524 Mass. Reg. 6.1
Add a section:
6.1.2.2 Escalator rooms shall be ventilated but venting need not be directly to the outside of the building.
6.1.7 Lighting, Access, and Electrical Work
6.1.7.3.2 Add after the first sentence:
All access doors and side access panels shall be electrically contacted and render the escalator inoperative when open.
6.1.7.3.3 Delete the final sentence and replace with:
The key shall be of Group 1 Security (see 8.1). The key to side access panels shall be restricted to licensed elevator mechanics only.
6.1.7.4 Electrical Equipment and Wiring
6.1.7.4.1 Add a final sentence:
A fused disconnect switch or circuit breaker shall be installed and connected into the power supply line of each escalator. Disconnect switches or circuit breakers shall be of the manually closed multi-pole type and be located with the upper machinery space of the escalator. Where circuit breakers are used as a disconnecting means, they shall not be of the instantaneous type and shall not be opened automatically by a fire alarm system.
524 CMR 6.1