Dept of Lands Building Phase 2

Built

Sector: Urban, Retail & Hospitality

>60Total Workforce at Peak
>30Specialist Trades at Peak
>1,500tSandstone Excavated
>2,000tBackfilling (Stabilised Sand)
>2,000tGSW Removed
226Rock Anchors
1,000m²Shotcrete

Enviro Monitoring & Controls
Shotcrete Walls
Ground Anchors
Temp Works Engineering
Detailed Earthworks
Permits & Authorities
Hazmat Removal
Manual Demolition
Mechanical Demolition
Robotic Demolition
Cut & Lift Demolition
Traffic Management
Heritage Protection
Cranage & Rigging
Propping & Bracing
Live Environments
Waste Transfer
Concrete Recycling
Steel Recycling
Retaining Walls
Stakeholder Engagement

Unique Attributes

Detailed excavation and retention works to enable tunnelling works contractor within confined space environment
Complex demolition methodology for staging and lifting roof structure with tower crane
Underpinning heritage structure in preparation for hydraulic jacking works
Onsite laboratory for sampling, testing and analysis of air and lead monitoring – including daily clearance certifications to re-occupy work areas
Robotic demolition methodologies

Key Challenges

Removal of lead dust and stripping of redundant services – ceiling corridor voids <1.2m crawl space
Installation of horizontal steel tie rods and core drilling 700mm diameter core to access internal corridors
Strict vibration and deflection monitoring controls to protect and retain heritage listed structural elements
Concurrent demolition, civil, tunnelling and remediation works – involving multiple fronts and work crew

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