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Index No . 103 unless directed otherwise by the ENGINEER . <br /> 3 . Product : All material shall be new and unused . The turbidity barrier shall he <br /> a pervious barrier and the fabric color shall be yellow. <br /> a . Parker Systems , Inc . ( 1 =866472 -7537) , model Type II or Type I <br /> b . Or equivalent. <br /> D . Sedimentation Control From Dewatering or Pumpinq Operations Using Filter Bans : <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 <br /> enough to accommodate a 4- inch pump discharge hose . Straps shall be <br /> attached to the bag to secure the hose and prevent pumped water from <br /> escaping without being filtered . <br /> 2 . Installation : Install in accordance with the manufacturer's specifications . Use <br /> as 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 <br /> on 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 -800448-3636) . <br /> b . " DANDY DEWATERING BAG" supplied by Dandy Products , <br /> Inc. ( 1 -800-5g1 -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 <br /> as many of the specified filtration devices as required , at no additional cost to <br /> the OWNER . <br /> 3 . Product: All materials shall be new and unused . The length of the curb inlet <br /> filtration device shall be at least 2-feet longer than the curb inlet opening . <br /> a . "GUTTERBUDDY , " supplied by ACF Environmental , Inc. ( 1 -800-448- <br /> 3636) . <br /> b . Or equivalent . <br /> F . Catch Basin Protection : <br /> 1 . Filter stormwater before it enters catch basins (drop inlets) . The filter "sack" <br /> shall be manufactured from woven polypropylene geotextile and sewn by a <br /> double- needle machine , using a high strength nylon thread . The sack shall <br /> be manufactured to fit the opening of the catch basin or drop inlet and it shall <br /> have the following features : two dump straps attached at the bottom to <br /> facilitate emptying ; lifting loops as an integral part of the system to be used to <br /> lift the sack from the basin ; and a colored restraint chord approximately <br /> halfway up the sack to keep the sides away from the catch basin walls . The <br /> colored restraint chord shall also serve as a visual means of indicating when <br /> the sack should be emptied . <br /> 2 . Installation : Install in each catch basin in accordance with the manufacturer's <br /> specifications . Use as many of the specified filtration devices as required , at <br /> no additional cost to the OWNER . <br /> 01025-7 Technical Specifications <br /> FAPublic Works\ENGINEERING DIVISION PROJECTS\0545-66Th Ave SR60 to 57th St (Arcadis)Wdmim\Bid DocumentslTechnical <br /> l <br />