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REQUIRED FOR DESIGN INSTALLATION , AND MAINTENANCE <br /> A. Site-specific design of the erosion and stormwater pollution control system , and <br /> installation and maintenance of all erosion and stormwater pollution control <br /> devices , shall be by a State certified erosion control specialty subcontractor who <br /> specializes in the design , installation , and maintenance of such devices . After <br /> installation , this subcontractor shall maintain the erosion and stormwater <br /> pollution control devices until the devices are no longer necessary. (Note : The <br /> CONTRACTOR may install and maintain the erosion and stormwater pollution <br /> control system under the direction of the State certified erosion control specialty <br /> subcontractor. ) Before beginning construction , submit to the ENGINEER for <br /> review, a Stormwater Pollution Prevention Plan , prepared by the State <br /> certified erosion control subcontractor. Construction shall not begin until the <br /> Stormwater Pollution Prevention Plan has been submitted to the ENGINEER . <br /> The CONTRACTOR shall complete the certification provided at the end of this <br /> Section and it shall be a part of the Stormwater Pollution Prevention Plan . <br />.. <br /> 1 . 6 "POLLUTION" AND CERTAIN UNCONTESTABLE POLLUTION EVENTS DEFINED <br /> A. Except as may be defined otherwise in paragraphs 1 . 6 . 13 , 1 . 6 . C , and 1 . 6 . D , <br /> "pollution" is the presence in off-site waters of any substances , contaminants, or <br /> r' manmade or human-induced impairment of waters or alteration of the chemical , <br /> physical , biological , or radiological integrity of water in quantities or at levels <br /> which are or may be potentially harmful or injurious to human health or welfare , <br /> animal or plant life , or property. Pollutants to be removed include but are not <br /> limited to , sediment and suspended solids , solid and sanitary wastes , <br /> phosphorus , nitrogen , pesticides , oil and grease , concrete truck washout , <br /> construction chemicals , and construction debris . <br /> 1 B . When the Discharge is Directly Into an Existing Water Body , Pollution Occurs <br /> When . . . An existing water body (including ditches and canals) is defined to <br /> be polluted by the CONTRACTOR's operations when at any time , the turbidity <br /> of the water immediately downstream of the CONTRACTOR's discharge <br /> point(s) is 29 nephelometric turbidity units (NTUs) higher than the turbidity of <br /> the background water upstream of the discharge point(s) . (See Fla . <br /> Administrative Code 62-302 . 530] The ENGINEER or OWNER shall determine <br /> the locations where the turbidity is measured . <br />.. C . When the Discharge is not Directly Into an Existing Water Body, Pollution <br /> Occurs When . . . In some instances, dewatering water or stormwater runoff <br /> from the construction site or work area may reach a water body indirectly, such <br />.� as after traveling through pipes or by overland flow. Before construction <br /> commences , the OWNER or ENGINEER will measure background levels of <br /> total suspended solids (TSS) and turbidity, in the immediate vicinity of the <br />•• discharge water's ultimate discharge point into the receiving water body. If the <br /> discharge water's TSS and turbidity measurements exceed these pre- <br /> Last revised 7/9/01 01025-6 Technical Specifications <br /> FAEngineering\Capital Projects\0201 -03128-Indian River Drive Sidewalk-South-Highland Drive SVV\0201 Indian River Drive South <br /> Sidewalk - Contract Docs\0201 - Technical Specifications.doc <br /> r <br />