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How Virginia Beach Creatively Uses Sewer Modeling to Inform Their Capacity Assurance Program

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The City of Virginia Beach Department of Public Utilities (City) provides sanitary sewer service to over 425,000 citizens and has over 404 sewer pumping/lift stations. DPU recently conducted an evaluation of their sanitary sewer pump station service areas using hydrologic modeling tools to estimate the 2-year recurrence interval peak hourly flow rate at each pump station. DPU developed a Capacity Assurance Program (CAP) that utilizes the 2-year peak hourly flows to:

Evaluate available capacity in the sanitary sewer system

Make decisions regarding the acceptance of new sewer flows into the sanitary sewer system

Track and manage flow acceptance requests

Identify and prioritize sewer pump station capacity enhancements.

The use of the hydrologic modeling results within the Capacity Assurance Program is described herein.

Keywords: Capacity management; capacity assurance; level of service; modeling; prioritization

Document Type: Research Article


Publication date: 2010-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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