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Scotch College Underpass

Structural Engineering

Project Type / Category
Public Infrastructure
End Client
Scotch College
Architect
Taylor Robinson
Contractor
Wormall Civil
Project Value
$2M
Project Location
Swanbourne, Perth
Project Completion
February 2014
Value Engineering Solution
  • Modification of services to allow shallow underpass, reducing footprint, depth and cost.
  • Rapid construction program to reopen existing roads as quickly as possible.
Unique Design Items
  • Relocation of water main.
  • Bus load on headwalls.
  • Custom main roads 404 specification culverts.

The underpass was included as part of the Scotch College Middle School redevelopment to interconnect campuses and provide safe, unimpeded access across Shenton Road.

The underpass structure comprises a series of custom coloured and finished precast reinforced concrete long span culverts that were designed to MRWA standards and coastal requirements. Headwalls and panels were up to 4m tall. It was constructed adjacent to existing homes and an adjacent construction site.

Pritchard Francis was lead consultant on the underpass, integrating civil and structural requirements of the project with architectural, electrical and landscaping. Pritchard Francis completed the design, specification, contract administration and extensive site superintendence for the works that were completed safely and in a timely manner.

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