PROCESSING (15-24-510 et seq.)

Municipal Code of Chicago tit. 15, ch. 15-24, art. V

in effect

Municipal Code of Chicago § 15-24-510 Room ventilation.

15-24-510 Room ventilation. All rooms in which Class I flammable liquids are used in open vats, pans or other vessels, or in which any flammable liquids are heated or otherwise treated in such a manner as to produce flammable vapor, shall be ventilated as hereinafter provided. There shall be a vent opening in the wall at the floorline near each open receptacle and each heating device containing such liquid. Such vent openings shall have a net cross- sectional area of not less than 32 square inches and shall be protected with one-half-inch mesh No. 16 wire. When such vent openings are not located in the outside wall of the building or room, there shall be a noncombustible vent flue built into the wall or floor or securely fastened thereto and so arranged as not to be subject to mechanical injury. Such vent flue shall conduct to and pass through an exhaust fan, which shall run continuously while the room is in use, and which shall be sufficient capacity to change the air in the room completely in not more than five minutes. All discharge outlets of such vent flues shall be provided with noncorrodible wire screen and shall be so located that they are not nearer than ten feet vertically or five feet horizontally from any door or window opening. (Prior code § 129.1-43)

Municipal Code of Chicago § 15-24-520 Kettles, vats, vessels.

15-24-520 Kettles, vats, vessels. Kettles, vats, saturators and other vessels used in manufacturing processes and which have a capacity of more than five gallons of flammable liquids shall not be located within five feet of combustible material, nor within five feet of any exit. All combustible floors within ten feet of such containers shall be protected with a noncombustible covering. All kettles and other open containers shall be provided with substantial covers arranged to close automatically by heat-actuated devices, or shall be provided with an alternative automatic fire extinguishing system in accordance with Chapter 14B-9. (Prior code § 129.1-44; Amend Coun. J. 10-7-20, p. 21791, Art. VI, § 37)

Municipal Code of Chicago § 15-24-530 Distilling and condensing plants.

15-24-530 Distilling and condensing plants. (a) Except as otherwise provided in Section 15-24-540 or in subsection (b) of this section, all distilling and condensing plants classified as Group H occupancies shall have a clearance of not less than 300 feet in reference to any building or lot line. (b) Buildings, or parts thereof, used to distill ethyl alcohol, either as a primary or auxiliary use, shall have either (1) a clearance of not less than 300 feet in reference to any building or lot line, or (2) at least a four-hour fire-resistive separation to all other uses and adjacent properties. In addition, all flammable liquid storage and any dust producing operations shall comply with all applicable city requirements. (Prior code § 129.1-45; Amend Coun. J. 10-28-15, p. 11951, Art. X, § 14; Amend Coun. J. 10-7-20, p. 21791, Art. VI, § 38)

Municipal Code of Chicago § 15-24-540 Reclaiming systems.

15-24-540 Reclaiming systems. Nothing in the building provisions of this Code shall be construed prohibiting the use of flammable liquid reclaimers or recovery systems, the capacity of which is less than ten gallons per hour and which equipment shall not heat the liquid above 500 degrees Fahrenheit, and which shall have no open flame. Such devices shall be arranged so that all gasoline or kerosene and similar vapor which are removed from the oil, shall be condensed and collected in a closed vaportight container. (Prior code § 129.1-46)

Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2678508Fetched: 10/24/2026