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4 <br /> Dillon & Murphy prepared a Soils Suitability Study for this property as part <br /> of the Zone Reclassifications/General Plan Amendment application in <br /> ` <br /> December, 2005 (enclosed). In that report, the only y percolation test information <br /> submitted was historical information for the existing house on the property. The <br /> information was taken from EHD records. <br /> The depth to groundwater on this property is approximately 2.5 feet. Due to this <br /> i shallow groundwater, percolation tests cannot be performed per County criteria <br /> S42" deep hole). However, EHD is requiring each parcel to have a percolation test <br /> j as a Condition of Approval. <br /> In conformance with the previous percolation test performed on the property, 18" <br /> deep holes were tested on Parcel 2 and 3. One 42" deep hole was tested on Parcel 1 . <br /> The holes were 8" diameter and 2" of gravel was placed on the bottom of the holes. <br /> Even though all the parcels had a passing percolation rate, the two shallow tests <br /> could not conform to San Joaquin County Policy EHD 02-02 due to high <br /> groundwater. Therefore, an engineered system is recommended. <br /> The Soils Suitability Report prepared by Dillon & Murphy in December, 2005 had an <br /> engineered system for the home currently under construction (Parcel 1 ). Since there <br /> 1 are no immediate plans for developing Parcel 2 or Parcel 3, the same engineered <br /> system is proposed. If building plans are submitted for Parcel 2 or Parcel 3 that are <br /> significantly different from the house that the system is engineered for, a more <br /> detailed engineered system is recommended. <br /> f <br /> F <br /> Murphy p�oFssloNa <br /> R. E. 45277 ��a �MURP F <br /> 7 <br /> OF C At1E�� <br /> c:104181Addendum <br />