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- March 17, 2.005 <br /> NOA Project Number: E05008A <br /> F = Table 11. <br /> Summary of Percolation Tests. <br /> y Test No., Percolation Percolation Rate Test Comment, <br /> Date Tested Test Depth(ft) (minutes/inch) Duration (see notes) <br /> P-1 shallow,3-4-05 <br /> (Parcel .1) 3.23 3.91 4-hr Satisfactory percolation rate <br /> �. <br /> P=2 shallow;3-4-05 3.20 22.7 4-hr. Satisfactorypercolation rate <br /> (Parcel 2) <br /> P-3 shallow,3-3-05p , <br /> (Parcel 3) 3.05 ..10.9 4-hr. Satisfactory percolation tate — <br /> P-4 shallow,3-3-05 3.0 = 35.7 W .4-hr. . Satisfactory percolation rate <br /> l (Parcel 4) <br /> P-5 shallow,3-2-05 <br /> (harcel-5)- a 3.10 _ -_ 83"33_ _ 4-hr. Slow percolation rate,fail <br /> ! 'P-6-shallow,3-2-05 <br /> 3.0 — 83.33 4-hr." - Slow percolation rate'fail. <br /> {parcel 6} - <br /> P-7 shallow,3-3-05 - • <br /> - Parcel.7 __ 3.1... _. = 11.4... . 4-hr. Satisfactory percolation rate <br /> _ -_ f <br /> Note:,'_ A satisfactory percolation rate for a"shallow'.'test is less than or equal to 60 riunutes per inch. <br /> 6.7 Discussion of Percolation_Test Results=: - <br /> ---The' <br /> soils within the sewage_disposal areas of the proposed Parcels 1, 2, 3 4 and 7 have.=- <br /> demonstrated a satisfactory percolation rate in accordance.with the requirements of the EHD. The <br /> { soils of these parcels appear to be suitable for a sraridard septic system. The'soils withing the <br /> j - disposal areaof the proposed Parcel 5 and 6 do not sh_6* a satisfactory percolation rate: These soils _ <br /> are found to be suitable for-use with an engineered.se-:tic_s stem. <br /> =6.8 Discussion of Septic-System-Sizing <br /> Septic system construction should Tollow-the San Joaquin County Ora-Site Wastewater Disposal <br /> Standards where applicable <br /> 7.0 CONCLUSIONS <br /> -In summary, satisfactory percolation rates of the soil were achieved in the proposed septic disposal <br /> areas of five of the seven parcels.: The proposed Parcels 1,2, 3, 4 and 7 appear suitable for a <br /> standard septic system. <br /> The proposed Parcels-5 and 6 appear suitable for an engineered septic system. We recommend a <br /> Civil Engineer prepare a septic system-design for-Parcels-5 and 6 unless additional percolation <br /> I <br />