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2. Minor subdivision dimensional standards <br />Subdivisions that are classified as minor subdivisions in the AO, CR, and LDR zoning <br />districts shall be subject to the tract requirements listed for public water and sewer, the <br />minimum average lot width listed in lot dimensions, the setbacks, height and lot <br />coverage standards in Section 5 -5, Conventional Subdivision Standards, Section B, <br />Dimensional Standards. NOTE: Density standards in table shall not apply. Minimum lot <br />size shall be one acre (43,560 SF) as stated above. <br />Subdivisions in the MDR and HDR zoning districts shall be subject to the tract <br />requirements as listed for governmental water and sewer, the lot dimension minimum <br />average lot width listed in the lot dimensions, the setbacks, height and lot coverage <br />standards established in Section 5 -6, Open Space Subdivision Standards, Section D, <br />Dimensional Standards. NOTE: Density standards in table shall not apply. Minimum lot <br />size shall be one acre (43,560 SF) as stated above. <br />D. Tree planting required <br />Front yard trees <br />One canopy tree shall be provided for each 1,000 square feet of area in <br />the required front yard for each lot. For the purpose of calculating <br />required trees, any fraction shall require an additional tree (always <br />round up). Portions of the required front yard covered by allowed <br />encroachments such as front porches (see section 6 -15) shall be deleted <br />from the calculation tree shall have a minimum size of 2% -inch <br />caliper. Two ornamental trees may be substituted for one canopy tree <br />in a front yard. <br />b. One additional front yard tree shall be required for 4G-Ry FF^^ ;z <br />corner lots. <br />e. — ARy`Existing healthy trees in the required front yard area over 6 caliper <br />inches shall be credited toward meeting the front yard tree requirement. <br />Section 5 -6 Open space subdivision standards <br />A. Intent <br />The intent of an open space subdivision is to provide a development alternative to a <br />conventional subdivision. An open space subdivision involves placing a cluster of home -sites <br />within a portion of the development site, allowing housing units on smaller lots than those <br />permitted in a conventional subdivision to promote environmentally sensitive, more efficient <br />use of the land and provide additional common open space. Other purposes of an open space <br />subdivision include the following: <br />1. To preserve in perpetuity unique or sensitive natural resources such as groundwater, <br />floodplains, wetlands, streams, steep slopes, woodlands and wildlife habitat. <br />2. To preserve important historic and archaeological sites <br />Attachment number 3 \n <br />G -4 Page 368 <br />