ICNEA 4853—Underground integrated pipe corridor engineering building

Where 4853 sits

1. E Construction industry
2. 48 Civil engineering construction industry
3. 485 Wire and pipeline engineering construction
4. 4853 Underground integrated pipe corridor engineering building

What 4853 includes

• Refers to structures and ancillary facilities built underground in cities to accommodate two or more types of urban engineering pipelines, such as water pipe networks, gas networks, telecommunications networks, etc.
• Including the following underground integrated pipe corridor engineering construction activities：
• Trunk line integrated pipe corridor engineering construction activities;
• Construction activities of Branch line integrated pipe corridor project;
• Cable pipe corridor engineering construction activities.

4853 in other systems