Survey of bridge decks with ground-penetration radar : a manual.

12769196Final report.Sept. 1983July 1985.PDFTech ReportFHWA/VA-86/3VirginiaVirginia Transportation Research CouncilClemen~a, G. GVirginia Highway & Transportation Research CouncilUS Transportation CollectionThe report presents the findings of a study of the feasibility of locating audio-teleconferencing equipment in the residency offices of the Department. As an extension of a larger study documented in entry 11-45, teleconferencing units were installed in six residency offices in the Salem District to determine whether the Department's teleconferencing system should be extended into the residency level. The report recommended that the units in the six residencies be left in place and that future residency installations be looked at on a case-by case basis