Supply of Dissolved Air Flotation And UV Disinfection Systems - Contract C1416
Purchaser
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Country
New Zealand
Published
16 Apr 2026
Closing date
Not listed
Source ID
Docs found
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Tender summary
RFx ID: 33550448 Organisation: Central Hawkes Bay District Council Open date: Friday, 20 February 2026 5:30 PM +13:00 Close date: Friday, 17 April 2026 3:00 PM +12:00 Categories: 47101500 - Water treatment and supply equipment Region: Hawke's Bay Overview: Central Hawke’s Bay District Council (CHBDC) owns and operates several wastewater treatment plants across the District. At the Waipukurau WWTP, CHBDC plans to install a new Dissolved Air Flotation (DAF) plant and replace the existing UV disinfection system to improve treated wastewater quality. The current treatment process includes a 3.8 ha pond system, alum dosing, a lamella clarifier, sand filters, and UV disinfection. Effluent quality can vary due to changes in loads, flows, weather conditions, industrial discharges, wet weather inflow and infiltration, and summer algal blooms. The new DAF system will replace the lamella clarifier and sand filters, and a new UV system will replace the existing UV equipment.
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