R 408.11923
R 408.11923 Rating charts.
Cite as Mich. Admin. Code R 408.11923
Rule 1923. (1) A legible rating chart shall be provided at the operator station
showing not less than the following information for crawler, locomotive, or truck
cranes:
(a) Load capacity relating to corresponding boom angles and operating radii for all
boom lengths, jib lengths, and angles. Where optional equipment, such as outriggers
or extra counterweights, is provided by the manufacturer, alternate ratings shall be
provided in addition.
(b) Where structural competence limits the ratings, such information shall be
shown on the chart.
(2) The required parts of line for hoist reeving, including the size and construction of
rope, shall be on the rating chart or in the operating manual.