ITB 20-08-01 City Landscaping Services (With Hyperlink to Option B)

Home Browse Search

City of Sunny Isles Beach | ITB 20-08-01 City Landscaping Services 61 twice per year. In areas with noticeable compaction and wear, additional aeration will be required at no additional cost. Coordinate dates for this work with the City. Contractor is to check the depth of any wires, irrigation or utilities prior to application. Verticutting must be performed once a year and thatch build-up needs to be monitored and alleviated when necessary. De-thatching should be maintained at a depth of ¼” – ½” of depth and thatch shall be collected and disposed of by the Contractor. 3.14.5 WEED CONTROL For weed control, on Bermuda turf, the Contractor shall apply Sencor 75 Turf herbicide and Revolver Selective herbicide by Bayer or approved equal to maintain a 95% weed free turf, following the manufacturer’s instructions for application methods and amounts. Visible weeds shall be removed by hand before the base reaches more than one inch in diameter. 3.15 EDGING Sidewalks, driveways, curbs, and other concrete or asphalt edges must be edged concurrently (same day) with each mowing cycle. Edging height must match surrounding area turf heights and must be neat and clean, providing a clear zone free of scalping, rutting, bruising, uneven or rough cutting. All sidewalks, driveways, street edges, curbs, and other paved areas must be edged to maintain a clear zone immediately adjacent to paved surfaces and to provide uniform edge lines. In addition, the following edging standards have been established:  Edging must be performed at the same time as mowing and must be cut to the same height standards established for turf mowing heights.  Contractor must maintain the shape of planting beds when edging.  No vegetation or debris may encroach onto the curb or sidewalk.  No deviation of soil height of more than 4” above or 2” below the top of curb or sidewalk.  No grass, vegetation, or debris may encroach onto a path.  No encroachment of vegetation more than 3” over mulch on trees and landscape beds.  Edging may be accomplished by mechanical (cutting or trimming by machine) and/or chemical control. The use of any chemicals must be subject to the approval of the City’s Project Manager(s) in accordance with the requirements of the Contract Documents.  The Contractor shall use caution when applying chemicals in order that adjacent plant material will not be adversely affected.  The contractor is to ensure that proper attention is given where tree roots are in close proximity to curbs and sidewalks. Extreme care must be exercised to prevent damage to concrete during the edging process. 3.16 LINE TRIMMING Turf must be line trimmed, using line trimming or other standard industry practices or sprayed in a manner that does not leave dead or dying grass in areas around trees, shrubs, buildings, fences, light poles, sign posts, fire hydrants, picnic tables, benches, parking lot bumper blocks, boulders, or other fixed obstacles. Line trimming must be performed concurrently (same day) as turf mowing. Trimming height must match surrounding area turf heights. Trimming around trees should be done