Case

Liveable shorelines in Buzzard Point

Ramboll

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Ramboll employs more than 16,500 experts globally and has especially strong representation in the Nordics, UK, North America, Continental Europe, Middle East and Asia-Pacific. With 300 offices in 35 countries, Ramboll combines local experience with a global knowledgebase constantly striving to achieve inspiring and exacting solutions that make a genuine difference to our clients, the end-users, and society at large. Ramboll works across the following markets: Buildings, Transport, Planning & Urban Design, Water, Environment & Health, Energy and Management Consulting.

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Rambøll working with flood-risk management and coastal protection at Buzzard Point, Washington DC

The Potomac River is among the wildest rivers in the world and it relatively often reaches flood stages because of events in distant areas of its watershed.

On behalf of the Department of Energy and Environment in Washington DC ( DoEE) Ramboll has therefore assisted with technical advice, financial analysis and training in the development of master plan, guidelines and pilot project for fire protection and stormwater protection using LAR, nature-based coastal protection and green infrastructure in an existing building at Buzzard Point in Washington, South of Capitol Hill.

Through advanced hydraulic modelling Ramboll illustrated that the planned level of resiliency towards storm surge and sea level rise only has limited effect on reducing flooding in the future.

Ramboll hence conducted a cost-benefit analysis for the currently proposed protection level and for a recommended higher protection level, to illustrate the value of increasing resilience compared to the current situation, both in terms of reduced risks, but also in terms of added value.

The riverine protection measures are proposed as a mix of grey infrastructure and BGI. Added value includes an extension of an existing Riverwalk trail, additional green space, living shoreline concept and increased access to the river.

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