Meaning and Usage
"着工" (ちゃっこう) specifically refers to the start of construction work or building projects. It is a formal term often used in business, engineering, and official announcements related to construction.
Common Contexts
You will frequently see "着工" in news reports about new buildings, infrastructure projects, or public works. It marks the official beginning of physical work on a site after planning and permits are completed.
Collocations and Patterns
- 着工する: to start construction
- 着工前: before starting construction
- 着工が遅れる: construction start is delayed
These phrases are common in project management and construction discussions.
Register and Nuance
"着工" is a formal noun and is rarely used in casual conversation. It is appropriate in written reports, formal speeches, and professional settings.
Learner Tips
Do not confuse "着工" with "開始" (start) which is more general. "着工" is specific to construction or building work. When using it, ensure the context clearly involves construction or engineering projects.