PART D - REGULATIONS FOR EXISTING ELEVATORS, STANDARD APPLICATION MATERIAL LIFTS, DUMBWAITERS, AND ESCALATORS
NOTE:
This part provides the minimum requirements for existing conveyances. Application of Part D rules apply where a conveyance was not provided, or required to be provided, with a device or system when originally installed or altered. Where Part D does not cover a particular device or system, refer to ASME A17.3.