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IRDC EVERETT TRANSFER FACILITY Everett,Washington <br /> IGroundwater Conditions <br /> Groundwater seepage was observed to range from 11 to 14 feet below the ground surface during <br /> I <br /> the drilling in borings B-2, B-4, and B-5 through B-8. We expect that the groundwater levels will <br /> fluctuate in response to water levels in the Snohomish River and also seasonally with precipitation. <br /> IPAVEMENT LOADING CONDITIONS <br /> I We understand that RDC operates heavily loaded equipment at the site to transfer containers from <br /> trucks to a train. Our understanding of the pavement loading conditions is based on information <br /> provided by Reid Middleton in an email dated April 24, 2013. The equipment used at the site <br /> I currently consists of a Caterpillar V-925, Rago-Wagner reachstacker and the Kalmar 5501. <br /> We understand that the Kalmar reachstacker is the heaviest and most often used piece of <br /> equipment. The service weight of the Kalmar is about 173 kips with a rated capacity of about <br /> I 99 kips. We understand that the typical container weight at the site ranges from about 74 kips to <br /> 78 kips. Therefore,the combined maximum loading of the reachstacker is approximately 250 kips. <br /> The containers are delivered to the site on trucks weighing about 21 kips with the heaviest <br /> I trailers weighing up to 25 kips. RDC has recorded container counts loaded from trucks since <br /> August 2011. The container counts are summarized in Table 2. We understand that the facility <br /> receives approximately 55 to 100 truck trips per day based on their customer needs. <br /> ITABLE 2. HISTORICAL TRANSFERRED CONTAINER COUNT <br /> I Date Number of Containers Transferred <br /> • 8/2011 1,378 <br /> 9/2011 1,256 <br /> I10/2011 1,333 <br /> 11/2011 1,404 <br /> I12/2011 1,300 <br /> 1/2012 1,083 <br /> I 2/2012 1,360 <br /> 3/2012 1,253 <br /> 4/2012 1,281 <br /> I5/2012 1,361 <br /> 6/2012 1,403 <br /> I7/2012 1,537 <br /> 8/2012 1,666 <br /> I 9/2012 1,486 <br /> 10/2012 1,518 <br /> 11/2012 1,468 <br /> 12/2012 1,518 <br /> 1/2013 1,601 <br /> I <br /> I Page 4 June 18,2013 GeoEngineers,Inc. <br /> File No.4322-002-00 <br />