(a) To minimize the adverse effects of human activities on the other components of resource protection areas, state waters, and aquatic life, a 100-foot buffer area of vegetation that is effective in retarding runoff, preventing erosion, and filtering nonpoint source pollution from runoff shall be retained if present and established where it does not exist if erosion problems are evident. (b) The buffer area shall be located adjacent to and landward of other RPA component and along both sides of any water bodies with perennial flow. The full buffer area shall be designated as the landward component of the RPA, in accordance with section 122-51 and subdivision III of this division. (c) The 100-foot buffer area shall be deemed to achieve a 75 percent reduction of sediments and a 40 percent reduction of nutrients. (d) The buffer area shall be maintained to meet the following additional performance standards: (1) In order to maintain the functional value of the buffer area, indigenous vegetation may be removed, subject to local approval by the director of public works, only to provide for reasonable sight lines, access paths, general woodlot management, and BMPs, including those that prevent upland erosion and concentrated flows of stormwater, as follows: a. Trees may be pruned or removed as necessary to provide for sight lines and vistas, provided that where removed, they shall be replaced with other vegetation that is equally effective in retarding runoff, preventing erosion, and filtering nonpoint source pollution from runoff. b. Any path shall be constructed and surfaced so as to effectively control erosion. c. Dead, diseased, or dying trees or shrubbery may be removed and thinning of trees may be allowed, pursuant to sound horticultural practice incorporated into locally adopted standards; d. For shoreline erosion control projects, trees and woody vegetation may be removed, necessary control techniques employed, and appropriate vegetation established to protect or stabilize the shoreline in accordance with the best available technical advice and applicable permit conditions or requirements. … (Code 1981, § 9.5-11(c); Ord. No. 04-51, 6-15-2004)
(a) To minimize the adverse effects of human activities on the other components of resource protection areas, state waters, and aquatic life, a 100-foot buffer area of vegetation that is effective in retarding runoff, preventing erosion, and filtering nonpoint source pollution from runoff shall be retained if present and established where it does not exist if erosion problems are evident. (b) The buffer area shall be located adjacent to and landward of other RPA component and along both sides of any water bodies with perennial flow. The full buffer area shall be designated as the landward component of the RPA, in accordance with section 122-51 and subdivision III of this division. (c) The 100-foot buffer area shall be deemed to achieve a 75 percent reduction of sediments and a 40 percent reduction of nutrients. (d) The buffer area shall be maintained to meet the following additional performance standards: (1) In order to maintain the functional value of the buffer area, indigenous vegetation may be removed, subject to local approval by the director of public works, only to provide for reasonable sight lines, access paths, general woodlot management, and BMPs, including those that prevent upland erosion and concentrated flows of stormwater, as follows: a. Trees may be pruned or removed as necessary to provide for sight lines and vistas, provided that where removed, they shall be replaced with other vegetation that is equally effective in retarding runoff, preventing erosion, and filtering nonpoint source pollution from runoff. b. Any path shall be constructed and surfaced so as to effectively control erosion. c. Dead, diseased, or dying trees or shrubbery may be removed and thinning of trees may be allowed, pursuant to sound horticultural practice incorporated into locally adopted standards; d. For shoreline erosion control projects, trees and woody vegetation may be removed, necessary control techniques employed, and appropriate vegetation established to protect or stabilize the shoreline in accordance with the best available technical advice and applicable permit conditions or requirements. … (Code 1981, § 9.5-11(c); Ord. No. 04-51, 6-15-2004)
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