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GEOTECHNICAL <br /> NEIL O. ANDERSON ENVIRONMENTAL <br /> A N D A S S O C I A T E S <br /> INSPECTIONS x TESTING <br /> LABORATORY SERVICES <br /> POOL ENGINEERING <br /> POST TENSION DESIGN <br /> December 13, 2007 RE(rMVEDD <br /> Project Number: E07205A <br /> Mr. Terry Hull Sr. DEC 1 4 2007 <br /> Hull Family Properties, LLC. ENVIRONMENT <br /> 200 W. Harding Way PERMIT. HEALTH <br /> Stockton, CA 95204 /SERVICES <br /> Subject: Cherry Lane Park Septic Repair <br /> 11225 East Highway 26 <br /> Stockton, California <br /> Dear Mr. Hull, <br /> Per your request, our office has completed the required septic system design requested <br /> by Mr. Rodney Estrada of the San Joaquin County Environmental Health Department <br /> (EHD) in Stockton, California. As we discussed, two septic tank sites at the park require <br /> periodic or weekly pumping due to high effluent levels in the tanks. We understand <br /> that the tanks next to trailer spaces 8 and 34 require pumping (see attached plate). It <br /> is believed that the seepage pits attached to the tanks may be failing or percolating <br /> slowly. Another possibility for failure is that the trailers have running water flowing <br /> continuously into the tanks. Monitoring of the water meters may he helpful for tracking <br /> down the water use at these sites. <br /> The scope of our project was to contact Mr. Estrada and discuss the details of the repair <br /> required. In addition to meeting with EHD, preparation of a septic system repair design <br /> and letter, and submittal to EHD no later than December 14, 2007 was included in the <br /> scope. The report submittal fees were paid by our office. <br /> On Tuesday, December 11, 2007, I met with Mr. Estrada and Mr. Michael Escotto of the <br /> EHD at their office. It was determined that Space No. 8 has a flow rate of about 1,000 <br /> gallons per day into the tank. Space No. 34 has about 300-400 gallons per day flow. <br /> One trailer space is vacant near Space No. 34. <br /> Attached to this letter is the resulting septic system repair design for both spaces. The <br /> following information is the calculation used to design the pits based on standard septic <br /> design criteria for commercial systems. An additional 200 gallons per day was added to <br /> the tank next to Space No. 34 to account for the unoccupied space. Please see the <br /> attached plans for additional details. <br /> LODI • SACRAMENTO • RENO • MODESTO • WALNUT CREEK <br /> L 0 D 1 902 Industrial Way • Lodi,CA 95240 • 209.367.3701 • FAX 209-333-8303 • www.noanderson.com <br />