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poaraphic Factor.F.:, , ' ' <br /> Kzt WORKSHEET Figure26.R <br /> ASCE 7-10 26.8.1 — <br /> .17J = ,J(J <br /> Exposure= C II - Sew , e , Sp«a-up <br /> l <br /> xtLpwinn/ _— x(Downwind) ►'�v x(Upwind) - xOm",, <br /> Bldg Height= 16 ft <br /> P l <br /> Site Elev = 190 ft -- na-It ,;� •-•,:mici: <br /> ESCARPMENT 2-D RIDGE OR 3-D AXISYMMETRICAL HILL <br /> PROFILE 1 PROFILE 2 PROFILE 3 PROFILE 4 <br /> Shape = 2-D Escarp Shape = 2-D Escarp Shape = 2-D Escarp Shape = 2-D Escarp <br /> H = 573 ft H = 400 ft H = 598 ft H = 313 ft <br /> H/2 = 287 ft H/2 = 200 ft H/2 = 299 ft H/2 = 157 ft <br /> Lh = 4325 ft Lh = 6230 ft Lh = 7779 ft Lh = 3488 ft <br /> x = 5100 ft x = 6970 ft x = 8679 ft x = 2323 ft <br /> z = 16ft z = 16ft z = 16ft z = 16ft <br /> Unobstructed1 Yes Unobstructed1 Yes Unobstructed1 Yes Unobstructed1 Yes <br /> Above Terrain2 Yes Above Terrain2 Yes Above Terrain2 Yes Above Terrain2 Yes <br /> Upper Half3 Yes Upper Half3 Yes Upper Half3 Yes Upper Half3 Yes <br /> Site to Crest Upwind Site to Crest Upwind Site to Crest Upwind Site to Crest Upwind <br /> H/Lh4 0.132 H/Lh4 0.064201 H/Lh4 0.076872 H/Lh4 0.0897259 <br /> Calc Kzt? NO Calc Kzt? NO Calc Kzt? NO Calc Kzt? NO <br /> K1: (K1/H/Lh) K1: (K1/H/Lh) K1: (K1/H/Lh) K1: (K1/H/Lh) <br /> Coefficient = 0.85 Coefficient = 0.85 Coefficient = 0.85 Coefficient = 0.85 <br /> K1 = N/A K1 = N/A K1 = N/A K1 = N/A <br /> K2: (1 - I)(lIpLh) K2: (1 - IxI/µLh) K2: (1 - IXI/µLh) K2: (1 - IXI/µLh) <br /> µ = 1.5 (Figure 26.8-1) µ = 1.5 (Figure 26.8-1) µ = 1.5 (Figure 26.8-1) µ = 1.5 (Figure 26.8-1) <br /> K2 = N/A K2 = N/A K2 = N/A K2 = N/A <br /> -'12/Ln -7Z/Ln -32/Ln -3Z/Ln <br /> K3: e K3: e K3: e K3: e <br /> y = 2.5 (Figure 26.8-1) y= 2.5 (Figure 26.8-1) y= 2.5 (Figure 26.8-1) y = 2.5 (Figure 26.8-1) <br /> K3 = N/A K3 = N/A K3 = N/A K3 = N/A <br /> Kzt = (1 + K1 K2 K3)2 Kzt = (1 + K1 K2 K3)2 Kzt = (1 + K1 K2 K3)2 Kzt = (1 + K1 K2 K3)2 <br /> Kzt = 1.00 Kzt=1.00 Kzt =1.00 Kzt =1.00 <br /> 1 Hill, ridge, or escarpment is isolated and unobstructed upwind by other similar topographic features of comparable <br /> height for 100H or 2 miles(whichever is less)ASCE 7-10 26.8.1 <br /> 2 The hill,ridge, or escarpment protrudes above the height of the upwind terrain features within a 2-mi radius in any <br /> quadrant by a factor of two or more.ASCE 7-10 26.8.1 <br /> 3 The structure is located as shown in Fig. 26.8-1 in the upper one-half of a hill or ridge or near the crest of an <br /> escarpment.ASCE 7-10 26.8.1 <br /> 4ForH/Lh >0.5, assume H/L h =0.5 for K1 andLh =2H for K2 andK3 <br /> Kzt = 1 .00 <br /> -. 3630 UPLAND AVE 2/28/2023 <br /> rill Prolect --- - Date-- - - - - <br /> EVERETT,WA 98203 0481-2023-01 <br /> 122 South Jackson <br /> Suite 210 NDM <br /> MALSAM Seattle,WA 98104 <br /> TSANG Des1gn <br /> t 206.789.6038 <br /> STRUCTURAL DC3 <br /> ENGINEERING f 206.789.6042 --- <br /> Sheet <br />