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// CODE SNIPPET

501.3.2 Exhaust Opening Protection

Mechanical Code 2015 of Utah > 5 Exhaust Systems > 501 General > 501.3 Exhaust Discharge > 501.3.2 Exhaust Opening Protection
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Exhaust openings that terminate outdoors shall be protected with corrosionresistant screens, louvers or grilles. Openings in screens, louvers and grilles shall be sized not less than 1/4 inch (6.4 mm) and not larger than 1/2 inch (12.7 mm). Openings shall be protected against local weather conditions. Louvers that protect exhaust openings in structures located in hurricane-prone regions, as defined in the International Building Code, shall comply with AMCA Standard 550.Outdoor openings located in exterior walls shall meet the provisions for exterior wall opening protectives in accordance with the International Building Code.
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501.3.2 Exhaust Systems, Exhaust opening protection
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