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Design Criteria <br />Roof Dead Loads <br />(E) Built Up Roof - 4 ply <br />1/2" Plywood <br />2x4 @ 24" O.C. <br />4x12 <br />Misc. <br />GLB 5.125x27 <br />Solar Dead Loads <br />Solar Panels (Max Array Load) <br />Ballast Weight (As Occurs per Plan View) <br />On Module Base Spacing "S" <br />Between Module Base Spacing "L" <br />Live Loads <br />Tributary Area =LL = 2x4 DF#2 <br />Tributary Area =LL = 4x12 <br />Tributary Area =LL = GLB 5.125x27 <br />Wind Load <br />Downward Wind Load 4x12 & (E) GLB <br />1.1 psf <br />Medtronics PV Project - Feasibility Study - Roof 2 DATE: <br />3.0 psf <br />1.5 psf <br />NS STRUCTURAL ENGINEERING, INC MADE BY: JL <br />4642 Rockland Place La Canada <br />Flintridge, CA 91011 <br />CHECKED BY: NS <br />PAGE NO. 10 <br />32.60 lbs <br />4.09 ft <br />3.44 ft <br />Before Solar <br />16.0 ft²20.0 psf <br />0.6 psf <br />2.0 psf <br />5.1 psf <br />1.5 psf <br />4.11 psf <br />8.1 psf <br />9.6 psf <br />160.0 ft²20.0 psf <br />* No Live load is applied underneath modules due to being less than 24" from the roof surface. Live load is only applied <br />at walkway locations and is averaged over solar array area. <br />9.6 psf <br />970.0 ft²12.0 psf <br />1851 E Deere Ave - 101118504 & <br />20182282 <br />4/11/2024