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Check and gate valve required.

Municipal Code of Chicago § 18-29-712.2
in effect
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18-29-712.2 Check and gate valve required. A gate valve located on the discharge side of the check valve shall be installed in the pump or ejector discharge piping between the pump or ejector and the gravity drainage system. Access shall be provided to such valves. Such valves shall be located above the sump cover required by Section 18-29-712.1 or, when the discharge pipe from the ejector is below grade, the valves shall be accessibly located outside the sump below grade in an access pit with a removable access cover. (Amend Coun. J. 6-17-26, p. 45214, Art. IV, § 62)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2692226Fetched: 10/24/2026

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