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C) <br /> February 25, 2009 <br /> Project Number 10.09 <br /> FOR: Mr. David Cunningham <br /> Mr. Josh Cunninghame�G'' y <br /> 9836 Melton Road <br /> Manteca, CA 95337 ��,+ ►� � <br /> PROJECT: 26305 South Austin Road <br /> Manteca, CA 95366 <br /> APN 257-210-15 <br /> SUBJECT: Percolation Testing for a Residential Septic System. <br /> INTRODUCTION <br /> Chesney Consulting has been retained by Mr. Josh Cunningham to conduct percolation testing at <br /> his future residence, located at the address referenced above. The property consists of a 38-acre <br /> Designated Remainder Parcel that was subdivided in 2004. The proposed residence is to be <br /> constructed approximately 870 feet west of the intersection of Austin Road and Moncure Road, / <br /> and 85 feet south of a private road owned by the Cunningham's. <br /> Percolation testing had been previously conducted on the subject Parcel when a 2-acre homesite <br /> Parcel was subdivided near the east-center property line of the 40-acre orchard, as illustrated on <br /> the S.J.C. District Viewer Map in Appendix A. This initial perc test was conducted by Neil <br /> Anderson and Associates for completion of a Soil Suitability Study for the original Minor <br /> Subdivision. The policy of the San Joaquin County Environmental Health Department (EHD) is <br /> to have percolation testing conducted within 100 feet of the proposed installation of a septic <br /> system leachfield. <br /> The percolation test locations and effluent disposal area for Mr. Cunningham's new home are <br /> denoted on the attached Site Plan drawn by Mr. Josh Cunningham, and found in Appendix B. <br /> Acceptable percolation was determined in both 36-inch and 42-inch deep perc test borings, <br /> which are representative of typical and maximum leachline trench depths. <br /> r <br /> SUBSURFACE SOIL STRUCTURE <br /> Percolation test borings were hand-drilled in the effluent disposal area. A field log-of-boring was <br /> made from soil auger cuttings, which is found on the EHD Percolation Test Rate Form found in <br /> i Appendix C. Soil characteristics are described using the Unified Soil Classification System <br /> (USCS). <br /> Page -1- <br /> P. O. Box 3794 • l uribck, Cil 95381 • Office (tog) 668-1403 • ,fax (tog) 668-2598 <br />