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, <br /> M� Buildin Permit.com <br /> Y ga service of eCityGovnet 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 Nix;t ror ledge <br /> wnnect+on options. <br /> Joist Hanger <br /> Joist <br /> Decking , t <br /> Verify span ratings of � �,0 �- <br /> proposed docking. <br /> Joist Overhang ��'�. %%f� �--, <br /> 24•maximum. <br /> -7-.7- <br /> ` f 4/i See Page 6 <br /> Joist Spacing F f'� ri~�►, for Ledger <br /> p 9 ) ,f :, Attachment <br /> sae table and is is'�'.. <br /> tooting sphedWa, A s:. <br /> Post NJoist Span' <br /> 4x4 min.up to 8"4"height ^� Sea span able. <br /> 5x8 min.up to IPA*height <br /> Beam <br /> Non-corrosive metal Soo span table, <br /> post/beam connector Note:Guards are <br /> required when the deck <br /> Continuous solid blocking walking surface is more Footing <br /> between joists than 30*above grade. See span tabs a nd <br /> tootiBeam Overhang <br /> 24"maximum <br /> January 14,2022 MyBuildingPermit.com I Basic Deck <br /> `- <br /> „,eseCityGovAet <br /> 20050eCtyGo fiance <br />