18-28-502.6.2 Limited spraying spaces.
   Positive mechanical ventilation which provided a minimum of six complete air changes per hour shall be installed in limited spraying spaces. Such system shall meet the requirements of the Chicago Fire Prevention Code for handling flammable vapors. Explosion venting is not required.
(Amend Coun. J. 9-14-21, p. 35949, Art. V, § 4)