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NorthLink WA: Stage Three

BRIDGES ROADS

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

The $175 million NorthLink WA: Stage Three project involved the design and
construction of 26 kilometres of new dual carriageway highway between Ellenbrook and Muchea,
in the
North East of Perth.

This project was the third component of the overall $1.12 billion NorthLink WA project, WA’s
largest
ever road initiative that now services regional traffic movements to areas such as Kewdale,
Malaga,
Perth Airport, and the CBD.

In partnership with CPB Contractors, BG&E was the lead consultant to deliver the design and
construction of Stage Three.

The key features of this mega infrastructure project
comprised

  • A 26 kilometre freeway, standard dual carriageway highway, fully grade separated.
  • Three grade separated roundabout interchanges, each with two bridges to carry the
    highway over
    the roundabouts below.
  • Two bridges over railways and local roads and two bridges over waterways.
  • A four metre wide principal shared path extending the highway length.
  • A pedestrian underpass and a pedestrian bridge.
  • More than 100 culverts that required flood modelling to design and optimise.

BG&E provided structural and civil engineering
services.

Location

Perth, Western Australia

Australia

Client

CPB Contractors

Key Outcomes

  • Improved regional connectivity with a new 26-kilometre dual carriageway highway
  • Enhanced road safety with grade-separated interchanges and pedestrian facilities
  • Increased flood resilience with optimised culvert design and flood modelling

Expertise Provided

Bridges
Civil Engineering
Geotechnical
Structural Engineering
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