Accounting for Every Pipe

by David W. Wright, (M.ASCE), Vice Pres.; Presnell Associates, Inc., 717 West Main Street, Suite 300, Louisville, KY 40202-2633,
G. Stephen Ballard, (M.ASCE), Principal Civil Engineer; Dept. of Utilities, 810 Union Street, Room 603, Norfolk, VA 23501,

Serial Information: Civil Engineering—ASCE, 1985, Vol. 55, Issue 11, Pg. 55-57

Document Type: Feature article


The Norfolk Sanitary Sewer Inventory and Appraisal System contains individual records for each of the 20,000 pipe segments in the Norfolk sewer system. The data, assembled from construction drawings, utility maps and field investigations, was transferred to planimetric maps. These maps became the master data record for the sewer system, from which all data was transferred to input forms and entered into the computer database. The inventory system allows sewer information to be analyzed, provides for testing hypotheses, provides for capital improvements programming and budgeting.

Subject Headings: Mapping | Pipelines | Inventories | Field tests | Information systems | Sanitary sewers | Construction management | Databases

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