Head Office Details

17 James Street
Wallsend NSW 2287 Australia

Tel:  +61 2 4903 7000
Fax: +61 2 4951 1070

Bridges

What We Have Achieved

Putty Road Bridge

Client Information

Coal & Allied

Scope of Work

  • Reinforced earth walls
  • Excavation and Pour Cast In-situ Piles
  • Installation of Pre-Cast T-Beam Girders
  • Full bridge construction
  • Installation of 4 metre high safety screens
  • Approach Barriers by slip forming
  • Road pavements
  • Stormwater Drainage and structures
  • Landscaping

Significant Achievements

  • The work involved reinforced earth walls at the bridge abutments. These walls were 5 metres high by approximately 80 metres in length each with extensive strapping and select fill extending 8 metres behind the wall.
  • Maintaining traffic continuity was an essential aspect of the work.
  • Full compliance with Coal and Allied’s Health, Safety and Environmental systems.
  • Excavation of piles and construction of piles cast in-situ to ground level.  Extension of piles a further 5 metres above ground using scaffold falsework and formatube.
  • Community liaison extremely sensitive due to the bridge being connected with the mine sites of Warkworth and Mount Thorley.
  • Construction of the bridge substructure including abutment construction, installation of 20 T-beams each weighing 38 tonnes, deck construction involving reinforcement up to 38 mm in diameter, approach slab construction, slip forming of 140 metres of approach barriers 2.2 metres in height and final installation of seals, cover plates and safety screens.
  • Construction of stormwater drainage, pavements, sealing guardrail to complete works.