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Chapter II - Development Standards & Urban Design Guidelines 2. Materials - should be the same as or compatible with those d. Flowers with annual or seasonal color - are recom- r--~l of the principal building(s). Support post or pier materials mended to highlight special locations, such as court- may differ from fence materials; e.g., metal fence panels com- yards, building entrances, or access drives. Planter boxes bined with masonry piers. Masonry walls and piers should and pots are encouraged in residential areas. have a decorative cap or coping. e. Irrigation Systems - Mechanical irrigation should be pro- 3. Not recommended: vided for all planted areas; see standards and implemen- tation requirements for use of recycled water. a. Chain link fences. 2. Trees along Streets and Ways - Street trees are an indicator b. Unfinished or unsurfaced concrete block walls - are of publicly-accessible space, as well as a source of shade and strongly discouraged. Block walls should be coated with green. They should be provided along all publicly accessible cement stucco or similar surface. streets and major pedestrian ways, including water edge esplanades. Deciduous trees are recommended, as noted C. PLANT MATERIALS AND LANDSCAPE TREATMENTS above. In general, a consistent species should be used along the length of a street or way. 1. Plant Materials - should be selected and placed to reflect both ornamental and functional characteristics. a. Tree Wells - Trees should be planted in curbside tree wells with a minimum horizontal dimension of 5 feet and a. Deciduous trees - should be the predominant large plant depth of approximately 3'-6". Where possible, larger sub- material used. They should be used as street trees and located adjacent to buildings and within parking areas to provide shade in summer and allow sun in winter. Species should be selected that have deep roots, provide fall color, and minimal litter and other maintenance prob- lems. b. Evergreen shrubs and trees - should be used as a screen- V> ing device along rear property lines (not directly adj- tx:I ~ acent to residences), around mechanical appurtenances, ;:; and to obscure grillwork and fencing associated with [ '" ::4- subsurface parking garages. U> c. Flowering shrubs and trees - should be used where they can be most appreciated, adjacent to walks and open Street trees should be provided along pedestrian and bike ways to space areas, or as a frame for building entrances, stairs, define them as public spaces. and walks. Final Plan - June 2004 - 62 -