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Caribou Industries <br />Proposed Alternative Seismic Improvements - 888 North Main Street <br />July 25, 2018 <br />Table 1: Target 5%-damped Maximum Considered Earthquake Spectra, BSE-2N, and BSE-lN <br />Period <br />(seconds) <br />0.01 <br />0.02 <br />0.03 <br />0.05 <br />0.075 <br />0.10 <br />0.12 <br />0.15 <br />0.20 <br />0.25 <br />0.30 <br />0.40 <br />0.50 <br />0.60 <br />0.75 <br />1.00 <br />1.50 <br />2.00 <br />3.00 <br />4.00 <br />5.00 <br />7.50 <br />10.00 <br />Site-Specific BSE-2N 80% <br />MCE Code-Based <br />(Geometric Response <br />Mean)Spectrum <br />Sa (g)Sa (g) <br />0.62 047 <br />0.62 0.59 <br />0.64 0.66 <br />0.72 0.78 <br />0.92 0.94 <br />1.11 1.10 <br />1.20 1.16 <br />1.33 1.16 <br />1.45 1.16 <br />1.50 1.16 <br />1.55 1.16 <br />1.60 1.16 <br />1.54 1.16 <br />1.43 1.07 <br />1.27 0.85 <br />1.05 0.64 <br />0.73 0.43 <br />0.55 0.32 <br />0.34 0.21 <br />0.24 0.16 <br />0.18 0.13 <br />0.10 0.09 <br />0.07 0.05 <br />BSE-2N <br />(Geometric <br />Mean) <br />Sa (g) <br />0.62 <br />0.62 <br />0.66 <br />0.78 <br />0.94 <br />1.11 <br />1.20 <br />1.33 <br />1.45 <br />1.50 <br />1.55 <br />1.60 <br />1.54 <br />1.43 <br />1.27 <br />1.05 <br />0.73 <br />0.55 <br />0.34 <br />0.24 <br />0.18 <br />0.10 <br />0.07 <br />BSE-lN 80% <br />Code-Based <br />Response <br />Spectrum <br />Sa (g) <br />0.31 <br />0.39 <br />0.44 <br />0.52 <br />0.63 <br />0.73 <br />0.77 <br />0.77 <br />0.77 <br />0.77 <br />0.77 <br />0.77 <br />0.77 <br />0.71 <br />0.57 <br />0.43 <br />0.28 <br />0.21 <br />0.14 <br />0.11 <br />0.09 <br />0.06 <br />0.03 <br />BSE-lN <br />(Geometric <br />Mean) <br />Sa (g) <br />0.41 <br />0.41 <br />0.44 <br />0.52 <br />0.63 <br />0.74 <br />0.80 <br />0.89 <br />0.96 <br />1.00 <br />1.03 <br />1.06 <br />1.02 <br />0.95 <br />0.85 <br />0.70 <br />0.49 <br />0.36 <br />0.23 <br />0.16 <br />0.12 <br />0.07 <br />0.04 <br />...