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Thrust Calculation <br />Roof Dead Load QD =15 psf <br />Live Roof Load QLr =20 psf <br />Length L =9.00 ft <br />Slope s =2 :12 <br />Degrees ΞΈ =9.5 <br />Height H =1.50 ft <br />Adjusted Roof Dead Load to slope QD_adj = QD / COSΞΈ =15.21 psf <br />Tie Location h =1.50 ft <br />Service Load =35.21 psf <br />Total Load =1008 lbs <br />Load at Wall Pwall = Pa =1008 lbs <br />Tension at Tie =4033 lbs <br />Number of Fastener Required 1/4" x 3" SDS Screws <br />Lateral Z =420 lbs ICC ESR-2236 <br />Embedment Depth lem =3 in <br />Load Duration Factor CD =1.25 <br />Adjusted Capacity =525.0 lbs <br />Number of Screws Required T / Z'=8 screws <br />Screws Provided =14 screws <br />Tension Capacity Top Plate <br />Top plate 2x4 dbl <br />Area A =10.5 in2 <br />Tension Capacity Ft =575 psi <br />Tension at Top =2852 lbs <br />Demand Capacity Ratio =0.38 < 1 OKDCR T <br />C F A <br />Z CZ <br />𝑄 𝑄 𝑄 <br />𝑃2𝐿𝑄 <br />2 <br />𝑇 2𝑃𝐿 <br />3𝐻 <br />𝑇𝑇 <br />2cos 45 <br />31