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• <br /> • <br /> R310.1 Emergency Escape and Rescue Opening Required <br /> Basements, habitable attics and every sleeping room shall have not less than one operable emergency <br /> escape and rescue opening.Where basements contain one or more sleeping rooms,an emergency <br /> escape and rescue opening shall be required in each sleeping room. Emergency escape and rescue <br /> openings shall open directly into a public way, or to a yard or court providing an unobstructed path with <br /> a width of not less than 36 inches (914 mm)that opens to a public way. <br /> R310.2.1 Minimum Opening Area <br /> Emergency escape and rescue openings shall have a net clear opening of not less than 5.7 square feet <br /> (0.530 m2).The net clear opening dimensions required by this section shall be obtained by the normal <br /> operation of the emergency escape and rescue opening from the inside.The net clear height of the <br /> opening shall be not less than 24 inches(610 mm) and the net clear width shall be not less than 20 <br /> inches(508 mm). <br /> R310.2.2 Window Sill Height <br /> Where a window is provided as the emergency escape and rescue opening, it shall have a sill height of <br /> not more than 44 inches(1118 mm) above the floor;where the sill height is below grade, it shall be <br /> provided with a window well in accordance with Section R310.2.3. <br /> 34 inches clear <br /> Opening width <br /> Istr 20 inches clear if grade flit* <br /> Opening width <br /> Minimum 6.7 square feet <br /> net clear opening area <br /> Openings at the 4 <br /> grade floor mayiii <br /> be reduced to k v <br /> 5 square feet • <br /> Minimum size window Minimum size window <br /> for 20 inches clear E E for 24 inches clear <br /> opening width E .5 opening height <br /> rai 3 <br /> Floor <br /> 1 <br /> 1 L p�ye <br /> r")'g7 R p�^� <br /> d ✓/ h 9a p g '� ��e @.r am <br />