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Some time ago, a colleague called to get my opinion on the use of TV cameras for underground inspection of drilled shafts. His query related specifically to relatively tight working areas and “in the dry” conditions. After pressing him to elaborate further on the context of his question, I discovered that he was weighing the benefits of TV inspection versus human entry into the drilled shaft excavation site. Photo: Raito Inc Going the distance with In-hole inspections This conversation is indicative of a larger movement that has been afoot for the past few years that seeks to discourage - or