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011 Levine-Fricke-ReconENGIN <br /> March 3, 1998 4111.36-004 <br /> via U.S. mail <br /> Ms. Sarah Hart <br /> Associate Superintendent <br /> Lincoln Unified School District <br /> 2010 West Swain Road <br /> Stockton, California 95207-4055 <br /> Subject: Request for Access to Install One Groundwater Extraction Well, One Piezometer, and <br /> Conveyance Piping in the Lincoln Elementary School Faculty Parking Lot, 818 West <br /> Lincoln Road, Stockton, California (Parcel Number 097-41-002) <br /> Dear Ms. Hart: <br /> On behalf of the Settling Dry Cleaning Defendants (SDCDs), Levine-Fricke-Recon Inc. (LFR) is <br /> confirming that Lincoln Unified School District has granted access to drill and install one <br /> groundwater extraction well and one piezometer (monitoring well) at Lincoln Elementary School, <br /> located at 818 West Lincoln Road in Stockton, California, during the period of April 3 through <br /> April 13, 1998. As you discussed with Chris Alger of LFR and Wilbur Smith of Lincoln <br /> Properties, Ltd., on February 11, 1998, these wells are being installed as part of the construction <br /> of a groundwater extraction system at Lincoln Center. <br /> The wells will be installed in the faculty parking lot at the locations shown on the attached figure <br /> during the Easter holiday. We are scheduled to begin work sometime between 8:00 a.m. on <br /> Friday, April 3, and 8:00 a.m. on Monday, April 6, depending on the completion of drilling work <br /> being conducted at Lincoln Center. Regardless, work will be completed by 7:00 a.m. on April 13. <br /> We will provide more specific notification of the exact start date no later than 48 hours before the <br /> start of work. <br /> As you also discussed with Chris Alger and Wilbur Smith, a conveyance piping trench will be <br /> installed in the faculty parking lot between the extraction well and the southern property boundary. <br /> Construction of this trench will not be performed until after the Easter holiday because of <br /> contractor schedules. The trenching work will therefore be performed at night between 10 p.m. <br /> and 7 a.m. to avoid any impact on the use of the faculty parking lot during daytime hours. We will <br /> provide at least 48-hours prior notice as to the start date for the trenching work and any additional <br /> work necessary to complete the system. Once the entire groundwater extraction system is <br /> installed, the SDCDs' will need access during nighttime hours over several weeks to make minor <br /> adjustments to the equipment and to check water levels. We will coordinate the schedule for these <br /> field activities directly with you well in advance of system startup. <br /> Before conducting these intrusive field activities, any buried utilities that are present in the parking <br /> lot in the vicinity of the well and trench locations will be located and marked on the asphalt to <br /> 1900 Powell Street, 12th Floor, Emeryville, California 94608-1827 • (510) 652-4500 • fax(510) 652-2246 • Offices worldwide <br />