Project #4471

Leveraging Data from Non-Destructive Examinations to Help Select Ferrous Water Mains for Renewal

Principal Investigator
Research Manager
Dr. Jian Zhang
HDR Engineering, Inc.


Many water utility veterans acknowledge that functional pipes are often discarded because they are presumed to be in poor condition. This is partly because of the expense and uncertainties associated with using non-destructive examination (NDE) technologies. The objective of this project was to demonstrate whether NDE can be used cost effectively on some mains, and the results used to infer the condition of similar mains. Tailored Collaboration partners: DC Water, Denver Water, Los Angeles Department of Water and Power, Fairfax Water, and Seattle Public Utilities. Published in 2018.