Mich. Admin. Code R. 408.40944 - Benching and sloping
Rule 944.
(1)
The angle of repose shall be flattened when an excavation has water conditions,
silty materials, loose boulders, or areas where erosion, deep frost action, or
slide planes appear.
(2) When
benching the side of an excavation, the vertical rise shall not be more than 5
feet and the step back shall extend at least to the angle of repose as required
by table 1.
(3) When benching a
side of a trench, the height of the lower bench shall not be more than the
lesser of 5 feet or width of the trench measured at the bottom.
(4) An employee shall not be permitted to
work on sloped or benched excavations at levels above another employee, except
when an employee at the lower level is protected from the hazard of falling,
rolling, or sliding material or equipment.
Notes
State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.
No prior version found.