No hazardous chemicals, as defined in Section 15-28-020, shall be used for any purpose in any room other than a hazardous chemical room constructed as required.
It shall be unlawful to store in any building more than ten pounds of metallic potassium, metallic sodium, phosphorous or sodium peroxide, or more than 20 pounds of aluminum powder or calcium phosphide, or more than 600 pounds of calcium carbide or more of any other such chemical or material than is determined by the fire commissioner to be a safe limit except in a hazardous chemical storage building or vault constructed as required in Chapter 15-28 of this Code. If stored in a vault, such chemicals shall be stored upon a platform or upon a shelf or shelves not less than one foot, six inches above the floor. No such chemical or material shall be stored or used in any building room or vault now existing or hereafter designed, erected, altered or converted, which is equipped with a sprinkler system or sprinkler heads.
(Prior code § 92-4; Amend Coun. J. 6-14-95, p. 2841; Amend Coun. J. 5-18-16, p. 24131, § 152)