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34 <br /> Sheet C-4 of the submittal indicates approximately 8.02 acres of initial land disturbance is <br /> proposed for the project. Staff has already determined this project will disturb sufficient land <br /> area to require stormwater review and permitting. Review and permitting of SCMs shall be <br /> administered by the County's Engineering and Erosion Control division. <br /> As indicated on the submitted Preliminary Plat, drainage will be handled through a system of <br /> ditches located within proposed road rights-of-way and Common Open Space. The type of SCM <br /> required shall be determined at the stormwater permitting stage of the project after the <br /> Preliminary Plat has been approved. <br /> STAFF COMMENT.- The applicant has submitted a preliminary stormwater analysis <br /> for staff review and comment. <br /> Open Space: Open space for the project is broken down on Sheet C-3 of the submittal as follows: <br /> • Primary Open Space (i.e. wetlands, streams, floodplains, slopes greater than 25%, natural <br /> areas/wildlife corridors, etc.)—6.43 acres (280,082 sq. ft.); <br /> • Secondary Open Space (i.e. Open space access, woodlands, slopes between 15% and 25%, <br /> scenic views, etc.)—7.08 acres (308,354 sq. ft.); and <br /> • Type "E" Buffer and access areas to Common Open Space (i.e. 75-foot wide buffer along US <br /> Highway 70 East and 20-foot Access Easements along perimeter) — 2.03 acres (88,444 sq. <br /> ft.). <br /> The total area reserved as Common Open Space is approximately 15.54 acres (37% of the site). <br /> These areas are composed of lawn, fields and forested areas with existing, mature, vegetation and <br /> trees with an approximate height of between 50 to 80 feet. All 20 lots are adjacent and/or have <br /> access to, primary and/or secondary open space areas. <br /> STAFF COMMENT. Staff has determined the proposed open space meets the <br /> requirements of the UDO. <br /> Land Use Buffer: The Preliminary Plat indicates there will be a 75-foot Type "E" land use buffer <br /> along US Highway 70 East. The buffers are comprised of existing, dense, vegetation composed of <br /> existing, mature, shrubs and trees with an approximate height of between 20 to 80 feet. Sheets C-3 <br /> and C-9 9indicate that the buffer will be augmented along the buffer when preserved vegetation is <br /> not sufficient to meet the Type "E" landscape requirements (i.e. 7-8 canopy trees, 4-13 understory <br /> trees and 58-77 shrubs per 100 linear feet of buffer). Additional emphasis will be given to utilizing the <br /> appropriate evergreen trees and shrubs to maximize the opacity of the buffer. <br /> STAFF COMMENT. Section 6.8.6 (D) of the UDO requires that this project maintain a <br /> 75-foot land use buffer separating the project from adjacent Arterial Roadways (US <br /> Highway 70 East). Staff has determined the proposed open space and land use <br /> buffers meet the requirements of the UDO. Note, a portion of the buffer allows for <br /> individual well and septic areas. If utilized, however, the pro-rated amount of <br /> plantings would be required elsewhere within the buffer. <br /> Additional Comments: Attachment 3 contains additional staff comments for this project. <br /> Courtesy Review: This project is not within a required Courtesy Review area with the Town of <br /> Hillsborough. However, Staff has submitted copies of the Preliminary Plan to Town Staff. To <br />