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Hills Motorway M2 Upgrade

Project data

Location: Sydney, Australia

The NSW Hills M2 Upgrade will widen the existing motorway generally between Windsor Road, Baulkham Hills and Lane Cove Road, North Ryde, and will deliver four new ramps to improve access to the motorway. It is a key road freight and commuter route which connects the major employment hubs of Macquarie Park and Norwest Business Park. On a typical workday, the Hills M2 is used by more than 100,000 vehicles and over 17,000 bus commuters.


  • Particularly unique and complicated due to their location in sensitive bushland and the close proximity to the creek that floods in heavy rain periods
  • Reduce the construction time


BKH Constructions Pty Ltd

Benefit to customer

  • On-schedule supply of large quantities of formwork and scaffolding systems
  • Compliance with the tight construction schedule

PERI solution

  • A crane handled climbing formwork to construct the 4 piers, the highest being approximately 32m
  • Constructing the piers in 4m high pours by the world’s most popular wall formwork system, TRIO Wall formwork on RCS platforms
  • Rosett Scaffold used as both the access scaffold and the falsework support for the head stock
  • On one of the piers that had its base in the creek an elevated platform was suspended off the column to get the base of the scaffold 6m above the creek bed