Mechanical Power-transmission
Apparatus
Horizontal belts and ropes [1910.219(e)(1)]
1910.219(o) Approved
materials –
1910.219(o)(1) Minimum
requirements. The materials and dimensions specified in this paragraph
shall apply to all guards, except horizontal overhead belts, rope,
cable, or chain guards more than seven (7) feet above floor, or platform.
1910.219(o)(1)(i) [Reserved]
1910.219(o)(1)(i)(a) All guards
shall be rigidly braced every three (3) feet or fractional
part of their height to some fixed part of machinery
or building structure. Where guard is exposed to contact with moving
equipment additional strength may be necessary.
1910.219(o)(2) Wood guards.
1910.219(o)(2)(i) Wood guards may be used in the woodworking and chemical industries,
in industries where the presence of fumes or where
manufacturing conditions would cause the rapid deterioration
of metal
guards;
also in construction work and in locations outdoors
where extreme cold or extreme heat make metal guards and railings
undesirable. In all other industries, wood guards
shall not be used.
1910.219(e)(1)(i) Where
both runs of horizontal belts are seven (7) feet or less from the floor
level, the guard shall extend to at least fifteen (15) inches above
the belt or to a standard height, except that where both runs of a
horizontal belt are 42 inches or less from the floor, the belt shall
be fully enclosed in accordance with paragraphs (m) and (o) of
this section.
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