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sheet no.:A3 <br />Project:1333 S Lowell <br />3.65 psf <br />Mbal= ((0.6-0.14SDS)xDL) X L^2/2 <br />Seismic <br />Wall NO. <br />Lw Total <br />(ft) <br />HW <br />(FT) <br />Trib. Area <br />(sf) <br />V <br />(pounds) <br />Add'l <br />Shear V/L (plf) <br />**Wall <br />Type Smallest DL (plf) <br />OTM <br />(ft-lbs) <br />Mbal (ft- <br />lbs) <br />Uplift <br />(lbs) <br />Simpson <br />Holdown <br />1 12 9 448 1634 136 2 4 100 4902 364 1134 HDU2 <br />2 12 9 448 1634 136 2 4 100 4902 364 1134 HDU2 <br />WIND: <br />Wall NO. <br />Lw Total <br />(ft) <br />HW <br />(FT) <br />Trib. Area <br />(sf)V/L (PLF) <br />**Wall <br />Type Smallest <br />OTM <br />(ft-lbs) <br />RM (ft- <br />lbs) <br />Uplift <br />(lbs) <br />Simpson <br />Holdown <br />1 12 9 448 288 2 4 10368 1368 2387 HDU4 <br />2 12 9 448 288 2 4 10368 1368 2387 HDU4 <br />OTM= OTM= (V/L (plf x Lw) x Hw <br />RM= RM= (Wall DL(psf) x Lw x Hw) x (Lw/2) <br />T&C= T&C= (OTM - (0.6*RM))/Lw <br />Seismic <br />Wall NO.Lw Total HW Trib. Area V Add'l V/L (plf)**Wall Smallest DL (plf)OTM Mbal (ft-Uplift Simpson <br />A 8 9 448 1634 204 1 2 100 3677 91 1793 HDU2 <br />B 8 9 448 1634 204 1 2 100 3677 91 1793 HDU2 <br />WIND: <br />Wall NO.Lw Total HW Trib. Area V/L (PLF)**Wall Smallest OTM RM (ft-Uplift Simpson <br />A 8 9 448 216 1 2 3888 342 1841 HDU4 <br />B 8 9 448 216 1 2 3888 342 1841 HDU4 <br />Wall type Nailing Capaciy (plf) Simpson Hold Down Capacity (lbs) <br />1 8d at 6" o.c. 260 HDU2 2306 <br />2 8d at 4" o.c. 380 Wall A,B, 1&2 HDU4 3424 <br />3 8d at 3" o.c. 490 HDU5 4234 <br />*Capacities have been reduce by 25% <br />The tributary area of the building includes the proposed porch. <br />The existing residence is assumed to withstand it's own lateral forces. <br />DESIGN LATERAL FORCES ON SHEAR WALLS <br />Roof Diaphragm Shear= Cs X 1.0= <br />1333 S Lowell St & <br />#21/29/2025