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`Y1)' Of SUN F'" <br />VI. Bahia grass shall be mowed with a rotary mower for a total of (36) cuts per year or more <br />frequently as needed to maintain a well -manicured appearance at all times. The cutting <br />height shall be a maximum of 3 1/2" to 4" above soil. <br />VII. The mowing of wet grass shall be avoided when possible. Mower blades must be kept sharp <br />so that the cut grass edge is clean and not ragged. Mowing patterns shall be changed <br />frequently to avoid ruts or wear. Wind -row mowing patterns are not permitted. <br />VIII. The Government Center and School shall be mowed on Saturdays only. <br />IX. Shallow tine slice aeration shall be performed at least twice per year to provide proper air <br />and water exchange for maximum growth potential and health of St. Augustine turf in parks <br />off. Aeration shall result in a hole depth of 5 inches with average spacing of 16 holes per <br />square foot. In areas with noticeable compaction and wear, additional aeration will be <br />required at no additional cost. Coordinate dates for this work with the City. Contractor is to <br />check the depth of any wires, irrigation or utilities prior to application. <br />1.15 EDGING <br />Sidewalks, driveways, curbs, and other concrete or asphalt edges must be edged concurrently <br />(same day) with each mowing cycle. Edging height must match surrounding area turf heights and <br />must be neat and clean, providing a clear zone free of scalping, rutting, bruising, uneven or rough <br />cutting. All sidewalks, driveways, street edges, curbs, and other paved areas must be edged to <br />maintain a clear zone immediately adjacent to paved surfaces and to provide uniform edge lines. <br />In addition, the following edging standards have been established: <br />■ Edging must be performed at the same time as mowing and must be cut to the same height <br />standards established for turf mowing heights. <br />■ Contractor must maintain the shape of planting beds when edging. <br />■ No vegetation or debris may encroach onto the curb or sidewalk. <br />■ No deviation of soil height of more than 4" above or 2" below the top of curb or sidewalk. <br />• No grass, vegetation, or debris may encroach onto a path. <br />■ No encroachment of vegetation more than 3" over mulch on trees and landscape beds. <br />■ Edging may be accomplished by mechanical (cutting or trimming by machine) and/or <br />chemical control. The use of any chemicals must be subject to the approval of the City's <br />Project Manager(s) in accordance with the requirements of the Contract Documents. <br />■ The Contractor shall use caution when applying chemicals in order that adjacent plant <br />material will not be adversely affected. <br />■ The contractor is to ensure that proper attention is given where tree roots are in close <br />proximity to curbs and sidewalks. Extreme care must be exercised to prevent damage to <br />concrete during the edging process. <br />City of Sunny Isles Beach I ITB 20-08-01 Right -of -Ways and Facilities Landscape Maintenance Services <br />