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Passiflora Drill Pad—Topographic Gradient Calculations <br /> x is the maximum elevation difference (in feet)of the width(shorter sides)of each drill pad(as <br /> determined by the slope measured from the depicted corner) <br /> y is the maximum elevation difference (in feet) of the length(longer sides)of each drill pad(as <br /> determined by the slope measured from the depicted corner) <br /> d is the distance(in feet)between the highest and lowest altitudes presented on each drill pad <br /> 0 is the topographic gradient of each drill pad(the slope of the drill pad as measured from the <br /> line that contains the highest and lowest altitudes on each drill pad) <br /> PF-01 <br /> cos(85°) = 50 <br /> x = 4.36 Soft Soil depth: <br /> sin(2°) = 75 75ft 10" <br /> y = 2.62 <br /> x + y = 6.98 <br /> d = -1752 + 502 <br /> d = 90. 14 Pad orientaion: <br /> 6.98 <br /> sin 0 = 90. 14 220° <br /> 0 = 4.44 +2° <br /> s <br /> PF-02 <br /> cos(86°) = 50 <br /> X = 3.49 75 ft Soil depth: <br /> cos(89.5°) = 5 8" <br /> y = 0.65 <br /> x + y = 4. 14 soft <br /> d = V752 + 502 <br /> d = 90.14 Pad orientation: <br /> 4.14 sin 0 = 90. 14 _5' 91° <br /> 0 = 2.63 <br />