Wastewater Treatment Plant Capacity Expansion

Rottnest Island Authority · Western Australia

Engineering & Research & Technical Based Services, Engineering Consulting Services, Water & Sewage, Water & Sewage Treatment Plant Construction · Value not stated

The Rottnest Island Authority (RIA) is seeking suitably qualified and experienced Contractors for the Wastewater Treatment Plant Capacity Expansion works.

The scope includes design, upgrade, construction, integration, testing, commissioning and handover of the upgraded Wastewater Treatment Plant.

Summary of the published description

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Stated requirements

  • Suitably qualified and experienced

Contract awards for similar work

Matched by title words (heuristic)

22 awards with “wastewater” and “treatment” in the title; 8 publish a value: AUD 20,991 to 1,397,071, median 33,723. Not a price guide for this tender.

Contract awards for similar work
ContractAwardedValue (AUD)

CWP17136-1_Maintenance of Wastewater Treatment Plant and Systems (2026 - 2030) - Blue Mountains Botanic Garden

Botanic Gardens of Sydney · New South Wales		published 27 Jul 2026200,011

Water and Wastewater Treatment

Department of Defence · Australia (Commonwealth)		25 Aug 20251,397,071

Decanter Parts Replacement - Casey Wastewater Treatment Plant

Department of Climate Change, Energy, the Environment and Water · Australia (Commonwealth)		13 Jun 202520,991

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Updated 28 September · Dates last read on 28 September 2026 · How we collect this data

Contains data from State of New South Wales, NSW Treasury; Department of Finance (AusTender), CC BY 3.0 AU; Queensland Government agencies (contract disclosure reports), CC BY 4.0.