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silt fence fabric. All supporting posts shall be on the down-slope side of the <br />fencing. Place the bottom of the fabric 6 -inches minimum, under compacted <br />soil to prevent the flow of sediment underneath the fence. Place silt fences <br />away from the toe of slopes. Otherwise, install in accordance with FDOT Index <br />No. 102. <br />3. Product: All material shall be new and unused. Use FDOT Types II through IV <br />silt fences where Targe sediment loads are anticipated, where slopes are 1:2 <br />(vertical: horizontal) or steeper, or as directed by the ENGINEER; otherwise use <br />FDOT Type III silt fence. <br />(a) For FDOT Type III Silt Fence - ACF Environmental, Catalog No. 360800000, <br />Florida DOT Silt Fence. U.S. Sieve = 30, tensile strength = 120 pounds. The <br />heavy-duty filter fabric shall be pre -attached to 48 -inch long stakes on 6 -foot <br />centers. (1-800-448-3636). <br />(b) For FDOT Type IV Silt Fence, modify the above Catalog No. 360800000 to <br />comply with FDOT Index No. 102. <br />(c) Or equivalent. <br />C. 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 manufacturers recommendations and per FDOT <br />Index No. 103 unless directed otherwise by the ENGINEER <br />3. Product: All material shall be new and unused. The turbidity barrier shall be a <br />pervious barrier and the fabric color shall be yellow. <br />a. Parker Systems, Inc.(1-866-472-7537),model Type 11 or Type 1 <br />b. Or equivalent. <br />D. Sedimentation Control From Dewatennq or Pumping Operations Using Filter Bags <br />1. Remove silt, sediment, and other particles from dewatering or pumping <br />applications using a filter bag. The bag shall be manufactured using a <br />polypropylene non -woven geotextile and sewn by a double -needle machine, <br />using a high strength nylon thread. The bag shall have a fill spout large enough <br />to accommodate a 4 -inch pump discharge hose. Straps shall be attached to <br />the bag to secure the hose and prevent pumped water from escaping without <br />being filtered. <br />2. Installation: Install in accordance with the manufacturer's specifications. Use as <br />many filter bags as required, at no additional cost to the OWNER Legally <br />dispose of the bags offsite, at no cost to the OWNER If the bags are placed on <br />aggregate to facilitate filtration efficiency, do not use limerock aggregate. <br />3. Product: The filter bag shall be supplied with lifting straps. <br />a. "DIRTBAG 53 or 55 as applicable," supplied by ACF Environmental, <br />Inc. (1-800-448-3636). <br />b. "DANDY DEWATERING BAG" supplied by Dandy Products, Inc. (1-800- <br />591-2284). <br />c. Or equivalent. <br />E Curb Inlet Protection: <br />1. Filter stormwater before it enters curb inlets <br />2. Installation: Install in accordance with the manufacturer's specifications. Use as <br />many of the specified filtration devices as required, at no additional cost to the <br />OWNER <br />01025-8 Technical Specifications <br />F:\Public Works\ENGINEERING DIVISION PROJECTS\1302-IR Blvd Resurfacing (SCOP) US1 to 17th St\Admim\bid <br />documents\Technical Specifications.doc <br />