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ZIPPER GEO ASSOCIATES, LLC <br />19019 36' Avenue West, Suite E, Lynnwood, Washington 98036 <br />Test Pit TP-10 <br />Project: Proposed Everett Warehouse <br />Location: See Site and Exploration Plan, Figure 1 <br />Project No: 2152.01 <br />Approx. Ground Surface Elevation: 420 feet <br />Date Excavated: January 16, 2019 <br />Depth <br />Material Description <br />Sample <br />NC <br />%M <br />Testing <br />(ft) <br />8 inches of topsoil <br />S-1 @ <br />1 <br />0 feet <br />2 <br />S 2 @ <br />Medium dense moist to wet brown SAND with silt some <br />' ' ' ' ' <br />2 %2 feet <br />10 <br />3 <br />gravel <br />4 <br />5 <br />S-3 @ <br />8 <br />6 <br />........................................................... <br />Dense, moist to wet, gray -brown, silty SAND with some <br />gravel <br />5 feet <br />7 <br />8 <br />S-4 @ <br />7 %2 feet <br />9 <br />grades to gray <br />10 <br />S-5 @ <br />11 <br />10 feet <br />Test pit completed at approximately 10 %2 feet. <br />Slight groundwater seepage was observed at <br />12 <br />approximately 5 feet while excavating. No caving was <br />observed while excavating. <br />13 <br />14 <br />15 <br />16 <br />17 <br />ote: Nc is the Dynamic Cone Penetrometer blow count <br />per 1.75-inch interval measured in accordance with ASTM <br />S ecial Technical Publication #399. <br />