Administrative Rules of Montana
Department 36 - NATURAL RESOURCES AND CONSERVATION
Chapter 36.14 - DAM SAFETY
Subchapter 36.14.5 - Design and Construction Criteria
Rule 36.14.504 - BREACH OR REMOVAL OF AN EARTH DAM
Universal Citation: MT Admin Rules 36.14.504
Current through Register Vol. 6, March 22, 2024
(1) The breach of an earth dam must be excavated down to the level of the natural ground and be able to pass the 100-year, 24-hour flood at a depth and velocity equivalent to the natural channel. However, the maximum width required may be the total removal of the dam.
(2) The sides of the breach must be excavated to a slope that is stable and consistent with the natural angle of repose of adjacent material abutting the dam or as determined by the engineer.
85-15-110, MCA; IMP, 85-15-210, 85-15-213, MCA;
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