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�My6ui ldi ngPermit.com <br /> a service of eCityGov.net Construction Tip Sheet 05 <br /> Basic Deck <br /> This tip sheet reflects code requirements of the 2018 International Residential Code (IRC) with <br /> Washington State Amendments. <br /> Typical Deck <br /> This document provides building code information applicable to prescriptive residential wood <br /> deck design. You may need to hire a licensed architect or engineer to design a deck where any of <br /> the following conditions apply: <br /> • The deck serves other than a one- or two-family dwelling building <br /> • The deck design includes more than one level <br /> • The deck will support a hot tub, spa or other heavy object, including heavy deck covering (such <br /> as pavers) <br /> • The walking surface is more than 14 feet above grade <br /> • The deck ledger is attached to house overhangs, bay windows, bricks, stone, or concrete block <br /> • The deck is bearing on ground with a slope greater than 1 foot horizontal for every 1 foot <br /> vertical <br /> • The deck is self-supporting (not attached to an exterior wall) <br /> Ledger <br /> See Detail t:cr ledger <br /> porinect on ccaors. <br /> Joist Hanger <br /> Joist <br /> Decking <br /> Vonfy span rat'ngs of <br /> proposed docking. <br /> Joist Overhang'\ <br /> 24'maximum. <br /> See Page 6 <br /> F �� for Ledger <br /> Sels�Spacing e omu9 �� Attachment <br /> fooling schedule. / <br /> s � <br /> t /r <br /> Post Y Joist Span <br /> axe min.up to 8'•0'height .1. See span IaD:o. <br /> 5x6 min.up to 10'•0'hoight <br /> Beam <br /> Non-corrosive metal Sec span table. <br /> posVbeam connector Note:Guards are <br /> required when the deck <br /> Continuous solid blocking walking surface is more Footing <br /> between joists than 30"above rade. Soo span ram and <br /> 9 fooling scneds°ute. <br /> Beam Overhang <br /> 24"maximum <br /> January 14,2022 MyBuildingPermit.com I Basic Deck <br /> eCityGov.net <br /> Nos eM Grn:illiance <br />