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• <br /> Em 4'G <br /> _Co GEOTECHNICAL <br /> 'GE ENVIRONMENTAL <br /> WATER RESOURCES <br /> I N C O R P O R A T E D CONSTRUCTION SERVICES <br /> Project No. <br /> 6375.4.002.01 <br /> December 6, 2004 <br /> Ms. Wendy Wyels, Chief, Waste Discharge to Land Unit <br /> Central Valley Regional Water Quality Control Board <br /> 11020 Sun Center Drive#200 <br /> Rancho Cordova, CA 95670-6114 <br /> Subject: Yosemite Avenue Properties <br /> South Lathrop Specific Plan Area <br /> Lathrop,California <br /> WORK PLAN FOR GROUNDWATER STUDY <br /> Dear Ms. Wyels: <br /> ENGEO Incorporated is pleased to present this work plan for a groundwater study of the subject <br /> property(Property), located in the Lathrop/Manteca Area of San Joaquin County, California (Figure <br /> 1). The purpose of our services is to provide an evaluation of the groundwater conditions to <br /> assist in design and permitting of the site as a wastewater spray discharge field. <br /> PROJECT DESCRIPTION <br /> The portion the South Lathrop Specific Plan currently under option by TCN Properties (our <br /> client) proposed for development as a spray-field site consists of 11 parcels, approximately <br /> 219 acres in area of commercial, orchard, and undeveloped land located on the north and south <br /> sides of Yosemite Avenue, north of State Route 120 and north and west of the Union Pacific <br /> Railroad Tracks in the Lathrop area of San Joaquin County, California. We understand <br /> discharge of the wastewater is proposed to occur by means of spraying the water as irrigation. <br /> SCOPE OF SERVICES <br /> We propose the following scope of services: <br /> Groundwater Wells <br /> We propose to utilize the services of a licensed drilling contractor to construct five groundwater <br /> monitoring wells within the site at the proposed locations shown on Figure 2. We propose to drill <br /> five wells constructed of 2-inch-diameter PVC casing extending to depths of approximately <br /> 20 feet below existing grade using a truck-mounted drill rig. At least 48 hours prior to drilling <br /> the borings, we will mark the site for an Underground Service Alert (USA) utilities check. The <br /> wells will be permitted and constructed in accordance with San Joaquin County requirements. <br /> 2010 Crow Canon Place•Suite 250•San Ramon,CA 945831634•(925)866-9000•Fax(925)866-0199 <br /> wwwengeo.mm <br />