Approximate Design Cost: $42,970
Project Timeline: 2018-2025
Project Manager: Scott C. Blossom, P.E., CFM, LEED AP
Geotechnical Engineer: Hal Van Aller P.E.
Engineer: Elisabetta Civiletto
Engineering Technician: Ryan Scopp, CBLP
The Dam Repair/Improvement Project consists of an existing, earthen impoundment located within a subdivision in James City County, Virginia. The principal spillway structure and a portion of the downstream embankment were previously damaged and in need of repair to comply with the Virginia Impounding Structure Regulations. Environmental considerations for the project include the mapped, FEMA floodplain at the downstream toe, existing wetlands and waters of the U.S., and Resource Protection Areas (RPA) designated for the protection of the Chesapeake Bay. The principal spillway was slip lined, outfall protection was installed, and tree roots were removed from the dam.
Project Role
BCE was responsible for site assessments, data management and analysis, hydrologic and hydraulic modelling, stormwater evaluation and watershed analysis. As project manager for the water resource engineering tasks, Mr. Blossom was responsible for analysis, oversight and engineering staff product as well as client meetings and coordination. Blossom Consulting and Engineering, Inc. (BCE) evaluated multiple road crossings and stream segments to identify potential stormwater and flood risk management solutions. The PCSWMM model was delivered in association with detailed structure assessments and detailed mapping of the entire 4,000-acre watershed, using a combination of survey and GIS data.
As a component of the project, BCE, in coordination with teaming partners and the USACE provided conceptual plans for base improvements, delivering strategies for resilient stormwater planning and floodplain management to mitigate risk, reduce road overtopping and improve base function.
