecting the faults and repairing by hevy works. Replacing all the gaskets & neoprene washers for leakage arresting. Reassembling the transformer heating at chamber, transportaion back to site and commissioning etc complete upto 800 KVA capacity complete all as specified and directed by the Engineer-in-charge.Note :- Supply only new transformer oil and oil filtration shall be measured and paid under the schedule of relevant items. |
| 7 | Dehydration and online filtration of transformer oil at site by centrifugal filtration method using mobile filtration plant on transformers so as to achieve appropriate di-electric strength (not less than 55KV) and testing of the same before and after filtration to entire satisfaction of Engr-in-Charge in various locations for transformers of various capacities and submitting of test results in triplicate all as specified and as per availability of shut down before and after monsoons or whenever as directed complete all as specified and directed by the Engineer-in-charge. |
| 8 | Supply only new insulating transformer oil of superior quality low viscosity having di-electric strength not less than 55 KV bought at site in sealed containers and confirming to IS 335 complete all as specified and directed by the Engineer-in-charge. |
| 9 | Material and Labour for preparation of old painted iron surfaces of the Transformer of capacity 100 KVA to 400 KVA, by cleaning completely after that applying two coats of synthetic enameled paint on the transformer as per MES colour complete all as specified and directed by the Engineer-in-charge. Note:- Painting shall be carried out with Spray Gun using compressor. |
| 10 | Material and Labour for preparation of old painted iron surfaces of the Transformer of capacity 500 KVA to 800 KVA, by cleaning completely after that applying two coats of synthetic enameled paint on the transformer as per MES colour complete all as specified and directed by the Engineer-in-charge. Note:- Painting shall be carried out with Spray Gun using compressor. |
| 11 | Supply and replace unserviceable transformer temperature gauge having 100 mm dia dial, 0 to 1200C, brass sensor, 6\\" length with 1/2\\" BSP thread adjustable brass connection and maximum reading pointer and re-setting device complete all as specified and directed by the Engineer-in-charge. |
| 12 | Supply and fix in repair Gunmetal Gate valves 50 mm dia as per IS 778 ISI marked complete all as specified and directed by the Engineer-in-charge. |
| 13 | Supply and fix in repair Gunmetal Gate valves 25 mm dia as per IS 778 ISI marked complete all as specified and directed by the Engineer-in-charge. |
| 14 | Material and Labour for replacement of defective silica gel breather with silica gel transparent type complete set for 500-800 KVA capacity transformer complete all as specified and directed by the Engineer-in-charge. |
| 15 | Material and Labour for replacement of defective silica gel breather with silica gel transparent type complete set for 100-400 KVA capacity transformer complete all as specified and directed by the Engineer-in-charge. |
| 16 | Supply and fill the silica gel for breather of various transformers including taking out old gel complete all as specified and directed by the Engineer-in-charge. |
| 17 | M & L for copper winding super enameled with insulation, varnish, heating etc after taking out from transformer core with same guage of existing for HT side complete all as specified and directed by the Engineer-in-charge. |
| 18 | M & L for copper winding super enameled with insulation,varnish, heating etc after taking out from transformer core with same guage of existing for LT side complete all as specified and directed by the Engineer-in-charge. |
| 19 | M & L for attending transformer 11 KV /433 V fault at any capacity by disconnections electrical connections and meggering for health check up, dismantling cable connections recommendation checking after heavy works complete all as specified and directed by the Engineer-in-charge. |
| 20 | Supply and laying cable XLPE insulated screened PVC bedded, galvanised steel strip of wire armoured, electric power cables (Heavy duty) 11000 Volts grade with stranded aluminimum conductor of size 185 sqmm, 3.0 core including taking down old unserviceable cable, etc complete from trenches/poles/surface complete all as specified and directed by Engr-in-Charge.Note: Excavation, returning filling and removal of soil shall be measured and paid separately. |
| 21 | Supply and laying cable XLPE insulated screened PVC bedded, galvanised steel strip of wire armoured, electric power cables (Heavy duty) 11000 Volts grade with stranded aluminimum conductor of size 240 sqmm, 3.0 core including taking down old unserviceable cable, etc complete from trenches/poles/surface complete all as specified and directed by Engr-in-Charge.Note: Excavation, returning filling and removal of soil shall be measured and paid separately. |
| 22 | Material and labour for replacement of cable jointing kit for 11 KV (earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and all accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed by Engr-in-Charge. |
| 23 | Material and labour for replacement of cable jointing kit for 11 KV (earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and all accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 400 sqmm complete all as specified and directed by Engr-in-Charge. |
| 24 | Material and labour for replacement of XLPE cable jointing kit end termination heat shrinkable indoor type suitable for UG cable 120 sqmm to 185 sqmm 3 core 11000 volt grade complete all as specified and directed by Engr-in-Charge. |
| 25 | Material and labour for replacement of XLPE cable jointing kit end termination heat shrinkable indoor type suitable for UG cable 240 sqmm to 300 sqmm 3 core 11000 volt grade complete all as specified and directed by Engr-in-Charge. |
| 26 | M&L for sand cushioning riddle earth in trenches/ducts for protection of UG Cables (below, above and around the UG cable laid) of 23 CM spread thickness (8 CM in depth before laying the cable and 15 CM in depth after laying the cable) and above sand shall be obtained through digging at site 500 mtrs distance and transporting to site for punned use to sand cushioning upto 18 CM thickness complete all as specified and as directed.Note: For the purpose of payment punned thickness of sand cusioning only will be measured. |
| 27 | Supply and lay sub class \\"B\\" burnt bricks of size 23x11.5x7.5 cm as in cable protection, laid length of brick perpendicular to length of cable complete all as specified and directed. |
| 28 | Excavation in trenches n exc 1.5m wide and n exc 1.5m deep for laying /removing of cable/ erection of poles in soft loose soil/floor and making good the disturbed surfaces complete all as specified and directed by Engr- in- charge. |
| 29 | Returning filling in, including spreading, levelling, watering and well ramming in layers n exc 25mm thick in soil complete all as specified |
| 30 | Removing excavated material (Soil) to a distance not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above starting point complete all as specified and directed. |
| 31 | Supply and fixing/laying GI tubing 100 mm dia light grade as cable protection in road cutting, etc complete all as specified and directed by Engr- in- charge. Please Enable Macros to View BoQ information |
| 32 | Supply and fixing/laying GI tubing 100 mm dia light grade as cable protection in road cutting, etc complete all as specified and directed by Engr- in- charge. Please Enable Macros to View BoQ information |
