Mich. Admin. Code R. 408.12216 - Overhead guards
Rule 2216.
(1)
When a load is lifted higher than the head of the operator, and the load
creates a hazard to the operator, or when the operator is endangered by a
hazard of falling objects other than the load, an overhead guard shall be
provided. The overhead guard shall be as prescribed in SAE J167A, "Overhead
Protection for Agricultural Tractors Standard," as referenced in
R
408.12202.
(2) The overhead guard shall be constructed
in a manner that minimizes interference with the drivers horizontal visibility.
The overhead guard may be constructed of a solid material. If a grid or mesh is
used, a 1.5-inch diameter circle shall be the maximum circle that can be
inserted between the elements of the grid or mesh. The guard shall be large
enough to extend over the operator under all normal circumstances of tractor
operation, including forward and rearward tilt of the mast.
(3) On a tractor, a vertical clearance of not
less than 39 inches should be maintained from the point of maximum depression
of the operators seat to the underside of the section of the overhead guard
under which the operators head moves during normal operation.
(4) Where head room conditions limit the
overall lowered height of the tractor, the normal clearance height may be
reduced if the operator wears safety head protection as prescribed in General
Industry Safety Standard Part 33 "Personal Protective Equipment," as referenced
in
R
408.12202.
Notes
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