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KELLER, SCHLEICHER & MacWILLIAM ENGINEERING AND TESTING, INC. <br />P.O. BOX 78-1377• SEBASTIAN, FL 32978-1377 SEBASTIAN (561) 589-0712 <br />MELBOURNE (407) 768-8488 <br />FAX (561) 589.6469 <br />LABORATORY PERMSABILITY - CONSTANT HEAD METHOD <br />(ASTM 2434) <br />DATE OF TEST': February 9, 1998 PROJECT NO. KSM 98279-P2 <br />CLIENT Indian River County - Public Works <br />LOCATION South County Park <br />Indian River County, Florida <br />Ph -2, See Attached Location Plan <br />SAMPLE DESCRIPTION - Gray Sand, Fine <br />DEPTH G SAMPLE LOCATION - 12 INCHES <br />LENGTH OF SAMPLE ALONG PATH OF FLOW c 6 INCHES <br />DIAMETER OF SAMPLE s 3 INCHES <br />QUANTITY OF FLOW _ 310 MILLITERS <br />TIME INTERVAL OF TEST m 10 MINUTES <br />DIFFERENCE IN HYDRAULIC HEAD ACROSS THE SAMPLE = 16 INCHES <br />THE RESULTS OBTAINED FROM OUR HORIZONTAL LABORATORY PERMEABILITY <br />TEST, WHERE K IS THE COEFFICIENT OF PERMEABILITY a 12.1 FEET/DAX <br />