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SOILS AND PERCOLATION TESTS <br /> The "Soils of San Joaquin County , California" as published <br /> by the University of California indicates the predominant <br /> soils type at the site to be Hanford Sandy Loam ( brownish) <br /> or San Joaquin Loam , deep ( reddish brown ) . We encountered <br /> a heavy , reddish, material with some clay . <br /> Two six inch diameter by three foot deep percolation test <br /> holes were dug on the property . A percolation test was run <br /> on May 14 , 1991 under permit and inspection by San Joaquin <br /> Public Health Services . The location of the test holes and <br /> the test results are shown on Exhibit 6 . <br /> Test Hole #1 ( located South of the shop ) was the hole <br /> tested and the test just passed , at a percolation rate of 60 <br /> minutes per inch . A pre-test indicated that Test Hole #2 <br /> had a percolation rate of about 68 to 70 minutes per inch. <br /> CONCLUSION <br /> Based upon the results of the percolation tests, interview <br /> and other data , it is my opinion that the subject property <br /> is suitable for septic systems, and that the use of septic <br /> systems should not impact or degradate the existing water <br /> table at the density proposed . I recommend that 12,0()0 <br /> S.F . be reserved South of the existing structure for leach <br /> area expansion . <br /> LIMITATIONS <br /> The conclusions of this report are based on the information <br /> provided regarding the existing and proposed development , <br /> and on the site conditions as they existed at the time we <br /> performed the percolation test . It was assumed that the <br /> test hole and percolation test results are representative <br /> of an average of the subsurface conditions in the general <br /> area . <br /> Our professional services were performed , our findings <br /> obtained , and our conclusions proposed , in accordance with <br /> generally accepted engineering principles and practices . <br /> This warranty is in lieu of all other warranties, either <br /> expressed , or implied . Test findings and statements of <br /> professional opinion do not constitute a guarantee or <br /> warranty , expressed or implied . <br /> Sincerely , OVVtoFESS/0 <br /> BAUMBACH & P I AZ Z A, I C. `� ��� �C <br /> No.42764 <br /> Exp .31- <br /> ,3-31-9? J <br /> STEVEN E . PECHIN, President \ Jfgl C�y�� <br /> Civil Engineer No. 42764 FOf A0W�` ate <br />