Tailings Dam Remediation & Liner Works

Tailings Dam Remediation & Liner Works

Tailings Dam Remediation & Liner Works

Location Pilbara, Western Australia

Project Overview

Core delivered maintenance and remediation works within a tailings storage facility, including the removal of accumulated slop and residual tailings material, civil and bulk earthworks, geotextile and HDPE geomembrane liner installation, and repairs to dam walls and embankment batters. Earthworks were completed through controlled excavation, material placement, grading, trimming and layer compaction in accordance with the client-issued design and technical specifications.

Scope of Works

  • Slop and residual tailings cleanup and removal
  • Bulk excavation, load-and-haul and material management
  • Subgrade preparation and surface trimming
  • Geotextile protection and separation-layer installation
  • HDPE geomembrane liner installation
  • Dam wall, embankment and batter repairs
  • Controlled fill placement and layer compaction
  • Final grading and reinstatement to design profile

Project Duration

Four-week delivery programme

Safety Performance

The project was delivered without a recordable safety incident or lost-time injury. All site activities were managed under client-approved procedures and Core’s ISO 45001-aligned HSE framework.