Repair, Replacement, and installation of sidewalks, stairs, railing and roadways on MGN site. Additionally, involves stormwater/drainage improvemen…
Office of NEPA Policy and Compliance
May 28, 2026
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Repair, Replacement, and installation of sidewalks, stairs, railing and roadways on MGN site. Additionally, involves stormwater/drainage improvements. Replacement of five exterior access hatches to the underground utility tunnel system. Replacement of exterior insulation finishing system in select area, as well as sub-wall and roof component inspections to determine sources of water intrusion in Building 26.