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§ 15-24-450 — Test for piping

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 15-24-450

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15-24-450 Test for piping.

Test for Pipe. All standard full weight wrought iron, steel, stainless steel, brass type pipe, Type K copper tube or copper pipe and fittings shall be tested hydrostatically utilizing water or air tested when installed to 100 psi. Extra heavy wrought steel pipe (ASTM Schedule 80) and fittings shall be tested hydrostatically utilizing water or air tested when installed to one and one-half times its maximum working pressure. The air test shall be held for ten minutes without any loss of pressure. Suction lines may be tested under a vacuum of not less than 20 inches of mercury. Underground and enclosed tank vent pipes may be tested with said tank equal to tank pressure, and not less than five psi. (Prior code § 129.1-37)