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All trees that exhibit the signs of disease or any other signs of distress shall be inspected by a Certified Arborist approved by the Director. Should the Certified Arborist determine that the tree had a terminal disease that the Contractor could not have treated or prevented, the Contractor shall not be responsible to replace the tree. However, should the Certified Arborist determine that the tree's unhealthy condition or death could have been prevented had the Contractor treated the tree then Contractor shall be responsible for the cost of treatment to restore the tree to a healthy condition or replace the tree. The latest American Shade Tree Conference guidelines for value determination will determine the value of the trees lost. By entering into agreement with the City the Contractor acknowledges that they accept the condition of each tree and should a tree go into decline or expire the Contractor agrees to replace the tree with like species and size or agree that the City shall withhold payment equal to the value of the tree. Perennial/Annual Color All perennial/annual color beds shall be maintained and planted/rotated four (4) times per year as detailed in Attachment 5. Annual color is part of the base bid and not part of the plant cap. For every rotation l ~0 flats are planted in annual planting areas. 6. Vine Planting, Establishment and Maintenance a) Planting Contractor shall continuously plant throughout the year at its own expense 1 gallon Parthenocissus tricuspidata (Boston Ivy) vines at 15' on center along property walls, building walls, and any other park owned walls until the vines mature and cover the walls. Note that the Contractor shall irrigate the vines and fertilize as necessary to promote healthy and vigorous growth. The Contractor will immediately replace any vine at the Contractor's expense that is lost for any reason including but not limited to lack of water, vandalism, accidental post emergent spraying, etc. See Attachment 7 for plant cap. b) Contractor shall trim the vine once it reaches the top of the wall or at a specific height on the wall, as determined by the Director. The Contractor shall keep vines off telephone poles or other non wall surfaces at all times 7. Weeds, Disease and Pest Control a) Weed Control All hardscape areas shall be kept free of weeds at all times. Weeds shall be removed by hand and/or approved mechanical or chemical methods. Director may dispatch City staff to remove weeds that reach two (2) inches or greater and are not removed immediately. In such instance, the cost will be deducted from the Contractor's monthly invoice. 21 25C-113