Hokkaido Government Office Main Building Seismic Retrofitting represents a significant conservation project completed in 2016. Located in Sapporo's Chuo Ward, this government building underwent comprehensive seismic reinforcement by renowned firms Dorcon and Takenaka Corporation. The retrofitting project demonstrates modern structural engineering applied to historic architecture, balancing contemporary safety standards with preservation of the original design. This adaptive renovation showcases Japanese commitment to earthquake resilience while maintaining the building's administrative function and architectural integrity for future generations.