Construction services and materials for Federal facilities shall be procured in accordance with the policies and procedures set forth in chapter
137 of title
10, section
2377 of title
10, title III of the Federal Property and Administrative Services Act of 1949 (
41 U.S.C.
251 et seq.), and section
205b
(2) of this title. Determination of a design method shall be based upon preliminary market research as required under section
2377
(c) of title
10 and section 314B(c) of the Federal Property and Administrative Services Act of 1949 (
41 U.S.C.
264b
(c)). If the requirements of this subchapter conflict with the provisions of section
2377 of title
10 or section 314B of the Federal Property and Administrative Services Act of 1949, then the provisions of 2377 or 314B shall take precedence.