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§ 15-28-250 — Safety clearances

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 15-28-250

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15-28-250 Safety clearances.

Nitromethane. Outside drum storage areas, if not equipped with a deluge-type automatic sprinkler system, shall be located in the following minimum distances from any building, combustible storage in the open, flammable liquid storage, lot line or public way: Weight (Pounds) | Distance (Feet) 2,000 | 100 2,001 – 10,000 | 200 10,001 – 20,000 | 300 20,001 – 40,000 | 400 40,001 – 80,000 | 500 In no case shall a safety clearance of less than 500 feet be provided to any lot line of any plot of ground on which is situated a school, institutional, assembly or open air assembly building. It shall be permissible to store nitromethane in underground tanks meeting the requirements of Section 15-24-280 or in aboveground tanks meeting the requirements of Section 15-24-170 and barricaded in accordance with the requirements of Section 15-20-140. However, in no case shall a clearance of less than 500 feet be provided to any lot line of any plot of ground on which is situated a school, institutional, assembly or open air assembly building. (Prior code § 92-20)