Laserfiche WebLink
10 PRESCRIPTIVE RESIDENTIAL WOOD DECK CONSTRUCTION GUIDE <br /> • <br /> POST REQUIREMENTS Figure 8B. Alternate Approved Post-to-Beam <br /> All deck post sizes shall be 6x6(nominal)or larger,and Post Cap Attachment. <br /> the maximum height shall be in accordance with Table 4 <br /> Solid sawn or <br /> and measured from grade or top of foundation, ---- ---,-- multi-ply beam <br /> ......,_____, - <br /> whichever is highest,to the underside of the beam. ---______ ----z------- . <br /> Under prescriptive limits of this document,8x8 nominal - <br /> posts can be substituted anywhere in Table 4 but are <br /> limited to a maximum height of 141-0 . Posts shall be <br /> iIs' <br /> centered on footings. Cut ends and notches of posts shall <br /> igbe field treated with an approved preservative(such as ? I .• <br /> copper naphthenate) [R402.1.2].The beam shall be <br /> 6x6 min. -- 0,....... ... °I <br /> attached to the post by notching as shown in Figure 8A -'.......1 <br /> post 1 N <br /> or by providing an approved post cal)to connect the 11/41, <br /> beam and post as shown in Figure 8B.All 3-ply beams <br /> shall be connected to the post by a post cap.All through- <br /> bolts shall have washers under the bolt head and nut, . <br /> / <br /> Attachment of the beam to the side of the post without <br /> notching is prohibited(see Figure 9). Figure 9. Prohibited Post-to-Beam Attachment <br /> Condition. <br /> Provide diagonal bracing parallel to the beam at each <br /> corner post greater than 2'-0" in height as shown in • <br /> Figure 10. Diagonal bracing is prohibited on center <br /> posts. Bracing shall be fastened to the post at one end <br /> and the beam at the other with 1/2" diameter lag screws. <br /> For non-ledger decks,(see Figure 21)diagonal bracing sommuw <br /> - <br /> Nallifi Through-tits, ,,,tez... .,,.rto tows wi <br /> may be omitted at the beam and posts adjacent to the ...-- .,Ire taipsepinsta or fasteners only is..prohbited. <br /> Irer <br /> house. ri nails. Bearing isliStritV4,•*0 <br /> !tiara M, <br /> Figure 8A. Post-to-Beam Attachment ' it <br /> Requirements. <br /> V4arnOter <br /> ottottz*or 4‘. . I <br /> through bolts <br /> nominal or doublei WO washers <br /> r nominal dew w wig!Wall ar <br /> kikilVilli ‘5" <br /> 3:.“•mist :— Figure 10. Diagonal Bracing. <br /> wittily on ............-- . <br /> notched 6x6 0 <br /> :k--: --'.5:';--'''--',W-' '-- <br /> -''''''''"-"' 4t' Iiii <br /> 4 t at at a as <br /> zi <br /> WO . ,.. <br /> A ,IP. <br /> if <br /> t • i Iiiil _.2'., <br /> i i 11 2x4/„. =.,,-; (Iyiir own: <br /> II <br /> me le ,)A , tauocrowvith y. <br /> 4 <br /> washers,typical <br /> Typical Post At Splice <br /> DIAGONAL BRACING PARALLEL TO BEAM <br /> Note:Diagonal Bradt%is prohibited on-center posts. <br /> XAmerican Wood Council <br />