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allows it to stop the water long enough for the sediment to settle <br /> while the water passes through the silt fence fabric . All supporting <br /> ' posts shall be on the down -slope side of the fencing . Place the <br /> bottom of the fabric 6-inches minimum , under compacted soil to <br /> prevent the flow of sediment underneath the fence . Otherwise , <br /> ' install in accordance with FDOT Index No . 102 . <br /> 3 . Removal : The silt screens shall become the property of the <br /> OWNER upon completion of the project . When they are no longer <br /> ' needed , carefully remove and clean the silt screens and contact <br /> Indian River County Road and Bridge Division (772-5085 ) , which <br /> will provide a truck to pickup the silt screens . Load the silt screens <br /> ' barriers onto the County truck . <br /> 4 . Product : All material shall be new and unused . Use FDOT Type IV <br /> silt fences where large sediment loads are anticipated , where <br /> slopes are 1 :2 (vertical : horizontal ) or steeper, or as directed by the <br /> ENGINEER ; otherwise use FDOT Type III silt fence . <br /> (a ) For FDOT Type III Silt Fence - ACF Environmental , Catalog <br /> No . 360800000 , Florida DOT Silt Fence . U . S . Sieve = 309 <br /> tensile strength = 120 pounds . The heavy-duty filter fabric <br /> shall be pre-attached to 48-inch long stakes on 6400t <br /> ' centers . ( 1 -800448-3636 ) . <br /> ( b ) For FDOT Type IV Silt Fence , modify the above Catalog No . <br /> 360800000 to comply with FDOT Index No . 102 . <br /> (c) Or equivalent . <br /> B . Turbidity Barriers : <br /> 1 . General : Use turbidity barriers to control sediment contamination of <br /> rivers , lakes , ponds , canals , etc . <br /> 2 . Installation : Install per the manufacturer' s recommendations and <br /> per FDOT Index No . 103 unless directed otherwise by the <br /> ENGINEER . <br /> 3 . Removal : The turbidity barriers shall become the property of the <br /> ' OWNER upon completion of the project . When they are no longer <br /> needed , carefully remove and clean the turbidity barriers and <br /> contact Indian River County Road and Bridge Division (770-5085 ) , <br /> which will provide a truck to pickup the barriers . Load the turbidity <br /> barriers into the County truck. <br /> ' 4 . Product: All material shall be new and unused . The turbidity barrier <br /> shall be a pervious barrier and the fabric color shall be yellow . <br /> a . Parker Systems , Inc. ( 1 -866-472-7537 ) , model Type I . <br /> ' b . Or equivalent . <br /> C . Sedimentation Control From Dewatering or Pumping Operations Using <br /> ' Filter Bags : <br /> 1 . Remove silt , sediment , and other particles from dewatering or <br /> pumping applications using a filter bag . The bag shall be <br /> Last revised 3/31 /03 02225-5 EAST GIFFORD <br /> R\Public Works\KeithM\Stormwater Projects\Gifford East\Construction Contract\Technical Specifications\Final <br /> ' Specifications\Division 2\02225 - Erosion Control & Treatment.doc <br />