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�MyBuildingPermit.com '/MyBui[dingPermit.com <br /> a service of eCityGov.net Construction Tip Sheet 10 a service of eCityGov.net Construction Tip Sheet 10 <br /> Residential Emergency Egress Openings Window Wells in conjunction with Emergency Escape and Rescue Openings <br /> This Tip Sheet reflects code requirements of the 2018 International Residential Code(IRC)with ❑ The horizontal area of the window well shall be not less than 9 square feet,with a horizontal <br /> Washington State Amendments. projection and width not less than 36 inches.The area of the window well shall allow the <br /> Emergency Escape and Rescue Opening emergency escape and rescue opening to be fully opened.(R310.3.2) <br /> ❑ Basements,habitable attics and every sleeping room shall have not less than one operable ❑ Window wells with a vertical depth greater than 44 inches shall be equipped with a permanently <br /> emergency escape and rescue opening.Where basements contain one or more sleeping affixed ladder or steps useable with the emergency escape and rescue opening in the fully <br /> rooms,an emergency escape and rescue opening shall be required in each sleeping room. opened position and shall not encroach into the required dimensions of the window well. <br /> Emergency escape and rescue openings shall be operational from the inside without the use of (R310.3.2.2) <br /> keys,tools,or special knowledge,and open directly into a public way,or to a yard or court that ❑ Ladder rungs or steps shall have an inside width of not less than 12 inches,shall project not <br /> opens to a publicway.(R310.1) less than 3 inches from the wall,and be spaced not more than 18 inches on center vertically for <br /> ❑ Where bars,grilles,covers,screens,or opening control devices are placed on emergency the full height of the window well.(R310.3.2.2) <br /> escape and rescue openings,area or window wells,the minimum net clear opening sizes shall i <br /> comply and such devices shall be releasable or removable from the inside without the use of <br /> i 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 /> (30'If on grade Door) �� �i Minimum 36'x36" <br /> 20 inches clear I i <br /> Opening width <br /> H Min 3'projection <br /> from we <br /> Minimum 5.7 square feet ' Max 18'O.C. <br /> c — —r <br /> net clear opening area ,• y e a c c i <br /> t € 5 Max 18'O.C. `0 <br /> Openings at the c S F —A. — $ <br /> grade floor may \ n Min 3'pro ection <br /> be reduced to v$ L $ m from wall ) <br /> 5 square feet ; c ' t, a I <br /> Max 6'encroach into <br /> Minimum 36"x36" required window well <br /> Y I I dimension <br /> Minimum size window Minimum size window <br /> for 20 inches clear t E v for 24 inches clear <br /> opening width .9 E opening height <br /> x.E <br /> cue <br /> i <br /> I <br /> Floor <br /> January 24,2021 MyBuildingPennitcom I Residential Emergency Egress Openings 1 January 24,2021 MyBuildingPermitcom I Residential Emergency Egress Openings 2 <br /> ,CityGovnet / <br /> xa5-eotc- — eCityGovnet <br />