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STARK 4001 Main Street,Suite 305 <br /> FOUNDATIONS Vancouver,WA 98663 <br /> P: 360.566.7343 <br /> E: starkd@starkfdn.com <br /> GEOLOGIC SETTING <br /> The existing structure is located in Everett,Washington. The geologic structure in the area is comprised of silty gravel and the site is flat. It is our <br /> opinion that the localized settlement is a result of improper foundation drainage and/or undersized footings. We believe that suitable support can <br /> be achieved by installing helical and/or push piers. <br /> SUMMARY <br /> The ultimate load requirement for the helical piers is 8000 lbs and based on the geologic setting,we expect the piers to achieve adequate capacity <br /> at approximately 8—25 feet. We recommend that the piers with a 2 7/8 inch shaft and 10 inch diameter helix plate be installed to a minimum <br /> depth of 8 feet and a minimum installation torque of 900 ft—lbs,or refusal. <br /> Regards, <br /> 0.1. WAIN <br /> oEwasy� F <br /> Daniel Stark,P.E. J`ram` <br /> Stark Foundations i y <br /> h <br /> �140643 �4i <br /> % 4' E1� <br /> FSS�ONA1QIST -�-�G <br />