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Cromwell Geobag Removal and Pond Desludging

Awarded · New Zealand

Source: New Zealand Government Electronic Tenders Service (GETS)

Tender
Awarded

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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The tender “Cromwell Geobag Removal and Pond Desludging” is a tender record in Taiyo, linked to the Water Supply and Storage sector. It is issued for works, goods, or services related to New Zealand.

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

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Record type

Tender

Sector

Water Supply and Storage, Government

Article published date

2026-10-30

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