For an additional amount for Salaries and Expenses for necessary expenses related to the consequences of Hurricanes Harvey, Irma, and Maria, $16,000,000: Provided , That the amount provided under this heading is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. buildings and facilities For an additional amount for Buildings and Facilities for necessary expenses related to the consequences of Hurricanes Harvey, Irma, and Maria, $34,000,000, to remain available until expended: Provided , That the amount provided under this heading is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. Science National aeronautics and space administration construction and environmental compliance and restoration For an additional amount for Construction and Environmental Compliance and Restoration for repairs at National Aeronautics and Space Administration facilities damaged by hurricanes during 2017, $81,300,000, to remain available until expended: Provided , That the amount provided under this heading is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. National science foundation research and related activities For an additional amount for Research and Related Activities for necessary expenses to repair National Science Foundation radio observatory facilities damaged by hurricanes that occurred during 2017, $16,300,000, to remain available until expended: Provided , That the amount provided under this heading is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985: Provided further , That the National Science Foundation shall submit a spending plan to the Committees on