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Sedimentation at Intakes and Water Conveyance Tunnel for Hydropower Scheme, Lower Sg. Piah Hydroelectric Scheme
The headwork for the intake and diversion tunnel is located at the lowest possible elevation to ensure the greatest useful storage. This arrangement is aimed to also reduce the sediment inflow and the possibility of delta formation behind the weir which may block the intake and allow sediments to enter into the tunnel. The continuous entry of sediment into the water conveyance would block the tunnel entrance and eventually reduce the water inflow for efficient hydropower generation. This paper shares the inspection findings of recent years’ tunnel inspection which revealed sediment deposition inside the water tunnel for Sg. Piah hydropower scheme. Two nearby lateral designed intakes for the lower hydropower scheme were inspected and were found to have significant sediment deposits which affects the overall power generation. Some suggestion for further work is also discussed briefly.
Sedimentation at Intakes and Water Conveyance Tunnel for Hydropower Scheme, Lower Sg. Piah Hydroelectric Scheme
The headwork for the intake and diversion tunnel is located at the lowest possible elevation to ensure the greatest useful storage. This arrangement is aimed to also reduce the sediment inflow and the possibility of delta formation behind the weir which may block the intake and allow sediments to enter into the tunnel. The continuous entry of sediment into the water conveyance would block the tunnel entrance and eventually reduce the water inflow for efficient hydropower generation. This paper shares the inspection findings of recent years’ tunnel inspection which revealed sediment deposition inside the water tunnel for Sg. Piah hydropower scheme. Two nearby lateral designed intakes for the lower hydropower scheme were inspected and were found to have significant sediment deposits which affects the overall power generation. Some suggestion for further work is also discussed briefly.
Sedimentation at Intakes and Water Conveyance Tunnel for Hydropower Scheme, Lower Sg. Piah Hydroelectric Scheme
Water Res.Develop.Managem.
Mohd Sidek, Lariyah (editor) / Salih, Gasim Hayder Ahmed (editor) / Ahmed, Ali Najah (editor) / Escuder-Bueno, Ignacio (editor) / Basri, Hidayah (editor) / Luis, J. (author) / Othman, E. F. (author)
International Conference on Dam Safety Management and Engineering ; 2023 ; Kuala Lumpur, Malaysia
Proceedings of the 2nd International Conference on Dam Safety Management and Engineering ; Chapter: 24 ; 345-359
2024-02-05
15 pages
Article/Chapter (Book)
Electronic Resource
English
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