MODIFICATIONS TO LAND CONVEYANCE AUTHORITY, ENGINEERING PROVING GROUND, FORT BELVOIR, VIRGINIA.

SEC. 2849. MODIFICATIONS TO LAND CONVEYANCE AUTHORITY, ENGINEERING PROVING GROUND, FORT BELVOIR, VIRGINIA.(a) Construction of Security Barrier.—Section 2836 of the Military Construction Authorization Act for Fiscal Year 2002 (division B of Public Law 107–107; 115 Stat. 1314), as amended by section 2846 of the Military Construction Authorization Act for Fiscal Year 2006 (division B of Public Law 109–163; 119 Stat. 3527), is further amended—(1) in subsection (b)(4), by striking “$3,880,000” and inserting “$4,880,000”; and(2) in subsection (d)—(A) in paragraph (1), by inserting after “Virginia,” the following: “and the construction of a security barrier, as applicable,”; and(B) in paragraph (2), by inserting after “Building 191” the following: “and the construction of a security barrier, as applicable”.(b) Authority to Enter Into Alternative Agreement for Design and Construction of Fairfax County Parkway Portion.—Such section 2836 is further amended—(1) in subsection (b)—(A) by amending paragraph (1) to read as follows:120 STAT. 2487 “(1) except as provided in subsection (f), design and construct, at its expense and for public benefit, the portion of the Fairfax County Parkway through the Engineer Proving Ground (in this section referred to as the ‘Parkway portion’);”; and(B) in paragraph (2), by inserting after “C514” the following: “, RW–214 (in this section referred to as ‘Parkway project’)”;(2) by redesignating subsection (f) as subsection (g);(3) by inserting after subsection (e) the following new subsection:“(f) Alternate Agreement for Construction of Road.—(1) The Secretary of the Army may, in connection with the conveyance authorized under subsection (a), enter into an agreement with the Commonwealth providing for the design and construction by the Department of the Army or the United States Department of Transportation of the Parkway portion and other portions of the Fairfax County Parkway off the Engineer Proving Ground that are necessary to complete the Parkway project (in this subsection referred to as the ‘alternate agreement’) if the Secretary determines that the alternate agreement is in the best interests of the United States to support the permanent relocation of additional military and civilian personnel at Fort Belvoir pursuant to decisions made as part of the 2005 round of defense base closure and realignment under the Defense Base Closure and Realignment Act of 1990 (part A of title XXIX of Public Law 101–510; 10 U.S.C. 2687 note).“(2) If the Secretary of Defense certifies that the Parkway portion is important to the national defense pursuant to section 210 of title 23, United States Code, the Secretary of the Army may enter into an agreement with the Secretary of Transportation to carry out the alternate agreement under the Defense Access Road Program.“(3) The Commonwealth shall pay to the Secretary of the Army the costs of the design and construction of the Parkway portion and any other portions of the Fairfax County Parkway off the Engineer Proving Ground designed and constructed under the alternate agreement. The Secretary shall apply such payment to the design and construction provided for in the alternate agreement.“(4) Using the authorities available to the Secretary under chapter 160 of title 10, United States Code, and funds deposited in the Environmental Restoration Account, Army, established by section 2703(a) of such title and appropriated for this purpose, the Secretary may carry out environmental restoration activities on real property under the jurisdiction of the Secretary in support of the construction of the Parkway portion.“(5) The alternate agreement shall be subject to the following conditions:“(A) The Commonwealth shall acquire and retain all necessary right, title, and interest in any real property not under the jurisdiction of the Secretary that is necessary for construction of the Parkway portion or for construction of any other portions of the Fairfax County Parkway off the Engineer Proving Ground that will be constructed under the alternate agreement, and shall grant to the United States all necessary access to and use of such property for such construction.“(B) The Secretary shall receive consideration from the Commonwealth as required in subsections (b)(2), (b)(3), and 120 STAT. 2488 (b)(4) and shall carry out the acceptance and disposition of funds in accordance with subsection (d).“(6) The design of the Parkway portion under the alternate agreement shall be subject to the approval of the Secretary and the Commonwealth in accordance with the Virginia Department of Transportation Approved Plan, dated June 15, 2004, Project #R000–029–249, PE–108, C–514, RW–214. For each phase of the design and construction of the Parkway portion under the alternate agreement, the Secretary may—“(A) accept funds from the Commonwealth; or“(B) transfer funds received from the Commonwealth to the United States Department of Transportation.“(7) Upon completion of the construction of the Parkway portion and any other portions of the Fairfax County Parkway off the Engineer Proving Ground required under the alternate agreement, the Secretary shall carry out the conveyance under subsection (a). As a condition of such conveyance carried out under the alternate agreement, the Secretary shall receive a written commitment, in a form satisfactory to the Secretary, that the Commonwealth agrees to accept all responsibility for the costs of operation and maintenance of the Parkway portion upon conveyance to the Commonwealth of such real property.”; and(4) in subsection (g), as redesignated by paragraph (2), by inserting “or the alternate agreement authorized under subsection (f)” after “conveyance under subsection (a)”.