Ordinance No. 20513 - Laserfiche WebLink

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Exhibit 4 a. On sites where soils are susceptible to severe compaction or structural damage when wet or saturated, use of heavy machinery shall be limited to the period between June 15 and September 30, unless otherwise approved by the planning director. b. Use of heavy machinery shall be the minimum necessary for the use or activity and shall be restricted to those areas where its use is necessary. 2. Petroleum products, chemicals, or other deleterious materials used in the construction process shall not be allowed to enter the Willamette River. (d) Filling, Grading, and Excavating. Filling, grading and excavating within the S -DR /CL subdistrict shall comply with the following standards. 1. Filling, grading, or excavating of more than 500 square feet must comply with Erosion Prevention regulations for sensitive areas in EC 6.645. 2. These activities shall occur between April 15 and October 15 of the same year, unless the planning director authorizes an exception based on dry weather conditions or overriding public need. Exceptions granted due to overriding public need shall require approval of an erosion and sedimentation control plan prior to commencement of earth moving activities, and the plan must be implemented throughout the activity. (e) Landform Character. Grading and excavation conducted as part of restoration or enhancement projects, and bank and channel reconfiguration shall result in topography that resembles natural undulations, meanders, and slopes found in landscapes shaped by natural processes. For purposes of this standard, straight lines and geometric or angular shapes are not acceptable. Channel and stream bank slopes shall not exceed 25 percent. (f) Boardwalks, Viewing Platforms, Interpretive Information Kiosks, Trail and Interpretive Signage. These structures shall be constructed in a manner that involves the least removal of native vegetation practicable. Signs shall be no more than 5 feet tall, and 16 square feet per face in surface area, except for signs intended to be read from moving automobiles, such as site entrance signs, which shall be no more than 8 feet tall and 32 square feet per face in surface area. Kiosks shall be no more than 10 feet tall and 20 square feet per face in surface area. (g) Trails. Except for the Riverbank Trail System, which is considered a multi- use path for the purposes of the S -DR Zone and may be constructed of impervious material, trails shall be constructed of gravel, wood chips or other pervious material, unless otherwise approved by the planning director. Trail construction shall involve the least removal of native vegetation practicable for the area and the minimum amount of fill or excavation practicable. (h) Lighting. Area lighting shall be aimed away from natural resource areas where possible, and otherwise must be aimed such that light shining on natural resource areas is minimized to the maximum extent practicable. Area lighting is outdoor lighting designed to illuminate an activity area, trail or multi- use path. (i) Landscape Plantings. Landscape plantings within designated view corridors as shown in Figure 4 -26 in the Downtown Riverfront Specific Area Plan shall not obstruct a clear view to the water surface from the view corridor. (j) Public Access. Public access connections must be provided between the Riverbank Trail and all adjacent development sites and public sidewalks. Access for the general public shall be consistent with adopted policies or plans. 30