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TYPICAL MAJOR DRAINAGE FINAL CONTOUR <br />Drar+ing # 2.05.4(2)(c)-3 <br /> <br />Maximum drainage channel elope <br />11 <br />Average drainage channel elope <br />Maximum and average drainage channel bank elope <br />Vertical Scale 1"~20' <br />Horizontal Seale 1"~20' <br />I certify th <br />prepared and <br />E. LeRoy B1 <br />