Mich. Admin. Code R. 408.42154 - Runway and ramp specifications
Rule 2154.
(1) A
ramp or runway that is used exclusively by employees as a means of access to or
egress from a walking or working surface shall comply with all of the following
provisions:
(a) Be capable of supporting not
less than 2 times the maximum intended load.
(b) Consist of a minimum of two 2-inch by
10-inch nominal size planks placed side by side or other material of equal
width that provides equivalent strength if guardrails are not
required.
(c) Consist of a minimum
of three 2-inch by 10-inch nominal size planks placed side by side or other
material of equal width that provides equivalent strength if guardrails are
required.
(d) Not be constructed
steeper than the ratio of 1 foot of vertical rise to 2 feet (0.6 m) of
horizontal run.
(e) Have a
slip-resistant surface or have cleats that are not more than 2 inches by 4
inches nominal size and which are uniformly spaced not more than 24 inches (61
cm) apart.
(f) Be constructed to
avoid excessive deflection and springing action.
(g) Be secured at each end to prevent
displacement.
(h) Not be used for
the storage of materials or equipment.
(i) Be maintained free of debris, other loose
materials, and slip or trip hazards.
(2) A ramp or runway used by employees with
wheelbarrows shall comply with both of the following provisions:
(a) Be constructed and used as prescribed in
subrule (1)(a), (d), (e), (f), (g), (h), and (i) of this rule.
(b) Consist of three 2-inch by 10-inch
nominal size planks placed side by side or other material of equal width that
provides equivalent strength.
(3) A ramp or runway used by concrete
buggies, forklift trucks, or other motorized material handling equipment shall
comply with all of the following provisions:
(a) Be capable of supporting not less than 4
times the maximum intended load.
(b) Be not less than 5 feet (1.5 m)
wide.
(c) Be constructed and used
as prescribed in subrule (1)(a), (d), (f), (g), (h), and (i) of this
rule.
(4) A ramp or
runway constructed of 2 or more planks placed side by side shall have the
planks securely fastened together.
Notes
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