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k4 KLEINFELDER <br /> SOIL SUITABILITY AND NITRATE LOADING STUDY <br /> 19898 SOUTH JACK TONE ROAD <br /> SAN JOAQUIN COUNTY, CALIFORNIA <br /> 1. GENERAL <br /> Kleinfelder is pleased to present the results of our soil suitability and nitrate loading <br /> study for the proposed single family residence to be locate�y� near Ripon, California. <br /> The Assessor's Parcel Number of the property is 245-160-03'. A site plan showing the <br /> %2 approximate site boundaries is presented on Plate 1. The purpose of our study was to <br /> L determine the suitability of the property for septic tank usage. The study was <br /> performed in general accordance to the requirements of Section 9-10100© of San <br /> Joaquin County Ordinance. The following sections include background information <br /> regarding the project site and the proposed development, past and present uses of the <br /> site, existing septic tank performance and permitting, and the groundwater conditions <br /> in the project area. In addition, discussions regarding our investigative procedures <br /> and the site conditions encountered during our field exploration are included. Finally, <br /> the results of our percolation tests, nitrate loading calculations, and subsequent <br /> conclusions are presented. <br /> 2. SITE DESCRIPTION / PROPOSED DEVELOPMENT <br /> At the time of our study, the subject 18-acre parcel was occupied by an almond <br /> / % orchard. A wind machine and irrigation well were located near the center of the <br /> property, a dirt road extended along its north side, and a concrete irrigation control <br /> structure were located in the eastern portion. Two sheds were located near the <br /> southwest corner of the property, along with scattered woodpiles. The site was bound <br /> to the north by an orchard, a shed and a residence; to the northeast by an irrigation <br /> canal; and to the east by a fallow agricultural field. The area south of the site was an <br /> orchard with two residences and Jack Tone Road bounded the site to the west. The <br /> /- existing parcel is zoned AG-40 (General Agriculture). An aerial photograph (1993) <br /> showing the site is presented on Plate 2. <br /> a On a preliminary basis, we understand that a single-family residence will be <br /> constructed on the subject property. Appurtenant construction will include a paved <br /> interior street, various concrete flatwork, and buried utilities. We anticipate the <br /> proposed home will be a one story, wood frame structure with shallow spread <br /> ` foundations and a concrete slab-on-grade floor system. A map showing the <br /> approximate location of the proposed structure, septic/leach field, and well is <br /> presented on Plate 3. <br /> We understand that the proposed residence will have an on-site septic tank/leach field <br /> system. According to the San Joaquin County Onsite Wastewater Disposal Standards <br /> 4349&G01/ST05R1014 September 27,2005 <br /> .` Copyright 2005 Kleinfelder, Inc. Page 1 of 7 <br />