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Metal Stud Calculations <br />Ceiling Joists: Non-Walkable Ceiling <br />DL =12 psf Dead load from ceiling <br />LL =10 psf Live load demand for uninhabitable attics without storage <br />tw =1.33 ft Spacing of ceiling joists <br />Lmax,1 =15.75 ft Span of joists in first area <br />Lmax,2 =6 ft Span of joists in second area <br />See Attached CFS Designer Reports <br />Ceiling Joists: Walkable Ceiling <br />DL =12 psf Dead load from ceiling <br />LL =20 psf Roof live load demand <br />tw =1.33 ft Spacing of ceiling joists <br />Lmax =12 ft Span of joists <br />See Attached CFS Designer Report <br />Typical Interior Wall Stud - Non-Walkable And Walkable Ceiling <br />H =12 ft Height of wall studs <br />W wall =10 psf Self weight of wall <br />PDL,stud,nw =126 lbs Dead load demand on wall stud from non-walkable ceiling demands <br />PLL,stud,nw =105 lbs Live load demand on wall stud from non-walkable ceiling demands <br />Pmax,nw =231 lbs Total ASD gravity demand on wall stud from non-walkable ceiling stud <br />PDL,stud,w =96 lbs Dead load demand on wall stud from walkable ceiling demands <br />PLL,stud,w =160 lbs Live load demand on wall stud from walkable ceiling demands <br />Pmax,nw =256 lbs Total ASD gravity demand on wall stud from walkable ceiling stud (Controls Wall Stud Design) <br />See Attached CFS Designer Report <br />Typical Headers - 4'-0" & 6'-0" Openings <br />Habv =7.5 ft Height above opening (includes height above header and parapet height) <br />W wall =10 psf Self weight of wall <br />wDL,wall =75 plf Distributed demand from wall self weight <br />wceiling =192 plf Worst case demand from ceiling framing <br />wtotal =267 plf Distributed demand on header from wall and ceiling framing <br />See Attached CFS Designer Report <br />PROJECT <br />CLIENT <br />LOCATION <br />ITEM <br />McGuff TI <br />KPRS Inc <br />Santa Ana, CA <br />Metal Studs <br />S24-0254 <br />SHEET # <br />ENGINEER <br />DATE <br />JOB # <br />3/12/2025 <br />C. Landis <br /> BRANDOW & JOHNSTON STRUCTURAL & CIVIL ENGINEERS | LOS ANGELES NEWPORT BEACH