Cromwell Geobag Removal and Pond Desludging
Awarded · New Zealand
Source: New Zealand Government Electronic Tenders Service (GETS)
The Central Otago District Council is inviting proposals from experienced and qualified contractors fordesludging two oxidation ponds at the Cromwell Wastewater Treatment Plant (WWTP).The scope of work covers:• Removal of the existing sludge stored in Geotextile bags (Optional Separable Portion)• Design of a sludge removal methodology, dewatering basin and monitoring programme• Desludging of the t
- Status
- Closed
- Sector
- Water Supply and Storage, Government
- Location
- New Zealand
- Updated
- 3 Nov 2026
- Source
- New Zealand Government Electronic Tenders Service (GETS)
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Tender Information
Participants
| Not available for this record. |
Status
Original status | awarded |
Taiyo status | Closed |
Taiyo last update | 2026-11-03 |
Contact
| Not available for this record. |
Description
Description | The Central Otago District Council is inviting proposals from experienced and qualified contractors fordesludging two oxidation ponds at the Cromwell Wastewater Treatment Plant (WWTP).The scope of work covers:• Removal of the existing sludge stored in Geotextile bags (Optional Separable Portion)• Design of a sludge removal methodology, dewatering basin and monitoring programme• Desludging of the two oxidation ponds• Dewatering of the dredged sludge using suitable technologyThis procurement specifically covers the desludging and dewatering components. Disposal of thedewatered sludge and the new geotextile bag are excluded from the contract works.Desludging is a routine but infrequent maintenance activity essential for maintaining the treatment. TheCromwell ponds have been desludged previously in 2017. Further sludge surveys were conducted in2026 and confirmed the need for intervention.For more info, see RFP document |
Location
Country | New Zealand |
Source
Source | New Zealand Government Electronic Tenders Service (GETS) |
URL |
More Details
Record type | Tender |
Sector | Water Supply and Storage, Government |
Article published date | 2026-10-30 |
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