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Le' fii.i"'e—h By___— <br /> 4120 Hoyt Ave. . Page NO-. - of <br /> Everett,.WA:98203 <br /> (42S)252�2.373- <br /> PAIN�E-�- CT75C 1613 <br /> - - -- <br /> 1613,213 Site coefficients and adjusted maximum con- 1613.2:q Design spectral resj5orise iic-'e—iati�n jiaratice- <br /> sidered earthquake spectral response acceleration ters. Five-percent damped design spectral response accel- <br /> parameters. The maximum considered earthquake spec- eration at short periods, Sos and at )-second period, .SM, <br /> tral response acceleration for—short periods,S,,,S, and at 1- shall be determined from Equations 16-38 and 16-19, <br /> second period,SA,, adjusted for site class effects shall be respectively: <br /> determined by Equations 16-36 and 10t 37, respectively: <br /> 2 <br /> SAr.s_ H`rS, (Equation 16-36) Sns = 1SMs (Equation 16-38) <br /> SA„=FPS, (Equation 16-37) 2 <br /> but SA,s shall not be taken less than,SMi except when deter- Sn1 = 3"1 (Equation 16-39) <br /> mining the seismic design category in accordance with <br /> Section 1613.2.5. where: <br /> where: SA,S =The maximum considered earthquake spectral <br /> P = Site coefficient defined in'['able 1613.2.3(1). response accelerations for short period as <br /> F, = Site coefficient defined in Table 1613.2.3(2). determined in Section 1613.2.1. <br /> SM, =The maximum considered earthquake spectral <br /> Ss = The mapped spectral accelerations for short periods response accelerations for 1-second period as <br /> as distennined in Section 1613.2.1. determined in Section 1613.2..3. <br /> S, = Tlu: mapped spectral accelerations for a 1-second <br /> period as determined in Section 1613.2.1. <br /> Where Site Class D is-selected as the default site class �0 = 47c L7 � / <br /> peer Ser_tioii 1613.2.7., the value of Fa shall he not less than <br /> DMs 122 16 <br /> I( 2-2- <br /> F/ 51 5 >,- 47, ( 7 <br /> D, g f <br /> !� 0161 <br />