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Roof Framing Calculations <br />HP-6, HP-7, HP-8, HP-9, HP-10 Support Design <br />Lspan,6 =40 ft Span of new member supporting HP-6 <br />Lspan,7 =36 ft Span of new member supporting HP-7 <br />Lspan,8 =40 ft Span of new member supporting HP-8 <br />Lspan,9 =36 ft Span of new member supporting HP-9 <br />Lspan,10 =40 ft Span of new member supporting HP-10 <br />Ldes =40 ft Design length for new member <br />tw,E =8 ft Spacing of (E) roof members <br />Lunit =5 ft Width of unit <br />tw =3.25 ft Tributary width of new reinforcing members <br />DL =15 psf Dead load <br />LL =20 psf Live load <br />W p =1300 lbs Weight of unit <br />L1 =84 in Length of unit (Dimension parallel to span) <br />L2 =60 in Width of unit (Dimension perpendicular to span) <br />Aunit =35 ft 2 Plan area of unit <br />qunit =17.1 psf Design area demand from unit <br />tw,unit =2.5 ft Tributary width of unit to member <br />wunit =42.9 plf Design distributed demand from unit <br />x1 =2.75 ft Span location where unit demand starts <br />x2 =9.75 ft Span location where unit demand ends <br />See Attached Enercalc Report <br />PROJECT <br />CLIENT <br />LOCATION <br />ITEM <br />McGuff TI <br />KPRS Inc <br />Santa Ana, CA <br />Roof Framing <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