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WEST <br />COAST — ,l 9540 Semiahmoo Parkway (425) 347-8998 <br />STRUCTURAL #137 wcse.net <br />ENGINEERING, INC. Blaine, WA98230 <br />Shearwall Capacity: <br />SW1 = 260*0.93 = 240 plf limitted to 150 plf for toenailing rim joist <br />SW2 = 380*0.93 = 350 plf <br />base plate nailing <br />allowed shear from 16d nailing w/ 3/4" sheathing = Z*Cd*Cdi = 95 lb/nail * 1.6 * 1.1 = 167 lb/nail <br />allowed shear from Simpson LTP4 =595 lb/clip <br />SW1 = (167 lb/nail) / 150 Ib/ft = 13.4 in 8" o.c. ok <br />SW2 = (167 lb/nail) / 350 Ib/ft = 5.7 in 5" o.c. ok <br />toe nail rim joist or top <br />allowed shear from 16d nailing w/ 3/4" sheathing = Z*Cd*Cdi*Ctn = 95 Ib/nail*1.6*1.1 *0.83 = 139 lb/nail <br />allowed shear from Simpson LTP4 =595 lb/clip <br />SW1 = (139 lb/nail) / 150 Ib/ft = 13.4 in 5" o.c. ok <br />SW2 = (595 lb/clip) / 350 Ib/ft = 20.4 in 20" o.c. ok <br />sill plate anchors <br />allowed shear from 1/2" dia. anchor bolt w/ 1-1/2" HF on conc. = Z*Cd = 590 Ib/bolt*1.6 = 944 lb/bolt <br />SW1 = (944 lb/bolt) / 150 Ib/ft = 75.5 in 48" o.c. ok <br />SW2 = (944 lb/bolt) / 350 Ib/ft = 32.4 in 32" o.c. ok <br />Project: W4861 Sheet No: 20 9/13/2023 <br />