07/06/2010 Council Packet - Laserfiche WebLink

Home Search

Attachment 2: Landscaping and Tree Preservation Standards - REVISED JUNE 21, 2010 Page 11 d. Clear Vision Area for Local Residential Roads: Shall mean the triangular area of a corner lot formed by the intersection of the right -of -way (ROW) lines and a line connecting them at points 20' from the intersection unless otherwise directed by the City (see illustration). Within this area, visibility shall be unobstructed between a height of 30 inches and 8 feet above the center line grades of the intersecting roads. Clear Vision Area for County Roads: Shall be determined on a case by case basis, depending on the road alignment, grading, traffic speed and the nature of the intersection and is subject to County and City review. -r I Clear View Area LL defined by ROW line ROW lire Curb line e. The minimum plant size requirements are described in the following table: Minimum Plant Size Requirements Plant Type Minimum Size* Large trees Bare Root - 1.75" Balled and Burlapped or Container - 2" caliper Medium and small trees Bare Root - 1.5" Balled and Burlapped or Container - 1.5" caliper Evergreen trees 6' height Large shrubs 3 gallon container Medium shrubs, small shrubs and groundcovers 1 gallon container Ornamental grasses and perennials 4" pot * City may limit bare root plantings in areas of high visibility. In selected situations the City may allow ten (10) whip bare root plantings, or five (5) 3/4" caliper bare root plantings to be substituted for 1 large tree. Bare root plantings must be protected with rodent guards. f. All boulevard trees shall be balled and burlapped and a minimum size of 2" caliper g. Installation and Maintenance 1) Installation: Proper planting is the first and most important step toward establishing healthy and low maintenance vegetation. All plantings shall be installed in accordance with standard practices of horticultural professionals. Stem girdling roots are often fatal for trees that have been planted too deep or have mulch or soil built up around the trunk. All trees shall be planted so that the root flare (where the trunk widens out just above the roots) is visible above the ground level and the highest large root is within 1/2" of the ground surface. All adventitious roots should be cut away at the time of planting to avoid the formation of stem girdling roots. 2) Maintenance: The property owner or if applicable, the homeowners association, shall be responsible for maintenance of landscape elements (plants, structures, pavement, etc.) so as to present a neat and aesthetically pleasing appearance free of any unhealthy or potentially unsafe conditions. Landscaping shall be maintained to be weed -free, healthy, trimmed, mown, edged, reseeded, pruned, and replaced with similar plant species if necessary. Specific requirements for watering and pruning follow: •