Title
A RESOLUTION AUTHORIZING THE CITY MANAGER TO ENTER INTO A PROFESSIONAL SERVICES CONTRACT WITH GPD GROUP FOR THE BRANDYWINE CREEK WATERSHED STUDY UPDATE.
Brief Description: The Brandywine Creek Watershed Study Update will expand and update a previously completed storm water hydraulic study conducted in the watershed in 2019. This study update will expand the existing storm system model and evaluate the trunk storm water infrastructure within the Brandywine Creek Tributary Watershed, and to identify and recommend future improvements to mitigate flooding.
Body
Legislative History
None.
Purpose & Explanation
The City Administration is requesting a comprehensive update to the Brandywine Creek Watershed drainage study to better understand and identify existing local flooding and stormwater issues. This will help prioritize future capital improvement projects within the watershed. The original study, completed in 2019 with the Northeast Ohio Regional Sewer District (NEORSD), focused primarily on larger, regional stormwater system components, with minimal analysis of smaller pipe and stream networks.
Since 2019, the City has finished several capital improvement projects to mitigate flooding, including improvements at the Barlow Community Center Lake Dams. Additional projects from the 2019 study are currently in design and planned for future construction. Given the flooding on August 8, 2024, limits of the 2019 study and the recently completed projects, an updated and expanded study is warranted. See map attached showing the overall watershed, limits of 2019 study and anticipated study expansion areas.
This study will evaluate the Brandywine Creek Tributary watershed's stormwater system, including major streams, bridges, culverts, and trunk storm sewer mains (18 inches and larger) located within its drainage area. We will catalog existing stormwater infrastructure, generate a new hydrologic and hydraulic model, and then develop and rank alternative solutions to...
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