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PROJECT: <br />LOCATION: <br />DESIGNER: <br />DESIGN CALCULATION <br />RET.WALL_Better Buzz <br />Bristol Santa Ana,CA <br />GATS&M <br />Velocity pressure, qh:(ASCE 7-22 Sec. 29.10) <br />qh = 0.00256 Kz Kzt Kd V2 (psf)(Eq. 26.10-1) <br />Wind Directionality, Kd: <br />(Per Section 26.6, Kd shall only be included when the load combinations in Sec. 2.3 and 2.4 are used in the design) <br />kd = 0.85 (ASCE 7-22 Table 26.6-1) <br />Velocity Pressure Exposure Coefficient, Kz:(ASCE 7-22 Table 26.10-1) <br />Nominal height of the atmospheric boundary layer, Zg: 900 ft <br />z = height above ground level:(h < 15 ft, use 15ft. Min.)15 ft <br />3 sec. gust-speed power law exponent, Ξ±: 9.5 <br />kz = 0.849 <br />Topographic Factor, Kzt: <br />Kzt = 1 + (k1 k2 k3)2 (ASCE 7-22 Eq. 26.8-1) <br />Kzt = 1.0 (site conditions do not meet Sec 26.8.1) <br />Basic Wind speed, V (ASCE 7-22 Figs. 26.5-1A through 26.5-2D) <br />Risk Category:II (Table 1.5-1) <br />V =95 mph (Fig. 26.5-1B) <br />qh = 0.00256 Kz Kzt Kd Ke V2 =19.6126 (note: Kd not considered) <br />qh = 19.61 psf <br />Design Wind Pressure, Pw: <br />Pw = qh G Cf x (ASD Factor) <br />Pw = (19.61) x (0.914) x (1.55) x 0.6 = 16.67 psf <br />say: = 17.00 psf <br />Pw =17.00 psf (ASD) <br />𝐾𝑧= 2.01 [𝑧𝑧𝑔] ⁄