// CODE SNIPPET
506.3.1.2 Makeup Air Ducts
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Makeup air ducts connecting to or within 18 inches (457 mm) of a Type I hood shall be constructed and installed in accordance with Sections 603.1, 603.3, 603.4, 603.9, 603.10 and 603.12. Duct insulation installed within 18 inches (457 mm) of a Type I hood shall be noncombustible or shall be listed for the application.
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506.3.1.2 Exhaust Systems, Makeup Air Ducts
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