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Our Job 81-20-00 Page 4 <br />Vegetation on the site consisted of scattered dry weeds <br />and grasses. It appears that the elevated condition of the site <br />is due to excess soil dumped on the site during the development of <br />the surrounding properties. There are a few scattered piles of <br />debris and concrete across the site and numerous rodent holes <br />throughout. <br />SUBSURFACE CONDlTIONS <br />Unen ineered Fi11. The soil in the upper three to roughly <br />4Lzfeetbe1owgroundsurfaceconsistsof"%Mfi11which <br />was apparently loosely placed. This material consists of sand, silty <br />sand and fragments of both asphaltic concrete and concrete rubble. <br />The existing fill material is considered to be non-expansive. <br />Alluviurn. Alluviun underlies the fill and consists of <br />continuous layers of mediun dense to dense silty sand with silt <br />lenses to a depth of approximately L4 feet. Below this depth to <br />the depth of exploration (31 feet i\g;i11 hole DH-3), the alluvium <br />consists of a stratum of mediun stiff to stiff, silty c1ay. <br />GROUND WATER <br />Ground water as a zone of free moisture was present at <br />the tine of our exploration from six feet below the existing ground <br />in dril1 hole DH-1 to 11 feet in drill hole DH-4.