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Roof Screen Framing Check <br />Demand <br />DL =15 psf Roof dead load <br />LL =20 psf Roof live load <br />H =8.5 ft Total height of wind screen above roof <br />Habv =6 ft Height of windscreen above parapet <br />sbrace =8 ft Spacing of lateral braces <br />DLscreen =8 psf Dead load of roof screen <br />pwind =35.6 psf Wind demand (See calculations) <br />Framing Check: East-West Screen Support (For Members w/ (E) Reinfocement) <br />L =19.5 ft Span of member <br />tw =8 ft Trib width of member <br />PDL =384 lbs Dead load demand from roof screen framing <br />x =14 ft Location on span where demand acts <br />Pwind,lat =1708.8 lbs Lateral wind force on section of screen trib to member <br />Mwind =9398.4 lb-ft Moment demand on member from lateral wind loading <br />x =12 ft Location on span where demand acts <br />b(E) =3.5 in Width of existing beam <br />d(E) =15.25 in Depth of existing beam <br />IE) =1034.4 in 4 Moment of inertia of (E) member <br />E(E) =1700 ksi Modulus of elasticity of (E) member <br />IE(E) =2E+06 Product of moment of inertia and modulus of elasticty <br />b(R) =2.5 in Width of (E) reinforcing member <br />d(R) =13.25 in Depth of (E) reinforcing member <br />IR) =484.63 in 4 Moment of inertia of (E) reinforcing member <br />E(R) =1700 ksi Modulus of elasticity of (E) reinforcing member <br />IE(R) =823864 Product of moment of inertia and modulus of elasticty <br />IEtotal =3E+06 in 4 Sum of products (1 (E) member and 2 (E) reinforcing members) <br />I(E)/Itotal =0.5163 Ratio of (E) member moment of interia/modulus of elastic product to sum <br />I(R)/Itotal =0.2419 Ratio of (E) reinforcing member moment of interia/modulus of elastic product to sum <br />PDL,m =198 lbs Dead load demand from roof screen framing acting on (E) member <br />PDL,r =93 lbs Dead load demand from roof screen framing acting on (E) reinforcing member <br />x =14 ft Location on span where demand acts <br />PROJECT <br />CLIENT <br />LOCATION <br />ITEM <br />Edwards Advanced Catheter Lab TI <br />TDA Architects <br />Santa Ana, CA <br />Anchorage <br />S24-0082 <br />SHEET # <br />ENGINEER <br />DATE <br />JOB # <br />7/22/2024 <br />C. Landis <br /> BRANDOW & JOHNSTON STRUCTURAL & CIVIL ENGINEERS | LOS ANGELES NEWPORT BEACH <br />CHECK 1: <br />3009 S Daimler St <br />11/18/2024