31099 Other Heavy and Civil Engineering Construction
This BIC code maps back to ANZSIC class 3109 and should generally reflect the business activity producing the largest share of income on the relevant tax return.
Code facts
- Parent ANZSIC class
- 3109 Other Heavy and Civil Engineering Construction
- ANZSIC group
- 310 Heavy and civil engineering construction
- ANZSIC subdivision
- 31 Heavy and civil engineering construction
- Division
- E Construction
Industries covered
- Bowling green construction
- Cable laying
- Canal construction
- Civil engineering - non-building construction nec
- Dams construction
- Dredging - harbours or rivers
- Electrical machinery, heavy, installation - on-site assembly
- Furnaces construction - for industrial plants from prefabricated components
- Golf course construction
- Harbour works construction - except buildings
- Irrigation systems construction
- Jetties construction
- Lake construction
- Mine site construction nec
- Pipelines construction
- River works construction
- Sewerage or stormwater drainage systems construction
- Sports fields construction
- Television or radio transmitting towers construction
- Tunnels construction
- Water filtration plant construction
- Water tank construction - except of structural steel
Practical guidance
For tax work, the relevant question is usually which activity produces the largest share of income. That is the label the BIC is trying to capture.
If the activity is mixed, use the parent ANZSIC class first and then compare the nearby BIC codes rather than guessing from the title alone.
Related BIC codes
Compliance risk score
2 of 2 factors passing
Who is this code for
This code typically applies to:
Also relevant for
Source: ATO_INDUSTRY_TEXT + AU_CODEX_SEMANTIC_MATCH_V1, 2026-05-07
Nearby BIC codes to compare
In this section
Frequently asked questions
What does BIC 31099 cover?
The code groups business activities under the ATO wording used for tax return workflows. It is the code to use when the business needs a practical industry label, not a broad industry explanation.
How do I know whether this is the right BIC?
Check the parent ANZSIC class, then compare the industry descriptions listed on the page. If the business activity sits elsewhere, the parent ANZSIC class will usually point you to the better match.
Why does the page show nearby BIC codes?
Nearby codes help you compare similar labels and avoid choosing a code that is too broad or too narrow for the underlying activity.
Source and trust
- Official source
- ATO BIC workbook
- Last reviewed
- 2026-04-17
This site is an independent reference resource. It is not affiliated with, endorsed by, or connected to the ABS, ATO or any Australian Government agency.
Please verify critical classification decisions with the official authority before using them for tax, payroll, licensing, immigration or compliance work.