Alkimos Desalination Plant.

PROJECT OVERVIEW

The Alkimos Seawater Desalination Plant is a 50 billion litre per year facility, expandable to 100 billion, securing Perth’s drinking water amid declining rainfall and growth. It features a desalination plant, tunneled ocean intake/discharge, a 33.5 km pipeline, and vegetated dunes for mitigation. Key challenges included complex marine works, environmental approvals, and integration with the Integrated Water Supply Scheme.

SCOPE OF WORKS

Cost Estimation:

Prepared detailed first principals estimates for key components—Actidaff tank ($30M), SWIPS shaft/pump station ($30M), and reverse osmosis building ($16M).

Template Development:

Created cost templates compatible with systems like Planisware.

Methodology and Program Development:

Developed construction methodology aligning with sustainability, safety, and compliance goals.

Cost Savings Options:

Identified savings through optimized materials and techniques.

Risk and Opportunity Assessments:

Addressed geotechnical and market risks; proposed early contractor involvement and local procurement.

Tender Support:

Reviewed tender submissions for cost accuracy to support contractor selection.