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• <br />o For example, the source sound level used for operations at the container terminal was <br />the worst case hourly level among all measurements taken by the USACE at the <br />existing Bazbours Cut Terminal. <br />o Additionally, the model assumes full build-out with all seven berths operating during <br />a 24-hour period. This scenario, which cannot possibly occur for many yeazs, will <br />never occur for more than a small fraction of the time the terminal operates. <br />o Consistent with its policy to be a good neighbor, the PHA will continue to work with <br />surrounding areas to ensure compatibility with surrounding land uses. <br />• The FEIS concludes that only short-term, less than significant noise impacts would <br />occur as a result of construction activities at Bayport. <br />• The FEIS demonstrates that no significant noise impacts would occur from vehicular <br />traffic at Bayport or from traffic coming to or from the proposed location. <br />• Bayport will not violate any noise regulations. <br />• If the Bayport Terminal was not built, similar noise levels would likely occur at the site <br />anyway due to future industrial growth. According to the FEIS, "Under the No Action <br />Alternative, increases in industrial development aze projected at several of the terminal <br />location alternatives, including the Bayport azea. It is expected that ambient noise levels in <br />the Bayport area and at the Cedar Point and Pelican Island locations would increase <br />commensurate with this prof ected industrial growth." <br />• The P13A is committed to building a 20-foot-high barrier to reduce noise from both <br />construction and operation of the Bayport Terminal. <br />• According to the FEIS, "[t]here are no ground-borne vibration impacts as a result of <br />construction, vehiculaz traffic, rail, or terminal operations under the Bayport terminal <br />location ..." <br />• Despite the fact that the modeling over-predicted noise impacts, the PHA has committed <br />to the following mitigation measures to further protect the azea: <br />- Construction <br />o Construction equipment that has the lowest possible noise emissions and acoustic <br />height necessary to perform the job will be selected if feasible. <br />o All equipment will be in good repair and fitted with "manufacturer recommended" <br />mufflers. <br />o All equipment maintenance and lay-down areas will be located as far from the <br />development azea as possible. <br />o The PHA will use tangent pier construction techniques for the container wharf instead <br />of sheet pile whazf construction to eliminate noise associated with pile drive <br />equipment. <br />o The Port will use drilled shafts instead of pile driven supports to reduce noise. <br />BAYPORT POSi170N PAPER <br />page 5 of 7 <br />May 2003 <br />