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' Prescriptive Residential Wood Deck Construction Guide -Appendix A3 <br /> Figure 62. Joist Length and Overhang. Beam Overhang Length,Bo <br /> The length of the beam overhang is measured from the <br /> outside edge of the deck to the centerline of the nearest <br /> **sift wall <br /> Joist post. See Figure B3. If a center post or footing is being <br /> considered or no overhang exists,zero is entered into the <br /> ift,-,sfirsz2 werocor—.P..44 vets*ro---.. ii•,...-.=.4 i••-• t••-isotti 10-74S000-Msit <br /> YM , fi st equation B-1 or B-2 for Bo. <br /> dirt Jo <br /> it i W <br /> ots "t•YY •er <br /> ledger board <br /> IA . Figure B3. Beam Span and Overhang Length. <br /> i <br /> v--jots <br /> iy Y <br /> ' ? i <br /> post <br /> Jo- beam Jt. <br /> Beam Span Length,B1, <br /> The beam span is measured.from either centerline of Efo. . ,... <br /> post to centerline of post, if there are overhangs,or to • <br /> the outside edges of the deck,if there are no overhangs. <br /> For posts or footings being considered with two unequal, Post and Footings Size <br /> adjacent beam spans,the greater span shall be used. See As an alternative to Table 4 of DCA 6,the post height <br /> Figure B3. and footing size may be in accordance with Tables B1 <br /> through B3. <br /> I r- WAL,(- American Wood Council <br />