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Glovick and White Discuss Tunnel System Surges and Geysers at Purdue University

Deep tunnel systems are frequently used to transport, store and treat combined sewer overflows (CSO) and sanitary sewer overflows (SSO). These tunnels can become highly dynamic environments when filling that can lead to development of a pressurized surge front. Without properly designed controls, the surge front can have severe effects, building enough pressure to force a geyser of water and air from the tunnel through access, ventilation, or drop shafts above ground elevations.


Sam Glovick, PE


Dave White, PE

Sam Glovick, PE, and Dave White, PE, presented a Hydraulics/Hydrology Civil Engineering Seminar on the Formation and Control of Surges and Geysers in Tunnel Systems to Purdue University graduate students and professors. They gave an overview of general CSO facility considerations, and discussed various approaches to control surge and prevent geysers including emergency overflow structures, active inflow control, and passive inflow control.

Sam has developed operational protocols and surge control facilities for the design and preliminary design of large CSO tunnels in Detroit, Cleveland and Boston. He has performed state-of-the-art mathematical modeling of the unsteady flow hydraulics associated with tunnel systems using MXTRAN (MiXed TRANsients) transient analysis software to examine the open channel and closed conduit transients and surge propagation. Sam can be reached in our Pittsburgh, PA, office at 412.454.5566 or sglovick@wadetrim.com.

Dave has extensive project management experience in planning, design and construction for sanitary, storm and CSO collection and treatment systems. He has led planning efforts for evaluating tunnel alternatives in Omaha as well as control gate facility designs in Cleveland. Dave can be reached in our Indianapolis, IN, office at 317.829.5881 or dwhite@wadetrim.com.

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