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Inuaco►p <br />April 12. 2002 <br />E-3682-632 <br />Pape 2 <br />In October and November of 2001, we observed the �inal pradinp uf the buildinp ped and the <br />cement treatinp of the slab subgrade. Our field density tests indicate the structural flll was <br />compacted to at least 90 percent of maximum dry density in eccoMance w�th our <br />recomrr�endations. <br />ECI representetives observed the foundatlon bearing soils for the perirr�eter contlnuoua <br />footinps ar►d interior spreed footirps. The besrinp sals consist of inedium dense to dense aihy <br />se�d with pravel and should provide adequate support for the desipn two thousand five <br />hundred (2,600) pound per square foot desipn load. <br />In February 2002, we observed the preparation of the parkinp and drive area subprades before <br />Pevinp• Soft, yieldinp areas were treated with cement and compacted. Based on proonollinp <br />and our observations, the completed subgrade eppeared to be firm and unyielding. <br />We trust this letter meets your current needs. If you have any questions, please cail. <br />Respectfully submitted <br />E/►R7'H CONSULTAN7'S, INC. <br />� � <br />�, Sc:ott D. Dinkelman, CEG <br />Associe <br />� <br />Kyle R. <br />Principa <br />sooncncqr <br />o �. <br />E�rtli Ca�wltr�b, bo. <br />