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<br />Matthew/ Aley Residence <br />Summary Report of Monitoring of <br />Subsurface Compaction and Chemical Grouting <br /> <br />BCl Project No. 03-15564.1 <br />June 2008 <br />Page 2 <br /> <br />2.0 GROUTING OVERSIGHT <br /> <br />2.1 Subsurface Compaction Grouting <br /> <br />The purpose of the grouting was to stabilize the raveled and loose soil zones that may <br />underlie the structure and to stabilize the Matthew/ Aley residence against further sinkhole or karst- <br />related settlement. The grouting program was completed by NEC Keystone, Inc. (NEC) from April <br />23,2008 through April 30, 2008. <br /> <br />Figure 2 is a site plan of the Matthew/Aley residence showing the locations of individual <br />grout injection points at the site. Grout hole depths and grout quantities are summarized below in <br />Table 1. <br /> <br />Table 1 <br />Summary of Grout Points and Quantities - Matthew/Aley Residence <br /> <br /> <br />1 51 6.4 <br />2 50 0.7 <br />3 57 1.9 <br />4 63 5.5 <br />5 62 1.3 <br />6 54 0.7 <br />7 66 3.2 <br />8 62 1.3 <br />9 64 1.8 <br />10 59 1.3 <br />11 56 2.2 <br />12 61 0.9 <br />13 55 2.5 <br />14 55 1.0 <br />15 51 1.5 <br />16 52 1.1 <br />Totals 918 33.3 <br />