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<br />VII.) Net Uplift <br /> <br />Wedgewood Model 1793 <br /> <br />Roof Deadloads: <br /> <br />(SBC Appendix A) <br /> <br />Element Description Weight (pst) <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 />Height (ft) UpliftPressure(pst) Roof Load (pst) Net Uplift (pst) <br />0-15 -21.0 11.8 -9.2 <br />15-20 -23.0 11.8 -11.2 <br />20-40 -28,0 11.8 -16.2 <br />40-60 -31.0 11.8 -19,2 <br /> <br />VIII.) Hold-down at truss connection: <br /> <br />Maximum truss length <br /> <br />36 <br /> <br />(ft), Assumes Building Width + 2 x overhang <br /> <br />Truss spacing (ft) = <br /> <br />2 <br /> <br />ft <br /> <br />Height (ft) ontributing area (sf Net Uplift (pst) **Uplift per brg. (lbs) <br />0-15 72,0 -9,2 -331.2 <br />15-20 72,0 -11.2 -403.2 <br />20-40 72,0 -16.2 -583.2 <br />40-60 72.0 -19.2 -691.2 <br /> <br />** Specify hold-down accordingly, FS 'built in' to Mfr's tables. <br /> <br />Page 5 <br /> <br />James Catalano. P,E. <br />4120/9~ <br />