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ZIPPER GEO ASSOCIATES, LLC <br />19019 361 Avenue West, Suite E, Lynnwood, Washington 98036 <br />Test Pit TP-4 <br />Project: Proposed Everett Warehouse <br />Location: See Site and Exploration Plan, Figure 1 <br />Project No: 2152.01 <br />Approx. Ground Surface Elevation: 424 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 loose, wet, brown, SAND,with cobbles and <br />S-1 @ <br />1 <br />ravel, trace silt, roots and organics (TOPSOIL. <br />.. .. ...... <br />Medium dense, wet, brown -gray with slight oxidation, silty <br />0 feet <br />S-2 @ <br />2 <br />SAND, with cobbles, some gravel <br />grades to gray <br />1 foot <br />12 <br />3 <br />4 <br />S-3 @ <br />10 <br />5 <br />grades to medium dense to dense <br />4 feet <br />6 <br />7 <br />S-4 @ <br />8 <br />7 % feet <br />9 <br />10 <br />S-5 @ <br />8 <br />Test pit completed at approximately 10 % feet. <br />Slight groundwater seepage was observed at <br />11 <br />10 feet <br />12 <br />approximately 2 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 />