Welshpool Road Leach HWY Interchange Project

Location

Value

$10M – $15M ~

Client

Welshpool Alliance (LWA)

Completion Year

2023
Project Overview

The Leach Welshpool Alliance (LWA) comprises Main Roads Western Australia (MRWA) and Non-Owner Participants Georgiou Group, BG&E, Golder & Associates, and Westforce (Sub-Alliance Partner).

This brownfield project upgraded Leach Highway with two new bridge overpasses, one over Welshpool Road for a grade-separated interchange, and one over Railway Parade and Sevenoaks Street, doubling the existing bridge’s capacity.

Westforce entered into a Sub-Alliance Agreement with LWA, delivering the structural concrete works (formwork, reinforcement and pouring) for the project.

  • Construction of a new grade-separated interchange, taking Leach Highway over Welshpool Road
  • Installation of two-span bridge with T-roff beams spanning approximately 46m, with piers and structural elements constructed adjacent to live traffic
  • Duplication of the existing Leach Highway Bridge over the railway corridor
  • Construction of shared-use path along Leach Highway from Sevenoaks Street to Orrong Road
  • Road infrastructure and stormwater drainage systems to support the interchange

Prequalification Category: R5 B4 F150+
In situ Concrete: 8,300m³ ~
Precast Concrete Beams: 2,000m³ ~
RCP Drainage 600-900mm Dia: 3,000m ~

Location

Value

$10M – $15M ~

Client

Welshpool Alliance (LWA)

Completion Year

2023
Project Overview

The Leach Welshpool Alliance (LWA) comprises Main Roads Western Australia (MRWA) and Non-Owner Participants Georgiou Group, BG&E, Golder & Associates, and Westforce (Sub-Alliance Partner).

This brownfield project upgraded Leach Highway with two new bridge overpasses, one over Welshpool Road for a grade-separated interchange, and one over Railway Parade and Sevenoaks Street, doubling the existing bridge’s capacity.

Westforce entered into a Sub-Alliance Agreement with LWA, delivering the structural concrete works (formwork, reinforcement and pouring) for the project.

  • Construction of a new grade-separated interchange, taking Leach Highway over Welshpool Road
  • Installation of two-span bridge with T-roff beams spanning approximately 46m, with piers and structural elements constructed adjacent to live traffic
  • Duplication of the existing Leach Highway Bridge over the railway corridor
  • Construction of shared-use path along Leach Highway from Sevenoaks Street to Orrong Road
  • Road infrastructure and stormwater drainage systems to support the interchange

Prequalification Category: R5 B4 F150+
In situ Concrete: 8,300m³ ~
Precast Concrete Beams: 2,000m³ ~
RCP Drainage 600-900mm Dia: 3,000m ~

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