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Project:SoCal Gas Sheet No: <br />301 E. Columbine Ave.Project No.:25-078 <br />Santa Ana, CA Date:04/02/25 By:IG <br />A B C D E F G H I J K L M N <br />Seismic and Summary Series: 62.0002 <br />FREESTANDING WALL SEISMIC LOADING <br />Assumptions:Site Class 'D', Ground-supported cantilever walls or fences <br />MCE, 5% damped @ 1 second S1 =0.456 SD1 =0.841 Ss =1.273 SDS =0.849 <br />Importance factor I =1.0 <br />Response mod. coeff. (T15.4-2)R =1.25 <br />Long-term period. (11.4.5)TL =8 secs <br />Fundamental period. (15.4-6)Tmin =0.104 secs <br />Min. seismic load (Cs) min =0.80 x S1 /(R / I) =0.292 (15.4-2) <br />Min. seismic load (Cs) min =0.044 x SDS x I ≥ 0.03 =0.037 (15.4-1) <br />Seismic load Cs =SDS /(R / I) =0.679 (12.8-2) <br />Max. Seismic load (Cs) max =SD1 /(T x R / I) =6.469 Wt (12.8-3) <br />Cs =0.679 EQ = <br />Nominal Masonry Unit Width inches 8 <br />Completed Wall Weight - Wt psf Wt Wt Wt <br />Factored Design - EQ psf S EQ EQ EQ <br />Reinforcing Spacing - S inches 48 40 27.2 49 33.3 <br />40 41 27.8 53 36.0 <br />32 42 28.5 55 37.4 <br />24 43 29.2 58 39.4 <br />16 47 31.9 63 42.8 <br />SOLID 58 39.4 78 53.0 164 111.4 <br />FREESTANDING LATERAL LOAD SUMMARY <br />Nominal Masonry Unit Width inches <br />Strength Design - EQ psf <br />Strength Design - W psf <br />48 19.9 27.2 EQ 19.9 33.3 EQ <br />40 19.9 27.8 EQ 19.9 36.0 EQ <br />32 19.9 28.5 EQ 19.9 37.4 EQ <br />24 19.9 29.2 EQ 19.9 39.4 EQ <br />16 19.9 31.9 EQ 19.9 42.8 EQ <br />SOLID 19.9 39.4 EQ 19.9 53.0 EQ 19.9 111.4 EQ <br />16"x16" <br />EQ Controls W EQ Controls <br />0.679 x Wt <br />S W EQ Controls W <br />6 8 <br />6 16"x16" <br />2