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All trees shall be pruned by qualified personnel using horticulturally sound methods <br />and approved techniques. Trees shall be pruned to develop a structurally sound <br />shape and a healthy, natural appearance. No excessive pruning or stubbing <br />back will be allowed. Sucker growth originating at the trunk or root zone shall be <br />removed. Trees encroaching into backyards of private property from work areas <br />shall be side trimmed to fence line to a height of 12 feet. <br />Trees shall be fertilized on an as needed basis based on the health of the tree and <br />the soil conditions, with a complete fertilizer formulated for use on trees. The <br />fertilizer shall be injected into the soil or spread in the watering basin. <br />Trees knocked down by vehicular accidents or trees and large limbs blown down <br />and blocking traffic lanes shall be immediately reported to the City, which shall <br />have responsibility for cleanup of such trees and large limbs. Any time personal <br />property of a motorist or pedestrian is damaged due to falling trees or limbs, the <br />Contractor shall notify the City Police Department immediately. Any small <br />branches which fall or are blown from median plantings, causing no damage, shall <br />be removed and disposed of by the Contractor. <br />Perennials <br />The City has made a concerted effort to change areas previously planted with <br />annuals to perennials and adhering to Bay Friendly Guidelines for maintenance. <br />This includes leaving plants in their natural shape, trimming back one to two times <br />per year, adding three inches of mulch to bare areas, and watering by bubblers or <br />by hand. Contractor shall be required to replace dead or diseased perennials with <br />like species in consultation with the City. Perennials shall be fertilized twice per year <br />in October and April with a complete fertilizer formulated to keep perennials in a <br />vigorous and health condition. <br />Shrubs <br />Shrubs shall be pruned as necessary to encourage healthy, natural growth <br />patterns for each specific variety. Pruning shall include thinning, shaping, and <br />removing dead or diseased branches. For flowering shrubs, including roses, dead <br />blossoms still attached shall be removed. Shrubs which may restrict visibility, such as <br />those adjacent to left hand turn lanes or those within 100 feet of any intersection <br />shall be kept within the height range of 12-24 inches as measured from the street <br />level. Rhododendron shall be fertilized as needed by the appropriate fertilizer. <br />Different types of shrubs should not be allowed to grow together and <br />suckers/volunteer intruders shall not be allowed to grow within the established <br />shrubs. Existing ivy growth in shrubs shall be removed and shall be kept trimmed <br />back from shrubs/trees. <br />All shrubs shall be pruned back to clear all roadways, curbs, gutters and sidewalks. <br />Shrubs shall not block signs, utilities, utility meters or any other facilities located <br />RFP 55026 CITYWIDE MEDIAN MAINTENANCE Page 57 of 75 <br />