Unprecedented modeling details
Both 1-D and 2-D models captured dynamic interactions among precipitation, stormwater runoff, and tidal conditions.
Client
City of Virginia Beach
Location
Virginia Beach, Virginia
Comprehensive stormwater planning addressing rainfall, tides and sea level rise
Virginia Beach faces recurring threats from heavy rain, hurricanes, and nor'easters. The city has expedited resilience investments for vulnerable neighborhoods, using detailed stormwater modeling to develop comprehensive flood mitigation plans addressing limited system capacity and tidal impacts.
Multiple storm calibration approach
We calibrated the models to multiple storms over a range of rainfall intensities and validated with available storm data.
Practical level of service goals
Our solutions met realistic service levels, offering benefits with significant cost savings compared to meeting all current standards.
Boosting resilience in vulnerable neighborhoods
Mitigation plans prioritized alternatives in neighborhoods with low elevations and 1950s-era drainage infrastructure.
The completed engineering evaluations and recommended mitigation plans helped Virginia Beach quantify infrastructure improvements to protect vulnerable neighborhoods, understand financial investment requirements in critical stormwater infrastructure, and promote the public stability necessary for renewal, redevelopment, and reinvestment.
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Client
City of Virginia Beach
Location
Virginia Beach, Virginia