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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 contract <br />areas and perform touch-up spraying. Monitoring shall as a minimum include a <br />weekly physical inspection of all spray areas. Touch-up spraying shall be <br />required at any time that weed growth occurs. Thirty (30) days after <br />application, if any weeds remain, Contractor shall remove by hand or have a <br />second application applied at Contractor's cost. <br />5. The Contractor shall use the necessary equipment in order to accomplish the <br />work in a satisfactory manner. The Contractor shall arrange operations so that <br />the herbicides will not be distributed beyond the limit of property sprayed. The <br />Contractor shall apply the herbicides using nozzles and pressure necessary for a <br />proper application. <br />6. The Contractor shall supply water for the chemical mix. No reclaimed water <br />may be utilized. Well water from City Parks is encouraged for use for spraying at <br />no extra cost. (Washington Manor, San Leandro Ball Park, Thrasher, Cherry <br />Grove, and Halcyon Parks) <br />7. The materials used by the Contractor must be of such composition and of <br />sufficient strength to kill weeds, but may not sterilize the soil for a period in <br />excess of one year following application. The chemicals used shall not be toxic <br />or harmful in any manner to animals or human beings when used in prescribed <br />manner. The materials used shall not harm desirable vegetation such as trees or <br />turf. The materials used shall not be flammable or leave an oily residue that will <br />discolor or leave a slippery film on sidewalks and curbs. The City may at any <br />time during the spraying operation take samples to check materials being used. <br />Upon request, the Contractor shall provide the City with information regarding <br />chemicals applied to specified locations. In addition, the Contractor shall upon <br />request provide the City with specimen labels of chemicals applied. In the <br />event the treatment is not effective, the contractor will be required to remove <br />all growth from the area within the limits of the spray application. <br />Mowinq <br />1. Mowing shall be performed as directed by the City, on City and private <br />property. Weeds will be mowed with a flail mower to a maximum height of 2". <br />2. It is the intention of this specification to provide for mulching as would be <br />furnished by a Flail Mower so that no grass or stubble shall exceed 2" in height. <br />Weeds shall be removed from against fences, trees, and other obstructions. If <br />the City determines that mowing practices or the condition of the weeds does <br />not provide adequate mulching, the Contractor is to remove the mulched <br />weeds. <br />RFP 55026 CITYWIDE MEDIAN MAINTENANCE Page 61 of 75 <br />