118 STAT. 2945 PUBLIC LAW 108–447—DEC. 8, 2004 prevention and reduction, coastal erosion, and ice and glacial dam age in Alaska, including relocation of affected communities and construction of replacement facilities. SEC. 118. COOK INLET, ALASKA. (a) ANCHORAGE HARBOR.— (1) HARBOR DEPTH.—The project for navigation improve ments, Cook Inlet, Alaska (Anchorage Harbor, Alaska), author ized by section 101 of the River and Harbor Act of 1958 (72 Stat. 299) and modified by section 199 of the Water Resources Development Act of 1976 (90 Stat. 2944), is further modified to direct the Secretary of the Army to construct a harbor depth of minus 45 feet mean lower low water for a length of 10,860 feet at the modified Port of Anchorage intermodal marine facility at each phase of facility modification as such phases are completed and thereafter as the entire project is completed. (2) COST SHARING.—If the Secretary determines that the modified Port of Anchorage will be used by vessels operated by the Department of Defense that have a draft of greater than 35 feet, the modification referred to in paragraph (1) shall be at full Federal expense. (3) TRANSITIONAL DREDGING.—Before completion of the project modification described in paragraph (1), the Secretary may conduct dredging to a depth of at least minus 35 feet mean lower low water in such locations as will allow mainte nance of navigation and vessel access to the Port of Anchorage intermodal marine facility during modification of such facility. Such work shall be carried out by the Secretary in accordance with section 101 of the River and Harbor Act of 1958. (4) FACILITATING FACILITY MODIFICATION.—Before estab lishing the harbor depth of minus 45 feet mean lower low water, the Secretary may undertake dredging in accordance with section 101 of the River and Harbor Act of 1958 within the design footprint of the modified intermodal marine facility referred to in paragraph (1) to facilitate modification. The Sec retary may carry out such dredging as part of operation and maintenance of the project modified by paragraph (1). (5) MAINTENANCE.—Federal maintenance shall continue for the existing project until the modified intermodal marine facility is completed. Federal maintenance of the modified project shall be in accordance with section 101 of the River and Harbor Act of 1958; except that the project shall be main tained at a depth of minus 45 feet mean lower low water for 10,860 feet referred to in paragraph (1). (b) NAVIGATION CHANNEL.—The Secretary shall modify the channel in the exiting Cook Inlet Navigation Channel approach to Anchorage Harbor, Alaska, to run the entire length of Fire Island Range and Point Woronzof Range and shall modify the depth of that channel to minus 45 feet mean lower low water. The channel shall be maintained at a depth of minus 45 feet mean lower low water. (c) HYDRODYNAMIC MODELING.—The Secretary shall carry out hydrodynamic modeling of the Knik Arm to identify causes of, and measures to address, shoaling at the Port of Anchorage, at a total cost of $3,000,000. (d) ALTERNATIVES ANALYSIS.—No alternative other than the alternative authorized in this section shall be considered in any
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