2013/03/27 Council Agenda Packet

I rights-of-way abutting the property for which the landscaping is required. Such street trees shall be selected and planted in accordance with the parks department requirements. 4. Irrigation systems shall not be located within public right-of-way unless approved by the public works department. D. Type IV: Soil Stabilizing Vegetation/Landscaping. Type IV landscaping is intended to provide soil stability, prevent erosion and prevent sedimentation to off-site properties and improvements. Type IV landscaping shall consist of lawn, other living ground cover, shrubs and trees with a root structure which stabilizes soil where necessary to prevent erosion and sedimentation. Type IV landscaping may include other organic and/or inorganic soil-stabilizing materials such as rockeries, retaining walls or other similar slope and soil stabilization devices. E. Pedestrian walkways shall be permitted to cross required landscape areas. is hereby amended to read as follows: Landscaping type definitions and requirements (Type I-IVZ. A. Type I: Visual Screen. Type I landscaping is intended to provide a very dense sight barrier to significantly separate uses and zoning districts. It shall generally consist of a mix of predominantly evergreen plantings including living trees, shrubs and ground covers. The choice and spacing of plantings shall be such that they will form a dense hedge sufficient to obscure sight through the screen within three years after planting. Where a sight obscuring fence is required, chain-link fencing with slats shall not be considered to be sight-obscuring. Type landscaping shall consist of the following: 1. A minimum of two staggered rows of evergreen trees planted along the entire length of the required buffer. Trees shall be chosen and spaced so as to form an effective visual screen which creates a solid sight-obscuring barrier within three years of planting. Trees shall be a minimum of six feet high at the time of planting. Trees to be planted under overhead electric power lines shall be species recommended in Snohomish County PUD No. l's Tree Book, Puget Sound Energy's Energy Landscaping or an alternative approved by the Planning Director. 2. When a nonresidential use abuts a residential use in a residential zone and Type landscaping is required between uses, Type I landscaping shall include a solid wood fence or masonry wall, or combination of wood and masonry, six feet in height and located along the property line between the residential and nonresidential use. 3. The entire width of the required buffer shall be landscaped. The remaining area which is not planted with the sight-obscuring barrier shall be planted with shrubs and ground cover. Shrubs shall be at least two gallon size and a minimum of twenty four eighteen inches high at the time of planting. Shrubs and ground cover shall be planted to attain a coverage of ninety percent of the planting area within three years. 4. Lawns and other groundcovers may be used to cover up to seventy-five percent of the landscape area which is not used for the sight-obscuring barrier. B. Type II: See-through Buffer. Type II landscaping is intended to create a visual separation between uses and zones. Type II landscaping shall consist of: 1. A mix of evergreen and deciduous trees, with no more than thirty percent being deciduous, a minimum of six feet in height, and planted at intervals no greater than twenty feet on center. Required deciduous trees shall be at least two and one-half inches caliper at the time of planting. Evergreen trees shall be at least 6 feet tall at time of planting. 2. A mix of evergreen and deciduous shrubs, with not more than thirty percent being deciduous, at least two gallon size and a minimum of twenty eighteen inches high at the time of planting, planted at a density of five per one hundred square feet of planting area, 8 10