Secondary and Cumulative Impacts Master Management Plan - 2014

Article 11 Environmental Standards 11-22 Activities Allowed Within Buffers

(5) side slopes do not exceed a 2:1 horizontal: vertical ratio (bridging and/or retaining walls may be used to meet this and the disturbance width standard); and (6) all culverts are designed and constructed for the 25-year storm event or as otherwise required by the Department of Environmental Services. Commentary: The State of North Carolina does not recognize pervious pavements as a Best Management Practice. Therefore, it cannot be credited as pervious area, although the county continues to encourage the use of pervious paving materials and/or dual ribbon design. (L) Scientific studies and stream gauging (M) On-site sewage disposal systems and irrigation of reclaimed water meeting the standards set forth in 15A NCAC 02H .0219 (k) of the North Carolina Administrative Code, provided that such facilities may be located only within areas of water supply watershed buffers that are subject to Zone 2 standards as specified in Sec. 11-21. (N) Stormwater management ponds, provided (1) no alternative to their location in the buffer exists; and (2) a new vegetated water supply watershed buffer meeting the purpose and requirements of this Paragraph is established around the new pond (O) Stream restoration (P) Stream bank stabilization (Q) Temporary in-stream sediment and erosion control measures for work within a stream channel (R) Vegetation management, including: (1) emergency fire control measures, provided topography is restored; (2) planting vegetation to enhance the buffer's function; (3) pruning forest vegetation, provided the health and function of the vegetation is not compromised; (4) removing individual trees that are in danger of causing damage to dwellings, other structures, or human life; (5) removing poison ivy; and other noxious growth; and (6) removing understory nuisance vegetation as defined in Exotic Plant Guidelines (Guideline #30, NC DENR, Div. of Parks and Recreation. 1998) (S) Water-dependent structures (T) Wetland restoration

Wake County Unified Development Code 11-8