Techniques for Automating the Process of As-Built Reconciliation

by Brian R. Skruch, Westinghouse Electric Corp, Nuclear, Technology Div, Pittsburgh, PA, USA,
Gerald B. Brandt, Westinghouse Electric Corp, Nuclear, Technology Div, Pittsburgh, PA, USA,
Louis J. Denes, Westinghouse Electric Corp, Nuclear, Technology Div, Pittsburgh, PA, USA,



Document Type: Proceeding Paper

Part of: Structural Engineering in Nuclear Facilities

Abstract: The approach utilizes an electronic digital 'ruler' capable of measuring distances to 100 feet with a resolution of 1/100 of a foot. This ruler interfaces to a hand held computer. This 'electronic notebook' also accepts alpha-numeric input from a keyboard and replaces a clipboard and pencil currently used. The electronic notebook, in turn, can transfer its data directly to a host mini or mainframe computer. Once the data is resident on the larger computer it is converted to a format compatible with an existing database system used for piping analysis and design. Using accepted tolerances for as-built deviations, the as-built data is then automatically compared to as-designed data. If reanalysis is required, the as-built data is in a compatible format to utilize existing computer analysis codes. This paper discusses the operation and interfacing of the electronic ruler, the general design of the data structures in the electronic notebook, the design of mini-computer software, and the results of preliminary testing of the system.

Subject Headings: Computer analysis | Distance measurement | Data analysis | Automation | Databases | Pipes | Standards and codes

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