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clear operable width of 20" and minimum net clear operable height of 24". <br />Grade floor openings may have a minimum net clear opening of 5 sq ft. - <br />I RC R310 <br />A10. The operable window area in bathrooms, water closet compartments, <br />and other similar rooms shall not be less than 3 sq ft unless a mechanical <br />ventilation system capable of producing 50 cfm for intermittent operation <br />or 20 cfm for continuous operation is provided. Ventilation air shall be <br />exhausted directly to the outside. -IRC R303.3 <br />A11. Required windows shall open directly onto a street, public alley, or <br />through an open porch with a minimum 7 ft ceiling height. -IRC R303.9 <br />Al2. Glazing used in doors and panels of showers and bathtub enclosures <br />and walls enclosing these compartments shall be tempered. -IRC Table <br />R308.4. <br />A13. Tempered glass shall be provided in: Frameless glass doors, glass in <br />doors, glass within a 24" arch of doors, glazing less than 60" above a <br />walking surface that is within 5 ft of stairs, or glazing within 5 ft of spas or <br />pools, certain fixed glass panels, and similar glazed openings subject to <br />human impact. -IRC R308. <br />A14. Show not less than 1/2 inch gypsum board on the garage side of the <br />wall and 5/8 "types X on ceiling separating a garage and a dwelling. <br />Where the separation is a floor -ceiling assembly, the assembly and the <br />structure supporting the separation shall be protected with not less than <br />5/8 inch type X gypsum board on the ceiling. —IRC R302.6 <br />A15. Doors leading from dwellings to the garage shall be 1-3/8" thick solid <br />core or 20 minute rated and must be labeled self-closing and latching On <br />plans. Doors shall not open into a sleeping room. —IRC R302.5.1 <br />A16. Carports not open on at least two sides shall be considered a garage <br />and shall comply with the fire separation requirements of a garage. -IRC <br />R309.2 <br />A17. If the property is in the Old Town Overlay, provide a table showing <br />compliance with the Roof Pitch requirement. <br />A18. Stairways shall not be less than 36 inches in clear width at all points <br />above the permitted handrail height. Handrails shall not project more than <br />4.5 inches on either side. —IRC 311.7.1 <br />Page 7 of 21 <br />