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<br /> Comprehensive Review of <br /> S olid W aste Collection and Disposal Options <br /> <br /> <br />v2.1 55 10/22/12 <br />Exhibit 4 -2. Advantages and Disadvantages Associated With <br />Semi -Automated and Fully -Automated Collection <br />Collection <br />Method Advantages Disadvantages <br />Fully-Automated  Maximize productivity <br /> Significantly reduce worker injuries <br /> Municipality can match the productivity <br />of the private sector <br /> Problems with on-street parking <br /> Problems with one-way streets <br /> Problems with low wires <br /> Set out must be limited <br /> New rules and requirements for <br />customers <br /> Specialized driver training to adjust to <br />larger collection vehicles and right-hand <br />driving. <br /> Cost of replacement trucks is higher <br /> More costly and challenging vehicle <br />maintenance <br /> Semi-Automated  On-street parking and low wires are not <br />a problem <br /> Allows for flexibility and allows collection <br />personnel to still manually load <br /> Existing fleet can be retrofitted <br /> Cost of trucks and maintenance lower <br /> <br /> Workers exposure to injuries still exist <br /> Not a large productivity gain <br /> <br />Observations of the Towns waste collection observations indicate that fully-automated waste <br />collection could be implemented in many of the currently established routes. Exhibit 4-3 <br />presents an assessment of each collection route’s potential for utilizing fully-automated waste <br />collection vehicles. This assessment is based jointly on SCS’s observations and the Town’s <br />judgment through interviews with a route supervisor. The Town should conduct a routing study <br />that incorporates the ability to collect using full automation. Routes that do not support <br />automation 100% can be split so that the portion that can be automated is combined into another <br />route. Households that do not support automation can be aggregated into separate routes. <br />For applicable solid waste collection and disposal option scenarios, SCS’s pro forma modeling <br />tool includes life-cycle cost analysis of implementing a phased transition to automated <br />collections along select residential collection routes, beginning with a pilot-phase study of a few <br />routes in FY 2014-15. These analyses depict the fiscal impacts over a 30-year period of both a <br />partial transition and full transition to automated collection. These analyses are specifically <br />discussed in Sections 6 and 10, direct hauling of Town solid waste to a transfer station and a <br />landfill respectively. For each of the other scenarios, the pro forma modeling tool allows the <br />capability to quickly forecast the financial impacts of implementing automated collection along <br />with the programmatic changes relevant to the specific waste management scenario being <br />considered.