; 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 from the tunneling of the water pipeline 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. (3) Requirements A right-of-way issued under this subsection shall be subject to the following requirements: (A) The Secretary may include reasonable terms and conditions, consistent with section 505 of the Federal Land Policy and Management Act of 1976 ( 43 U.S.C. 1765 ), as are necessary to protect Conservation Area resources. (B) Construction of the water pipeline shall not permanently adversely affect conservation area surface resources. (C) The right-of-way shall not be located through or under any area designated as wilderness. . (d) Preservation of transmission and utility corridors and rights-of-Way The expansion of the Conservation Area boundary under the amendment made by subsection (b)— (1) shall be subject to valid existing rights, including 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) shall not preclude— (A) any activity authorized in accordance with a designated corridor or right-of-way referred to in paragraph (1), including the operation, maintenance, repair, or replacement of any authorized utility facility within the corridor or right-of-way