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GEOTECHNICAL ENGINEERING REPORT <br /> PROPOSED SILVER LAKE NORTH CELLULAR TOWER <br /> ATC #281877, AT&T #SN4924 <br /> 1810104 TH STREET SE <br /> EVERETT, WASHINGTON <br /> Terracon Project No. 81145043 <br /> October 24"', 2014 <br /> 1.0 INTRODUCTION <br /> A geotechnical exploration has been performed for the proposed SN4924 Silver Lake North <br /> cellular tower to be constructed at 1810 104TH Street SE in Everett, Washington. One boring, <br /> designated B-1, was drilled to a depth of approximately 41.5 feet below the existing ground <br /> surface (bgs). This report presents our geotechnical recommendations for design and <br /> construction of the foundations for the proposed tower and equipment shelter slab. A log of the <br /> boring along with a Site Location Map and a Site and Exploration Plan are included in Appendix <br /> A of this report. <br /> The purpose of these services is to provide information and geotechnical engineering <br /> recommendations relative to: <br /> subsurface soil conditions ■ foundation design and construction <br /> groundwater conditions ■ slab design and construction <br /> earthwork ■ seismic considerations <br /> field resistivity testing <br /> 2.0 PROJECT INFORMATION <br /> 2.1 Project Description <br /> Item Description <br /> Site layout See Appendix A, Exhibit A-2: Site and Exploration Plan. <br /> Structure 60-foot tall monopole tower and a prefabricated equipment shelter <br /> inside a 24'-6"x 36' fenced area. <br /> Vertical: 30 kips (assumed) <br /> Maximum tower loads Shear: 35 kips (assumed) <br /> Moment: 3,000 kip-ft (assumed) <br /> Grading Minimal grading within the lease pad area anticipated to be on the <br /> order of approximately 1/2 to 1 foot. <br /> Oprnn­slve■ Resourceful■ Reliable 1 <br />