竣工
jùn gōng · HSK 7
to complete a project
🏗️ 竣工 = 竣 finish + 工 work/construction = a build is signed off, done
工 is the work/construction component you also see in 工作 (work) and 工人 (worker). 竣 carries the sense of finishing, so 竣工 marks the formal completion of a construction job or project.