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Project Name:Samueli Academy-Bldg BEngineer:Elie Sayegh, PE <br />Project No.:1074220072 Date: <br />Maximum Anticipated Horizontal Loads:650 lbs <br />Maximum Anticipated Vertical Uplift:550 lbs <br />Proposed Screw:#12 wood or metal screws <br />Factor of Safety:5.0 (FS) <br />Cd:1.6 <br />Allow. Shear:590 Per APA E830 E, Table 1 - Va Shear Capacity, min 1/2" depth of thread penetration, Unfactored <br />Capacity * Cd/ FS:188.8 lbs <br />Allow. Withdrawal:315 Per APA E830 E, Table 3 - Ta Withdrawal Capacity, min 1/2" depth of thread penetration, Unfactored <br />Capacity * Cd/ FS:100.8 lbs <br />Qty of Screws:8 <br />Total Shear Capacity:1510 lbs Shear DCR:43% <br />Total Uplift Capacity:806 lbs Uplift DCR:68% <br />1/10/2023 <br />F. Attachment Check <br />APA E830 - Table 1 : Metal to Plywood Connections (Ultimate Lateral Capacity) <br />Therefore, 8 - #12 wood or metal screws are adequate to resist horizontal and uplift loads <br />Maximum Loads: <br />Racking - Screw Attachement <br />Racking - Required Qty of Screws <br />P-24 <br />1901 N Fairview St & Bldg A, B, <br />C, F & 1919 N Fairview St Bldg E <br />4/11/2024