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Check attachment of Support to Existing Structure for Wind Uplift - Cont'd <br />Nominal (Unfactored) Uplift at each support = 42 psf x 17.4 sq. ft. = 730.8 lbs <br />Note: Section 2.4.1 of ASCE 7-16, Basic Load Combinations for Allowable Stress <br />Design. Note: Applicable Load Combination #5 (D + 0.6W) <br />Design (Factored) Uplift at each support = 0.6 x 730.8 lbs = 438 lbs <br />Load per lag screw = 438 lbs / 1 = 438 lbs <br />Determine allowable load per 5/16" lag screw w/ 2.5" embedment into wood below <br />according to the 2018 NDS. <br />W ' = W x Cd x Ct Table 10.3.1 2018 NDS <br />where <br />W = 266 lbs / in. of embedment per Table 12.2a <br />Cd = 1.6 per Table 2.3.2 of 2018 NDS <br />Ct = 1.0 per Table 2.3.3 of 2018 NDS <br />W' = 266 lbs/ in. x 2.5 in. x 1.6 x 1.0 = 1,064 lbs > 438 lbs OK <br />Sht # 5 of 7 <br />2024-0564 Solar Survey Pro 917 W McFadden Ave April 18, 2024 <br />      Loyd W. Martin Professional Engineer, Inc.       <br />9924 Universal Boulevard #224-406 Orlando, FL 32819 Tel:1.310.464.1804 <br /> Email: loydwmartin@gmail.com www.loydwmartin.com <br />Use Support connected to 2x Min. Roof Member w/ <br />(1) 5/16" x 3.5" lag screws per connection minimum. <br />917 W McFadden Ave - <br />101119790 & 201832007/2/2024