Section 408.7041. Machinery spaces, machine rooms, control spaces, and control rooms.

Rule 41. Sections 3.7 and 3.7.1 of the ASME A17.1 code is amended to read as follows:

3.7.    A machinery space outside the hoistway containing a hydraulic machine and an elevator controller shall be a machine room. The hydraulic machine shall be located in a machine space within the elevator hoistway or outside the hoistway in an elevator machine room.  The elevator controller shall be accessible only from a machine room, control room, or hoistway.

3.7.1.    Hydraulic machines, control equipment, sheaves, and other machinery shall not be exposed to the weather.  Machine room, control room, and machinery-space enclosures shall conform to the requirements of sections 2.7.1 to 2.7.7 and 2.7.9 of the ASME A17.1 code and the following:

Machine rooms and control rooms shall be located at a hoistway landing associated with the equipment within the room.  Elevator machine and control rooms may be located overhead, adjacent to, underneath the hoistway, or at a remote location. The entrance to

the machine room or control room shall be not more than 25 feet, clear unobstructed walking pathway from the elevator hoistway door. The distance from the machine room door to the hoistway door may be over 25 feet when the machine room is located directly above the hoistway in a conventional layout. Pit and hoistway access doors shall not be for direct access between a hoistway enclosure and machine room or control room.

Elevators installed without a machine room or control room shall locate the required disconnecting means in a single machinery space or control space outside the hoistway located within 25 feet clear unobstructed walking pathway of the elevator hoistway door, inspection and test panel, and at the same hoistway landing.

The disconnecting means shall be located in a single dedicated space, or dedicated room intended with or without full body entry, and shall be secured so only the elevator journeyperson or other qualified personnel may gain access.

Access to machine rooms, control rooms, machine spaces, or control spaces shall not be through restrooms, lavatories, locker rooms, or associated vestibules. Where enclosed ceilings are required or provided they shall be of a solid type with no access panels. Drop type ceilings shall not be permitted. Machine rooms, control rooms, machinery spaces, and control spaces shall not be used as a pass through or for access to other areas. Building access panels or doors are prohibited in these areas.

History: 2003 AACS; 2010 AACS; 2014 AACS.