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Correctly sized riprap used for apron energy dissipation. Rock is correctly placed according to pipe size and outlet velocity and is placed within 24 hours after pipe outlet connects to a surface water.

Revision as of 14:02, 10 January 2017

Correctly sized riprap used for apron energy dissipation. Rock is correctly placed according to pipe size and outlet velocity and is placed within 24 hours after pipe outlet connects to a surface water.

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current16:14, 3 November 2016Thumbnail for version as of 16:14, 3 November 2016640 × 480 (200 KB)Mtrojan (talk | contribs)