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B. Turbidity Barriers: 1. General: Use turbidity barriers to control sediment contamination of rivers, lakes, ponds, canals, etc. 2. Installation: Install per the manufacturer's recommendations and per FDOT Index No. 103 unless directed otherwise by the ENGINEER. 3. Removal: Contractor is responsible for disposal of turbidity barriers. 4. Product: All material shall be new and unused. The turbidity barrier shall be a pervious barrier and the fabric color shall be yellow. a. Parker Systems, Inc. (1-866-472-7537), model Type I. b. Or equivalent. C. Sedimentation Control From Dewatering or Pumping Operations Using Filter Bags: 1. Remove silt, sediment, and other particles from dewatering or pumping applications using a filter bag. The bag shall be manufactured using a polypropylene non -woven geotextile and sewn by a double -needle machine, using a high strength nylon thread. The bag shall have a fill spout large.enough to accommodate a 4 -inch pump discharge hose. Straps shall be attached to the bag to secure the hose and prevent pumped water from escaping without being filtered. 2. Installation: Install in accordance with the manufacturer's specifications. Use as many filter bags as required, at no additional cost to the OWNER. Dispose of the bags offsite, at no cost to the OWNER. If the bags are placed on aggregate to facilitate filtration efficiency, do not use limerock aggregate. 3. Product: The filter bag shall be supplied with lifting straps. a. "DIRTBAG 53 or 55 as applicable," supplied by ACF Environmental, Inc. (1-800-448-3636). b. "DANDY DEWATERING BAG" supplied by Dandy Products, Inc. (1- 800-591-2284). c. Or equivalent. D. Catch Basin Protection: 1. Filter stormwater before it enters catch basins (drop inlets). The "sack" shall be manufactured from woven polypropylene geotextile and sewn by a double -needle machine, using a high strength nylon thread. The sack shall be manufactured to fit the opening of the catch basin or drop inlet and it shall have the following features: two dump straps attached at the bottom to facilitate emptying; lifting loops as an integral part of the system to be used to lift the sack from the basin; and a yellow restraint chord approximately halfway up the sack to keep the sides away from the catch basin walls. The yellow restraint chord shall also serve as a visual means of indicating when the sack should be emptied. 2. Installation: Install in each catch basin in 'accordance with the manufacturer's specifications. Use as many of the specified filtration devices as required, at no additional cost to the OWNER. 01025-9 Technical Specifications FAEngineering\Capital Projects\0206 5th ST SW & 43rd AVE Bridge Replacement & Roadway Improvements\CONTRACT BID\Technical Specifications.doc