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Dredging Alternatives <br />No Dredging <br />^ Closure of the Marina <br />^ Closure of the boat launch ramp <br />^ COE dredge project abandoned <br />^ Harbor and channel will continue to silt <br />^ No future cost to remove dredge material <br />from DMMS <br />^ Future cost to remove improvements from <br />harbor <br />^ Future costs to return DMMS to wetlands <br />Dredging Alternatives <br />Full Dredging <br />^ Federal Channel dredged to past depths <br />^ All facilities capable of remaining open <br />^ COE does not have sufficient funds for full <br />dredge and does not permit supplemental <br />funding by City <br />^ City cost for full dredge including berthing <br />area 310K CY $ 3.5M <br />^ Material removal to Oyster Bay Park $7M <br />^ Next dredge cycle costs range from $4.9M to <br />$7.3M depending on disposal location <br />Dredging Alternative <br />Modified Dredging <br />^ Boat launch ramp to remain open <br />^ Harbor converted to small boat marina <br />^ 2009 dredging funded by COE <br />^ Future material removal (85K CY) by City <br />$2M disposed at Oyster Bay Park <br />^ Future maintenance dredging on a 4 year <br />cycle to maintain approximately 69% yearly <br />access to launch ramp by trailerable boats <br />(50,000 CY) <br />^ Future year maintenance dredging costs <br />including removal $2.2M - $3.7M <br />3 <br />