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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 - 4 <br />One Minute <br />Increment <br />Pumping <br />Rate in <br />Gal /Min <br />Sample Location: Approximately 41 ft. North & 29 ft West from norteast corner <br />of the property at 256 Atlantic Avenue <br />Material Description: 0' - 1' Existing asphalt pavement with Lmerock subbase <br />1' - 3' Light tan limestone with silty sand <br />3' - 6' Gray silty sand with shell fragments <br />6' -1 0' Brown silty sand with organics <br />10'- 20' Limerock (no return) <br />1 <br />1.1 <br />2 <br />1.1 <br />3 <br />1.1 <br />4 <br />1.1 <br />5 <br />1.0 <br />6 <br />1.0 <br />7 <br />1.0 <br />8 <br />1.0 <br />9 <br />1.0 <br />1 0 <br />1.0 <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 = 1.0 gallons per minute (gpm) <br />Hydraulic Conductivity, K = 3.85 x 10 -5 cfs /ft2ft.head <br />' Prepared By i 00j <br />I I <br />f�G <br />Richard Wohlfar h, P.E. No. 50858 <br />' iSi1ad P- rcolaonn Calvin Gio -W! , _ ?ercoIacion T2 sr Eik I CaI,i,n. Giar,Iinu 101 _i6 <br />