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INDIAN RIVER COUNTY MITIGATION REEF PROJECT <br /> TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS <br /> compliance with the conditions of the permits , easements and terms of this contract <br /> attributable to their personnel or Subcontractors . <br /> 19 .4 Navigation Concerns . All vessels shall operate at minimum speeds necessary to <br /> maintain steerage while operating in shallow waters or channels where the draft of the <br /> vessel provides less than 3 feet clearance from the bottom . The CONTRACTOR shall <br /> immediately stop work and notify the COUNTY and Florida Fish and Wildlife <br /> Conservation Commission ( FWC) of any collision with , or injury to , manatees or other <br /> endangered species or reef. No equipment shall be towed within one mile of the Project <br /> Area , or in water depths less than 25 feet MLW — rather, the barge and all other <br /> equipment are to be brought to the project site " on the hip" or otherwise directly <br /> connected to the tug . <br /> 19 . 5 Turbidity Control . <br /> 19 . 5 . 1 Containment . The CONTRACTOR shall provide adequate turbidity <br /> containment and control to prevent any turbidity violations from occurring due to <br /> stormwater runoff during storage of rocks and other materials at the staging area , <br /> placement of rocks and other materials at the reef construction sites , and during <br /> all other project operations . Washing will be required for the material to be <br /> sufficiently clean to avoid creating turbidity problems , particularly any material <br /> that has been covered with dirt and vegetation . The CONTRACTOR shall clean <br /> the material at the source sites in order to avoid turbidity impacts at the staging <br /> area and reef construction sites . If it becomes necessary to re-wash any of the <br /> material at the staging area , the CONTRACTOR , upon receiving acceptance <br /> from the COUNTY, shall be responsible for retaining all washwater on-site . The <br /> CONTRACTOR is responsible for placing only clean limestone or coquina free of <br /> debris or other foreign matter, within the Mitigation Area . <br /> 19 . 5 .2 Monitoring . The CONTRACTOR shall be responsible for monitoring of <br /> and compliance with State and Federal Permits conditions regarding turbidity <br /> levels . If turbidity levels approach 29 NTUs above background , the construction <br /> operations or staging site operations shall be modified , at the CONTRACTOR'S <br /> expense , to maintain compliance . <br /> 19 . 5 .3 Turbidity Non -Compliance . In the event of any and all noncompliance , <br /> (29 NTUs above background ) , the CONTRACTOR SHALL IMMEDIATELY <br /> CEASE activities causing turbidity , notify the COUNTY , and repeat the sampling <br /> and analyses until the turbidity has returned to acceptance levels . All reporting to <br /> the Florida Department of Environmental Protection ( FDEP ) shall be provided by <br /> the COUNTY. The CONTRACTOR shall be liable for any non -compliance with <br /> the conditions of the Permits and terms of this Contract attributable to their <br /> personnel and/or Subcontractors . <br /> 19 . 5 . 4 Permits , Easements , and Contract Non -Compliance . The <br /> CONTRACTOR shall immediately notify the COUNTY of any non -compliance <br /> with the Permits , easements or terms and conditions of this Contract including <br /> the CONTRACTOR ' S Environmental Protection Plan . Any non -compliance noted <br /> TS- 16 <br />