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on aggregate to facilitate filtration efficiency, do not use limerock aggregate — use non -calcareous rock. 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. E. Curb Inlet Protection: 1. Filter stormwater before it enters curb inlets. 2. Installation: Install in accordance with the manufacturer's specifications. Use as many of the specified filtration devices as required, at no additional cost to the OWNER. 3. Product: All materials shall be new and unused. The length of the curb inlet filtration device shall be at least 2 -feet longer than the curb inlet opening. a. "GUTTERBUDDY," supplied by ACF Environmental, Inc. (1-800-448- 3636). b. Or equivalent. F Catch Basin Protection: 1. Filter stormwater before it enters catch basins (drop inlets). The filter "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 colored restraint chord approximately halfway up the sack to keep the sides away from the catch basin walls. The colored 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. 3. Product: All materials shall be new and unused. a. "SILTSACK" (regular flow), supplied by ACF Environmental, Inc. (1- 800-448-3636). b. "FloGuard+PLUS," supplied by Kristar Enterprises, Inc. (1-800-579- 8819). c. Or equivalent. G. Construction Site Egress Driveways: Minimize the transport of sediment and soil from the construction site or work area by vehicle wheels. Construct a crushed rock driving surface at the vehicle exit point(s). Locate the site egress driveways a minimum of 25 feet from all drainage inlets or pipes. Provide an area large enough to remove the sediment and soil from vehicle wheels before the vehicle leaves the construction site or work area. Provide wash -down stations as required to wash vehicle tires and retain all washwater on-site. Do not use limerock. 01025-9 Technical Specifications F:\Public Works\ENGINEERING DIVISION PROJECTS\1621 IRC Courthouse Judges Security Upgrades\1-Admin\Bid Documents\Master Contract Documents\Technical Specifications.doc