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~J <br />• <br />Berm Elevation for the Pond Behind the Warehouse <br />The present elevation of the berm is 53'. The follaaing calculations <br />show the acrelfeet of water at the different elevation contour lines. <br />If the berm is raised by one foot, which will bring it to 54', the <br />pond will be adequately sized to contain the one in ten year 24 hour flora. <br />52' elevation contour line <br />1.3 sq. in- x 40' x 40' _ <br />53' elevation <br />3.8 sq. in. x 40' x 40' _ <br />54' elevation <br />7.42 sq, in x 40' x 40' _ <br />Yard to 54' elevation <br />East Mine pond <br />2080 sq. ft. x 1/2' _ <br />43,560 <br />6080 sq. ft. x 1" <br />43,560 <br />11,872 sq, ft. x 1" <br />43,560 <br />Total SedimP~t and Water <br />Storage Volume <br />Rarn ti red Volume <br />024 AF <br />14 AF <br />.27 AF <br />.43 AF <br />.37 AF <br />.80 AF <br />.78 AF <br /> <br />