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L November 27,2006 <br /> NOA Project Number: E06115A <br /> Table 8. <br /> Summary of Percolation Tests for Recreational Vehicle Disposal Area 3 <br /> Test No., Percolation Percolation Rate Test Comment <br /> Date Tested Test Depth(ft) (minutes/inch) Duration (see notes) <br /> RV Dispoal Field <br /> 10-25-06 .85 2.1 1-hr Satisfactory Pere Rate <br /> C <br /> RV0t Field <br /> 1 -25-06 1.20 4.03 4-hr Satisfactory Pere Rate <br /> 10-25- <br /> r RV Dispoal Field <br /> 10-25-06 1.7 50 4-hr Satisfactory Pere Rate <br /> Note: A satisfactory percolation rate for a"shallov/'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 /> Table 9. <br /> Summary of Percolation Tests for Potential RV Disposal Area 4 <br /> Test No., Percolation Percolation Rate Test Comment <br /> Date Tested Test Depth(ft) (minutes/inch) Duration (see notes) <br /> 10-13-06 3.26 250 ✓ 4-hr Failed Pere Rate <br /> 10-13-06 2.1 250 ✓ 4-hr Failed Pere Rate <br /> Note: A satisfactory percolation rate for a"shallov/'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 /> V 6.7 Discussion of Percolation Test Results <br /> The soils within the sewage disposal area of the marina office and snack shop are approximately six <br /> feet from the level of groundwater and have demonstrated a satisfactory percolation rate in <br /> accordance with the requirements of the EHD for the use of a standard septic system. <br /> The soils within the sewage disposal area for the recreational vehicles have also demonstrated a <br /> ` satisfactory percolation rate in accordance with the requirements of the EHD for the use of a <br /> standard septic system,however, they are within close proximity to groundwater,which was found <br /> 6. at 2.8 feet below ground surface.This area appears suitable for an engineered septic system. Our <br /> office has been contracted by the client to prepare an engineered septic system design and layout. <br /> L6.8 Discussion of Septic System Sizing <br /> Septic system construction should follow the San Joaquin County On-Site Wastewater Disbosal <br /> LStandards where applicable. Our office has been contracted by the client to prepare an engineered <br /> septic system design for the disposal field associated with the 38 recreational vehicles. \ <br /> L <br /> 11 <br /> L <br />