8D Consent 2011 1219 - Laserfiche WebLink

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7. The materials used by the Contractor must be of such composition and of sufficient strength to kill weeds, but may not sterilize the soil for a period in excess of one year following application. The chemicals used shall not be toxic or harmful in any manner to animals or human beings when used in prescribed manner. The materials used shall not harm desirable vegetation such as trees or turf. The materials used shall not be flammable or leave an oily residue that will discolor or leave a slippery film on sidewalks and curbs. The City may at any time during the spraying operation take samples to check materials being used. Upon request, the Contractor shall provide the City with information regarding chemicals applied to specified locations. In addition, the Contractor shall upon request provide the City with specimen labels of chemicals applied. In the event the treatment is not effective, the contractor will be required to remove all growth from the area within the limits of the spray application. Material The Contractor shall supply all new and replacement material for all new construction or replacements necessary as per City Standard Construction Drawings. All replacements, whether due to disease, pest infestation or Contractor negligence shall be Contractor responsibility and considered part of the bid item without separate payment made therefore. Fertilizers shall conform to the California Food and Agricultural Code. Commercial fertilizers shall be complete fertilizers furnishing the required percentages of nitrogen, phosphoric acid, potash, and other necessary micronutrients as needed to keep turf, trees, and shrubs in a healthy and vigorous growing condition. Any tree stakes, tree ties, and/or guy wires needing replacement shall be replaced with new materials as per the City Standard Contract Drawings, at the expense of the Contractor. Pest Management All landscaped areas shall be maintained free of disease and harmful insects without compensation beyond the base bid. The City of San Leandro seeks to control pests without harming non - target organisms, or negatively affecting air and water quality and public health. The Contractor shall give preference to reasonably available non - pesticide alternatives when conducting pest management activities on City property and public right -of -ways. Chemical controls should only be applied when monitoring indicates that preventative and non - chemical methods are not keeping pests below acceptable levels. When pesticides are required, the least toxic and the least persistent pesticide that will provide adequate pest control is applied. Pesticides should not be applied on a prescheduled basis. The Contractor may employ Integrated Pest Management (IPM) practices when controlling pests. IPM uses cultural, mechanical, physical, and biological control methods before using pesticides. The Contractor shall comply with the City's IPM policy as part of the implementation of this agreement. Litter and Leaves Prior to mowing, all litter is to be removed from turf by the contractor and properly disposed of. In addition, litter, trash, leaves, clippings, and other debris shall be removed from the work sites a minimum of once per week or unless otherwise specified, more often to maintain a neat and clean appearance. Green Waste cannot be landfilled per Alameda County regulation and must be properly recycled at an authorized transfer station or composting facility. Litter that is recyclable must be recycled. NPSA 51517- Citywide Landscape - Pacheco Brothers Page 20 of 25