Exhibit E-3 Calero County Park Pond and Wetland Restoration Project Mitigation and Monitoring Plan
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Exhibit E-3 Calero County Park Pond and Wetland Restoration Project Mitigation and Monitoring Plan Pond and Wetland Restoration Calero County Park Bid Package – E. Design Plans, Specifications, and Mitigation and Monitoring Plan Exhibit E-3 Mitigation and Monitoring Plan Calero County Park Pond and Wetland Restoration Project Mitigation and Monitoring Plan Project # 3753-01 Prepared for: Edmund Sullivan, Executive Officer Santa Clara Valley Habitat Agency 535 Alkire Avenue, Suite 100 Morgan Hill, California 95037 Prepared by: H. T. Harvey & Associates In collaboration with: cbec eco-engineering, Inc. April 26, 2016 983 University Avenue, Building D Los Gatos, CA 95032 Ph: 408.458.3200 F: 408.458.3210 Table of Contents Section A. Title Page .................................................................................................................................................. 1 Section B. Contributor Information ........................................................................................................................ 2 Section C. Regulatory Agency Distribution ............................................................................................................ 3 Section D. Brief Description of Proposed Compensatory Mitigation Site and Proposed Source of Compensatory Mitigation .................................................................................................... 4 Section E. Objectives ................................................................................................................................................. 8 Section F. Description of Site Selection Criteria ................................................................................................. 13 Section G. Description of Landscape Position of Mitigation Site .................................................................... 15 Section H. Mitigation Site Specific Information and Baseline Information .................................................... 16 Section I. Other Baseline Information ................................................................................................................. 32 Section J. Mitigation Work Plan ............................................................................................................................ 34 Section K. Determination of Credits ..................................................................................................................... 62 Section L. Site Protection Instrument ................................................................................................................... 63 Section M. Maintenance Plan .................................................................................................................................. 64 Section N. Ecological Performance Standards ..................................................................................................... 68 Section O. Monitoring Requirements .................................................................................................................... 72 Section P. Long Term Management Plan ............................................................................................................. 77 Section Q. Adaptive Management Plan ................................................................................................................. 78 Section R. Financial Assurances ............................................................................................................................. 79 Section S. Other Information ................................................................................................................................ 80 Section T. References ............................................................................................................................................... 81 Section U. Attachments ........................................................................................................................................... 83 Tables Table 1a. Pond Mitigation Site Description for Permittee Responsible Mitigation in the IMS .................................................................................................................................. 10 Table 1b. Wetland Mitigation Site Description for Permittee Responsible Mitigation in the IMS .................................................................................................................................. 11 Table 2. Seep Flow Rate Measurements .................................................................................................................. 19 Table 3. Project Impacts ............................................................................................................................................ 49 Table 4. Pond Mitigation site - Wetland Plant Species Palette ............................................................................ 52 Table 5. Wetland Mitigation site - Wetland Plant Species Palette ....................................................................... 53 Table 6. Sitewide Erosion Control Seeding Mix .................................................................................................... 54 Table 7. Mt. Hamilton Thistle Seed Mix ................................................................................................................. 54 Table 8. Itemized Budget Estimate .......................................................................................................................... 58 Table 9. Number and Resource Types of Credits Established ............................................................................ 62 Table 10. Maintenance Schedule Years 1-5 ............................................................................................................... 66 Table 11. Annual Maintenance Costs Table.............................................................................................................. 67 Table 12. Ecological Performance Standards Monitoring Schedule ..................................................................... 70 Calero County Park Pond and Wetland H. T. Harvey & Associates i Restoration Project MMP April 26, 2016 Figures Figure 1. Pond and Wetland Mitigation Sites Vicinity Map ..................................................................................... 6 Figure 2. USGS Topography Map ............................................................................................................................... 7 Figure 3. Pond Mitigation Site Hydrologic Regimes ............................................................................................... 17 Figure 4. Hydrology Gage Locations......................................................................................................................... 21 Figure 5. Pond Mitigation Site – Existing Conditions ............................................................................................ 25 Figure 6. CNDDB Occurrences of CRLF and CTS Near Project Site ............................................................... 28 Figure 7. Wetland Mitigation Site – Existing Conditions ....................................................................................... 31 Figure 8. Pond Mitigation Site – Conceptual Plan .................................................................................................. 37 Figure 9. Pond Mitigation Site- Conceptual Pond Grading and Hydrologic Infrastructure Improvement Plan ....................................................................................................................................... 40 Figure 10. Pond Mitigation Site – Outlet Works Typical Detail ............................................................................. 41 Figure 11. Wetland Mitigation Site – Conceptual Plan ............................................................................................. 44 Figure 12. Wetland Mitigation Site – Conceptual Grading Plan ............................................................................. 47 Figure 13. Himalayan Blackberry Scrub on the Berm at the Pond Mitigation Site (October 2015). ................ 57 Calero County Park Pond and Wetland H. T. Harvey & Associates ii Restoration Project MMP April 26, 2016 Section A. Title Page Mitigation Site Name: Calero County Park Pond and Wetland Restoration Project Department of Army Permit Number: Santa Clara Valley Habitat Plan Regional General Permit. File No. SPN-2012-00302S Applicant’s Name: Edmund Sullivan, Executive Officer, Santa Clara Valley Habitat Agency Applicant’s Address: 535 Alkire Avenue, Suite 100, Morgan Hill, CA 95037 Applicant’s Phone Numbers: (408) 779-7261 Mitigation and Monitoring Plan Preparer/Contact: Max Busnardo, M.S., Principal Restoration Ecologist, H. T. Harvey & Associates Preparer’s Address: 983 University Avenue, Bldg. D, Los Gatos, CA 95032 Preparer’s Phone Number: (408) 458-3222 Date of most recent revision to the Mitigation Plan: March 31, 2016 Calero County Park Pond and Wetland H. T. Harvey & Associates 1 Restoration Project MMP April 26, 2016 Section B. Contributor Information B.1 Persons Names Who Prepared the Mitigation Plan H. T. Harvey & Associates Max Busnardo, M.S., Principal Restoration Ecologist, 983 University Avenue, Bldg. D, Los Gatos, CA 95032; (408) 458-3222; [email protected] Karen Verpeet, M.L.A, Project Manager, Senior Landscape Architect, 983 University Avenue, Bldg. D, Los Gatos, CA 95032; (408)