Agenda - Council - 03/30/2010 - Special

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Annual Operational Cost Estimate for `Meandering Commons' Prepared by Mike Berge and Mark Riverblood This annual operating cost estimate is prepared based upon the full palate of add alternates for Meandering Commons. The total engineer's estimate for spring 2010 construction is $3,350,000. As it is not known what City Council will choose to fund, the operating estimate (bottom) may be adjusted downward by the percentage of what is approved, from the total above. The level of maintenance is generally based upon the `Mode 1' standards identified by the American Park and Recreation Society below. ~~~~ State of the ark maintenance applied to a high quality diverse landscape. Usually associated with high trafi#ic urban areas such as public squares, mails, governmental grounds or high visstation parks. 1. Turf care -Grass height maintained accord- ing to species and variety of grass. Mowed at least once every five working days but may be as often as once every three working days.. Aeration as re- quired, not less than four times per year. Reseed- ing or sodding as needed. Weed control should be practiced so that na more than one percent of the surface has weeds present. 2. Fertilizer -Adequate fertilization applied to plant species according to their aptimurrr re- qu irements. Turf species should follow the chart on page 00 for recommended rates. Application rates and times should ensure an even supply of nutrients for the entire year. Nitrogen, phosphorus and potassium percentages should folbw local recommendations from your County Extension Service. Trees, shrubs and flowers should be fertilized according to their individual require- ments of nutrients far optimum growth. Unusually long ar short growing seasons may modify the chart slightly. ventative; a scheduled chemica{ or cultural program designed to prevent significant damage. 2.) Cor- rective; application of chemica! or mechanical controls designed to eliminate observed problems. 3.? Integrated pest management; withholding any controls until such time as pests derr~onstrate damage to plant materials or become a demon- strated irritant in the case of flies, mosquitoes, gnats, etc. At this maintenance level the con- trolling objective is to not have the public notice any problems. It is anticipated at Mode l that problems will either be prevented or observed at a very early stage and corrected immediately. (Continued)