; or (7) a combination of activities described above: Provided further , That the Federal share of the costs for which an amount is provided under this heading shall be up to 80 percent: Provided further , That section 50302(c)(6)(B)(i) of title 46, United States Code, shall not apply to amounts made available under this heading: Provided further , That for grants awarded under this heading, the minimum grant size shall be $1,000,000: Provided further , That for grant awards less than $10,000,000, the Secretary shall prioritize ports that handled less than 10,000,000 short tons in 2017, as identified by the Corps of Engineers: Provided further , That for grant awards less than $10,000,000, the Secretary may increase the Federal share of costs above 80 percent: Provided further , That the proceeds of Federal credit assistance under chapter 6 of title 23, United States Code, or sections 501 through 504 of the Railroad and Revitalization and Regulatory Reform Act of 1976 ( Public Law 94–210 ) shall be considered to be part of the non-Federal share of project costs if the loan is repayable from non-Federal funds, unless otherwise requested by the project sponsor: Provided further , That not to exceed 2 percent of the amounts made available under this heading shall be available for necessary costs of grant administration. Administrative provisions—maritime administration 170. Notwithstanding any other provision of this Act, in addition to any existing authority, the Maritime Administration is authorized to furnish utilities and services and make necessary repairs in connection with any lease, contract, or occupancy involving Government property under control of the Maritime Administration: Provided , That payments received therefor shall be credited to the appropriation charged with the cost thereof and shall remain available until expended: Provided further , That rental payments under any such lease, contract, or occupancy for items other than such utilities, services, or repairs shall be deposited into the Treasury