Colonna’s Shipyard, doing business as Steel America,* Norfolk, Virginia, is awarded a $27,484,402 firm-fixed price contract for replacement of Dry Dock #1 caisson at Portsmouth Naval Shipyard, Virginia. The work to be performed provides for caisson construction to include steel fabrication, installation of mechanical and electrical systems, and a full testing program of the caisson and its interface with the existing/repaired dry dock seat. Work will be performed in Kittery, Maine, and is expected to be completed by October 2023. Fiscal 2022 operation and maintenance (Navy) funds in the amount of $27,484,402 will be obligated at the time of award, and will expire at the end of the current fiscal year.  This contract was competitively procured via the beta.sam.gov website with one proposal received. The Naval Facilities Engineering Systems Command Mid-Atlantic, Norfolk, Virginia, is the contracting activity (N40085-22-C-0015).