The following amendments, additions, and deletions are hereby made to the International Mechanical Code (IMC) adopted by this Subtitle, and the provisions set out in this Subdivision shall be deemed to supersede the text of the IMC where the provisions of this Subtitle are interpreted.

NFPA 90A 6.2 - A single point master shutoff switch shall be provided for the fire department which is capable of shutting down all air handling equipment to prevent the spread of smoke through the building. The switch shall be located at the entrance, inside lobby, near fire alarm annunciator or in fire control room where one present.