Laserfiche WebLink
Analysis Method:Equivalent Lateral Force Procedure (Section 2.7.7.1, TIA-222-H) <br />GPD Job Number 2023723.21.214755.02 <br />Site Name SCE Fairview Substation <br />Site Number 214755 <br />City Santa Ana <br />State CA <br />Count Orange <br />Tower Type Mono ole <br />Base OD 34.04 in Top OD 16 in <br />Base Thickness 0.3125 in Top Thickness 0.2188 in <br /># of Sides 18 <br />Base Elevation 1 ft <br />Structure Height (ft)77 <br />TL 8 sec (Figures B-19 to B-21, TIA-222-H) <br />Ss 1.277 (ASCE Hazard Tool) <br />S1 0.458 (ASCE Hazard Tool) <br />Site Classification D (Table 2-10, TIA-222-H) <br />Risk Categor II (Table 2-1, TIA-222-H) <br />Importance Factor (I)1 (Table 2-3, TIA-222-H) <br />Fa 1.200 (Table 2-11, TIA-222-H, interpolation allowed) <br />Fv 1.842 (Table 2-12, TIA-222-H, interpolation allowed) <br />SDS 1.022 (2.7.5, TIA-222-H) <br />SD1 0.562 (2.7.5, TIA-222-H) <br />Wt 19.940 Kips <br />Wu 8.490 Kips <br />WL 11.450 Kips <br />g 386.4 in/s <br />Iavg 2575.58 n <br />E 29000 ksi <br />Re un ancy ac or ρ)1.0 (2.7.7, TIA-222-H) <br />f1 0.498 Hz (2.7.7.1.3, TIA-222-H) <br />R 1.5 (2.7.7.1, TIA-222-H) <br />Sam 0.280 (2.7.7.2.1, TIA-222-H) <br />Earthquake LRFD Load Facto 1 (2.3.2, TIA-222-H) <br />Discrete Appurtenances wz (kips)z (ft)Cvx Fsz Eh (k)Ev (k) <br />Appurtenances @ 80'0.080 80 0.008 0.0454 0.045 0.016 <br />ppurtenances @ 74'4.040 74 0.357 1.9950 1.995 0.825 <br />ppurtenances @ 73.8'1.930 73.8 0.170 0.9485 0.948 0.394 <br />ppurtenances @ 63.3'2.440 63.3 0.163 0.9126 0.913 0.499 <br />ppurtenances @ 52.1'1.450 52.1 0.069 0.3831 0.383 0.296 <br />ppurtenances @ 42.3'1.450 42.3 0.047 0.2638 0.264 0.296 <br />ppurtenances @ 28.7'2.040 28.7 0.033 0.1842 0.184 0.417 <br />ppurtenances @ 17.5'0.390 17.5 0.003 0.0142 0.014 0.080 <br />Linear Appurtenances <br />Feedlines from 38' - 78'0.120 58 0.007 0.0384 0.038 0.025 <br />Feedlines from 1' - 38'0.100 19.5 0.001 0.0045 0.004 0.020 <br />Structure Components <br />Tower Section from 38' - 78'1.950 58 0.112 0.6240 0.624 0.398 <br />Tower Section from 1' - 38'3.950 19.5 0.031 0.1758 0.176 0.807 <br />Totals 19.940 5.59 4.074 <br />5.59 kips <br />Wind Base Shear (kip) <br />23.00 <br />Seismic Base Shear (kip) <br />5.6 <br />Seismic Calculations (TIA-222-H-1 <br />Wind and Seismic Base Shear Comparison <br />Base Shear per the Equivalent Lateral Force Procedure, Vs <br />4111 3%4 S Main St Unit <br />#WCC0112/13/2024