34 Pa. Code § 7.235 – Handholds.

(a) Handholds attached to a belt shall be provided and so installed that they are not less than four feet nor more than 4 feet 8 inches, above the step tread, and shall be so located as to be available on both the up and down-run of the belt.
(b) The grab surface of handholds shall be not less than 4 1/2 inches in width. Fastenings shall not come within 1 inch of the edge of the belt.
(c) Handholds shall be capable of withstanding without damage a load of 300 pounds applied parallel to the run of the belt.
(d) No handhold shall be provided without a corresponding step. If a handhold is removed permanently or temporarily, the corresponding step and handhold for the opposite direction of travel shall also be removed before the lift is placed in service.
(e) Handholds shall be of the closed type.

This section cited in 34 Pa. Code § 7.234 (relating to steps).