Queen’s Wharf Towers 5 & 6

Destination Brisbane Consortium

Sector: Urban, Retail & Hospitality

  • >60,000Total Workhours
  • 230,000tBulk Earthworks
  • 492Ground Anchors
  • 4,900m²Shotcrete
  • >50,000lmAnchor Strands Fabricated Onsite
  • >7,700Heavy Vehicle Movements
  • 123Bored Piles
  • Stakeholder Engagement
  • Permits & Authorities
  • Enviro Monitoring & Controls
  • Cultural & Heritage Protection
  • Piling Platform & Proof Digging
  • Capping Beams
  • Bulk Earthworks
  • Loading Platforms
  • Shotcrete Walls
  • Ground Anchors
  • Foundation Piles
  • Detailed Earthworks
  • Pad Footings
  • Site Dewatering
  • Traffic Management
  • Cranage & Rigging
  • Live Environments

Unique Attributes

  • D&C contract for retention and excavation works of 19m deep basement. Complex shoring system as a result of large amounts of soil and rock, including bored piers, capping beams, anchoring, and shotcrete
  • Heavily restricted and congested works footprint, located between four major roads and pedestrian thoroughfares in the middle of the Brisbane CBD, and subject to a peak hour morning curfew between 7.30am and 9.00am
  • 12 hectare construction site involved multiple stages of construction for various tourism, leisure and entertainment facilities in close proximity to work

Key Challenges

  • Protection of adjacent heritage listed structures, requiring strict vibration controls and hourly monitoring and assessment
  • Key stakeholder engagement, including strict 10 day notice periods for lane closures
  • Deep basement excavation and construction adjacent to Brisbane River
  • DELTA Group - Projects