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TRAFFIC: i Existing access to the site is off of Brandt Road via a one-half mile gravel road. No changes are proposed as part of this application. The proposed quarry expansion is not expected to generate increased traffic. Plant operations are expected to remain the same; consequently, the number of vehicle trips;to and from l the plant are expected to remain status quo at about 56 trucks per day. The E1R traffic section looked at existing and cumulative levels of service at the Brandt Road/Clements Road intersection and concluded that all intersection movements under both scenarios would experience LOS "C" or better. To mitigate impacts to the roadway surface of Brandt Road, the Department of Public Works is recommending as a condition of approval that a video tape of road conditions on Brandt Road from the entrance to State Highway 88 be made and that a bond or cash deposit be filed with the Department of Public Works to cover damages to Brandt Road resulting from KRC's operations. j. BIOLOGICAL RESOURCES: I ' The biological section of the EIR included a wetlands delineation, identification of special-status plants and wildlife, assessment of oak trees, and preparation of a map of biological resources occurring ton the site. The potentially significant biological impacts identified are: 1. Loss of blue oak trees. � 1 2. Filling of approximately 0.6 acres of waters of the United States, including wetlands.: 3. Potential loss of special-status plants. 4. Loss of habitat for vernal pool fairy shrimp and vernal pool tadpole shrimp. } 5. Loss of an active raptor nest. i 6. Disturbance of a nesting Swainson's hawk. F h 7. Loss of foraging habitat for Swainson's hawk. With the following mitigation measures, all potentially significant impacts can be mitigated to less than significant levels: 1. Obtain a Tree Management Permit, replant blue oaks and/or acorns, and redesign(project to exclude 9 acres of blue oak woodland. 2. If necessary, obtain a 404 permit from the U.S. Army Corps of Engineers and redesign the project to avoid filling or degrading waters. 3. Conduct summer surveys for late-blooming special-status plants. if necessary, avoid special- status plant populations by redesigning excavation boundaries. 4. Continue to conduct protocol surveys, and if necessary, revise excavation boundaries to exclude impacted seasonal wetlands. i San Joaquin County Y QX-94-2/KRC Aggregate I. Community Development Page 12