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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 />Soil and Wind Series: 62.0002 <br />Occupancy Group -U Exposure C, 95 mph Risk Category - II <br />SOIL DATA <br />Geotechnical report:Investigation prepared by Nova Services, Inc., Project No. 3024029, dated January 30, 2025 <br />Bearing:2500 psf 1/3 Increase allowed for wind or seismic loading <br />Active level backfill:45 pcf <br />At-rest backfill:65 pcf <br />Passive:below 12"150 pcf up to a maximum of:1500 psf <br />Friction:m =0.30 <br />Safety Factors: <br />Overturning & Sliding (Active):1.5 Retaining walls only <br />Overturning & Sliding(Seismic):1.1 Retaining walls only <br />WIND LOADING ASCE 7-16 <br />Section 26.10.2 <br />Velocity pressure qh = 0.00256 x Kz x Kzt x Kd x Ke x V2 ASCE 7 Equation (26.10-1) <br />Pressure coeff. (26.10.1, T26.10-1)Kz =0.85 0.85 0.85 <br />Topographic factor (26.8.2)Kzt =1.0 1.0 1.0 <br />Dir. coeff. (26.6, T26.6-1)Kd =0.85 0.85 0.85 <br />Ground elev. Factor (26.9, T26.9-1)Ke =1.0 1.0 1.0 <br />3-sec gust wind speed mph V =95 95 95 <br />Section 29.3.1 <br />Wind Load WL = qh x G x Cf x As ASCE 7 Equation (29.3-1) <br />Net force coefficient (Fig. 29.3-1)Cf =1.40 1.40 1.40 <br />Gust effect factor (26.11)G =0.85 0.85 0.85 <br />Exposure Category C C C <br />WALL DATA Varying aspect ratios <br />Horizontal wall dimension ft B =13.33 14.67 16.00 <br />Height of wall ft h =6.67 7.33 8.00 <br />Aspect ratio B/h =2.00 2.00 2.00 <br />Wall area sq.ft.As =1 1 1 <br />Wind pressure (strength level)WL =19.9 19.9 19.9 <br />Wind pressure (service level)WL =11.9 11.9 11.9 <br />lbs/sq.ft.lbs/sq.ft.lbs/sq.ft. <br />1