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September 20, 2011 <br /> 1376 Baldur Park Road <br /> Page 4 of 5 <br /> Sec. 78-1608. Standards. <br /> The following standards apply to all land within the wetiand overlay districts, wetland buffer areas, and to <br /> neighboring lands: <br /> (1) Protection of wetlands and wetland buffer areas. <br /> a. Except as modified or regulated by the standards of this subsection, all requirements of <br /> the underlying zoning district apply. <br /> b. No structures are allowed in the wetland overlay districts, or wetland buffer area except <br /> those allowed as of right or by conditional use permit by sections 78-1606 or 78-1607 of <br /> this article. <br /> c. Activities including, but not limited to, building (other than a boardwalk or dock), paving, <br /> mowing, vegetation removal, filling, dumping, yard waste disposal or fertilizer application <br /> are prohibited, except that certain such activities may be permitted when approved by the <br /> city as a buffer management plan. Invasive non-native vegetation, such as European <br /> buckthorn and noxious weeds, may be removed by obtaining a vegetation removal permit <br /> from the city. <br /> d. Before grading or construction near a wetland overlay district or buffer area, the owner or <br /> contractor must place erosion control fencing on the upland side of the perimeter of the <br /> wetland overlay district or wetland buffer area, which ever is more restrictive, or as <br /> required by the city. This fencing must remain in place until all development activities that <br /> may affect the wetland and the wetland buffer area have been finished and adequate <br /> vegetative cover has been established at which time the fencing must be removed. <br /> e. All structures must have a minimum basement floor elevation not less than one foot <br /> above the 100-year flood elevation. <br /> f. All hard-surface runoff must be treated in accordance with the requirements of the city <br /> and the appropriate watershed district. Treatment may include site retention, skimmers, <br /> weirs or sedimentation ponds of appropriate scale. Structures and ponds serving this <br /> purpose must be properly maintained and serviced by the property owner. <br /> g. Discharge into the wetlands must occur at a rate no greater than allowed by the city <br /> engineer in accordance with the city's surface water management plan and the <br /> appropriate MCWD requirements. <br /> (2) Setbacks. <br /> a. All buildings (principal and accessory), must be setback at least 20 feet from the upslope <br /> edge of the wetland buffer. Exceptions: Play structures (including sport court type <br /> structures), grade-level decks, patio slabs, driveways, sidewalks and parking lots. <br /> b. A setback from the buffer area is not required for overhead utility poles and lines that are <br /> less than two feet in diameter, underground utility lines and distribution equipment, light <br /> poles, traffic signals, traffic regulatory signs, mailboxes, entrance monuments meeting <br /> section 78-1405(8) and other equipment that provides an essential public service. <br /> c. A setback from the buffer area is not required for fences or retaining wails. <br /> (3) Nonconformities. <br /> a. Effect of wetland boundary expansion. An existing structure, driveway or parking area <br /> meeting the required setback from a city-designated wetland boundary or buffer area is <br /> considered a legal nonconforming development if a later wetland delineation or <br /> implementation of a wetland buffer shows that the wetland or its buffer is closer than the <br /> required setback. <br /> b. Exrsting nonconformities. An existing structure, driveway or parking area that does not <br /> meet the required setback from a city-designated wetland boundary or buffer area, is <br /> considered a legal nonconforming development. <br /> c. Avoiding future nonconformities. In order to avoid the creation of future nonconformities, <br /> in situations where development, redevelopment or construction activity does not trigger <br /> the estabiishment of a buffer, the following setbacks shali apply: <br />