220.127.116.11.2 Bow Irons and Stanchions
Bow irons and stanchions shall conform to the following:
(a) They shall be not less than 2130 mm (84 in.) high, except that this height shall be permitted to be reduced by an amount necessary to permit the doors or covers to close when the car is at the landing next to the top terminal landing.
(b) They shall be designed, installed, and braced to withstand the impact when striking the doors or covers.
(c) Bow irons shall be located approximately symmetrical with respect to the center of the car platform.
(d) Stanchions shall be framed together at their upper ends and provided with spring buffers at the top.