CHAPTER 4 VENTILATION - iccsafe.org

CHAPTER 4 VENTILATIONSECTION CHAPTER shall govern the VENTILATION ofspaces within a building intended to be occupied. This chapterdoes not govern the requirements for smoke control principles specified in ASHRAE Standard 62-2001 maybe used as an alternate to this CHAPTER to demonstrate compli-ance with required VENTILATION air for VENTILATION occupied space shall beventilated by natural means in accordance with CHAPTER 12 oftheBuilding Codeor by mechanical means in accordance withSection When shall be provided during theperiods that the room or space is Opening air exhaust and intake open-ings shall be located a minimum of 10 feet (3048 mm) from lotlines or buildings on the same lot. Where openings front on astreet or public way, the distance shall be measured to the cen-terline of the street or public :1. Group Exhaust outlets for environmental air exhaust open-ings shall be located not less than 3 feet (914 mm)from property lines and not less than 3 feet (914 mm)from openings into the Intake and gravity outdoorair intake openings shall be located a minimum of 10 feet(3048 mm) horizontally from any hazardous or noxiouscontaminant source, such as vents, chimneys, plumbingvents, streets, alleys, parking lots, gas meters and loadingdocks, except as otherwise specified in this code .

ventilation 2007 oregon mechanical specialty code 33 table 403.3 required outdoor ventilation air occupancy classification estimated maximum occupant load,

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