Lick Run VCS and Greenway Strand Associates Project Location: Cincinnati, Ohio Project Start Date: 1 July 2009 Project Completion: 1 October 2022 Project Team: Client- Metropolitan Sewer District of Cincinnati, Design Team- Human Nature, Inc.; Sustainable Streams, LLC; Johnson, Mirmiran & Thompson, Inc.; Kolar Designs, Inc.; CID Irrigation, Inc.; Gray & Pape, Inc.; Hull & Associates, LLC Project Summary: The $103 million Lick Run Valley Conveyance System (VCS) and Greenway Project is one of the largest green infrastructure proj - ects for reducing combined sewer overflows (CSO) in the country. This 1.5-mile corridor provides watershed management, flood control, stormwater conveyance, storage and reuse, and water quality treatment, all integrated into an open channel and civic park complementing the South Fairmount neighborhood’s historical and cultural charm. The channel and surrounding greenspace are the principal elements of the project and are also proving to be a catalyst for redevelopment of this once blighted neighborhood. The 2,700-acre Lick Run Watershed contains the Metropolitan Sewer District of Greater Cincinnati’s (MSDGC) largest CSO. In response to a USEPA consent decree, the project team identified that by re-establishing the Lick Run waterway from its 19-foot-tall, brick combined sewer, constructed 120 years earlier, MSDGC could save millions of dollars over the traditional deep tunnel conveyance system, while providing the community a focal point for economic redevelopment. Highlights: • Entering the Lick Run Greenway from downtown Cincinnati, the civic park and water quality storage pond provide a welcoming vista. The 1.8-acre pond provides settlement for runoff and reuses as a base flow for the surface channel via a recirculation system. • A headwater feature is at the beginning of the 1-mile, rock-lined surface channel. The weirs in the structure regulate the flow going into the surface channel. • An innovative hybrid design with a rock-lined channel over a subsurface box conduit maximizes the use of limited horizontal space within the corridor. Separated stormwater flows from the hillsides surrounding the project area for up to a 25-year rainfall event are conveyed mostly through the subsurface box conduit. Storms up to the 100-year event are conveyed through a combination of the box conduit and the surface flood control channel. • The surface channel flows between two major transportation arterials. Blighted structures were replaced with a tranquil park setting that includes a playground and more than 2 miles of shared-use paths and sidewalks. • Roads and intersections at each cross street were reconstructed and five new bridges were added to provide vehicle and pedestrian access across the channel.
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