GBC Winstone own and operate a number of quarries across New Zealand, including associated processing and materials handling plant. As with all quarries and mining sites, condition and capacity of materials handling plant is vital to the operation of these facilities. Robert Bird Group has extensive experience in assisting mining/quarrying operators in maintaining plant, including delivering new plant upgrades, or complete new facilities.

Robert Bird Group has delivered a number of projects for GBC Winstone relating to assessment, rectification, or upgrade of their quarry / plant sites.

These include:

• Structures Rapid Assessment for various quarries (post-Kaikoura Earthquake)
• Petone Sand Plant - Condition Assessment
• Belmont Quarry – Control Tower Initial Seismic Assessment
• Hunua Quarry – Emergency Dump Hopper Repairs
• Hunua Quarry – Wash Plant Replacement
• Belmont Quarry – Sand Conveyor Upgrade
• Belmont Quarry – Entry Upgrade: New Weighbridge and Wheelwash Facility