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SAN JOAQUIN COUNTY COMMUNITY DEVELOPMENT DEPARTMENT • 1810 E.HAZELTON AVE.,STOCKTON,CA 95205-6232 c4�IFoaa`P PHONE:209/468-3121 FAX:209/468-3163 4Z 1 March 9, 2000 MEMORANDUM TO: Development Committee FROM Kai Luoma /C Associate Planne SUBJECT: QUARRY EXCAVATION PRE-APPLICATION NO. QX-00-1 AND A USE PERMIT PRE-APPLICATION OF ROARDA & COWART (C/OTHE LANDMARK LATHROP GROUP, LLC.). ----------------------------------------- The project is a pre-application for a Quarry Excavation and Use Permit. The Excavation application is to remove 1 to 1.5 million tons of aggregate over 3 to 4 years. The planned final use of the quarry pit will be an aqua driving range. The Use Permit is to establish a nine-hole golf course around this aqua driving range. The golf course includes a 5,000 square foot clubhouse and 17,280 square feet of covered driving range tee-off stations. The property is zoned AG-40, which conditionally permits both quarry excavations and golf courses. Groundwater is located about 10-14 feet below ground level. The operator intends to drill several wells around the perimeter of the pit to remove groundwater before it floods the pit. This groundwater is to be pumped into the San Joaquin River. Scrapers will then be used to remove the aggregate. Should this method of excavation prove unfeasible, the operator will consider using a floating suction slurry to remove the aggregate. The aggregate is to be washed and stockpiled at the site. The site is currently an orchard. The excavation will disturb approximately 32 acres of a 162- acre parcel, with settling ponds and stockpiled overburden material occupying about an additional 40 acres. Including the aqua driving range, the golf course will occupy about 74 acres. It should be noted that an initial environmental assessment has not been performed for this pre- application. The comments contained herein do not address potential environmental impacts, nor contain responses from other responsible agencies regarding such impacts consistent with requirements contained in the CEQA Guidelines. A full environmental review will be prepared at the time a full application is submitted. The Community Development Department has reviewed the applications and responses from other agencies and offers the following comments: Quarry Excavation The following issues must be resolved prior to submittal of a full application: