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INDIAN RIVER COUNTY MITIGATION REEF PROJECT 0 TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS 16 . PERMITS Copies of Permits are provided in Appendices A and B of these Technical and Environmental Specifications . The CONTRACTOR shall abide by all notes , conditions , and specifications indicated in the Plans , Permits , and Specifications . If the CONTRACTOR violates any condition of any permit or work is stopped by the COUNTY or any regulatory entity at the staging area or on the water for any reason , including for conditions such as excessive noise , any additional costs incurred by the CONTRACTOR, including fines or litigation , shall be the responsibility of CONTRACTOR at no additional cost to the COUNTY. Any delay caused by such lawful stoppage shall not excuse the CONTRACTOR from liability for liquidated damages should such stoppage cause or contribute to the CONTRACTOR being declared delinquent or in default of the Contract. 17 . MITIGATIVE REEF CONSTRUCTION — GENERAL 17 . 1 Site Markers and Construction Area . Natural reefs (defined as exposed and/or Ephemeral Hardbottom ) lie exposed or beneath a shallow sand layer within close proximity to the construction site . All known areas of exposed and/or Ephemeral Hardbottom habitat are shown on the construction plans . Widespread exposed and/or Ephemeral Hardbottom is known to occur both north and south of the Mitigation Area . In addition , in some areas drifting sand may have exposed rock/hardbottom/natural reef structure that is not identified on these or other drawings . It is the responsibility of the CONTRACTOR to determine locations of the exposed and/or Ephemeral or shallow hardbottom within his/her work and anchoring areas , and to avoid damage to these features . Exposed , buried and/or Ephemeral hardbottom may limit available anchoring methods . In order to protect the rock/hardbottom/natural reef structure , no anchoring or spudding shall take place on existing rock that is exposed and/or buried under shallow sand . The CONTRACTOR shall remain outside of any areas of exposed and/or Ephemeral Hardbottom . The CONTRACTOR shall place and maintain a minimum of seven buoys along the southern terminus of the Cable Avoidance Buffer Area/Northern Limit of the Work Area , at the coordinate locations identified on the Plans , for the duration of Mitigation Area construction . No material shall be placed within the Cable Avoidance Buffer Area or outside of the designated limits of the Mitigation Area as specified in the Plans . The Mitigation Area Coordinate Table , presented on the Plans , identifies designated corner location coordinates for the mitigation area transition areas associated with the reef placement. At a minimum , the CONTRACTOR shall establish temporary buoys at these locations during deployment using Differential Global Positioning System ( DGPS ) with sub-meter accuracy. 17 .2 Sand on Barge . Only clean sand , as designated by the COUNTY, shall be used to protect the deck of the barge during construction and under no circumstances shall the sand be allowed to enter the water. Additionally , the CONTRACTOR shall be TS-9