SU0012939 SSNL - Laserfiche WebLink

Home Browse Search

?o.ti a so NEIL O.��ANIXEkSON& ASSOCIATES, INC. P . GEOTECHNICAL-ENVIRONMENTAL•GROUNDWATER•INSPECTIONS•TESTING•LABORATORY SERVICES' - s N CORPORATE OFFICE SACRAMENTO OFFICE y, 22 Hou3ton lane 4721 Nonhptc BoWcvwd,suite6 p CMCO (530)891-6304 Lodi.Cahfomia 95240 Sacramento,Califomia 9$834 q �P STOC KTON (209)472-1091 (209)367-3701 (916)929-9267 `4 S Q G RANCHO CORDOVA (916)631-4455 -'FAX:(209)333-8303 FAX:(916)929-9269 - August 21,2001 - Job No:LG(i0-339 , Mr.George Rose Western Asset Recovery ; 900 Post Road Oakdale,CA 95361 Re' Addendum, Soil Suitability/Nitrate Loading Study 12897-South Cometa Road,Oakdale California 0 04 \ ` \ Dear Mr. Rose, 4 O Per your request,we have completed our evaluation of eleven(11)new proposed residential parcels located northwest of the intersection of Cometa and Edwards Roads in Valley Home,California. This work was performed as anew addendum to a Soil'Suitability/Nitrate Loading Study dated October 12,2000. Two . . (2)addendum letters dated November 27,2000 and dated April 12,2001 in addition to this letter,supplement the original report. General Eleven (11) new proposed residential parcels, whose size ranges,from 2.10 to 2.47 acres, are planned to be included as part of the residential development. The location of the eleven(11)parcels are shown on Plate no.'L We understand from San Joaquin County Public Health Services, Environmental Health Division (SJC PHS-EHD) that additional percolation tests and an addendum letter to the Soil Suitability/Nitrate Loading Study dated October 12,2000 would be required for the project.- Our roject:Our scope of work included conducting eight (8) new percolation tests, one on each of.eight (8) ' parcels which have not received a test. Three(3) of the eleven(11)parcels are in-areas which have been evaluated by a percolation test performed by our office during the fust phase of percolation testing last year. In addition,an addendum letter describing the results ofthe testing and our recommendations was prepared. Test Borings On August 8, 10,and 16,2001,eight(8)-percolation test borings were drilled on-eight parcels(Plate 1).Generally,the eight(8)borings-composed of similar materials which consisted of a mix of medium sand withina matrix of silt or clay.Below clayey surface soils,sandy silt was the predominate soil type.A thin clean sandy stratum was normally encountered between the depths of 7-feetto 21-feet. 'lois sandy zone was selected for the percolation test. The soils encountered during the drilling of the eight(8)percolation test hales-were similar of the soil conditions encountered at other locations of the site.