This code applies to the planning, design, installation, maintenance and testing of emergency voice
communication (EVC) systems in buildings and sets out the requirements for the basic system.
Recommended procedures for the use of the system and other information of an advisory nature are
given in the Annexes.
Section 1 covers General requirements In Section 2, design considerations such as control station.
system designs and their operational requirements are covered. Section 3 covers installation and
maintenance requirements.