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Lutzky Associates Development, LP - Geotechnical Investigation <br />MACTEC Project 4953-03-2631 <br />Sepiember 18. 2003 <br />Table 4: Horizontal Ground Motion Pseudo Spectral Velocity in Inches/Second <br />Design Basis Earthquake (DBE, 10% probability of exceedence in 50 years) and <br />Upper Bound Earthquake (UBE, 10% probability of exceedence in 100 years) <br />Period in 10% damping2% damping 5% damping <br />Seconds 10%in 50 years 10%in 100 years 10% in 50 years 10% in 100 years 10% in 50 years 10%in 100 years <br />0.01 0.239 0.291 0.239 0.291 0.239 0.291 <br />0.03 0.920 1.126 0.875 1.072 0.841 1.030 <br />0.05 1.805 2.227 1.637 2.020 1.511 1.864 <br />0.075 3.196 3.959 2.740 3.394 2.396 2.968 <br />0.1 5.058 6.222 4.110 5.056 3.396 4.178 <br />0.2 13.820 16.887 11.253 13.751 9.328 11.399 <br />0.3 21.146 25.852 17.219 21.051 14.274 17.450 <br />0.4 26.476 32.687 21.559 26.616 17.871 22.064 <br />0.5 30.531 38.102 24.860 31.025 20.608 25.719 <br />0.75 37.215 46.165 30.303 37.590 25.120 31.161 <br />0.8 38.125 47.412 31.044 38.606 25.734 32.002 <br />0.9 39.866 49.803 32.461 40.553 26.909 33.617 <br />1 41.252 51.591 33.590 42.009 27.845 34.824 <br />1.5 46.199 57.731 37.618 47.009 31.184 38.968 <br />2 47.626 59.710 38.780 48.620 32.147 40.304 <br />3 43.889 54.850 37.231 46.529 32.204 40.247 <br />4 41.322 52.980 35.054 44.942 30.321 38.875 <br />Chkd By: ck 09/11/2003