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Volunteer tree growth shall be removed by the Contractor as part of this contract. <br />Weed spraying of docks shall occur at least once, possibly twice, in the Spring, <br />using an acceptable marine -grade pre -emergent to control weed growth. <br />The Contractor shall comply with all rules, regulations, and license requirements of <br />the California Department of Pesticide Regulation, the Department of Health, the <br />Department of Industrial Relations and all other agencies which govern the use of <br />pesticides required in the performance of work on the Contract. The city will <br />provide the contractor a pesticide use report that shall be turned in to the city <br />each month by the 5th. <br />Spraying <br />1. The Contractor shall perform spraying on City properties to prevent weed <br />growth. Spraying shall consist of (1) use of a pre -emergent herbicide to <br />prevent weed growth during the growing season following application, and <br />(2) use of a systematic herbicide to kill re -growth and/or summer weeds. Soil <br />sterilants may not be used unless directed by the City. At the City's discretion <br />and request, dye may be used to denote areas that have been sprayed, or <br />chemicals with a low, non-offensive odor may be used. <br />2. It shall be the Contractor's responsibility to apply herbicides as necessary to <br />keep all properties appropriately free of weeds throughout the year. Weeds <br />shall be sprayed and removed prior them reaching a maximum height or <br />diameter of two (2) inches. It is the Contractor's responsibility to control <br />summer weeds such as, but not limited to: Russian thistle, puncture vine, <br />morning glory, anise, kikuyu grass, and Bermuda grass. It is also the <br />Contractor's responsibility to control perennial and/or woody plants such as <br />but not limited to: blackberry and coyote brush. <br />3. It shall be the Contractor's responsibility to determine the most appropriate <br />times of year to apply herbicides. <br />4. It shall be the Contractor's responsibility to independently monitor all <br />contract areas and perform touch-up spraying. Monitoring shall as a <br />minimum include a weekly physical inspection of all spray areas. Touch-up <br />spraying shall be required at any time that weed growth occurs. Thirty (30) <br />days after application, if any weeds remain, Contractor shall remove by <br />hand or have a second application applied at Contractor's cost. <br />5. The Contractor shall use the necessary equipment in order to accomplish <br />the work in a satisfactory manner. The Contractor shall arrange operations so <br />that the herbicides will not be distributed beyond the limit of property <br />sprayed. The Contractor shall apply the herbicides using nozzles and <br />pressure necessary for a proper application. <br />RFP 55027 CITYWIDE TURF MAINTENANCE Page 59 of 63 <br />