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| Hydro Power |
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The following Hydro Power projects undertaken by Soma give a glimpse of it's activities for “Energizing the Nation with Engineering”. |
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| 2000 MW Subansiri Lower Hydroelectric Project |
| Lot SSL-1 : Civil works for Diversion Tunnels, Coffer Dams, Concrete Gravity Dam, Plunge Pool and Cutoff Wall in Assam & Arunachal Pradesh, India |
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| Dam |
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| Height of Dam |
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133m |
| Length of Dam |
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271m |
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| Diversion Tunnels |
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| Diameter |
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9.5m |
| Nos |
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5, Length - 2815m |
| Discharge |
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4550 Cumecs |
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| Coffer Dams |
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| U/s Height |
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31m |
| D/s Height |
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21m |
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| Spillway |
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| Design flood |
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37,500 Cumecs |
| Spillway |
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9 nos. of 11.5m wide |
| Cut off wall below Dam foundation |
| Depth |
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50m |
| Length |
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410m |
| Design flood |
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37,500 Cumecs |
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| Contract Value |
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Rs. 10983 Million (US$ 244 Million) |
| Employer |
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National Hydro Electric Power Corporation Ltd. |
| Major Quantities |
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| Excavation in Soils |
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1,136,500 M3 |
| Concrete |
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2,421,100 M3 |
| Underground Excavation |
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350,000 M3 |
| Excavation in Hardrock |
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2,066,000 M3 |
| HYSD |
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52,874 MT |
| Shotcrete |
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31,000 M3 |
| Drilling |
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205,400 M |
| Grouting |
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12,553 MT |
| Rock Anchors |
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273,733 M |
| Tendons |
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10,000 M |
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| Joint Venture Partners |
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"Boguchangesstroy", Russia - "Soyuzgidrospetsstroy", Russia |
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| Koyna Dam Strengthening |
| Strengthening of Overflow portion of Koyna Dam |
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Contract Value |
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Rs. 1068 Million (US$ 23 Million) |
Employer |
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Water Resources Department, Government of Maharashtra |
| Major Quantities |
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| Excavation in Hard rock |
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88,574 M3 |
| Embankment |
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39,103 M3 |
| Concrete |
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149,607 M3 |
| HYSD |
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1,181 MT |
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| Sipat STPP Stage-I |
| Raw Water Reservoir and its Lining Package for Sipat STPP, Stage-I (3x660 MW), Chattisgarh |
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| Contract Value |
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Rs. 476 Million (US$ 11 Million) |
| Employer |
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NTPC Limited |
| Major Quantities |
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| Excavation in Soils |
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650,000 M3 |
| Excavation in Hard rock |
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1,100,000 M3 |
| Embankment |
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3,730,000 M3 |
| Prestreesed Concrete |
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20,000 M3 |
| HYSD |
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210 MT |
| HDPE Lining |
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400,000 M2 |
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