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570.4 Turf Establishment. Perform all work necessary, including watering and fertilizing, to sustain an established turf until final acceptance, at no additional expense to the Department. Provide the filling, leveling, and repairing of any washed or eroded areas , as may be necessary. Established turf is defined as follows : Established root system ( leaf blades break before seedlings or sod can be pulled from the soil by hand) . No bare spots larger than one square foot . No continuous streaks running perpendicular to the face of the slope . No bare areas comprising more than 1 % of any given 1 , 000 square foot area . No deformation of the turf areas caused by mowing or other Contractor equipment. Monitor turf areas and remove all competing vegetation, pest plants , and noxious weeds (as listed by the Florida Exotic Pest Plant Council, Category I "List of Invasive Species" , Current Edition, www . fleppc . org) . Remove such vegetation regularly by manual, mechanical, or chemical control means , as necessary . When selecting herbicides , pay particular attention to ensure use of chemicals that will not harm desired turf or wildflower species . Use herbicides in accordance with 7 - 1 . 7 . u If at the time that all other work on the project is completed, but all turf areas have not met the requirements for established turf set forth in 5704 , continuously maintain all turf areas until the requirements for established turf set forth in 5704 have been met. During the entire establishment period and until turf is established in accordance with this specification , continue inspection and maintenance of erosion and sedimentation control items in accordance with Section 104 . Take responsibility for the proper removal and disposal of all erosion and sedimentation control items after turf has been established . Notify the Engineer, with a minimum of seven calendar days advance notice , to conduct inspections of the turf at approximate 90-day intervals during the establishment period to determine establishment . Results of such inspections will be made available to the Contractor within seven calendar days of the date of inspection. Determination of an established turf will be based on the entire project and not in sections . Upon the determination by the Engineer that the requirements of 5704 have been met and an established turf has been achieved and all erosion and sedimentation control items have been removed, the Engineer will release the Contractor from any further responsibility provided for in this Specification . The Contractor ' s establishment obligations of this specification will not apply to deficiencies due to the following factors , if found by the Engineer to be beyond the control of the Contractor, his Subcontractors , Vendors or Suppliers : a. Determination that the deficiency was due to the failure of other features of the Contract. b . Determination that the deficiency was the responsibility of a third party performing work not included in the Contract or its actions . The Department will only pay for replanting as necessary due to factors determined by the Department to be beyond the control of the Contractor . 570-5 Responsible Party. For the purposes of this Specification, the Contractor shall be the responsible party throughout construction and establishment periods . - 169 - FPID ( S ) : 423186 - 1 - 58 -01