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1 <br /> 1 SECTION 19. Article XVI is amended by adding a new Section 15-269 to read as follows: <br /> 2 <br /> 3 Section 15-269 Buffers in Northern Transition Area <br /> 4 <br /> 5 (a) The Board finds that: <br /> 6 (1) Soil and pollutants carried overland, primarily from roads, trails and land <br /> 7 disturbing activities, can be effectively trapped by leaving a relatively <br /> 8 undisturbed strip of vegetation parallel and adjacent to the watercourse. <br /> 9 (2) Properly managed overland water flow can be directed into this buffer in a <br /> 10 manner that will reduce velocity and cause dispersion of the water. <br /> 11 (3) Sediments and associated pollutants carried by the water will settle out as a <br /> 12 result of this slowing and dispersion process. <br /> 13 (b) For purposes of this section,the term"Northern Transition Area"shall mean the <br /> 14 Transition Area portion of the Carrboro Joint Development Area as identified in the <br /> 15 Joint Planning.Agreement. <br /> 16 (c) Development on lots within the Northern Transition Area shall, if any of the <br /> 17 watercourses identified below are located in whole or in part within the lots so <br /> 18 developed,contain a designated buffer area adjacent to such watercourses. The <br /> 19 buffer area boundaries shall be demarcated by a line connecting the points on either <br /> 20 side of the watercourse located as follows: <br /> 21 <br /> 22 (1) Bolin Creek and Tributaries (permanent streams flowing into Bolin Creek) <br /> 23 as shown on the Northern Transition Area Stream Buffer Map on file in the <br /> 24 Carrboro Planning Department, which map is incorporated herein by <br /> 25 reference. Measure along a line running perpendicular to the edges of the <br /> 26 floodplain(or if no floodplain has been demarcated, the center of the stream) <br /> 27 one hundred(100)feet from the edge of the floodplain(or if no floodplain has <br /> 28 been demarcated, from the edge of the water) plus an additional distance <br /> 29 equal to <br /> 30 <br /> 31 4 x slope x 100 <br /> 32 <br /> 33 where slope is expressed as a percentage derived from dividing by 100 the <br /> 34 rise of elevation between the floodplain boundary line (or if no floodplain has <br /> 35 been demarcated, the edge of the water) and a point one hundred (100) feet <br /> 36 from that point along the perpendicular line described above. <br /> 37 (2) Intermittent streams flowing into Bolin Creek and its tributaries as shown <br /> 38 on the Northern Transition Area Stream Buffer Map. Measure along a line <br /> 39 running perpendicular to and sixty(60)feet from the center of the <br /> 40 intermittent stream. <br /> _............................................................_-................................_....._............_ .... .............. <br /> Tage 29 of 35 <br />