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7/11/24,8:46 AM U.S.Seismic Design Maps <br /> USGS web services were down for some period of time and as a result this tool wasn't operational,resulting in timeout error. <br /> USGS web services are now operational so this tool should work as expected. <br /> OSH PD <br /> 1407 80th St SW, Everett, WA 98203, USA <br /> Latitude, Longitude: 47.9264881, -122.2536154 <br /> rn <br /> D <br /> Nelson Petroleum Q <br /> Achilles USA 10 <br /> 80th St SW 80th St SW 80th St SW <br /> Go gle JOES Racing Products19 Map data 02024 <br /> Date 7/11/2024,8:46:04AM <br /> Design Code Reference Document ASCE7-16 <br /> Risk Category II <br /> Site Class D-Default(See Section 11.4.3) <br /> Type Value Description <br /> Ss 1.374 MCER ground motion.(for 0.2 second period) <br /> S1 0.488 MCER ground motion.(for 1.0s period) <br /> SMS 1.649 Site-modified spectral acceleration value <br /> SM1 null-See Section 11.4.8 Site-modified spectral acceleration value <br /> SIDS 1.099 Numeric seismic design value at 0.2 second SA <br /> SD1 null-See Section 11.4.8 Numeric seismic design value at 1.0 second SA <br /> Type Value Description <br /> SDC null-See Section 11.4.8 Seismic design category <br /> Fa 1.2 Site amplification factor at 0.2 second <br /> Fv null-See Section 11.4.8 Site amplification factor at 1.0 second <br /> PGA 0.593 MCEG peak ground acceleration <br /> FPGA 1.2 Site amplification factor at PGA <br /> PGAM 0.712 Site modified peak ground acceleration <br /> T, 6 Long-period transition period in seconds <br /> SsRT 1.374 Probabilistic risk-targeted ground motion.(0.2 second) <br /> SsUH 1.527 Factored uniform-hazard(2%probability of exceedance in 50 years)spectral acceleration <br /> SsD 3.989 Factored deterministic acceleration value.(0.2 second) <br /> S1 RT 0.488 Probabilistic risk-targeted ground motion.(1.0 second) <br /> S1 UH 0.544 Factored uniform-hazard(2%probability of exceedance in 50 years)spectral acceleration. <br /> S1 D 1.644 Factored deterministic acceleration value.(1.0 second) <br /> PGAd 1.333 Factored deterministic acceleration value.(Peak Ground Acceleration) <br /> https://www.seismicmaps.org 1/3 <br />