Laserfiche WebLink
LSeptember 9, 2005 <br /> NOA Project Number: E05039B <br /> L <br /> The soil borings were used later for percolation test holes;the locations of the borings are indicated <br /> in Plate 1. <br /> L5.2 Soil Boring Dimensions <br /> The soil borings were approximately 3 feet,as noted above, and were four inches in diameter. <br /> 5.3 Soil Lithology Observed <br /> Generally, the soil encountered in the boring is similar to the soils reported by the San Joaquin <br /> County Soil Survey for the area (USDA, 1992). Tables 4 presents the soil log for the soil borings. <br /> Table 4. <br /> Depth Interval(ft) Soil Type Unified Soil Classification <br /> 0-1 Light brown,moist,silty clay CL <br /> 1-2 Dark brown,moist,fine silty clay CI. <br /> 2-3 Reddish brown,moist fine to very fine sandy silt SM <br /> 5.4 Discussion of Soil Lithology <br /> A visual inspection of the shallow soils from on-site drilling indicates some potential for percolation <br /> because of the silty nature of the soils. A percolation test is the best method to determine the <br /> suitability of the soils for a septic disposal area. Please see the next section for percolation test <br /> results. Generally speaking, sandy soils have much greater potential for percolation than fine- <br /> grained or cemented soils. <br /> 6.0 PERCOLATION TEST INFORMATION <br /> 6.1 Percolation Test Locations <br /> A site map indicating the locations of the percolation test holes is included as Plate 1 in the appendix <br /> of this report. <br /> 6.2 Number of Percolation Tests <br /> One shallow percolation test was conducted on each parcel.A total of four shallow percolation tests <br /> were conducted on the property. <br /> M <br /> 7 '004 <br /> L <br /> L <br />