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strength = 120 pounds. The heavy-duty filter fabric shall be pre - <br />attached to 48 -inch long stakes on 6 -foot centers. (1-800-448- <br />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 per <br />FDOT Index No. 103 unless directed otherwise by the ENGINEER. <br />3, Removal: Contractor is responsible for disposal of turbidity barriers. <br />4. Product: All material shall be new and unused. The turbidity barrier shall <br />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 Filter <br />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 <br />machine, using a high strength nylon thread. The bag shall have a fill <br />spout large enough to accommodate a 4 -inch pump discharge hose. <br />Straps shall be attached to the bag to secure the hose and prevent <br />pumped water from escaping without being filtered. <br />2. Installation: Install in accordance with the manufacturer's specifications. <br />Use as many filter bags as required, at no additional cost to the <br />OWNER. Dispose of the bags offsite, at no cost to the OWNER. If the <br />bags are placed on aggregate to facilitate filtration efficiency, do not use <br />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- <br />800-591-2284). <br />c. Or equivalent. <br />D. Curb Inlet Protection: <br />1. Filter stormwater before it enters curb inlets. <br />2. Installation: Install in accordance with the manufacturer's specifications. <br />Use as many of the specified filtration devices as required, at no <br />additional cost to the OWNER. <br />3. Removal: The filtration devices 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 filtration devices and contact <br />Indian River County Road and Bridge Division (772-5085), which will <br />01025-8 <br />Technical Specifications <br />F:\Engineering\Capital Projects\0803 17th Lane SW Roadway Improvements from 27th Ave to approx. 900 LF east of 27th Ave\0803 <br />Contract Documents\Technical Specification s.doc <br />