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12/13/24, 10:06 AM U.S. Seismic Design Maps <br />USGS wob servk; es were down for Some period :}; !:Me sr+d as e result thia tool wasn't operational, n <br />USES web sen ..'ices are now operaucnal SO this t: l Shou?d work as expected <br />2424 Oakmont Ave, Santa Ana, CA 92706, USA <br />Latitude, Longitude: 33.7688473,-l17.8594752 <br />r� <br />0 <br />=r <br />rti <br />r <br />CID <br />Z <br />3 <br />Z• <br />0 <br />0 <br />tD <br />t1a <br />a <br />b <br />c <br />< <br />9W <br />Z <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />in irriecau'er.3r. <br />Approved <br />F0 SlILLMANCE <br />Master ID: <br />Date: <br />Date <br />12/13/2024, 10:06:41 AM <br />Design Code Reference Document <br />ASCE7-16 <br />Risk Category <br />II <br />Site Class <br />D - Default (See Section 11.4.3) <br />Type <br />Value <br />Description <br />SS <br />1.325 <br />MCER ground motion. (for 0.2 second period) <br />S1 <br />0.472 <br />MCER ground motion. (for 1.0s period) <br />SMS <br />1.59 <br />Site -modified spectral acceleration value <br />SM1 <br />null -See Section 11.4.8 <br />Site -modified spectral acceleration value <br />SDS <br />1.06 <br />Numeric seismic design value at 0:2 second SA <br />SD1 <br />null -See Section 11.4.8 <br />Numeric seismic design value at 1.0 second SA <br />............... <br />Type <br />Value <br />Description <br />SDC <br />null -See Section 11.4.8 <br />Seismic design category <br />Fa <br />1.2 <br />Site amplification factor at 0.2 second <br />Fv <br />null -See Section 11.4.8 <br />Site amplification factor at 1.0 second <br />PGA <br />0.557 <br />MCER peak ground acceleration <br />FPGA <br />1.2 <br />Site amplification factor at PGA <br />PGAM <br />0.668 <br />Site modified peak ground acceleration <br />TL <br />8 <br />Long -period transition period in seconds <br />SsRT <br />1.325 <br />Probabilistic risk -targeted ground motion. (0.2 second) <br />SsUH <br />1.424 <br />Factored uniform -hazard (2% probability of exceedance in 50 years) spectral acceleration <br />SsD <br />1.514 <br />Factored deterministic acceleration value. (0.2 second) <br />S1RT <br />0.472 <br />Probabilistic risk -targeted ground motion. (1.0 second) <br />S1UH <br />0.51 <br />Factored uniform -hazard (2% probability of exceedance in 50 years) spectral acceleration. <br />S1D <br />0.6 <br />Factored deterministic acceleration value. (1.0 second) <br />PGAd <br />0.627 <br />Factored deterministic acceleration value. (Peak Ground Acceleration) <br />Joana Or <br />Z <br />m <br />0 <br />b <br />M <br />P <br />Map data (02024 <br />https://www.seismicmaps.org 1/3 <br />