Robert Bird Group is the civil and structural engineer for the Transport NSW Pendle Hill Station Easy Access Upgrade Project. This project is part of the wider Transport Access Program which aims to upgrade the transport network to improve access for customers.

The Pendle Hill Station Upgrade includes four new lifts, a new station concourse and footbridge, new stairs and platform canopies, station amenities refurbishments and additions, and adjustments to street and public domain infrastructure. As part of this upgrade, the existing station footbridge will be partially demolished, including the complete removal of the existing ramps to Joyce Street and Wentworth Avenue.

Year Completed:
RBG Client:
Transport for NSW

Primary Contractor:
John Holland Group
Robert Bird Group Services:
Structural Engineering
Civil Engineering
Construction Engineering

Key technical challenges

  • The primary tower structure consists of a composite slab and beam structure. Due to the long beam spans and thin slab, extensive analysis for footfall vibration was required to ensure the structure achieved code requirements and client expectations.
  • Working with the existing structure and developing design solutions that strengthened rather than demolished.
  • Extensive co-ordination with the mechanical engineer to develop a strategy that minimised beam penetrations and beam notches.
  • Differential shortening analysis with consideration of mega truss, steel structure, concrete structure and existing structural elements

Environmental performance

  • 5 Star Greenstar
  • 5 Star NABERs Energy and 4 Star NABERs Water ratings.

Key technical innovation

  • Design of mega column and mega piles to resist the large concentrated truss loads. Specialised piling rigs were required to construct the 2100mm diameter mega piles required to resist the truss loads.
  • Developing a strategy to resist the mega truss uplift forces with the use of special high strength reinforcement.
  • To maximise the office floor column grids, HISTAR 460 HD columns were adopted in the design. Column cross sections are relatively small with thick web and flanges, as large as 140mm thick. HD Columns are fabricated and transported from Luxembourg.

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