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88 Page 59 General Comments HBC has selected Van Dyk I Bollegraaf as a manufacturer of their single stream sort system. HBC has a history operating Van Dyk I Bollegraaf sorting systems and has confidence in the manufacturer's ability to perform as specified. Bollegraaf is a Dutch company that builds processing systems and balers, screens, and optical sorting equipment. Van Dyk is the manufacturer's representative for Bollegraaf in the United States. Van Dyk I Bollegraaf are leaders in single stream technology and are largely responsible for bringing single stream sorting technology from Europe to the United States. HBC has recently completed several projects with Van Dyk I Bollegraaf. The Evaluation team visited two systems in Arizona that were installed in the last two years. The North Gateway facility in Phoenix Arizona was built by the City of Phoenix, who subsequently contracted with HBC for the operation of the facility. During the start-up of the system, HBC worked closely with Van Dyk I Bollegraaf. The second project installation was a at HBC's own single stream facility at River Recycling MRF which involved the installation of three TiTech optical sorting units into an existing Machinex sorting system. One optical unit separates PET and two units were installed on the paper lines to remove containers and other contaminants from the fiber stream. The installations were completed on schedule (less than one week) and have effectively and efficiently improved the quality of all fiber grades and raised the volume of mixed rigid container recovery . System Desian Van Dyk / Bollegraafs design incorporates extensive flexibility and redundancy to ensure continuous operations, as well as applying the current standards in high-tech optical sorting equipment throughout the system. The system, as originally proposed by HBC, included ten optical sorting units and was the highest cost system of all seven proposers. HBC asserted that the high container recovery specifications in the RFP required a high level of automation. In response to the SBWMATs concerns over system's costs, HBC has reduced the optical count from ten (10) to eight (8) units in their revised proposal. HBC proposes the installation of two (2) PaperSort CN 2000's, two (2) PaperSort CN 2800's, one (1) PolySort 2000 MD, one (1) PolySort 2000 DV, one (1) PolySort 2800 MD, and one (1) AutoSort MF 1400. Two of the units are applied to the recovery of containers from ONP, two are dedicated to the recovery of containers from OMP, and four units are applied to the recovery of all plastics from the container stream. They have also removed one drum-feeder (infeed for the commercial material) and added the required dust suppression and film plastic collection systems, and a scale equipped conveyor for the transfer of residue to the transfer station. HBC states that the revised system retains the ability to meet the SBWMA's production and product quality requirements. In their revised proposal1 Van Dyk I Bollegraaf have significantly increased the size of their fiber storage bunkers and container storage silos. As currently configured, the system affords ample capacity for continuous operation of the plant during short periods of maintenance or repair. For example, when the baler or baler wire tier fails, the large storage capacity will allow the plant to continue in operation for severa! hours while repairs are completed. SBWMA . EC Report Page 35 1/15/2009