Material. Platform guide rails shall be of metal construction.
Steel construction shall conform to the requirements of Rule 200.2a (American
National Standard Institute A-17-1-78). Metal other than steel shall conform to
the requirements of Rule 200.2b (American National Standard Institute
of guide rails. The top and bottom of each run of guide rails shall be
so located in relation to the extreme positions of travel of the car that the
car guiding members cannot travel beyond the ends of the guide rails.
enclosures. The guiding mechanism shall be enclosed with a solid
enclosure to prevent accidental contact. If openings are necessary in this
enclosure for operation, they must reject a ban three-fourths (¾) inch
deflection and joints. Fastening, deflections, and joints shall conform
to the requirement set forth in Rule 705.4 (American National Standard
Conn. Agencies Regs.
Effective October 28,