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Sanitary Sewer <br /> Pump Calculations <br /> Interwest — Everett Contractor's Yard <br /> Site Improvements <br /> Prepared for: <br /> Interwest Construction Company <br /> 609 North Hill Boulevard <br /> Burlington,WA 98223 <br /> Contact: Roy Swihart <br /> Phone: (360)899-9628 <br /> Prepared by: <br /> Sitts&Hill Engineers, Inc. <br /> 4815 Center Street <br /> Tacoma,Washington 98409 <br /> Contact: Kathy Hargrave, P.E. <br /> Phone: (253)474-9449 <br /> Prepared: October 2020 <br /> S&H Job Number 18,831 <br />