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WSP was tasked with the drainage design of an 8-mile stretch of historical parkway. The project initially started out as a maintenance project with few areas of expansion, but as the project moved forward more changes were needed to address existing flooding and to incorporate spread improvements. Some of the many challenges of the project […]
The City of Virginia Beach has worked hard to develop partnerships with our residents regarding storm drainage issues. This presentation will cover some of the successful strategies for communicating with the public after flooding events and during design of projects. These strategies include: reviewing the history of drainage for the neighborhood; capturing public concerns, input […]
The value of committing appropriate resources to the design aspect of a project is well accepted as good practice. It is no secret that a project will never be a great project without a strong design. Engineering design requires knowledge, experience, and attention to the details of the project. However, developing a great design and […]
The South River Preserve, located in Waynesboro, Virginia, is currently listed as an EPA brownfield. The site received funding as part of the Natural Resource Damage Assessment and Restoration (NRDAR) program to remediate mercury contamination downstream of a decommissioned DuPont facility. This presentation focuses on the stormwater engineering components involved in the master planning […]
Risk Assessments and the use of Risk Informed Decision Making (RIDM) as it relates to evaluation of dam safety concerns have been used by many federal agencies for larger portfolios of dams for the past couple of decades. For many state, municipal, and private dam owners, however, the concept of RIDM and evaluating a dam […]
In a rapidly developing regions, finding and implementing TMDL projects can be challenging. Once a project finds support and proceeds forward, the watershed and site conditions can often change in the time it takes to plan, fund, design and construct. Several projects in Loudoun County have been impacted by development (privately funded and publicly funded) […]
The most common cause of bridge failures over streams is from floods scouring bed material around bridge foundations. Scour is the engineering term for the erosion caused by water of the soil surrounding a bridge foundation (piers and abutments). Bridge scour evaluation requires multidisciplinary inputs. This presentation will focus on the formation of bridge scour, […]
NOT CAVING UNDER PRESSURE: An EMERGENCY CEMETERY STORMDRAIN REPLACEMENT Michael Hogan,1 PE, RK&K Gabriela Larus,2 PE, RK&K; Bill Boston, City of Richmond DPU Land subsidence at several graves within the Oakwood Cemetery in the City of Richmond prompted an urgent response from the City’s Department of Public Utilities. RK&K was given this emergency task to […]
The purpose of this presentation is to provide insight to other engineers for the design of high volume, low head stormwater pumping stations. Two case studies will be discussed that illustrate innovative solutions developed using traditional design-bid-build and alternate design-build methods. Lessons learned will be presented to provide engineers guidance when considering similar projects. The […]
Under the Clean Water Act, Section 404(f)(1), certain specified activities that involve dredge and fill are exempt from permitting requirements. One of these specified exempt activities is “Maintenance (but not construction) of drainage ditches”. A “drainage ditch” is defined in 2020 joint Environmental Protection Agency Army Corps of Engineers memo as “a ditch where increasing […]
The Virginia Lakes and Watershed Association is a volunteer organization and its mission is to provide education on water resources in Virginia.
