New Approaches for Condition Assessments in Collection System Asset Management

Utility managers have begun to focus on asset management approaches to optimize the management of their collection systems, due to a number of drivers including the requirements of GASB 34, regulatory agency focus on sanitary sewer overflows and aging of their infrastructure. The Water Environment Research Foundation has developed or is developing a number of tools to help utility managers with these efforts. This paper presents information on innovative methods to inspect collection systems, methods to prioritize the collection system inspection process and protocols under development for condition assessment, among other tools available to utilities implementing asset management approaches to better manage their collection systems.