; (2) the construction, installation, or maintenance of infrastructure in an eligible harbor, including bulkheads, aprons, and piles; (3) the construction or maintenance dredging of a berth in an eligible harbor; or (4) the construction or maintenance dredging providing access from an eligible harbor to the nearest navigation channel or deep water. (d) Local cooperation agreement (1) In general Before providing assistance under this section, the Administrator shall enter into a local cooperation agreement (referred to in this subsection as an agreement ) with a non-Federal interest to provide for design or construction of the project to be carried out with the assistance. (2) Requirements An agreement entered into under this subsection shall provide for the following: (A) Plan Development by the Administrator, in consultation with appropriate Federal and State officials, of a facilities or resource protection and development plan, including appropriate engineering plans and specifications. (B) Legal and institutional structures Establishment of such legal and institutional structures as are necessary to ensure the effective long-term operation of the project by the non-Federal interest. (3) Cost sharing (A) In general Except as otherwise provided in this paragraph, the Federal share of project costs for a project under this section— (i) shall not exceed 65 percent