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SITTS & HILL ENGINEERS, INC. <br /> TACOMA, WASHINGTON (253)474-9449 JOB: 17659 <br /> DESIGNED: EMF DATE: 01/13/2019 27 <br /> ' PROJECT: SITE PUMPED INDUSTRIAL WASTE CHECKED: BKL DATE: 01/13/2019 <br /> Trench Walls: <br /> The trench walls were modeled as a fixed base, top restrained wall element in Enercalc. <br /> Assuming a 1:1 load distribution throughout the depth of the trench, the Enercalc wall <br /> was modeled as a 4'-0" wide element that resists a single wheel load. The wheel load <br /> was applied with an eccentricity equal to half the wall thickness. Per the attached <br /> Enercalc analysis, a 1'-0" thick wall reinforced with #5 longitudinal reinforcing bars at 6" <br /> O.C. on both sides is OK to withstand the design loads. <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br />