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• . • . 0 <br /> ..;,4_i `e,, ,_ <br /> MyBuildingPermitcom <br /> a service of eCityGov.net Construction Tip Sheet 10 <br /> Residential Emergency Egress Openings <br /> This Tip Sheet reflects code requirements of the 2018 International Residential Code (IRC) with <br /> Washington State Amendments. <br /> Emergency Escape and Rescue Opening <br /> El Basements, habitable attics and every sleeping room shall have not less than one operable <br /> emergency escape and rescue opening. Where basements contain one or more sleeping <br /> rooms, an emergency escape and rescue opening shall be required in each sleeping room. <br /> Emergency escape and rescue openings shall be operational from the inside without the use of <br /> keys, tools, or special knowledge, and open directly into a public way, or to a yard or court that <br /> opens to a public way. (R310.1 ) <br /> ❑ Where bars, grilles, covers, screens, or opening control devices are placed on emergency <br /> escape and rescue openings, area or window wells, the minimum net clear opening sizes shall <br /> comply and such devices shall be releasable or removable from the inside without the use of <br /> key, tool, special knowledge, or force greater than that required for normal operation of the <br /> escape and rescue opening. (R310.4) <br /> 34 inches clear <br /> Opening width <br /> 20 inches clear <br /> 0"if on grade floor) <br /> Opening width <br /> Minimum 5.7 square feet .. �- <br /> net clear opening area ,g� <br /> } cua-i <br /> Openings at the r'- . . '* - ... . _.._ - - <br /> t ge <br /> gradefoorma , , ; • k <br /> be reduced to : `. -0;r •- -- c <br /> square feet '`. •. y 71: r. ,. . . CU <br /> 371, . : N : j / %., 'i 4,, <br /> = _= Minimum size window I Minimum size window <br /> . .�.� inches clear <br /> ..� for 20 � c c, for 24 inches clear <br /> opening width opening height <br /> -(,) Z i <br /> Floor . / <br /> 1 W 6 I <br /> R310.2.1 Minimum Opening Area <br /> Emergency escape and rescue openings shall have a net clear mit.eom I Residential Emergency Egress Openings 1 <br /> opening of not less than 5.7 square feet(0.530 m2).The net clear <br /> opening dimensions required by this section shall be obtained by • <br /> the normal operation of the emergency escape and rescue `'eCityGovnet <br /> -' <br /> opening from the inside.The net clear height of the opening shall 005 tt ecllyGaAliance <br /> be not less than 24 inches(610 mm)and the net clear width shall <br /> be not less than 20 inches(508 mm). <br /> R310.2.2 Window Sill Height <br /> Where a window is provided as the emergency escape and rescue <br /> opening,it shall have a sill height of not mare than 44 inches <br /> (1118 mm)above the floor;where the sill height is below grade,it <br /> shall be provided with a window well in accordance with Section 'N \ <br /> R310.2.3. <br />