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    Author(s): Alex L. Shigo; Walter C. Shortle; Julian Ochrymowych
    Date: 1977
    Source: Gen. Tech. Rep. NE-35. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station. 26 p.
    Publication Series: General Technical Report (GTR)
    Station: Northeastern Research Station
    PDF: View PDF  (6.0 MB)

    Description

    Active wood decay at groundline in in-service utility poles can be detected by a skilled inspector using: 1. A knowledge of basic patterns of decay. 2. Recognition of obvious signs of decay. 3. Proper interpretation of information obtained from a pulsed-current meter-Shigometer®-used with various probes and probing techniques.

    Publication Notes

    • Check the Northern Research Station web site to request a printed copy of this publication.
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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Shigo, Alex L.; Shortle, Walter C.; Ochrymowych, Julian. 1977. Detection of active decay at groundline in utility poles. Gen. Tech. Rep. NE-35. Upper Darby, PA: U. S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station. 26 p.

    Keywords

    Shigometer, pole decay, pole inspection

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