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// CODE SNIPPET

502.4.5 Outdoor Air Intakes and Exhaust Openings

Energy Conservation Code 2009 of South Carolina > 5 Commercial Energy Efficiency > 502 Building Envelope Requirements > 502.4 Air Leakage (Mandatory) > 502.4.5 Outdoor Air Intakes and Exhaust Openings
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Stair and elevator shaft vents and other outdoor air intakes and exhaust openings integral to the building envelope shall be equipped with not less than a Class I motorized, leakage-rated damper with a maximum leakage rate of 4 cfm per square foot (6.8 L/s • C m2) at 1.0 inch water gauge (w.g.) (1250 Pa) when tested in accordance with AMCA 500D.
Exception: Gravity (nonmotorized) dampers are permitted to be used in buildings less than three stories in height above grade.

Related Code Sections


502.4.5 Commercial Energy Efficiency, Outdoor Air Intakes and Exhaust Openings
Stair and elevator shaft vents and other outdoor air intakes and exhaust openings integral to the building envelope shall be equipped with not less ...
Energy Conservation Code 2009 of South Carolina > 5 Commercial Energy Efficiency > 502 Building Envelope Requirements > 502.4 Air Leakage (Mandatory) > 502.4.5 Outdoor Air Intakes and Exhaust Openings
R303.6 Building Planning, Outside Opening Protection
Air exhaust and intake openings that terminate outdoors shall be protected with corrosion-resistant screens, louvers or grilles having an opening ...
2015 South Carolina Residential Code > 3 Building Planning > R303 Light, Ventilation and Heating > R303.6 Outside Opening Protection
R303.6 Building Planning, Outside Opening Protection
Air exhaust and intake openings that terminate outdoors shall be protected with corrosion-resistant screens, louvers or grilles having an opening ...
2018 South Carolina Residential Code > 3 Building Planning > R303 Light, Ventilation and Heating > R303.6 Outside Opening Protection
R303.5.1 Building Planning, Intake Openings
Mechanical and gravity outdoor air intake openings shall be located not less than 10 feet (3048 mm) from any hazardous or noxious contaminant ...
2015 South Carolina Residential Code > 3 Building Planning > R303 Light, Ventilation and Heating > R303.5 Opening Location > R303.5.1 Intake Openings
R303.5.1 Building Planning, Intake Openings
Mechanical and gravity outdoor air intake openings shall be located not less than 10 feet (3048 mm) from any hazardous or noxious contaminant ...
2018 South Carolina Residential Code > 3 Building Planning > R303 Light, Ventilation and Heating > R303.5 Opening Location > R303.5.1 Intake Openings
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