5.2.2 Hydraulic Limited-Use/Limited-Application Elevators
Bottom and top clearances and runbys for cars and counterweights shall conform to Section 3.4, except as follows:
(b) Requirement22.214.171.124 does not apply. The bottom car runby shall not be less than 50 mm (2 in.).
Upon the parting of the suspension ropes, the safeties shall apply without appreciable delay and their application shall be independent of the location of the break in the ropes and shall be permitted to be accomplished by the use of restrained compression springs or by the action of gravity, or by both, or by positive mechanical means.