Code of Massachusetts Regulations
524 CMR - BOARD OF ELEVATOR REGULATIONS
Title 524 CMR 29.00 - Stage, Orchestra, and Organ Console Equipment
Section 29.02 - Clearance and Pits

A pit shall be provided at the bottom of every hoistway of such depth that when the platform is at its lowest limit of travel, the distance between the lowest point of the underside of the platform framing, shall have a clear vertical distance between the underside of the car platform or between the underside of any equipment attached thereto, exclusive of the car frame channels, car safety blocks, guide shoes and any aprons or guards attached to the car sill, and the pit floor when the car rests on the fully compressed buffer shall not be less than two feet. In measuring this clearance, the depth of any trenches or depressions in the pit shall not be included.