Dissipation_good_3.JPG (640 × 480 pixels, file size: 200 KB, MIME type: image/jpeg)
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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current | 16:14, 3 November 2016 | 640 × 480 (200 KB) | Mtrojan (talk | contribs) |
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