Inspect Full Length of Pipe: Difference between revisions
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Content Courtesy of [https:// | Content Courtesy of [https://damtoolbox.org/images/5/5d/USDA_Decision_Analysis_Guide_for_Corrugated_Metal_Culvert_Rehabilitation_and_Replacement_Using_Trenchless_Technology.pdf USDA Decision Analysis Guide for Corrugated Metal Culvert Rehabilitation and Replacement Using Trenchless Technology] | ||
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Latest revision as of 21:00, 19 June 2023
Message: Careful Inspection is required for CMP, even if the initial impression is good.
Upon initial inspection, a conduit may appear to be in decent condition with many years of service remaining. However, a simple observation at each end of a pipe will not provide enough information to determine the condition of a pipe. A camera inspection of the full length of a pipe will provide more detail and can often be done inexpensively with an action camera such as a GoPro.
Content Courtesy of USDA Decision Analysis Guide for Corrugated Metal Culvert Rehabilitation and Replacement Using Trenchless Technology
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24-inch corrugated metal pipe
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A casual observer would likely assume that this old culvert is fine, but the inspector should look closely to observe the pipe’s condition.
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Looking into the outlet using strong light
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Camera (with leg extensions) entering outfall.
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Inside the culvert looking upstream using CCTV
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Inside the culvert looking upstream, 84 feet from the outfall
Note: The content on this page was originally created as part of DamOutletWorks.org (DOWL, 2018). It has subsequently been updated and reformatted as part of the Dam Safety Toolbox.
Revision ID: 6865
Revision Date: 06/19/2023