Evaluation Plus History Equals Sewer Renovation

by Duane G. Harman, Fort Worth Water Dep, United States,
Rodney R. Thornhill, Fort Worth Water Dep, United States,



Document Type: Proceeding Paper

Part of: Water Resources Infrastructure: Needs, Economics, and Financing

Abstract:

Sewers built in the 1920's were overflowing in the Fort Worth Zoo after moderate rain events. Data from A Sanitary Sewer Evaluation Survey (SSES), plus the Maintenance History of the sewers provided the data base to design a combined cost effective Sewer Renovation plan. Cost effective renovation on the sewers may be justified by SSES, or maintenance history, or both. Engineering evaluation of the collection system consisted of intensive survey activities, computer modeling, flow monitoring, and analysis to develop a recommended cost-effective I/I reduction plan. These and other aspects of the subject are discussed.

Subject Headings: Sewers | Renovation | Maintenance and operation | Benefit cost ratios | Sanitary sewers | History | Surveys (non-geomatic) | Texas | United States

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