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x <br /> 11 ii4 <br /> • • <br /> IMyBuildingPermit.com <br /> a service of eCityGov.net Construction Tip Sheet 05 <br /> Maximum Deck Post Heig <br /> Tributary Area e <br /> Post 6 40 60 80 1 :l 120 140 160 <br /> Size c,d Maximum Deck P.. eight a(feet-inches) <br /> 4x4 10-0 10-0 8-7 =0 5-8 4-1 NP NP <br /> 4x6 14-0 13-10 - 9-5 8-2 7-3 6-4 5-4 <br /> 6x6 14-0 14-0 4-0 14-0 14-0 13-3 10-9 6-11 <br /> 8x8 14-0 14-! , 14-0 1 ,-: 14-0 14-0 14-0 14-0 <br /> a. Measured from t - nderside of the beam to t. .f footing. <br /> b. Based on D... Fir, Hem Fir and Spruce-Pine-Fir, . grade, wet service factor. <br /> c. Notche. .eck posts shall be sized to accommodate beam e. <br /> d. In ..es incising factor. <br /> e. Area, in square feet, of deck surface supported by post and footing. <br /> Footing Size a <br /> Diameter of a <br /> Tributary Area b Side of Square Round Footing Thickness <br /> Footing (inches) (inches) (inches) <br /> 5 7 8 6 <br /> 20 12 14 6 <br /> 40 18 20 6 <br /> 60 21 24 8 <br /> 80 25 28 9 <br /> 100 28 31 11 <br /> 120 30 34 12 <br /> 140 33 37 13 <br /> 160 35 40 15 <br /> a. Footing dimensions shall allow complete bearing of the post. <br /> b. Area, in square feet, of deck surface supported by post and footings. <br /> 12"min.frost depth Manufactured post connector Typical P.T.post <br /> In allowable soils <br /> 12" <br /> Grade r+, t1'�1' ,, �_ <br /> -III II4II-11F ,--III,-III,,-III,.--; VIII III .• : III-III-111 III II-III I-11 <br /> a °. <br /> Thickness a ° . . • <br /> per Table <br /> Width 1/2"diameter - - %!=� lr:.AP: <br /> Note:Posts must be J per 4 through-bolts In both <br /> centered on or In footing Table directions 4"gravel �—Min.12"of <br /> embedment <br /> Note:not screws <br /> January 14,2022 MyBuildingPermit.com I Basic Deck <br /> 3 I I I y '"'eCityGov.net <br /> 405 @eCKyGoAlliance <br />