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Case Study of Large Diameter Sewer Inspection Finds More Than Expected

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Within a major drainage basin shared with the City of Tulsa, Broken Arrow's contribution is being conveyed in a 50 year old sewer. The City of Broken Arrow recognized the need to not only determine hydraulic capacity of the line but ascertain its structural integrity. In the summer of 2009, flow monitoring and pipeline inspection were conducted as part of a long term program prompted by a Consent Order from the Oklahoma Department of Environmental Quality (ODEQ) as a result of chronic sewer overflows. Integral to the study was the inspection of the line. As it could not be taken out of service, it required the use of technology that could quantify the condition of the line during daily operation.

Keywords: CCTV; Interceptor; flow monitoring; hydraulic modeling; hydrogen sulfide; laser; pipeline evaluation; pipeline integrity analysis; sonar; surcharge

Document Type: Research Article


Publication date: 2010-01-01

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