(a) Positive-acting stop controls should be installed along all belt
conveyors used to transport men, and such controls should be readily
accessible and maintained so that the belt can be stopped or started at any
location.
(b) Belt conveyors used for regularly scheduled mantrips should be
stopped while men are loading or unloading.
(c) All belt conveyors used for the transportation of persons should
have a minimum vertical clearance of 18 inches from the nearest overhead
projection when measured from the edge of the belt and there should be at
least 36 inches of side clearance where men board or leave such belt
conveyors.
(d) When men are being transported on regularly scheduled mantrips on
belt conveyors the belt speed should not exceed 300 feet per minute when the
vertical clearance is less than 24 inches, and should not exceed 350 feet per
minute when the vertical clearance is 24 inches or more.
(e) Adequate illumination including colored lights or reflective
signs should be installed at all loading and unloading stations. Such colored
lights and reflective signs should be so located as to be observable to all
persons riding the belt conveyor.
(f) After supplies have been transported on belt conveyors such belts
should be examined for unsafe conditions prior to the transportation of men
on regularly scheduled mantrips, and belt conveyors should be clear before
men are transported.
(g) A clear travelway at least 24 inches wide should be provided on
both sides of all belt conveyors installed after March 30, 1970. Where roof
supports are installed within 24 inches of a belt conveyor, a clear travelway
at least 24 inches wide should be provided on the side of such support
farthest from the conveyor.
(h) On belt conveyors that do not transport men, stop and start
controls should be installed at intervals not to exceed 1,000 feet. Such
controls should be properly installed and positioned so as to be readily
accessible.
(i) Telephone or other suitable communications should be provided at
points where men or supplies are regularly loaded on or unloaded from the
belt conveyors.
(j) Persons should not cross moving belt conveyors, except where
suitable crossing facilities are provided.
