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Safe Routes to School Project/DNR Project Update—06/09/09 <br /> retaining wall along County Road E-2. The County was willing to work with the City on <br /> this, as long as the lane widths are not minimized. However, upon close review of the cross <br /> sections, realigning the curb in this section would not completely eliminate the need to <br /> construct a retaining wall. As a result, we did not pursue this option further. The retaining <br /> wall costs for the project are fully funded through the ARRA grant. <br /> • Michelle Olson and James Lehnhoff approached Boston Scientific shortly after the March <br /> work session to inquire if they might want to contribute toward the Safe Routes to School <br /> Project. Staff described the project and the budget concerns that had delayed the project. <br /> Boston Scientific responded that unfortunately, the Safe Routes Project does not meet the <br /> corporate guidelines to fit into their giving programs. However, they were very interested in <br /> contributing something to this worthwhile project. Therefore,they informed the City that <br /> they would like to contribute $10,000 toward the project. The only restriction on the <br /> donation is that it only be used to fund the SRTS project. Staff is planning on placing <br /> acceptance of this donation at the next City Council Meeting. <br /> • Michelle Olson also contacted Bethel University to inquire if they would be interested in <br /> contributing to the Safe Routes to School Project. Bruce Kunkel, Vice President of Student <br /> Services informed staff that they strongly support the project. However they are more <br /> interested in partnering with the City on the Old Highway 10/CP Rail Project in 2010. <br /> FINAL DESIGN <br /> Kimley- Horn has been working on the environmental aspects of this project, including wetlands, <br /> modeling, and permitting. What follows is a summary of the necessary additional storm water <br /> engineering work that Kimley-Horn has identified to get this project through final design and <br /> permitting. <br /> Permitting: <br /> Wetlands (DNR) <br /> The trail follows the south side of CR E2. Two wetlands,both identified as DNR <br /> protected waters, have been identified directly adjacent to or partially within the existing <br /> right of way. Both wetlands also have associated 100-year floodplains identified. It has <br /> been estimated that 4,000 square feet of impact is not avoidable to the eastern wetland, <br /> while impact to the western wetland can be avoided through construction of a 375 foot <br /> long retaining wall. Mitigation for the wetland will be required and can be <br /> accommodated via purchasing credits from a wetland bank at $1.50/square foot or <br /> $12,000 (2:1 replacement ratio required). Floodplain storage volume lost due to fill will <br /> also need to be replaced on-site via excavation. As a result a small amount of runoff <br /> volume needs to be directed to an infiltration or filtration area,which could be in the <br /> form of a small rain garden. Excavation of the rain garden could also provide the flood <br /> storage mitigation needed. <br /> Floodplain (FEMA) <br /> Two submittals are required for the FEMA process; a CLOMR which needs to be <br /> approved prior to project implementation, and a LOMR which is submitted after the <br /> project is completed for recording of the map change. <br /> The primary steps in completing a CLOMR include: <br /> • Hydraulic Modeling <br /> o Generating revised existing and proposed conditions floodway model <br /> 4 <br />