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NEIL O . ANDERSON <br /> AN D ASSOCIATES <br /> A 1 rerracon COMPANY <br /> August 1, 2016 <br /> Mr. Sukhjit "Tony" Singh <br /> Continental Development Consultants, Inc. <br /> 74723 W. Lake Mead Boulevard, Suite 100 <br /> Las Vegas, NV 89128 <br /> Subject: Engineered Septic System <br /> Sunrise Trucking <br /> APN: 193-320-16 <br /> 865 E. Roth Road <br /> Lathrop, California <br /> Project Number: NA157003G <br /> Dear Mr. Singh: <br /> Per your request, our office has completed a revision of the engineered septic system design for <br /> the proposed Sunrise Trucking project, APN: 193-320-16, located at 865 East Roth Road in <br /> Lathrop, California. Our original design was contained in plans and letter dated October 23, 2015. <br /> Our office also performed a Nitrate Loading Study and Soil Suitability Study or the subject <br /> property, dated October 23, 2015, as well as a geotechnical investigation (NA155005), dated April <br /> 15, 2015. <br /> The previous design was for a single toilet and sink to service two (2) employees located at the <br /> guard shack, but with a leach field sized to handle the future expansion of up to ten (10) additional <br /> employees. It is now desired to construct the septic system for all future expansion. The system <br /> will service three (3) separate toilets and sinks located at the guard shack, a 2,100 square foot <br /> office building, and a future truck repair/service building respectively. A 1200 gallon septic tank <br /> and a duplex pump lift station will be located at each location. All three pump lift stations will be <br /> connected with 2" tight lines to the leach field distribution box. Since the leach field was originally <br /> designed to accommodate future growth, no resizing or re-calculation of the system is required. <br /> However, it was desired to relocate the leach field from adjacent to the guard shack to the rear <br /> north side of the parcel. <br /> An engineer from our office visited the site on July 8, 2016 and excavated a 4.0 foot deep test <br /> hole in the new location of the proposed leach field. Soil encountered in the test hole consisted <br /> of silty sand, similar to that encountered in our original percolation test hole. Consequently there <br /> is no change to the percolation rate used in design. <br /> Please see the attached plans regarding the re-designed septic system layout. <br /> Lodi • Sacramento • Concord <br /> Phone: 209.367.3701 • Fax:209.333.8303 • www.noanderson.com <br /> 902 Industrial Way, Lodi,CA 95240 <br />