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| 1 | Taking out /disconnecting of existing transformer of various capacites and deposited to E/M Yardfrom site by means of using suitable T&P all as directed by Engr-in-Charge. |
| 2 | Supply, installation, testing and commissioning of step down transformer out door type suitable for plinth mounting complete with standard accessories/fittings suitable for HT 11KV 3 Phase and LT 433 volts 3 phase 4 wire , Dyn-11, copper wound, with off load tap changer having voltage variation of ±7.5% in step of 2.5 % continuous rating of capacity 200 KVA with temperature rise shall not exceed 45° C for transformer winding and 40° C for top oil complete conforming to IS 1180 (Part 1) : 2014 Energy Efficiency Level - 3 for transformer including necessary suitable suze PCC plateform and comrrising of following fittings :-(a) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing.(b) Lifting lugs/hooks . (c) Rating and terminal marking plate.(d) Silica gel breather .(e) Drain - cum - sampling valve (3/4)\" nominal thread with plug (f)Thermometer pocket with dial type thermometer.(g) Oil filling inlet pipe with plug.(h) Conservator with oil level gauge.(j) First fill of oil up to appropriate level as recommended by manufacturer with fresh new oil. (k) Type of connection arrangement : MS cable termination box on LT side and open bushing on HT side. NOTE :- Plinthstone masonry platform as per manufacturer recommendations complete with standard fittings conforming to IS-1180 energy efficient and with ECBC Closset or latest IS complete all as specified and as directed. (Note:-Stone masonary platform will be measured and paid separately) |
| 3 | Supply, installation, testing and commissioning of step down transformer out door type suitable for plinth mounting complete with standard accessories/fittings suitable for HT 11KV 3 Phase and LT 433 volts 3 phase 4 wire , Dyn-11, copper wound, with off load tap changer having voltage variation of ±7.5% in step of 2.5 % continuous rating of capacity 250 KVA with temperature rise shall not exceed 45° C for transformer winding and 40° C for top oil complete conforming to IS 1180 (Part 1) : 2014 Energy Efficiency Level - 3 for transformer including necessary suitable suze PCC plateform and comrrising of following fittings :-(a) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing.(b) Lifting lugs/hooks . (c) Rating and terminal marking plate.(d) Silica gel breather .(e) Drain - cum - sampling valve (3/4)\" nominal thread with plug (f)Thermometer pocket with dial type thermometer.(g) Oil filling inlet pipe with plug.(h) Conservator with oil level gauge.(j) First fill of oil up to appropriate level as recommended by manufacturer with fresh new oil. (k) Type of connection arrangement : MS cable termination box on LT side and open bushing on HT side. NOTE :- Plinthstone masonry platform as per manufacturer recommendations complete with standard fittings conforming to IS-1180 energy efficient and with ECBC Closset or latest IS complete all as specified and as directed. (Note:-Stone masonary platform will be measured and paid separately) |
| 4 | Supply, installation, testing and commissioning of step down transformer out door type suitable for plinth mounting complete with standard accessories/fittings suitable for HT 11KV 3 Phase and LT 433 volts 3 phase 4 wire , Dyn-11, copper wound, with off load tap changer having voltage variation of ±7.5% in step of 2.5 % continuous rating of capacity 315 KVA with temperature rise shall not exceed 45° C for transformer winding and 40° C for top oil complete conforming to IS 1180 (Part 1) : 2014 Energy Efficiency Level - 3 for transformer including necessary suitable suze PCC plateform and comrrising of following fittings :-(a) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing.(b) Lifting lugs/hooks . (c) Rating and terminal marking plate.(d) Silica gel breather .(e) Drain - cum - sampling valve (3/4)\" nominal thread with plug (f)Thermometer pocket with dial type thermometer.(g) Oil filling inlet pipe with plug.(h) Conservator with oil level gauge.(j) First fill of oil up to appropriate level as recommended by manufacturer with fresh new oil. (k) Type of connection arrangement : MS cable termination box on LT side and open bushing on HT side. NOTE :- Plinthstone masonry platform as per manufacturer recommendations complete with standard fittings conforming to IS-1180 energy efficient and with ECBC Closset or latest IS complete all as specified and as directed. (Note:-Stone masonary platform will be measured and paid separately) |
| 5 | Supply, installation, testing and commissioning of step down transformer out door type suitable for plinth mounting complete with standard accessories/fittings suitable for HT 11KV 3 Phase and LT 433 volts 3 phase 4 wire , Dyn-11, copper wound, with off load tap changer having voltage variation of ±7.5% in step of 2.5 % continuous rating of capacity 400 KVA with temperature rise shall not exceed 45° C for transformer winding and 40° C for top oil complete conforming to IS 1180 (Part 1) : 2014 Energy Efficiency Level - 3 for transformer including necessary suitable suze PCC plateform and comrrising of following fittings :-(a) Two earthing terminals for body earthing and two additional for neutral brought out on a bushing.(b) Lifting lugs/hooks . (c) Rating and terminal marking plate.(d) Silica gel breather .(e) Drain - cum - sampling valve (3/4)\" nominal thread with plug (f)Thermometer pocket with dial type thermometer.(g) Oil filling inlet pipe with plug.(h) Conservator with oil level gauge.(j) First fill of oil up to appropriate level as recommended by manufacturer with fresh new oil. (k) Type of connection arrangement : MS cable termination box on LT side and open bushing on HT side. NOTE :- Plinthstone masonry platform as per manufacturer recommendations complete with standard fittings conforming to IS-1180 energy efficient and with ECBC Closset or latest IS complete all as specified and as directed. (Note:-Stone masonary platform will be measured and paid separately) |
| 6 | Supply, laying, testing & commissioning in replacement of XLPE insulated, insulation screening with extruded semi conducting compound in combination with copper tape, cores laid up, PVC inner sheath, galvanized steel strip armoured and overall PVC sheathed electric power cables(heavy duty) with stranded aluminum conductor of cross sectional area 95 sqmm, 3 core, 11000 volts grade(Earthed) cable confirming to IS 7098 complete all as specified and directed. |
| 7 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting in hard / dense soil for laying of cables/ for erection of poles/ for stay assembly etc complete all as specified and directed by Engineer-in-Charge. |
| 8 | Supply and spread M-sand in trenches for cushioning of cable / in the yard of outdoor substations complete all as specified and directed by Engineer-in-Charge. (Note: Punned down thickness only shall be measured for the purpose of payment) |
| 9 | Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed by Engineer-in-Charge. |
| 10 | Removing surplus excavated material to a distance not exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed by Engineer-in-Charge. |
| 11 | Supplying and laying in replacement of un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm for cable protection in trenches complete all as specified and directed by Engineer-in-Charge. |
| 12 | M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sqmm complete all as specified and directed by Engineer-in-Charge. |
| 13 | M&L for PCC 1:3:6 type C2 using 40mm graded stone aggregate as in foundations of pole/ stay assembly complete all as specified and directed by Engineer-in-Charge. |
| 14 | M&L for PCC 1:2:4 type B1 using 20mm graded stone aggregate as in coping of pole including necessary form work complete all as specified and directed by Engineer-in-Charge. |
| 15 | M&L for Brickwork with sub class ‘B’ bricks on plan built in CM 1:6 incl demolition complete all as specified and directed. |
| 16 | M&L forrendering 10 mm thick cement plaster 1:6 on fair faces of brick work or concrete surfaces finished even and smooth (with out using extra cement) complete all as directed. |
