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completion of the project, unless the monitoring period is extended for any reason. The consulting wetland professional will prepare a report as to the success of the project. Definition of Success: The planting area shall support at least 80 percent of the native plants set forth in the approved planting plan by the end of five years. The species mix should resemble that proposed in the plan, but strict adherence to obtaining all of the species shall not be a criterion for success. By the end of the fifth growing season, the aerial coverage of native plants, including volunteers and ground cover, shall be 80 percent in the planting area(s). Maintenance: The planting area(s) may require periodic maintenance during the monitoring period. Maintenance may include, but will not be limited to, removal of competing grasses and invasive vegetation (by hand if necessary), irrigation, replacement of plant mortality, fertilization, and/or the replacement of mulch. Aggressive control of invasive grasses may be required in the restoration areas. Chemical control, if necessary, shall be applied by a licensed applicator following all label instructions. Bird boxes shall be cleaned out once per year, after the young have fledged (late summer). Any missing or damaged bird boxes shall be replaced during the monitoring period. CONTINGENCY PLAN If 20 percent of the installed plants are severely stressed during any of the inspections, or it appears 20 percent may not survive, additional plantings of the same species may be added to the planting areas. Additional contingency elements may include, but will not be limited to: more aggressive weed control, animal control, mulching, replanting with larger plant material, species substitution, fertilization, soil amendments, and/or irrigation. PERFORMANCE BONDING A performance bond or other assurance device shall be provided to the City of Everett for the period of five years from the completion of the project, in the amount of 90 percent of the estimated costs for plant material, bird boxes, and installation labor. This bond shall be released upon a successful determination by the City of Everett for all portions of this mitigation project. The definitions of success shall be as described under PROJECT MONITORING AND MAINTENANCE PROGRAM included in this plan. Quantity of one -gallon plants 315 Estimated Cost of Plant Material and Installation Labor ($9.50/plant) $2,992.50 Estimated Cost of Bird Boxes ($50/box, installed) $250.00 Total Estimated Costs $3,242.50 Total Estimated Bond Amount (90% of Total Estimated Costs) $2,918.25 Critical Area Study and Buffer Mitigation Plan 14 WRI# 09084 Intermec- Lot 2 Revision#2: March 22, 2010