report directly to the Committees on Appropriations of the House and the Senate detailing the allocation and obligation of these funds, including new studies selected to be initiated using funds provided under this heading, beginning not later than 60 days after the enactment of this Act. CONSTRUCTION For an additional amount for Construction for necessary expenses, $715,000,000 (increased by $25,000,000), to remain available until expended, to construct flood and storm damage reduction, including shore protection, projects which are currently authorized or which are authorized after the date of enactment of this Act, and flood and storm damage reduction, including shore protection, projects which have signed Chief’s Reports as of the date of enactment of this Act or which are studied using funds provided under the heading Investigations if the Secretary determines such projects to be technically feasible, economically justified, and environmentally acceptable, in States and insular areas that were impacted by Hurricanes Florence and Michael, Typhoon Mangkhut, Super Typhoon Yutu, and Tropical Storm Gita: Provided , That projects receiving funds provided in Public Law 115–123 shall not be eligible for funding provided under this heading: Provided further , That for projects receiving funding under this heading, the provisions of Section 902 of the Water Resources Act of 1986 shall not apply to these funds: Provided further , That the completion of ongoing construction projects receiving funds provided under this heading shall be at full Federal expense with respect to such funds: Provided further , That using funds provided under this heading, the non-Federal cash contribution for projects not eligible as ongoing construction projects shall be financed in accordance with the provisions of section 103(k) of Public Law 99–662 over a period of 30 years from the date of completion of the project or separable element: Provided further , That of this amount $25,000,000 shall be used for Corps of Engineers ecosystem