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because San Joaquin County is a signatory to the San Joaquin County Multi-Species Habitat Conservation and Open Space Plan (SJMSCP), participation in the SJMSCP satisfies requirements of both the state and federal endangered species acts, and ensures that the impacts are mitigated below a level of significance in compliance with the California Environmental Quality Act. The applicant has stated a desire to participate in the SJMSCP. A biologist will review the site to determine if there would be any impacts to the Valley Elderberry Beetle, and if so, appropriate mitigation measures would be implemented as part of-the applicant's participation in the SJMSCP. Oak Trees There are a number of Heritage Oak Trees and Native Oak Trees on this property. The applicant is proposing to preserve all of these existing trees for the Major Subdivision. In order to protect and preserve the Heritage Oak Trees and Native Oak Trees from development and construction activity, the following standards shall be applicable to the project regarding grade changes, fencing around the trees, trenching activities, and paving (Development Title Section 9-1505.5). No grade changes shall occur within six (6)feet of the trunk of the tree. • No grade changes shall occur that entail removing or adding more than six (6) inches of soil in the protected zone of the tree. • Extensive cuts or fills that are necessary beyond the protected zone shall have adequate drainage to mitigate adverse effects caused by changes in grade elevation. • Any grade changes within the protected zone of the tree shall be accomplished so as to prevent soil compaction and injury to or removal of the tree's roots. Before radin_9 op g_ _ erations - . ay commence, a minimum five (5)_foot high chain_link fence_or_ot_er_ _ — __ m r - comparable protective fencing shall be installed at the outermost edge of the protected zone of each 1 tree or group of trees. F Fences shall remain in place throughout the entire construction period. No material, machinery, or objects of any kind may be stored within the fenced area. • No trenching shall be allowed within the protected zone of subject trees. Paving within the dripline of affected trees shall be stringently minimized. If paving is necessary, porous materials such as gravel, loose boulders, and cobbles, brick with sand joints, wood chips, or bark mulch shall be used. Caltrans On May 4, 2004, Lynn O'Connor at Caltrans indicated that the letter of April 22, 2004 was for information only. The applicant will still be required to obtain an Encroachment Permit for work done within the State right of way. After discussions with Tom Dumas, Chief of the Office of Intermodal Planning, Caltrans determined that, with a subdivision of 15 lots, there would be no need to conduct a Traffic Impact Study since the traffic generated would be of a less than significant impact. The environmental issues discussed by Caltrans, if applicable to the project,were addressed in the Initial Study. The elderberry bushes located on the project site are not near the Caltrans right of way. Any need for mitigation for the Valley Elderberry Beetle would be addressed by San Joaquin Council of Governments. r San Joaquin County PA-03-5691CIements Oakridge Estates Page 5 Community Development