Infrasense Inc., one of the leading subsurface detection firms in the nation, recently completed a ground penetrating radar (GPR) survey to map the depth of steel reinforcing bars within the new Loon Mountain Resort bridge in Lincoln, NH. The objective of the survey was to map the depth of steel reinforcing bars within the travel lanes and sidewalk to verify the proper concrete cover thickness per the NHDOT 520.3.1.6.3.6 quality assurance specification, which requires that the rebar/concrete cover depth be verified and recorded prior to opening the bridge to traffic.
(PRWeb September 28, 2016)
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