Type: Lessons Learned
Publisher: Brookhaven National Laboratory, Upton, NY
Lessons Learned: It is recommended that ground penetrating radar (GPR) scanning equipments three-dimensional scanning capability be utilized for locations that produce inconclusive two-dimensional results, i.e. are suspect for potentially containing "stacked" subsurface objects or objects in close proximity to each other.
GPR scanning equipment limitations such as inability to scan close to fixed objects and on irregular surface conditions must be taken into consideration when scanning proposed penetration locations.
Areas scanned for subsurface objects during the concrete or masonry aggressive penetration process must be clearly marked to indicate areas that are not scanned.
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