Transcription of CHAPTER 4 VENTILATION - iccsafe.org
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CHAPTER 4 VENTILATION - iccsafe.org
CHAPTER 4. VENTILATION . SECTION 401 TABLE OPENING SIZES IN LOUVERS, GRILLES AND SCREENS. GENERAL PROTECTING OUTDOOR EXHAUST AND AIR INTAKE OPENINGS. Scope. This CHAPTER shall govern the VENTILATION of MINIMUM AND MAXIMUM OPENING. spaces within a building intended to be occupied. This chap- SIZES IN LOUVERS, GRILLES. ter does not govern the requirements for smoke control sys- AND SCREENS MEASURED IN. OUTDOOR OPENING ANY DIRECTION. tems. Exhaust openings Not < 1/4 inch and not > 1/2 inch VENTILATION required. Every occupied space shall be Intake openings in residential Not < 1/4 inch and not > 1 / 2 inch ventilated by natural means in accordance with Section 402 occupancies Intake openings in other than or by mechanical means in accordance with Section 403. residential occupancies > 1/4 inch and not > 1 inch When required.
CHAPTER 4 VENTILATION SECTION 401 GENERAL ... heat, odors, fumes, spray, vapors, smoke or gases in such quantities as to be irritating or injurious to health shall be provided with an exhaust system ... the outdoors shall be 4 …
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