| Office of the Official Secretary to the Governor-General | Rectification of existing Kirribilli House irrigation system including additional infrastr | A$62.6K | 2025-01-03 |
| Office of the Official Secretary to the Governor-General | Irrigation works | A$39.0K | 2022-06-17 |
| Office of the Official Secretary to the Governor-General | Irrigation Reinstatement | A$22.8K | 2022-06-17 |
| Office of the Official Secretary to the Governor-General | Irrigation Maintenance | A$15.0K | 2020-10-01 |
| Office of the Official Secretary to the Governor-General | Ground maintenace | A$15.0K | 2022-12-20 |