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10 <br /> <br />4. Location and Mmethods for protecting existing trees and other landscape material, consistent with <br />Lake Elmo Tree Preservation Code Section 105.12.470. <br />3. The plant schedule shall depict the height and spread of each plant type at the time of planting <br />and at the time of maturity. <br />5. All existing and proposed features such as buildings, structures, parking areas, pervious and <br />impervious pavement, signs, fences, walls, enclosures, natural features, grading, property lines, <br />easements, utilities, and driveways shall shall be clearly shown on the plans. <br />6. Seeding, sodding, and ground cover materials shall be identified in the landscaping plan with <br />hatching. <br />7. Provisions for irrigation and other water supplies. A watering plan and schedule shall be provided <br />for all areas where an irrigation system is not included. <br />8. Elevation view, details, and cross-sections of all required screening. <br />9. City standard plan notes and planting details, ands well as any additional project specific planting <br />instructions and notes. <br />10. Topsoil preservation plan that includes: stockpile location, calculations that a sufficient amount of <br />topsoil will be set aside to restore the site with a depth of four (4) inches, erosion control <br />requirements, and a soil report prepared by an independent party verifying topsoil borrow meets or <br />has been altered to meet the composition requirements of Minnesota Department of Transportation <br />MN DOT Specification 3877 as modified to contain no less than than 6% organic matter. <br />b) Design considerations. The following design concepts and requirements shall be considered when <br />developing a landscape plan. <br />1. To the maximum extent possible, the landscape plan shall incorporate, preserve and protect, existing <br />significant trees and other healthy, non-invasive vegetation on the site. <br />2. Landscaped areas should be of adequate size to allow for healthy plant growth, to a typical mature <br />size without impeding on roads, walks, trails, buildings or other areas needed for service access or <br />public safety. Planting areas should provide adequate areas for plant maintenance. <br />3. A variety of trees and shrubs should be used to provide visual interest year -round. No more than 25 <br />percent of the required number of trees and shrubs may consist of any one taxonomic genus. A <br />minimum of 25 percent of the required number of trees shall be deciduous shade trees, and a <br />minimum of 25 percent shall be coniferous trees. Ornamental trees may be used when applied <br />towards landscaping requirements. However, the number of trees shall not exceed 15 percent of the <br />required amount. <br />4. Final slopes greater than 3:1 will not be permitted without special treatment such as terracing, <br />retaining walls, erosion control blankets, or special ground covers. <br />5. All plant materials, except trees planted per the tree replacement schedule, shall meet the following <br />minimum size standards in Table 6-1. Trees planted per the tree replacement schedule shall meet the <br />minimum requirements outlined in Lake Elmo Code Section 105.12.470(c)(8)d. <br /> <br />Table 6-1: Minimum Size Standards for Landscape Materials <br />Plant Type Minimum Size at Planting ** <br />Trees: <br />Evergreen 6 feet in height <br />Deciduous--shade 2.5 inches caliper, measured six inches from <br />base <br />Deciduous--ornamental 2 inches caliper, measured six inches from base <br />Shrubs: <br />Evergreen # five container* <br />Deciduous # five container* <br />Shrubs used for screening (evergreen or <br />deciduous) # five container* <br />* Approximately five gallons. <br />** See American Standards for Nursery Stock, ANSI 260.1 -2004 for exact specifications.