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(See the Ramsey Tree Book for preferred/prohibited species) <br />4. Survey of existing tree cover prepared by an International Society of Arboriculture (ISA) certified arborist that <br />shall include the following information: <br />a. Location of proposed lots and building pads. <br />b. Tree species, diameter (dbh), condition (healthy, dead or diseased). Any development involving Oak <br />trees on or adjacent to the development area must submit a plan in conjunction with the preliminary <br />plat. <br />c. Soil conditions. <br />d. Existing contour data for the entire property with vertical contour data consistent with City standards <br />for all areas to be distributed by proposed tree removal operations, extending for a distance of at least <br />fifty (50) feet beyond the limits of the proposed plat. Elevations may be based on U.S. Geological <br />Survey Data. <br />e. Proposed tree removal limits. Any clearing of Oak stands shall be performed prior to April 15 or after <br />July 15 of each season. <br />f. Proposed number, species, and size of trees and shrubs to be planted. <br />5. All irrigation systems must have an approved backflow device installed in the irrigation enclosure. Irrigation <br />enclosure location and construction materials are subject to the approval of the City Engineer. Further, all new <br />or updated systems must install a Rain Sensor device to stop irrigation during rain events. <br />6. Additional information as requested by the City. <br />Utility Plan: <br />6. Location, width, size, and type of existing and proposed sanitary sewers, water mains, storm sewers, culverts, <br />manholes, lift stations, hydrants, valves, and any other underground facilities within the plat and to a distance of <br />100 feet beyond shall be shown. <br />7. Location and size of utility laterals and irrigation taps. <br />8. Additional information as requested by the City. <br />Grading Plan: <br />1. A topographical map and grading plan. <br />2. Calculations of projected water usage using Minnesota Pollution Control Agency and/or Minnesota Department <br />of Health guidelines. <br />3. Topographic data, including contours at vertical intervals of not more than two feet, except that where the <br />horizontal contour interval is 100 feet or more, a one foot vertical interval shall be shown. Watercourses, lakes <br />wetlands, limits of flood plains and other significant physical features shall be delineated. The ordinary high <br />water elevation and 100-year Flood Plain elevation shall be identified. U.S.G.S datum survey shall be used for <br />topographic mapping. <br />4. Soils data, including classification of all surface soils, in accordance with the Soil Conservation Service <br />Classification system and logs of borings sufficient in number and depth to establish the elevation of the water <br />table and soil types throughout the plat. <br />Development Review Manual (September 2011) <br />Site Plan Review <br />Page 31 of 45 <br />