1321 COLBY AVE VERIZON WIRELESS ANTENNAS 2019-01-25

Seismic Load Calculation for Components and System (Reference: IBC 2015 Section 1613&ASCE 7-10 Section 13.3) Seismic Force: 0.2s Spectral Response Acceleration,Site Class B,S, = 1.281 (ASCE 7,Figure 22-1 thru 22-6) 1.0s Spectral Response Acceleration,Site Class B,S1 = 0.487 (ASCE 7,Figure 22-1 thru 22-6) Site Class = D (ASCE 7,Section 11.4.2) Seismic Design Category = D (ASCE 7,Tables 11.6-1&11.6-2) Site Coefficient per Ss&Site Class,F. = 1.00 (ASCE 7,Table 11.4-1) Site Coefficient per St&Site Class,FY = 1.51 (ASCE 7,Table 11.4-2) SMS=F.S. = 1.281 (ASCE 7,Section 11.4.3) SMS=FYSS = 0.735 (ASCE 7,Section 11.4.3) SDS=2/3 SMS = 0.854 (ASCE 7,Section 11.4.4) S51=2/3 Sµ1 = 0.490 (ASCE 7,Section 11.4.4) (Per ASCE 7-10,13.3) Component Amplification Factor,a1, = 1.0 (ASCE 7,Table 13.6-1) Component Response Modification Factor,Ftp = 2.5 (ASCE 7,Table 13.6-1) Component importance Factor,Ip = 1.0 (ASCE 7,Table 1.5-2) Component Operating Weight,Wp = Wp (ib) Height in structure at lowest point of attachment of component,zl = 116 (ft) Height in structure at highest point of attachment of component,z2 = 116 (ft) Average Roof Height of Structure,h = 112 (ft) Seismic design force,Fp = 0.4sI1SDSWp (1+2z/h) ltp/Ip (Eq.13.3-1) Max.seismic design force,F = 1.6SOSIPWp (Eq.13.3-2) Min.seismic design force,Fr„JD = 0.3SDSIPWp (Eq.13.3-3) Seismic design force at lowest point,Fin = 0.420 Wp FP IAvm= 0.420 Seismic design force at highest point,Fp2 = 0.420 Wp Min.seismic design force,F.... = 0.256 Wp Max.seismic design force,F,,,,,, = 1.366 Wp Seismic design force,Fp(ASD) = 0.300 Wp Desaipdon BY Data G NAL 11/13/2017 ENGINEERING Checked ono Seismic Loads For Components&Systems ProJatt Seale Sheet No. N.T.S. 250 4th Ave.South SEA DT Everett Suite 200 lob No. 5 I Edmonds,WA 98020 17015.270 ( 1