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Minimum Flow Gate
BYPASS FLOWS

Owner: Great Bay Hydro
Location: Newport, VT

Newport Hydro StationNEWPORT HYDRO STATION

This new low level gate / guide assembly was installed in an existing granite block dam. Using a hydraulic actuator and electronic controls the gate will be continually monitored and adjusted for required minimum bypass flows which vary with river flows and generating loads. The integrated guides / panel / stem / actuator system avoids the transfer of the very significant forces to the granite blocks of the dam. This project required some tricky dewatering, demolition, structural grouting, and injections waterproofing to control leakage.

 

 

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