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<br />ger",",\~~ <to 2. \ <br /> <br />July 17,2008 <br /> <br />Ms. Meg Carrigan <br />Tower Hill Insurance Group <br />7201 NW 11 th Place <br />Gainesville, Florida 32605 <br /> <br />Subject: <br /> <br />Completion Report of Grout Injection Remediation <br />The Pittman Residence - Zephyrhills, Florida <br />Claim No. 2800031710 <br />SDII Project No. 3017839A <br /> <br />Oear Ms. Carrigan: <br /> <br />SOIl Global Corporation (SOIl) is pleased to present this report summarizing <br />the grout injection remediation performed at the Pittman residence located at <br />4615 Wisteria Orive in Zephyrhills, Florida. Figure 1 illustrates the project <br />location. <br /> <br />BACKGROUND INFORMATION <br /> <br />SOU was retained by Tower Hill Insurance Group to monitor and confirm that <br />the grout injection was completed in substantial compliance with the <br />recommendations made in our "Final Report - Subsidence Investigation" <br />dated February 2008, SOIl Project Number 3017839. <br /> <br />The purpose of the grout injection program was to treat the suspected sinkhole <br />conditions beneath the foundation of the home by filling subsurface voids and <br />compacting soft subsurface soils. SOU monitored the contractor's operations <br />during the grouting to verify compliance with the intent of our <br />recommendations. <br /> <br />SUMMARY OF MONITORING SERVICES <br /> <br />The following summarizes the activities we observed and documented at the <br />site: <br /> <br />· Secure Foundation Systems, Inc. installed 18 grout injection points <br />around the perimeter of the residence between July 7, 2008 and <br />July 14, 2008. Pipe depths ranged from approximately 28 to 50 <br />feet for a total of 740 linear feet. <br />