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K <br /> the subject parcel. The records according to Mr. Huggins indicate that 18401, 18623, <br /> 18511, and 18435 have been repaired. System 18370 has been repaired twice. We <br /> have no knowledge of failing systems around the parcel. <br /> (2) This has been addressed in above mentioned reports. Results of extensive soil <br /> testing is described in the first report. Kleinfelder performed four approximate 3-foot <br /> deep percolation tests aloe the west border of the site. The <br /> g percolation tests were begun <br /> by filling the test holes to the surface with water and allowing them to soak overnight. <br /> On May 2, 1990, tests were conducted according to San Joaquin County guidelines. The <br /> tests were monitored for a period of 4 hours, and the last 30 minutes of each test were <br /> used to calculate the following percolation rates in minutes per inch (min/in): <br /> 3-FOOT DEEP PERQQLADON TESTS <br /> Percolation Rate <br /> Test No. (Min/ inch) j <br /> 2 30 <br /> 3 15 <br /> 4 30 <br /> 5 15 <br /> 1 <br /> Wert and Associates conducted more quantitative test April 19-23, 1990. Absorption <br /> trenches demonstrated that the water flows vertically through the soils. Even tests on <br /> soils with the cemented pan showed that water moves vertically. The pan is not <br /> continuous and contains seams of permeable soil. <br /> Design sewage flow will be 9500 gpd. It will be applied to about 30,000 sgft area. <br /> Absorption trenches showed that each sqft below the drainfield can absorb an average of <br /> 5.0 gaVsgfVday, which is equivalent to 150,000 gpd. The soil can absorb 16 times the <br /> daily sewage flow. <br /> 5 ' <br />