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The Monitoring Plan shall include, but not be limited to, the following specifications: <br /> 13 . 1 . 1 Turbidity Monitoring. 'the turbidity monitoring; shall beconduc(ed by a third )arty <br /> The CONTRACTOR shall beresnonsibleforthepontractedthird1),,Irtyfotalllabor, Doletod: povide <br /> equipment, and materials necessary to obtain, analyze and report turbidity data in <br /> accordance with the water quality monitoring requirements specified in the FDEP <br /> Permits (Specific Conditions 7e and 16 of the Sector % permit and Specific <br /> Conditions ('Io Be Determined (TBD )) of the Sectors 1 & 2 ( AmbersinclI permit) <br /> and associated Variances. The COUNTY reserves the option to accompany the <br /> CONTRACTOR ' s third party turbidity monitoring Personnel during any or all <br /> turbidity sampling activities. <br /> 13 . 1 . 1 . 1 E ui ment. The CONTRACTOR shall be responsible for the third <br /> aru Ws use of a portable nephelometer that meets Environmental <br /> Protection Agency standards to measure turbidity. The nephelometer <br /> shall have been factory calibrated within the last year. The <br /> CONTRACTOR shall use a boat of sufficient size to conduct sampling in <br /> the nearshore waters during the winter and outfitted to meet all safety <br /> requirements of the U.S . Coast Guard. The boat shall possess sufficient <br /> navigational instrumentation (DGPS) to accurately determine the position <br /> of sample points relative to the dredge and the discharge point and an <br /> operational VHF radio and cellular phone for communication with the <br /> dredge and COUNTY staff. <br /> 13 . 1 . 1 .2 Turbidity Monitoring. The CONTRACTOR shall be responsible for the <br /> third party taking turbidity measurements during any construction activity <br /> as described in Section 31 and Appendix F of these Technical <br /> Specifications. The sampling locations must be consistent with the <br /> project permits, specifically with the Water Quality Monitoring Required <br /> Section of the Florida DEP permit. <br /> 13 . 1 . 1 .2 . 1 Offshore Borrow Site(s). The CONTRACTOR shall be <br /> responsible for the third part\ to conduct turbidity monitoring <br /> at the borrow site every six (6) hours during dredging <br /> operation with the first sample taken within 1 hour following <br /> commencement of each dredging cycle, and additionally, <br /> whenever excessive turbidity_plumes pipeline I ezk- or pills <br /> ai_e obseved ._ The CONTRAC'TOR'S thir art shall collect <br /> additional samples at the request of the ENGINEER or the <br /> COUNTY. The CONTRACTOR' S third )arty shall collect <br /> Background and Compliance samples for the offshore borrow <br /> site. The Background turbidity sample shall be collected at a <br /> minimum distance of 500 meters ( 1 ,640 feet) up-current from <br /> the dredge and clearly outside of any project-induced turbid <br /> plume. The borrow site Background sample shall be <br /> collected at mid-depth . The Compliance turbidity sample <br /> TECHNICAL AND ENVIRONMENTAL SPECIFICATIONS Re\ October 5 , 2007 TS-8 <br />