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TOWNSEND RAITT I <br />ROOFTOP PV <br />Project No. 21-001 <br />5/22/25 <br />Site Class=D-Default <br />Seismic Design Category=D (ASCE Table 11.6-1) <br />Importance Factor (IE) =1.00 (ASCE Table 1.5-2) <br />Mapped Spectral Response acceleration @ short period (SS)=1.299 from OSHPD website <br />Site Coefficient (Fa)=1.2 from OSHPD website <br />Maximum Considered Spectral Response acceleration, short period (SMS)=1.559 (ASCE 11.4-1) <br />Design Spectral Response acceleration @ short period (SDS)=1.039 (ASCE 11.4-3) <br />Mapped Spectral acceleration @ 1-second period (S1)=0.464 from OSHPD website <br />Site Coefficient (Fv)=1.84 (ASCE Table 11.4-2) <br />Maximum Considered Spectral acceleration @ 1-second period (SM1)=0.852 (ASCE 11.4-2) <br />Spectral acceleration @ 1-second period (SD1)=0.568 (ASCE 11.4-4) <br />Long Period Transition Period (TL)=8 (ASCE Fig. 22-14) <br /> Short Period Transition Period (Ts)=0.55 (ASCE 11.4.6) <br />Risk Category (Ie)=II (ASCE Table 1.5-2) <br />Seismic Response Modification Factor (R)=6.50 (ASCE Table 12.2-1) <br />Equivalent Lateral Force Procedure:[ASCE Section 12.8.1 ] <br />Cs, max= 0.777 <br />Cs, min=0.046 шϬ͘Ϭϭ <br />Cs =0.160 <br />10.0 <br />0.020 <br />0.75 <br />0.112 <br />V= 0.160 W (ULTIMATE) <br />V= 0.112 W (ASD) <br />Story Height (hn) = <br />Building Period Coefficient (Ct) = <br />Exponent (x) = <br />Fundamental Period (Ta) =(ASCE 12.8.2.1) <br />SEISMIC DESIGN, ASCE 7-16 <br />9 of 9