noun, noun or participle which takes 'suru', intransitive verb
entering a facility; entering a campus; entry onto premises
Used for entering a defined facility, campus, factory, or similar grounds, often with an implication of permission or controlled access.
学生証がないと入構できません。
You cannot enter the campus without a student ID.
工場内への入構は許可
Permission is required to enter the factory premises.