421300 Construction of bridges and tunnels
Information: This code has a codification rule
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421300 Construction of bridges and tunnels
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This type includes:
- construction of bridges (e.g. for elevated motorways and railways)
- construction of tunnels, including those for motorways and railways
This type excludes:
Specialized construction works carried out by subcontractors for contractors whose activities fall under Divisions 41 or 42 should be classified under Division 43.