That the following sums are appropriated, out of any money in the Treasury not otherwise appropriated, for energy and water development and related agencies for the fiscal year ending September 30, 2019, and for other purposes, namely: I Corps of engineers—civil Department of the army Corps of engineers—civil The following appropriations shall be expended under the direction of the Secretary of the Army and the supervision of the Chief of Engineers for authorized civil functions of the Department of the Army pertaining to river and harbor, flood and storm damage reduction, shore protection, aquatic ecosystem restoration, and related efforts. Investigations For expenses necessary where authorized by law for the collection and study of basic information pertaining to river and harbor, flood and storm damage reduction, shore protection, aquatic ecosystem restoration, and related needs; for surveys and detailed studies, and plans and specifications of proposed river and harbor, flood and storm damage reduction, shore protection, and aquatic ecosystem restoration projects, and related efforts prior to construction; for restudy of authorized projects; and for miscellaneous investigations, and, when authorized by law, surveys and detailed studies, and plans and specifications of projects prior to construction, $123,000,000, to remain available until expended. Construction For expenses necessary for the construction of river and harbor, flood and storm damage reduction, shore protection, aquatic ecosystem restoration, and related projects authorized by law; for conducting detailed studies, and plans and specifications, of such projects (including those involving participation by States, local governments, or private groups) authorized or made eligible for selection by law (but such detailed studies, and plans and specifications, shall not constitute a commitment of the Government to construction); $2,161,000,000, to remain available until expended