Client name: BHP Billiton Iron Ore Pty Ltd

Location: Port Headland, WA

Duration:  2015 – 2017

Key features:

• Ground vibration on nearby sub-station
• Dust mitigation
• Safety
• Adjacent to occupied office buildings
• Asbestos
• Nearby operational plant
• Possible cyclone during works
• Hydrocarbon ground contamination

Tertiary Crushing Building 1 Demolition

Tetra Tech Proteus were engaged to undertake a study phase to evaluate the options for demolition of a wide steel frame structure, encompassing large columns and beams holding significant internal equipment. Area of  structure: 40m x 120m x 30m.

Evaluation criteria was developed and each option ranked accordingly.  An optimised ‘without study’ was undertaken to determine a ranking of a ‘do-nothing option’.

The recommendation to demolish was undertaken to detailed design and execution.