Section 1613.3.3 - Site coefficients and adjusted maximum considered earthquake <br />spectral response acceleration parameters <br />TABLE 1613.3.3(1) <br />VALUES OF SITE COEFFICIENT F, <br />Site Class <br />Mapped Spectral Response Acceleration at Short Period <br />Ss 50.25 <br />Ss=0.50 S5=0.75 SS=1.00 <br />SS _ 1.25 <br />A <br />0.8 <br />0.8 0.8 0.8 <br />0.8 <br />B <br />1.0 <br />1.0 1.0 1.0 <br />1.0 <br />C <br />1.2 <br />1.2 1.1 1.0 <br />1.0 <br />D <br />1.6 <br />1.4 1.2 1.1 <br />1.0 <br />E <br />2.5 <br />1.7 1.2 0.9 <br />0.9 <br />F <br />See Section 11.4.7 of ASCE 7 <br />Note: Use straight <br />-line interpolation for intermediate values of Ss <br />For Site Class = D and S. = 0.762 g, F. = 1.195 <br />TABLE 1613.3.3(2) <br />VALUES OF SITE COEFFICIENT F„ <br />Site Class Mapped Spectral Response Acceleration at 1-s Period <br />S1 5 0.10 <br />S1 = 0.20 S1 = 0.30 S1 = 0.40 <br />Sl 0.50 <br />A <br />0.8 <br />0.8 0.8 0.8 <br />0.8 <br />B <br />1.0 <br />1.0 1.0 1.0 <br />1.0 <br />C <br />1.7 <br />1.6 1.5 1.4 <br />1.3 <br />D <br />2.4 <br />2.0 1.8 1.6 <br />1.5 <br />E <br />3.5 <br />3.2 2.8 2.4 <br />2.4 <br />F <br />See Section 11.4.7 of ASCE 7 <br />Note: Use straight <br />-line interpolation for intermediate values of Sl <br />For Site Class = D and S1 = 0.400 g, F„ = 1.600 <br />