[PROJECTS]

Byron Bay Five Bridges Replacement 

Client

Byron Shire Council

Location

Byron Bay, New South Wales

Value

$4.7m

Duration

April 2018 – November 2018

Status

Complete

The Replace Five Bridges project in Byron Shire involved the replacement of five aging timber bridges named Booyong, Parkers, James, O’Mearas, and Scarrabelottis, located near Bangalow in northern New South Wales.

The former bridges had limited weight capacities, ranging from 3 to 15 tonnes, which constrained the movement of vehicles to and from local businesses and properties. These old bridges were subsequently upgraded with modern steel structures, enhancing accessibility and safety for both vehicles and pedestrians.

Project Scope

The scope comprises the upgrade of the existing road including:

  • Management of existing overhead power (two bridge sites) and existing Telstra services (three bridge sites) including some relocation.
  • Traffic control including full long-term closure (12 weeks) at most bridge sites.
  • Environmental controls including flora and fauna management and erosion and sediment control.
  • Clearing and grubbing (and disposal) at each bridge site, including minimisation of clearing limits and impacts where possible.
  • Earthworks to construct bridge accesses, abutments, and temporary launch platforms.
  • Construction of slope stabilisation, foundations for bridge launch, foundations for a permanent bridge, abutments, and scour protection.
  • Dismantle and salvage existing timber bridges and existing steel Bailey bridge to a nominated location.
  • Assembly, launching, installation, and securing of modular steel bridge including barrier rails, bridge decks and surface treatments.
  • Construction of retaining and short ramp ledge support walls.
  • Construction of approach roads earthworks, pavement works and seal.
Key Construction Elements

  • Demolition of existing old timber bridge that had reached well beyond their original life. Chain saws, working at heights critical crane lifts to remove old pier columns.
  • Installation of micropiles as an alternative to the originally design cast in place piles was a challenging component of the bridge works as it was a design and construct component of our bid that was successfully executed and assisted in reducing the duration of the program.
  • Assembling the bailey bridge including the, modification of elements, logistics of material handling and the interesting assembly and launching of these amazing structures. The bridge was assembled and launched in very quick succession.
Local Participation

  • The Project engaged with local workforce providers and other local subcontractors and suppliers to ensure as many opportunities were provided to locals.
  • Plant and labour were sourced from our local partners in Northern New South Wales.

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