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For SI:1 inch=25.4 mm,1 foot=304.8 mm,1 pound per square foot=0.0479 kPa,1 pound=0.454 kg. <br /> a.Interpolation allowed.Extrapolation is not allowed. <br /> b.Beams supporting a single span of joists with or without cantilever. <br /> c.Dead load=10 psf,till=360 at main span,till=180 at cantilever.Snow load not assumed to be concurrent with live load. <br /> d.No.2 grade,wet service factor included. <br /> e.Beam depth shall be equal to or greater than the depth of intersecting joist for a flush beam connection. <br /> f.Beam cantilevers are limited to the adjacent beam's span divided by 4. <br /> g.Includes incising factor. <br /> h.Incising factor not included. <br /> i.Deck joist span as shown in Figure R507.5. <br /> TABLE R507.5(3) <br /> MAXIMUM DECK BEAM SPAN-70 PSF LIVE LOAD <br /> ( o ( G <br /> I <br />