Explain Handheld Inspection tools for Underwater Inspection of Bridge?
Handheld tools such as flash lights, rulers, and tape measures for documenting areas; small or large hammers or pick axes for performing soundings of the structural member; callipers and scales for determining thickness of steel flanges, webs and plates or diameters of piling; and chipping tools for prodding the surface of the concrete to determine the depth of deterioration.