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iv\yBuildingPermit.com <br /> a service of eCityGov.net Construction Tip Sheet 05 <br /> Maximum Deck Post Height <br /> Tributary Area e <br /> Post 20 40 60 80 1 100 120 140 , 160 <br /> Size c,d Maximum Deck Post Height a(feet-inches) <br /> 4x4 10-0 10-0 8-7 7-0 5-8 4-1 NP NP <br /> 4x6 14-0 13-10 11-1 9-5 8-2 7-3 6-4 5-4 <br /> 6x6 14-0 14-0 14-0 14-0 14-0 13-3 10-9 6-11 <br /> 8x8 14-0 14-0 14-0 14-0 14-0 14-0 14-0 14-0 <br /> a. Measured from the underside of the beam to top of footing. <br /> b. Based on Doug Fir, Hem Fir and Spruce-Pine-Fir, No. 2 grade, wet service factor. <br /> c. Notched deck posts shall be sized to accommodate beam size. <br /> d. Includes 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 /> b Side of Square Thickness <br /> Tributary Area Footing (inches) Round Footing (inches) <br /> (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 1 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 <br /> In allowable soils Manufactured post connector Typical P.T.post <br /> • Grade t1"—x. �- i <br /> ITS �I-III-I - t l l—���-�I I— .�-���—��I—. f�-���-�1 I- I-���-III- ���- <br /> 111. _���—���-111 r111-111-111. f I I Il I I • , �111.11 l-111 ;111=1 I I-III ' I-I I <br /> Y <br /> Thickness , ° • _ ,: . <br /> 'N. <br /> per Table ° < <br /> Width I -4,--w =�=��i t <br /> Note:Posts must be �{' 1/2"diameter � �->_ <br /> through-bolts In both <br /> centered on or in footing per directions 4"gravel Min. d of <br /> Table embedment <br /> Note:not screws <br /> January 14,2022 MyBuildingPermit.com i Basic Deck <br /> -C yGov.net AI it� <br /> Fco7 L.CilyGc0.1ecc u <br />