The Alkimos Wastewater Scheme

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Why did we need a new wastewater treatment plant?

The population growth of Perth's north west corridor from Mindarie northwards is predicted to reach about 150,000 by 2030. The suburb of Alkimos will be the heart of this community. Essential to growth and development in this region is wastewater and water infrastructure.

The wastewater treatment plant will be surrounded by a buffer zone which is nominally of 600 metres. The land is owned by the Water Corporation and is zoned for public purposes.

The infrastructure of the scheme will service the growing population in the north west corridor and take the pressure off existing wastewater treatment plants and pumping stations.

Who completed the works?

An Alliance between the Water Corporation and the private sector was formed in December 2006 for the design and construction of the Alkimos Wastewater Treatment Scheme.

The Alkimos Water Alliance is a commercial venture involving the Water Corporation and a joint venture between Brookfield Multiplex, Macmahon Contractors and Zublin.

The Alliance brings together experts in the fields of engineering, procurement, construction and management. The Alliance is also responsible for working with community members and stakeholders until the completion of the works.

Works completed include:

 Excavation for the Wastewater Treatment Plant
  
 Construction of a 3.7km Ocean Outfall
  
 Construction of Quinns Main Sewer Extension
  
 Construction of a Wastewater Treatment Plant
  

Community Presentations

Joondalup Reception Centre - 8 August 2005

 Overview of the Alkimos Project - John Longley - Project Director, Alkimos Project
  
 Wastewater planning - what has happened to date - Lindsay Edmonds - Principal Planning Engineer, Wastewater Treatment
  
 Getting the wastewater to Alkimos - Mike Parker - Planning Director, Wastewater Planning
  
 Making the new system sustainable - Kris Kennedy - Senior Town Planner
  
 Overview of Alkimos location - Andrew Baker - Principal Environmental Scientist, Alkimos Project
  

The Waterfront in Mindarie - 16 November 2004

 Project overview - Lindsay Lowes
  
 Alkimos WWTP : Making the new system sustainable - Mike Hollett, Project Director Water Cycle Project
  
 Wastewater Planning : Update - Lindsay Edmonds - Principal Engineer Wastewater Treatment
  
 The Wastewater pipe routes - Michael Parker