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SAFETY GLAZING: <br />4. IRC Section R308.4 & Table <br />surface of the glass is less than 60 inches <br /> <br />R308.3 All glass located in an area considered (1524 mm) above the nose of the tread. <br />hazardous must be safety glazed: Exceptions: Guardrail or handrail complies with <br /> <br />R312 and the glass is more than 18” from the <br /> <br />1. Glazing in swinging doors except jalousies. <br />railing, or a solid wall or panel extends 34” to <br />2. Glazing in fixed and sliding panels of sliding door <br />36” above walking surface and top of wall can <br />assemblies and panels in sliding and bifold closet <br />withstand same forces as a guard. <br /> <br />door assemblies. <br />NATURAL LIGHT & VENTILATION HCC <br />5. 5- <br /> <br />3. Glazing in storm doors. <br />71 Sec 310.3.5. All habitable rooms shall be <br /> <br />4. Glazing in all unframed swinging doors. <br />provided with aggregate-glazing area of not <br />5. Glazing in doors and enclosures for hot tubs, <br />less than ten percent (10%) of the floor area of <br />whirlpools, saunas, steam rooms, bathtubs and <br />such rooms, except for rooms which have <br />showers. Glazing in any part of a building wall <br />artificial light capable of average illumination of <br />enclosing these compartments where the bottom <br />6 foot-candles at a height of 30” above floor <br />exposed edge of the glazing is less than 60 inches <br />level. An adjoining room may be considered <br />(1524 mm) measured vertically above any <br />under certain conditions of R303.2. Ventilation <br /> <br />standing or walking surface. <br />shall be provided by openings of not less than <br />6. Glazing, in an individual fixed or operable panel <br />five percent (5%) (5 sq. ft. min.) f the floor area <br />adjacent to a door where the nearest vertical edge <br />or whole house ventilation systems designed <br />is within a 24-inch (610 mm) arc of the door in a <br />and installed as specified in Sections M1507 or <br />closed position and whose bottom edge is less <br />310.3.5(c). Bathrooms, water closet <br />than 60 inches (1524 mm) above the floor or <br />compartments, laundry rooms and similar rooms <br /> <br />walking surface. <br />shall be provided with natural ventilation by <br />7. Glazing in an individual fixed or operable panel, <br />means of openable exterior openings not less <br />other than those locations described in Items 5 <br />than 1-1/2 square feet. See Items 90-97. <br />and 6 above, that meets all of the following <br /> <br /> <br />conditions: <br />EXHAUST FANS: <br />6. IRC Section M1507, Source <br />7.1. Exposed area of an individual pane larger than 9 <br />specific exhaust ventilation is required in each <br />2 <br /> <br />square feet (0.836 m). <br />kitchen, bathroom, water closet, laundry room, <br />7.2. Bottom edge less than 18 inches (457 mm) above <br />indoor swimming pool, spa, and other rooms where <br /> <br />the floor. <br />water vapor or cooking odor is produced. Exhaust <br />7.3. Top edge more than 36 inches (914 mm) above <br />fans providing source specific ventilation shall have <br /> <br />the floor. <br />a minimum fan flow rating not less than 50 cfm at <br />7.4. One or more walking surfaces within 36 inches <br />0.25 inches water gauge for bathrooms, laundries, <br /> <br />(914 mm) horizontally of the glazing. <br />or similar rooms and 100 cfm at 0.25 inches water <br />8. All glazing in railings regardless of an area or <br />gauge for kitchens. The air removed by every <br />height above a walking surface. Included are <br />mechanical exhaust system shall be discharged <br />structural baluster panels and nonstructural infill <br />outdoors. Air shall not be exhausted into an attic, <br /> <br />panels. <br />soffit, ridge vent, or crawl space. <br />9. Glazing in walls and fences enclosing indoor and <br /> <br />CLOTHES DRYERS: <br />7. IRC Sections M1502, <br />outdoor swimming pools, hot tubs and spas where <br />439.3 & G2439.5. Clothes dryer exhaust <br />the bottom edge of the glazing is less than 60 <br />ducts shall terminate outside the building at least <br />inches (1524 mm) above a walking surface and <br />3 feet away from any openings and be equipped <br />within 60 inches (1524 mm) horizontally of the <br />with a backdraft damper. Exhaust ducts shall <br />water’s edge. This shall apply to single glazing and <br />be constructed of minimum 0.016-inch-thick <br /> <br />all panes in multiple glazing. <br />rigid metal ducts, having smooth interior surfaces <br />10. Glazing adjacent to stairways, landings and ramps <br />with joints running in the direction of air flow. Ducts <br />within 36 inches (914 mm) horizontally of a <br />shall not be connected with sheet metal screws or <br />walking surface when the exposed surface of the <br />other fasteners which could obstruct the flow. <br />glass is less than 60 inches (1524 mm) above the <br />Exhaust ducts shall be supported at 4’ <br /> <br />plane of the adjacent walking surface. <br />intervals and secured in place. (UL <br />Approved <br />11. Glazing adjacent to stairways within 60 inches <br />2158A) <br />transition duct of not more than 8’ in <br />(1524 mm) horizontally of the bottom tread of a <br />length may be used within a dwelling, provided <br />stairway in any direction when the exposed <br />The County of Hawai‘i is an Equal Opportunity Provider and Employer <br /> <br /> <br />101 Pauahi Street, Suite 107 74-5044 Ane Keohoklole Hwy <br />ā <br />Hilo, Hawai‘i 96720 Kailua-Kona, Hawai’i 96740 <br /> <br />Tel: (808) 961-8331 Page 6 Tel: (808) 323-4720 <br /> <br />