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<br />NO.1 <br /> <br />10/18/05 <br /> <br />(5) Filling, Grading and Excavating. Filling, grading and excavating within <br />the /WR conservation area and within areas removed from the /WR <br />conservation area shall comply with the following standards: <br />(a) Filling, grading or excavating of more than 500 square feet must <br />comply with Erosion Prevention regulations fot sensitive areas in <br />EC 6.645. <br />(b) Grading and excavating conducted as part of restoration or <br />enhancement projects, and bank and channel reconfiguration shall <br />result in topography that resembles landscapes shaped only by <br />natural processes, for example, incorporating the undulations, <br />meanders and slopes found in such landscapes. For purposes of <br />this standard, straight lines and geometric or angular shapes are <br />not acceptable. Channel and stream bank slopes shall not exceed <br />25 percent at elevations of 500 feet or less. <br />(6) Impervious Surfaces. Within the /WR conservation area, construction of <br />new impervious surfaces shall comply with the following standards: <br />(a) Impervious surfaces are prohibited within the /WR conservation <br />area unless they are part of a use approved in accordance with EC <br />9.4930(3). <br />(b) Impervious surfaces that are part of a use approved in accordance <br />with EC 9.4930(3) shall be no larger than the minimum necessary for <br />the approved use. For sites with wetlands, impervious surfaces <br />shall be located as far from the boundaries of locally significant <br />wetlands as practicable. For riparian and upland wildlife habitat <br />sites, impervious surfaces shall be located as far from the line of <br />ordinary high water as practicable. <br />(c) Durable porous paving treatments or other infiltration devices <br />approved by the planning director or decision-maker shall be used <br />in lieu of standard impervious paving surfaces to increase <br />infiltration of storm water where practicable. This standard shall <br />apply only to low volume parking areas, foot paths or lightly used <br />access roads, where porous soils and flat topography will facilitate <br />infiltration of runoff. For the purposes of this subsection, gravel <br />surfaces are not acceptable as porous paving or as an infiltration <br />device. <br />(7) Site Layout. On sites where the /WR conservation area is reduced, high <br />intensity uses within the entire development site, including high volume <br />traffic lanes and truck loading docks, shall be designed and located so <br />that adverse impacts to wetland and riparian habitats within the /WR <br />conservation area are minimized to the greatest extent practicable. <br />(8) Lighting. Within the /WR conservation area, and within areas removed <br />from the /WR conservation area, outdoor area lighting shall be prohibited, <br />except to illuminate walkways, bike paths, pedestrian gathering areas, <br />and parking areas, where these facilities are intended to be used after <br />dark. Outdoor area lighting is lighting designed to illuminate an outdoor <br />activity area, trail or bicycle path. Where lighting is to be provided within <br />the /WR conservation area and within areas removed from the /WR <br />conservation area, the following standards shall apply: <br />(a) Illumination for walkways, pathways or pedestrian gathering areas <br />shall be no more than an average maintained luminance of 0.5 foot- <br />candle at grade. <br /> <br />Ordinance - 18 <br />