Contract notice CN4207988 · Department of Defence
Engineering Services
$3.9m
whole-of-life value, after 1 amendment
+$2.8m (+272.4%) since first published at $1.0m
- Supplier
- Wirrigan Group Pty Ltd ABN 72620017370
- Agency
- Department of Defence
- Procurement method
- open tender
- Term
- 2025-12-01 to 2027-06-30
- Published
- 2025-12-12
- Category (UNSPSC)
- 80161500
- Kind of work
- Labour hire / contractor (medium confidence) AI-classified
- Agency reference
- 4610002969
Worth a closer look
Value increased after award: +272% on first published value. Agencies must publish amendments that change a contract’s value. Large increases can mean the original scope or price was understated.
Common explanations: Additional work or an extended term agreed after award. Options in the original contract that were later taken up. A correction to a value entered wrongly.
Value by financial year
The total value spread evenly from start to end date. estimate: annualised
| Financial year | Estimated amount |
|---|---|
| 2025-26 | $1.4m |
| 2026-27 | $2.5m |
Published versions
Every version of this notice we have loaded. Source: AusTender OCDS API.
| Date | Version | Value |
|---|---|---|
| 2025-12-12 | original notice | $1.0m |
| 2026-06-17 | amendment | $1.2m |
| 2026-06-17 | amendment | $2.2m |
| 2026-06-17 | amendment | $2.6m |
| 2026-06-17 | amendment | $3.9m |