U.S. Navy completes Dry Dock 4 seismic modernization at Puget Sound Naval Shipyard & Intermediate Maintenance Facility

The Navy on Aug. 26 marked the completion of the seismic retrofit of Dry Dock 4 at Puget Sound Naval Shipyard & Intermediate Maintenance Facility (PSNS & IMF). Naval Facilities Engineering Systems Command (NAVFAC) Northwest executed the $377.7 million modernization project contract, which reinforced the structural integrity of the historic dry dock against future seismic events as a part of the Navy’s Shipyard Infrastructure Optimization Program (SIOP).