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14 <br /> <br />7.0 Completion of Mitigation & Inspection <br />Builders Aggregate Company, Inc. will notify the Office of Enforcement, Compliance and <br />Environmental Justice of the EPA after the installation of all sedimentation and erosion control <br />structures, after the completion of grading activities, after completion of seeding and planting, and <br />after each monitoring event. After each notification providing an opportunity for an Agency <br />inspection, work will continue on-site in order to meet the schedule set for this project. <br /> <br />Within eight weeks of the completion of site preparation and seeding, Builders Aggregate Company <br />will submit an As-Built Assessment Report to the above-mentioned office of the EPA. Any necessary <br />minor deviations from this plan will be described and the reasons for the deviation explained in <br />detail. In addition, topographic maps showing as-built contours of the project site will be included <br />with the submittal. <br /> <br />When the initial monitoring is complete and final success criteria have been met, Builders Aggregate <br />Company will notify the above-mentioned office of the EPA of such in the Annual Monitoring <br />Report completed for that year. <br /> <br /> <br />8.0 Contingency Measures <br />If the project does not progress as planned, contingency measures will be prepared to rectify the <br />problem and achieve the project goals. If a large flood event occurs and adversely impacts the <br />restoration sites, those impacts will be evaluated and an appropriate response plan will be <br />developed and implemented. Please note, should a Response Plan or other as-yet unidentified <br />contingency measures be developed, they will be submitted to the EPA for approval prior to <br />implementation. <br /> <br />The proposed activities should be expected to withstand normal bankfull flow events. Erosion or <br />other adverse impacts caused by flows less than bankfull discharge (2,025 cfs) will be addressed. <br />Erosion or other adverse impacts caused by flows greater than bankfull discharge must be <br />addressed on a case-by-case basis to evaluate the River processes that occurred and determine <br />what, if any, remediation measures should be taken. Because the River is generally unstable, <br />avulsing and occasionally experiences flows of very high magnitude, each year there is the <br />possibility that a very large flow event may overwhelm the reach and initiate changes to the <br />channel and the three restorations that are well beyond the scope of this restoration effort. <br /> <br />