areas shall be classified as conservation easements and it is mandatory that 100% of these areas be preserved as primary open space required to meet the dedicated open space requirement; except as approved by the Town and/or other governmental agency related to grading, filling, retaining walls, permitting or other approved construction that mitigates a primary open space area. The minimum dedicated open space percentage shall not supersede State or Federal regulations and standards for the protection of environmentally sensitive areas or other protected environmental or historic/archaeological features. A. Historic/Archaeological Areas . Historic and archaeological sites listed on the National Register of Historic Places, or included on the State's National Register Study List, or Wake County Historic Preservation Register, designated as a Local Historic Landmark, a Local Historic District, and/or identified as having a high potential for archaeological remains and determined by one (1) of the following:
i. Professional Analysis . An independent site study conducted by trained architectural historian or archaeologist.
ii. Historical or Archaeological Site . When an historical or archaeological site is set aside as a separate lot and preserved and/or restored as part of the Planned Unit Development, the entire area may count toward the minimum open space standard. (3) Secondary Open Space Areas . Secondary areas may comprise of any of the following open space uses and receive full credit toward meeting the proposed minimum open space standard, unless otherwise specified in the Land Development Ordinance:
A. Forest . Upland forest consisting of hardwood, pine or combination of mixed pine and hardwood forest determined by one (1) of the following:
i. Professional Analysis . A site analysis conducted by a registered engineer, land surveyor, landscape architect, architect or land planner using aerial and/or satellite imagery.
ii. Botanist or Similar Profession . An independent site study conducted by a trained botanist, forester, or arborist.
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