Johnson County Wastewater's Sanitary Sewer Stream Crossing Program
Authors: Ott, Dan; Barnes, Joseph W.; Miller, Paul; Barkman, Will; Beck, Gary S.
Source: Proceedings of the Water Environment Federation, WEFTEC 2010: Session 41 through Session 50 , pp. 2874-2883(10)
Publisher: Water Environment Federation
Abstract:Johnson County Wastewater (JCW) is taking a proactive approach to maintaining and sustaining its sanitary sewer system. The utility, which owns and manages 2,100 miles of sewer line, has reviewed its sewer assets and assigned risk to all elements. It was determined that stream crossings are one of the most vulnerable elements of the sewer system, not surprising because crossings are prone to exposure from constant movement of streams. Because of the importance of stream crossings – JCW currently has 3,000 in its system – the utility has adopted a program to maintain them that includes a high level of surveillance and a new stream stabilization approach to improve crossings that have washed out or are in peril.
Keywords: asset management; geographic positioning system (GPS); geographical information system (GIS); geomorphology; hand held data collectors; risk management; sewer exposure; stream crossing; sustainability
Document Type: Research Article
Publication date: January 1, 2010
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