AWWA DSS60329

This slide presentation outlines information on a mayoral task force formed to study trunk main failures in the Cleveland Water System. Topics covered include: failure classification system; CWD trunk main failure records; Class III failures on cast iron and concrete; break rates (incidents per year per 1000 miles of pipe); age of Class III failures at time of break; Class III failures on cast iron pipe by cohort; failures on concrete pipe by cohort; Class III failures by decade; and, task force recommendations.