amount shall be subject to the provisions under this heading in title III of this Act, except as modified by this heading in this title: Provided further, That of the total amount made available under this heading in this title, up to $1,500,000 may be used for associated administrative expenses for the Neighborhood Reinvestment Corporation to carry out activities provided under this heading in this title: Provided further, That not less than 10 percent of the amounts made available under this heading in this title shall be used for activities that improve water and energy efficiency, or reduce the risk of harm to occupants or property from natural hazards: Provided further, That such amount 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. General provisions—additional infrastructure investments 501. (a) Notwithstanding any other provision of law and in a manner consistent with other provisions in this title, all laborers and mechanics employed by contractors and subcontractors on projects funded directly by or assisted in whole or in part by and through the Federal Government pursuant to this title shall be paid wages at rates not less than those prevailing on projects of a character similar in the locality as determined by the Secretary of Labor in accordance with subchapter IV of chapter 31 of title 40, United States Code. With respect to the labor standards specified in this section, the Secretary of Labor shall have the authority and functions set forth in Reorganization Plan Numbered 14 of 1950 (64 Stat. 1267