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APPENDIX <br />Redwood Creek Daylighting <br />The costs of operating and maintaining <br />downtown parks can vary widely depending on <br />the parks' features, size, programming, and <br />the intensity of use. Research by the Trust for <br />Public Land indicates that in the nation's sixty <br />largest cities, the annual cost for operations <br />and maintenance (0&M) per designed acre of <br />parkland averages to $21,178. The cost for a <br />more intensive urban park can be greater. For <br />example, Elizabeth Caurthers Park (Portland, <br />Oregon), which includes an interactive water <br />feature, paved plaza, extensive gardens, and <br />community lawn area, has an annual 0&M <br />cost of 96,000 per acre. <br />Habitat and open space based parks have a <br />much lower 0&M cost, primarily relating to <br />safety and plant maintenance. The following <br />chart represents a general ranking of <br />operation and maintenance cost based on <br />the amount and diversity of anticipated park <br />features, level of use/programming, and size. <br />VIII COST FORECAST <br />High High Medium $90,000/ AC <br />Moderate Moderate Medium $40,000/ AC <br />High High High $90,000/ AC <br />Moderate <br />Moderate <br />Medium <br />$50,000/ AC <br />Low <br />Low <br />Small <br />$25,000/ AC <br />�� wood Very Low Very Low Very High $20,000/ AC <br />/ReCreek <br />*It is assumed Bradford Creek would be primarily a natural open space park and have a much lower <br />0&M cost per acre, although the overall cost is ranked third due its substantially larger size. <br />24 SEPTEMBER 2018 151 <br />0 <br />v <br />c� <br />CD <br />W <br />Cn <br />