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Lateral Inspection and Database Development Program

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Our nation is facing a growing crisis of aging infrastructure. The challenges of sewer infrastructure management include the costs of identifying, maintaining or rehabilitating sewer assets. This paper focuses on one option for performing and recording lateral sewer condition assessments within one of the largest sanitary sewer systems in the nation, the Washington Suburban Sanitary Commission (WSSC). The WSSC has chosen to implement an aggressive lateral inspection and rehabilitation program to inspect lateral sewers across nearly 1000 square miles of service area. This effort was in response to a federally mandated Consent Decree to rehabilitate sewer mainlines. The concept was to collect simultaneously and create a database of the above ground and internal conditions of the sewer laterals. This concept is moving forward from inspections to design and possible rehabilitation or replacement and shall prove to save costs and time.

Document Type: Research Article


Publication date: January 1, 2012

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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 These proceedings are not peer reviewed.

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