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0 <br />Intrecorp <br />July 16, 1998 <br />c <br />E-3592-620 <br />Page 2 <br />The building will be surrounded by asphalt paved parking and driveway areas. Traffic <br />loads will primarily consist of semi tractor-trailer trucks and passenger vehicies. <br />If the above design criteria are incorrect ar change, we shouid be consulted to review the <br />recommendations contained in this report. In any case, ECI should be retained to perform <br />a general review of the finai design. <br />• r 1 �7� <br />0 <br />The subject site is knawn as Seaway Tr�ct 2, Lots 1 and 2 of the Intracorp Industriai <br />Park. The Iots are approximately rectangular shaped and are about fourteen (14) acres <br />in size. The site is bordered to the west by a steep ascending slope, to the north by a <br />stormwater detention faciliry and trucking operation to the south by light industrial <br />buiidings and to the east by Hardeson Road. <br />The west ascending slope has a gradient ranging fram less than 30 percent to near <br />vertical in localized areas. The overall slope gradient is abaut 50 to 100 percent (2H:1 V <br />to 1 H:1 V). <br />The slope is vegetated with alder and maple trees and a thick understory of brush. <br />The building areas are tevel to slightly undulating, with an overall slope down to the east. <br />�� <br />The site was pre4iously used as a gravel mine. After completion of the mininy, the site <br />had an approximate level of about thirty (30) to forty (40) feet below the Ievel of <br />Hardeson Road. In the summer and fall of 1996, the site was filled with un to forry (40) <br />feet of structural fill. The fill consisted of siity sand with gravel from the Seaway Tract 1 <br />develapment to the west and the Seaway Tract 3 deveiopment east of Hardeson Road. <br />The fill used to raise grades was placed in thin horizontal lifts which were compacted <br />using a large vibratory drum roller. Field densiry tests were conducted on the fiil in <br />accordance with ASTM D-2922, Nuciear Gauge Method. The results of our tests indicate <br />the fill was adequately compacted to 90 percent maximum dry density in accordance with <br />the Mudified Practor (ASTh1 D-1557). <br />Er�h ComuK�e. �ne. <br />�� <br />