Agmt 2010 Pacheco Brothers Gardening Inc

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No modifications may be made to the existing automatic irrigation system without express approval of the City. Any changes so approved shall be noted by the Contractor on a copy of the Irrigation plan and submitted to the City within five (5) working days of the completion of the work. In the event of a drought condition, the City shall have the authority to modify the watering requirements described in these specifications. Weed Control All areas within the work sites are to be kept free of weeds and volunteer tree growth. This includes but is not limited to, all bare dirt areas and any weed growth within ground cover and shrub plantings. Pedestrian walkways, medians and other hardscaped areas are to be kept weed- free at all times; this includes the area that extends two feet from face of curb into the street area. Volunteer tree growth shall be removed by the Contractor as part of this contract. The Contractor shall comply with all rules, regulations, and license requirements of the California Department of Pesticide Regulation, the Department of Health, the Department of Industrial Relations and all other agencies which govern the use of pesticides required in the performance of work on the Contract. Sprang The Contractor shall perform spraying on City properties to prevent weed growth. Spraying shall consist of (1) use of apre-emergent herbicide to prevent weed growth during the growing season following application, and (2) use of a systematic herbicide to kill regrowth and/or summer weeds. Soil sterilants may not be used unless directed by the City. 2. It shall be the Contractor's responsibility to apply herbicides as necessary to keep all properties appropriately free of weeds throughout the year. Weeds shall not exceed a maximum two (2) inches in height. It is the Contractor's responsibility to control summer weeds such as, but not limited to: Russian thistle, puncture vine, morning glory; anise, kikuyu grass, and bermuda grass. It is also the Contractor's responsibility to control perennial and/or woody plants such as but not limited to: blackberry and coyote brush. 3. It shall be the Contractor's responsibility to determine the most appropriate times of year to apply herbicides, fungicides, and pre-emergents. 4. It shall be the Contractor's responsibility to independently monitor all contract areas and perform touch-up spraying. Monitoring shall as a minimum include a weekly physical inspection of all spray areas. Touch-up spraying shall be required at any time that weed growth occurs. The Contractor shall mow if weed growth on sprayed lots exceeds 4" in height.