“Design and Implementation of Fuse Gate for efficient flow control and to enhance the storage capacity of Reservoir”
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Keywords:
Fuse Gate / Rubber Dam, Rawal Dam, Flood Control, Storage Capacity, Reservoir StabilityAbstract
The research aims to evaluate the effectiveness of Fuse Gate technology in increasing the storage
capacity of the Rawal Dam while mitigating downstream flooding risks. Rawal Dam, situated on the
downstream of the Korang River, has experienced a reduction in storage capacity due to alterations in the
river's flow and sedimentation, particularly at the Dead Storage Level (DSL) and Normal Storage Level
(NSL). A Hydrographical survey conducted using Google Earth Pro focused on assessing reservoir
elevation levels and identifying areas of reduced storage capacity. Mapping terrain between the Right Guide
Bank (RGB), Left Guide Bank (LGB), Right Marginal Bund (RMB), and Left Marginal Bund (LMB) was
conducted, considering an estimated flood depth of 10m. The diminishing storage capacity poses significant
risks to downstream areas, especially during critical months. The research aims to explore the potential of
fuse gate/rubber dam technology in enhancing flow control and to mitigate the storage capacity loss of
existing low to medium height dams, river management in Pakistan, with the flexibility especially to
increase the Rawal Dam's storage capacity loss across the Korang River. This endeavor holds promising
benefits, including improved irrigation reliability, water supply, and reduced flood risks in adjacent areas,
contributing to both industry and societal welfare.
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