Predictive Model Aids in Development of Systemwide Rehabilitation Program

by Bill Fick, CH2M Hill, Inc, Oakland, United States,
Mark Johnson, CH2M Hill, Inc, Oakland, United States,
Joann Johnson, CH2M Hill, Inc, Oakland, United States,



Document Type: Proceeding Paper

Part of: Pipeline Infrastructure II

Abstract:

Effective management of urban infrastructure requires accurate assessment of system-wide condition. Working with the City of San Jose, CH2M HILL has developed a computer model to provide information about the overall condition of the sanitary sewer system and the associated costs of rehabilitation. A key benefit of the model is that it provides an estimate of system-wide condition through the inspection of only a fraction of the pipeline population. The model provides input to the Capital Improvements Plan, supplying a basis for costs associated with the maintenance and improvement of this element of the city's infrastructure. Because the model has the ability to predict future conditions, the impacts of deferred spending also can be evaluated.

Subject Headings: Computer models | Rehabilitation | Benefit cost ratios | Urban areas | Simulation models | Sanitary sewers | Urban and regional development

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