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Maintaining the Ditch and Surface Cross Drains
Автор: Federal Highway Administration USDOTFHWA
Загружено: 2012-12-03
Просмотров: 212388
Описание:
This video provides comprehensive instructions for correctly constructing and maintaining ditches, culverts, and various surface cross drains. Highlighted in this video are surface cross drains such as rolling dips, earthen water bars and interceptor dips. Keywords: heeling the ditch, pulling the ditch, maintaining surface cross drains, rolling drain dips, interceptor dips, earthen water bars, open-top drainage devices.
Produced in cooperation with the U.S. Department of Agriculture (USDA) and the Federal Highway Administration (FHWA).
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