10/25/2000 Env Bd Packet - Laserfiche WebLink

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ROUGH DRAFT 09/20/00 2. Easement/utility clearance — Trees, shrubs, and structures used for landscaping or screening shall not be permitted within any utility easement or public right -of -way unless specifically permitted by the City and shall require filing of an encroachment agreement. Trees, shrubs, or structures placed upon utility easements are subject to removal at the owner's expense if required for the maintenance or improvement of the utility. No trees or shrubs shall be planted under existing or planned utility lines when the mature height and spread of the plant may lie within ten (10) feet of such wires. [per p. 3 -30] 3. Crime Prevention Through Environmental Design (CPTED) - All landscape /screening plans shall be consistent with the objectives and standards of CPTED as determined by the City police department and zoning administrator, including, but not limited to: a) Creating a sense of ownership or space definition. b) Establishing appropriate access controls while maintaining freedom of movement through the site. c) Providing for appropriate visibility into, out of, and within the site. Generally, a visual buffer should include a combination of lower and upper level plants that allow through visibility between a height of four (4) feet and seven (7) feet above the ground. [illustrate with diagram] VI. DESIGN STANDARDS AND SPECIFICATIONS A. Plant Material Standards 1. Type —New landscaping should be compatible with the ecological prototype(s) existing on the property and/or complement existing landscaping or vegetation established on the property and adjacent properties. Appendix A includes plant species list associated with the various ecological prototypes within the City. 2. Size — The minimum size at time of planting shall be consistent with the following standards, unless otherwise approved by the City: a) Large deciduous trees shall be a minimum of 212 caliper inches b) Medium and small (ornamental) deciduous trees shall be a minimum of 112 caliper inches c) Coniferous trees shall be a minimum of six (6) feet in height d) Shrubs and hedge material shall be a minimum of two feet (24 ") in height e) Herbaceous ground covers, grasses, and perennials shall be potted in a minimum of 4" pot. 3. Quantity — Plantings intended for visual screening should be planted at a density to achieve seventy percent (70 %) visual obscurity year- round, within three growing seasons, unless otherwise approved by the City. At a minimum, the quantity of new plant material shall be consistent with the following standards and shall be in additional to screening required per Section VI.B.: 9