This is a pre-solicitation for a concrete sidewalk and vault structure repair project at the GPO G Street location. The contractor will provide labor, materials, and supervision to demolish and install a new sidewalk slab, repair vault beams, concrete slab, waterproofing membrane, and columns to stop water migration. The period of performance is eighteen (18) months from the Notice to Proceed. The solicitation is expected to be posted on SAM.gov on or about May 11, 2026. No budget amount is specified.