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PROJECT <br />CLIENT <br />LOCATION <br />ITEM <br />Edwards Advanced Catheter Lab TI <br />TDA Architects <br />Santa Ana, CA <br />Roof Framing RTUs <br />S24-0082 <br />SHEET # <br />ENGINEER <br />DATE <br />JOB # <br />7/22/2024 <br />C. Landis <br />7.5 Ton & 5 Ton Unit Support - Worst Case <br />L =22 ft Span of member <br />tw =8 ft Tributary width of member <br />w7.5T =219.24 plf Distributed demand from 7.5 Ton tunit <br />x1 =19.5 ft Location on span where demand starts <br />x2 =22 ft Location on span where demand ends <br />w5T =210.12 plf Distributed demand from 5 Ton tunit <br />x1 =0 ft Location on span where demand starts <br />x2 =3.08 ft Location on span where demand ends <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 />Note: Framing supporting the 7.5 Ton and 5 Ton units is under worst case loading. Framing under 3 Ton and 2 Ton units is the <br />same type of loading, however units are lighter, therefore following calculations apply to all new RTUs. <br /> BRANDOW & JOHNSTON STRUCTURAL & CIVIL ENGINEERS | LOS ANGELES NEWPORT BEACH <br />3009 S Daimler St <br />11/18/2024