NR 118.07(5)(a)1.1. In slope preservation zones that do not directly face the river and do not drain directly to the river. NR 118.07(5)(a)2.2. Outside of slope preservation zones when more than 10,000 square feet of land is proposed to be disturbed by filling or grading activity. NR 118.07(5)(b)(b) A conditional use permit may be issued for filling and grading in the areas described in par. (a) if all of the following conditions are met: NR 118.07(5)(b)1.1. Filling and grading activities do not disturb more than 10,000 square feet of land within a slope preservation zone. NR 118.07(5)(b)3.3. Any vegetation that is removed is replaced with native vegetation. NR 118.07(5)(b)4.4. Filling and grading activities are designed and implemented in a manner to minimize erosion, sedimentation, and impairment of fish and wildlife habitat. NR 118.07(5)(b)5.5. As part of an erosion control plan, Wisconsin construction site best management practices are implemented. NR 118.07 NoteNote: Approved best management practices for construction site erosion control can be found in Wisconsin’s Construction Site Best Management Practice Handbook (WDNR Pub. WR-222 November 1993 Revision) which is available from the Wisconsin Department of Administration, Document Sales, 4622 University Avenue, Madison, WI 53705-2156.
NR 118.07(6)(6) Structural erosion control measures in slope preservation zones. A conditional use permit may be issued for the construction, updating, maintenance or reconstruction of structural erosion control measures in slope preservation zones if all of the following conditions are met: NR 118.07(6)(a)(a) The local zoning authority determines that structural erosion control measures are necessary to address significant on-going erosion that nonstructural erosion control measures cannot control. NR 118.07(6)(b)(b) The structural erosion control measure is constructed of natural materials and is made as visually inconspicuous as possible. NR 118.07(6)(c)(c) The person seeking to construct the structural erosion control measure submits a detailed construction plan, an erosion control plan and a vegetative management plan, showing how the structural erosion control measure will be constructed, what land disturbing activities will take place, what, if any, vegetation will be removed, and how new native, vegetation will be re-established. Construction may not proceed until the local zoning authority has approved the plans. NR 118.07(7)(7) Stairways. A conditional use permit may be issued for a stairway if all of the following conditions are met: NR 118.07(7)(a)(a) The stairway is required to provide pedestrian access to the river because of steep, rocky, unstable or wet site conditions. NR 118.07(7)(b)(b) The tread width of the stairway may not exceed 48 inches. NR 118.07(7)(c)(c) Landings are located at a vertical interval of not less than 20 feet and may not exceed 40 square feet in area. NR 118.07(7)(d)(d) Hand rails may be permitted in conjunction with stairways. NR 118.07(7)(f)(f) Stairways, handrails and landings shall be anchored and supported above grade with pilings or footings. NR 118.07(7)(g)(g) Stairways shall be constructed of unfinished wood or stone, or shall be painted or stained with earth-tone materials. NR 118.07(7)(h)(h) Stairways shall be visually inconspicuous and shall be located in the most visually inconspicuous portion of the lot. NR 118.07(7)(i)(i) Native vegetation plantings shall be used to form a vegetative canopy to screen the stairway from the river. NR 118.07(7)(j)(j) Existing vegetation may be removed within one foot of either side of the stairway route and up to 8 feet above the stairway floor. NR 118.07(7)(k)(k) Only one stairway may be permitted on a lot that abuts the Lower St. Croix river. NR 118.07(8)(8) Lift standards. A conditional use permit may be issued for a lift if all of the following requirements are met: NR 118.07(8)(a)(a) The lift is required to provide pedestrian access to the river because of steep, rocky, unstable or wet site conditions.