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oru Nutting Engineers Geotechnical & Construction Materials <br />of Florida, Inc. Hydrogeology & Monitoring Wells <br />Established 1967 Engineering • Inspection *Testing <br />Client: Calvin Giordano & Associates, Inc. Order No.: 1 01 .36 <br />Project: Atlantic Isle Utility & Roadway Improvements Report No.: 1 <br />Location: at City of Sunny Isles Beach, Florida Date: 4/12/2007 <br />Test: Usual Type Open Hole Exfiltration Test <br />Surface Elevation: Existing grade elevation <br />Water table from ground surface: 2.0 feet <br />Casing Diameter: 6 -in. <br />Tube Depth: 20 -feet <br />EXFIL NO. EX - 2 <br />One Minute <br />Increment <br />Pumping <br />Rate in <br />Gal /Min <br />Sample Location: Approximately 64 ft. North & 8 ft West from northwest corner <br />of the property at 288 Atlantic Avenue <br />Material Description: Or - 1' Existing asphalt pavement with limerock subbase <br />1' - 3' Light tan sand with limestone <br />3' - 4' Tan & brown silty sand with trace of shell fragments <br />4' - 6' Gray , <br />6' - 8' Brown sand with organics and shell <br />1 <br />2.1 <br />2 <br />2.1 <br />3 <br />2.1 <br />4 <br />2.1 <br />5 <br />2.1 <br />6 <br />2.1 <br />7 <br />2.0 <br />8 <br />2.0 <br />9 <br />2.0 <br />10 <br />2.0 <br />8' -1 S' Lime rock, (no return) <br />1 S' -20' Light tan limestone with silty sand <br />The above test was performed and calculated as presented in the manual <br />"Design of Exfiltration Trench to meet SFWMD Regulatory Criteria ". <br />Average Flow Rate, Q = 2.1 gallons per minute (gpm) <br />Hydraulic Conductivity, K = 7.63 x 10 -5 cfs /ft2ft.head <br />Prepared By by � <br />its v� <br />Richard Wohlf,3rth, P.E. No. 50858 <br />i <br />7 i;shic! ?arrola[ ion Cilvm Liord�nt; I01 ;o °ercol�rion X; ?or I ra•nn Giirdano I0! <br />.3o <br />