Analyzing Infrastructure Condition—A Practical Approach

by D. Kelly O'Day, Consulting Engr.; Philadelphia, Pa.,

Serial Information: Civil Engineering—ASCE, 1983, Vol. 53, Issue 4, Pg. 39-42

Document Type: Feature article


New York City and Philadelphia are using a new method of analyzing existing data to develop sensible, economical water main replacement programs. By analyzing readily available data on the construction and service histories of water mains, the cities can evaluate the current condition of the mains and avoid unnecessary repairs. The author, a consultant to the two cities' water departments, participated in the development of a computerized management system which analyzed routine maintenance records to evaluate the state of water mains. This technique, which is applicable to other public works which must be maintained, is an alternative to replacing facilities based on the expiration of their estimated useful life, regardless of their current serviceability.

Subject Headings: Urban areas | Water supply systems | Infrastructure | Municipal water | Systems management | System analysis | Economic factors | Construction management | United States | New York City | New York | Philadelphia | Pennsylvania

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