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GEOLOGIC SETTING <br /> The existing structure is located in Everett,Washington. The geologic structure in the area is comprised of silty loam and the site is relatively flat.It <br /> is our opinion that the localized settlement is a result of improper foundation drainage and/or undersized footings. We believe that suitable support <br /> can be achieved by installing helical and/or push piers. <br /> SUMMARY <br /> The ultimate load requirement for the helical piers is 20000 lbs and based on the geologic setting,we expect the piers to achieve adequate <br /> capacity 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 <br /> minimum depth of 8 feet and a minimum installation torque of 2300 ft-lbs,or refusal. <br /> Regards, <br /> W <br /> ����pE WAS,/c*ea, <br /> Daniel Stark,P.E. <br /> Stark Foundations x h •••;:7'. <br /> :p 40643 4i <br /> ��` AfGfSTE0 � <br /> F`'S/ONAI�-aG <br />