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travel time for traveling ai7 additioi7al .7 - 12 miles at reduced speeds through the <br /> Redwood Creek cha�inel. <br /> The study states that a slow-travel zone would be required specifically to <br /> minimize poteiitial erosion impacts on Greco Island because of the presence of fine- <br /> grained material and erosive scarps at the shoreline. According to this assessmeiit, the <br /> slow-travel zone should start at a point 1.3 nautical miles from the confluence of <br /> Redwood Creek and Westpoint Slough. Operating at 8-10 lalots for 1.3 nautical miles <br /> would add about five to six miiiutes to vessel travel time compared to operatii7g at 35 <br /> l�lots over this route se�ment. Operatin� at this speed for an additioi7al 1 — 1.5 miles to <br /> the alternative sites would thus add six to nine minutes to the travel time in each <br /> direction. <br /> The study also conducted other preliininaiy environmental reviews, and <br /> concluded: "Based on the Biological Assessment, it appears that there are no `show <br /> stopper' environmental conditions, and that following Best Management Practices would <br /> allow for the constn�ction of the Redwood City Ferry Termiiial at the recommended <br /> Westpoii7t Slough site." <br /> Other lcey fii7dii7gs ii7 the study: <br /> � The ainount of dredging required for sufficient rooin for a vessel to docic, bacic <br /> and turn at all tidal conditions is estimated at 13,000 cubic yards. An additional <br /> 4,000 cubic yards need to be dredged to deepen the shallow area at the confluence <br /> of Redwood Creek and Westpoint Slough to permit ferries and boats from the <br /> Westpoint Marina to operate at all tidal conditions. <br /> -, <br /> � <br />