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Asc - 6 <br />n <br />U <br />IV. Sedimentation Reservoir <br />CONTOUR AREA AVERAGE CAPACITY STORAGE <br />ELEV (ft) (ac) AREA (ac) (ac-ft) TYPE <br />5221.00 0.275 <br /> 0.340 1.90 INACTIVE <br />5226.59 0.405 <br /> 0.464 2.05 ACTIVE <br />5231.00 0.523 <br /> 0.530 0.24 SURCHARGE <br />5231.45 0.536 <br /> TO TAL CAPACITY - 3.95 <br />(Mulitply ac-ft by 43.560 to obtain cubic feet) <br />NOTE: Total capacity of the reservoir does not inc lude the <br />volume of the spillway surcharg e. <br />V. AREA CALCULATIONS BY PLANIMETER <br />• AREA IN2 <br />2:1 slope 13.00 <br />Top (0.59.) 11.75 <br />2:l slope 28.85 <br />2nd Level (0.5%) 21.60 <br />2nd Level Bench 1.75 <br />2:l Slope 18.60 <br />lst Level (0.5%) 13.00 <br />1st Level Bench 3.70 <br />2:1 Slope 9.00 <br />Bench 3.75 <br />Roads 8 Misc. Dist. 5.00 <br />---------------------------- <br />TOTAL - 130.00 <br />130 X 10000 <br />AREA = = 29.84 AC <br />43,560 <br />USE 30 ACRES <br /> <br />2/16/89 <br />