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PROJECT JOB NO.241285 <br />Villa del Sur Apts - Voluntary seismic retrofit <br />MADE BY LMC/PVB DATE 7/9/2024 PAGE <br />BUILDING H <br />STL. SPECIAL CANT. COLUMNS <br />Weight <br />(psf) <br />Trib. Width/Ht. <br />(ft.) or Area <br />(SF) <br />Length <br />(ft.)Weight (lbs) <br />Roof 11 16.00 321.5 56584 <br />0 0.00 0 0 <br />0 0.00 0 0 <br />40 13.50 318.83 172168 <br />0 0.00 0 0 <br />15 8.50 318.83 40651 <br />2nd-Roof 15 8.50 27 3443 <br />0 0.00 0 0 <br />15 4.17 42 2624 <br />15 4.17 318.83 19919 <br />15 -2.83 256 -10867 <br />Total Wt.=284521 lb <br />SDS=1.044 SDC:D <br />R = 2.5 Steel Spec. Cant. Col.S1=0.466 <br />Ωo =1.25 Flexible Diaphragm <br />Cd = 2.5 <br />Ie= 1 <br />Cs= SDS/(R/Ie)0.42 <br />V = 0.75CsW =89 kip (LRFD) <br />62 kip (ASD) <br />2701 Mc FADEN AVE, SANTA ANA, CA 92704 <br />W, EFFECTIVE SEISMIC WEIGHT <br />2nd Floor <br />Ext. Wall <br />1st-2nd <br />© 7/11/2024 Coffman Engineers, Inc. <br />Seismic Wt & Base Shear Bldg H Page 8 <br />DIVIDE BY (8) <br />COLUMNS <br />Vu = 11.2 kip per <br />column <br />ρ = 1.0 <br />ONE COLUMN IS <br />12.5% OF 8 <br />COLUMNS <br />2701 W McFadden Ave <br />#F-I2/6/2025