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• West of the downtown core, there are several lengthy segments of the old <br /> trapezoid shaped channel that have been significantly widened for additional <br /> capacity purposes and to allow for a meandering creek bed increased native <br /> riparian vegetation. These do not have levee banks and, for the most part, have <br /> some manner of access along the top of the banks. <br /> • At the far western edge of the urban fringe the trapezoid shaped channel banks <br /> begin to form into levees. However, the Lower Amazon Creek Restoration <br /> Project significantly modified the levee configuration in the section of creek <br /> between the railroad trestle and Royal Avenue. The levees were removed and <br /> reconstructed at considerable distance from the creek bank, creating a large <br /> wetland floodplain. Except for a minor segment where the levee is very modest, <br /> access is readily available via a multi -use concrete path built atop the levee. <br /> • Downstream of the floodplain restoration project, the project takes on the form of <br /> a trapezoid shaped channel with levee banks of both sides. Narrow but drivable <br /> access is available along the top of each levee. These levees are not uniformly <br /> high along the back side, but rather tend to vary greatly to the point that on bank <br /> may have a levee and the other is flush with the adjoining landscape. For the <br /> final half mile before the reservoir, the levees disappear altogether and the <br /> channel banks revert back to adjoining ground level. <br /> HIGH WATER EVENT RESPONSE PROCEDURES <br /> A. Storm Event Monitoring <br /> The Parks and Open Space Division (POS) of Eugene's Public Works Department is <br /> responsible for the inspection, maintenance, and monitoring functions of the City's <br /> open drainage system. To help fulfill the monitoring component of these <br /> responsibilities, POS staff has implemented a Storm Monitoring Program. In the <br /> event of there has been intense rain for several hours straight or when there has <br /> been an inch or more rain over the past 12 hours, staff will be dispatched to begin <br /> monitoring identified areas along Amazon Creek and other major open drainage <br /> facilities. This also includes patrolling along the levee segments of Amazon Creek. <br /> Since there are no depth gauges on Amazon Creek, the decision to begin storm <br /> monitoring and patrolling procedures is purely subjective. At the lowest <br /> organizational level, the Natural Resource Maintenance Supervisor has the authority <br /> to implement and stand down these procedures. However, in the case of a major <br /> storm incident or series of major storm events that have triggered the <br /> implementation of the Incident Command System ICS), the decision will become the <br /> responsibility of the Incident Commander (10) or his /her designee. <br /> For additional information on Storm Monitoring Program see Action Plan section. <br /> B. Incident Management System <br /> The City of Eugene Public Works Department will manage all emergency operations <br /> under the Incident Command System. As related to high water events, the Eugene <br /> Emergency Response Plan for Amazon Creek 3 September, 2008 <br /> P: \Cdocs\AP WARefDocs \E mergencyMgmt <br />