D.C. Mun. Regs. tit. 22, r. 22-B3241
Each elevator shall be designed, constructed, maintained, and inspected in accordance with the 1996 NFPA National Elevator Code, and all other applicable District laws and regulations.
An electric or electrohydraulic elevator shall be installed in the facility if either a resident's bedroom or other resident area is located on a floor above the street level.
The facility shall have at a minimum one elevator large enough to accommodate a wheeled stretcher.
Each car door or non-hospital type elevator shall have a minimum clear opening of thirty-two (32") inches.
Each elevator car floor shall stop automatically flush with each floor level.
Each elevator shall be equipped with a by-pass switch in order to enable emergency express use.
The number of elevators in the facility shall be determined by an elevator needs study submitted by the owner of a nursing facility to be approved by the Director, and shall be provided in accordance with the latest edition of the "Guidelines for Construction and Equipment of Hospitals and Medical Facilities," published by the American Institute of Architects.
Each elevator shall be timed to allow safe entrance and exit of residents.
D.C. Mun. Regs. tit. 22, r. 22-B3241