Awarded 22 Mar 2017
This is an awarded contract.
View Live TendersConcept Drainage Design for Thornlie Extension Link by GHD PTY LTD
About
Public Transport Authority awarded a contract to GHD PTY LTD for concept drainage design services for the Thornlie Extension Link, covering two options for lowering or not lowering the freight railway under Nicholson Road and Ranford Road.
The design considered utility services, contaminated sites, wetlands, and environmentally sensitive areas, and required hydrological analysis for 10-year and 100-year ARI storm events, ensuring railway operability during floods.
This contract reflects PTA's focus on integrating drainage design with environmental and operational constraints, a common requirement for rail infrastructure projects in urban areas.
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