Wynyard Walk Stages I and II

Project name: Wynyard Walk

Client: Thiess Pty Ltd

Value: $25M

Location: Wynyard Station (Stage I) and Clarence Street, York Street and Napoleon Street (Stage II)

Commencement: December 2012

Duration: 3 years 5 months

Overview: Geotechnical investigation, underpinning and bulk excavation as part of the Wynyard Walk development.

Scope of works (Stage I):

  • Bulk and detailed excavation
  • Saw cutting and detailing of excavated walls
  • Concrete bored piles and concrete contiguous piles
  • Sheet piling
  • Temporary batters
  • Temporary and permanent anchors
  • Fibre reinforced and fibre Shotcrete
  • Soil nails and rock bolts
  • Capping beam and post tensioned beams and underpinning
  • Fabrication and installation of structural steel loading platform
  • Fabrication and installation of structural steel access ramp

Scope of works (Stage II):

  • Bulk and detailed excavation
  • Installation of structural steel load out platform
  • Perimeter and foundation piling
  • Shotcrete and anchors
  • Installation of precast concrete bridge
  • Installation of footings for pedestrian bridge foundation
  • Construction of RMS roads
  • Underpinning of Railway House
  • Installation of post tensioned concrete beams
  • Structural steel underpinning columns