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DATE:V I N C I & A S S O C I A T E S SHEET:2 <br />PROJECT:Jesse Gibbs Residence Structural Engineers JOB NO.:22-3457 <br />214 W. Alton Ave.175 E. WILBUR ROAD, STE 103 • THOUSAND OAKS, CA 91360 ENGR.:JRV <br />Santa Ana, CA 805.496.2100 • VinciSE.com <br />CLIENT:Baker Home Energy <br />DESIGN CONNECTION TO ROOF TO RESIST WIND UPLIFT <br />REFER TO NEXT SHEET FOR <br />UPLIFT FORCE CALCULATIONS <br />ZONE 1 UPLIFT =-.6(2.80psf) <br />Design Force = ( Uplift x (0.6) ) -.6(2.80psf) <br />Net Uplift = <br />ADD 2.12 Connections per Module (MIN) <br />CONNECTION 17 Modules,36 Connections <br />DETAIL Max Trib Area =ft2 <br />HERE UPLIFT / CONN. =11.3 ft2 x 25.0 psf <br /> =282 lbs/conn <br />PER 2018 NDS (TABLE 12.2A) <br />PALLOW = 256 lbs/in x CD x Ct <br />for (1) screw <br />WITH 2.00'' PENETRATION INTO JOIST <br />PALLOW = 2.00 ''x 410 lbs/in <br /> = 819.2 lbs >282 lbs <br />Therefore O.K. <br />FACTOR OF SAFETY: <br />F.O.S. =2.91 >1.5 <br />Therefore O.K. <br />ZONE 3 UPLIFT =- 0.6 (2.80 psf)ZONE 2 UPLIFT =-.6(2.80psf) <br />Design Force = ( Uplift x (0.6) ) - 0.6 (2.80 psf)Design Force = ( Uplift x (0.6) ) -.6(2.80psf) <br />Net Uplift = Net Uplift = <br />2.12 Connections per Module (MIN)2.12 Connections per Module (MIN) <br />17 Modules,36 Connections 17 Modules,36 Connections <br />Max Trib Area =ft2 Max Trib Area =ft2 <br />UPLIFT / CONN. =7.537 ft2 x UPLIFT / CONN. =11.3 ft2 x <br /> =348.7 lbs/conn =432.5 lbs/conn <br />PER 2018 NDS (TABLE 12.2A)PER 2018 NDS (TABLE 12.2A) <br />PALLOW = 256 lbs/in x CD x Ct PALLOW = 256 lbs/in x CD x Ct <br />for (1) screw for (1) screw <br />WITH 2.00'' PENETRATION INTO JOIST WITH 2.00'' PENETRATION INTO JOIST <br />PALLOW = 2.00 ''x 409.6 lbs/in PALLOW = 2.00 ''x 410 lbs/in <br /> = 819.2 lbs > = 819.2 lbs > <br />Therefore O.K.Therefore O.K. <br />FACTOR OF SAFETY:FACTOR OF SAFETY: <br />F.O.S. =2.35 >1.5 F.O.S. =1.89 >1.5 <br />432 lbs <br />38.3 psf <br />5/16 in <br />7.54 <br />Therefore O.K. <br />46.3 psf <br />349 lbs <br />Therefore O.K. <br />7/18/2024 <br />25.0 psf <br />44.4 psf <br />66.6 psf79.9 psf <br />46.3 psf <br />- <br />11.30 <br />5/16 in <br />5/16 in <br />11.30 <br />38.3 psf <br />214 W Alton Ave <br />10/8/2024