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Brovelli Woods Page 7 of 9 <br /> Our Project Number: LGS080537 <br /> August 31, 2008 <br /> 6.6 Percolation Test Forms and Results <br /> The completed percolation test form is included in the appendix of this report. <br /> A shallow percolation test is defined by the EHD as being between 36 and 42 inches in depth; a <br /> satisfactory percolation rate for a shallow test is less than or equal to 60 minutes per inch drop. <br /> A deep percolation test is defined as being between 3.5 and 25 feet in depth; a satisfactory <br /> percolation rate for a deep test is 30 min/in or less. One percolation test must demonstrate a <br /> satisfactory percolation rate within the proposed septic system disposal field of each parcel to <br /> utilize a standard septic system. Details of the percolation tests are summarized in the table <br /> below. <br /> Table 3 <br /> Summary of Percolation Tests <br /> Percolation <br /> Test No., Test Percolation Rate Test Comments <br /> Date Tested Depth (feet) (minutes/inch) Duration (see notes) <br /> P-1 (shallow) 3.05 25 4-hr Satisfactory percolation <br /> 8-27-08 rate <br /> P-2 (shallow) 3.10 14.71 4-hr Satisfactory percolation <br /> 9-3-08 rate <br /> Note: A satisfactory percolation rate for a"shallow"test is less than or equal to 60 minutes per inch. <br /> A satisfactory percolation rate for a"deep"test is less than or equal to 30 minutes per inch. <br /> x-6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal areas of the site have demonstrated a satisfactory <br /> percolation rate in accordance with the requirements of the EHD for the use of a standard <br /> septic system. <br /> 6.8 Discussion of Septic System Sizing <br /> Septic system construction should follow the San Joaquin County On-Site Wastewater Disposal <br /> Standards where applicable. <br /> 7.0 CONCLUSIONS <br /> In summary, percolation rates that meet the minimum EHD standards were achieved in the <br /> proposed septic disposal areas of each of the proposed parcels. The parcels appear suitable for <br /> the use of a standard septic system. <br /> No groundwater was encountered in any of the borings drilled on the property to a depth of 8.5 <br /> feet. Groundwater in the vicinity of the site ranges between approximately 20 and 60 feet <br /> 902 Industrial Way• Lodi,CA 95240.209.367.3701 •Fax 209.369.4228 «2008 Neil O.Anderson&Associates.Inc <br />