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<br />88 <br />Page 58 <br /> <br />. BHS disc configuration is designed to reduce wrapping. The effectiveness of the anti- <br />wrapping design feature. has been confirmed by current operators (Mike Range at SP <br />Newsprint (Portland) and Jesse Weigel at Green Waste Recovery (San Jose), for <br />each BHS screen, but especially for the polishing screen. This is an advantage <br />because disc wrapping causes poor separation and excessive maintenance time to <br />clean discs. <br /> <br />. BHS has proposed NRT optics. NRT has over 150 units in operation; comparatively <br />few of them are applied in mixed-stream processes. (Please see Appendix F for a <br />listing of NRT applications in the U.S.) <br /> <br />o Only one NRT device was observed by the Evaluation team in a mixed-stream <br />application, at Green Waste Recovery, San Jose. The device is set to recover <br />PET. While the device did a good job of recognition and recovery, an excessive <br />amount of fiber was also ejected (recovered) along with the PET. Practically all of <br />the PET containers that made their way into the post-optical stream contained <br />liquid. The failure of optical sorting systems to capture liquid laden containers is <br />due to the fact that the air systems are tuned to eject the empty weight of the <br />object (e.g. PETE, HDPE, etc.). If the air system is tuned to blast the heavier <br />objects, the added volume and velocity of air will coincidentally eject non- <br />targeted materials such as fiber, aluminum, and residue. This is true of all optical <br />systems, as applied to single-stream recyclables processing, regardless of <br />manufacturer. <br /> <br />. Glass clean-up system gathers glass from OCC/DRS, pre-polisher, fiber screen. <br />Dust & "fines" are removed and sent to an enclosed bag house to ensure the <br />recovery of airborne particulates from the glass recovery and breaking process. <br />Baghouse residue falls directly onto residue conveyor. <br /> <br />Svstem Enhancements <br /> <br />. BHS offers dedicated LDPE film collection system and baler. <br /> <br />. Dust suppression system to be installed at screens and at glass processing system. <br />This is important enhancement in keeping the MRF clean because dust and paper <br />fiber are a common by-product of single stream MRF operations that require <br />constant cleaning with/a broom or compressed air. <br /> <br />. BHS bag breaker is proposed. This unit is designed to open bags and liberate <br />recyclables contained in bags. The benefits include increased recovery, decreased <br />residual and reduced labor cost. This is valuable element in processing commercial <br />materials that often contain bagged materials. Opening bags manually is labor <br />intensive and reduces the sort line efficiency. <br /> <br />Hudson Baylor Company, LLC. with Van Dyk Baler I Bollegraaf <br /> <br />Svstem Cost <br />The proposed cost of HBC's final, revised system, including all options requested by <br />SBWMA is $16,600.946. <br /> <br />Their proposed cost for installation and electrical controls is $2,117,523. <br /> <br />SBWMA - EC Report <br /> <br />Page <br />34 <br /> <br />1/15/2009 <br />