; and (B) constructing and operating water transmission and related facilities. (2) Excavation and disposal (A) In general The Authority may, without consideration, excavate and use or dispose of sand, gravel, minerals, or other materials necessary to fulfill the purpose of the rights-of-way granted under paragraph (1). (B) Memorandum of understanding Not later than 30 days after the date on which the rights-of-way are granted under paragraph (1), the Secretary and the Authority shall enter into a memorandum of understanding identifying Federal land on which the Authority may dispose of materials under subparagraph (A) to further the interests of the Bureau of Land Management. . (c) Preservation of Transportation, Utility Corridors, and Management of Conservation Area Nothing in this Act (including an amendment made by this Act)— (1) includes in the expanded boundary of the Conservation Area under the amendments made by subsection (a) land within a designated utility transmission corridor or a transmission line right-of-way grant approved by the Secretary in a record of decision issued before the date of enactment of this Act; (2) affects the existence, use, operation, maintenance, repair, construction, reconfiguration, expansion, inspection, renewal, reconstruction, alteration, addition, relocation improvement funding, removal, or replacement of any utility facility or appurtenant right-of-way within an existing designated transportation and utility corridor within the expanded boundary of the Conservation Area under the amendments made by subsection (a); (3) precludes the Secretary from authorizing the establishment of a new utility facility right-of-way within an existing designated transportation and utility corridor within the expanded boundary of the Conservation Area under the amendments made by subsection (a)— (A) in accordance with— (i) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ); and (ii) any other applicable law