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<br />VII.) Net Uplift <br /> <br />Stephens Home <br /> <br />Roof Deadloads: <br /> <br />(SBC Appendix A) <br /> <br />Elemenf >,,'. . . . ...... 'i Weight (psf) <br />..... .." i <br />Covering Fiberglass Shingles 2.0 <br />Sheathing 1/2" CD Plywood 1.6 <br />Framing Wood Trusses@24" o.c. 6.0 <br />Ceiling 1/2" Gypsum 2.2 <br /> <br />Total Roof Load = <br /> <br />11.8 <br /> <br />psf <br /> <br />.'.. ...- ..... . UpliftPressure(psf) .......... .... .... ) Net Uplift(psf) <br />HeighF(fl) >>RoofLoad (pst) <br />0- 1 5 -2 1 .0 1 1 .8 -9.2 <br />1 5-20 -23 .0 1 1 .8 -1 1 .2 <br />20-40 -28.0 1 1 .8 -1 6.2 <br />40-60 -3 1 .0 1 1 .8 - 19.2 <br /> <br />VIII.) Hold-down at truss connection: <br /> <br />Maximum truss length <br /> <br />75 (ft), Assumes Building Width + 2 x overhang <br /> <br />Truss spacing (ft) = <br /> <br />2 ft <br /> <br />Height(ft) ontributingarea (sf ' Net Uplift (pst) **Uplift perbrg.{lbs) <br />0-15 150.0 -9.2 -690.0 <br />15-20 150.0 -11.2 -840.0 <br />20-40 150.0 -16.2 -1215.0 <br />40-60 150.0 -19.2 -1440.0 1\ <br /> J / <br />** Specify hold-down accordingly, FS 'built in' to Mfr's tables. /~ <br /> Page 5 <br /> \ <br /> <br />44 <br />~ <br />