Mich. Admin. Code R. 408.40941

Current through Vol. 24-16, September 15, 2024

Section R. 408.40941 - Excavation; angle of repose

Rule 941.

(1) The side of an excavation more than 5 feet deep shall be sloped as prescribed in table 1, unless supported as prescribed in this part.

(2) An excavation less than 5 feet in depth shall also be effectively protected when examination of the ground indicates hazardous earth movement may be expected.

TABLE 1

MAXIMUM ALLOWABLE ANGLE OF REPOSE FOR THE SIDE OF AN EXCAVATION IN EXCESS OF 5' DEPTH

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Mich. Admin. Code R. 408.40941

1979 AC; 2013 AACS; 2023 MR 24, Eff. 1/3/2024