Long Term Recycled Water Release Plan Stage 1 – Gold Coast Seaway

Golder, now part of WSP, helped Bothar Boring and Tunnelling and their client, John Holland, with the temporary works and tunnelling design for the Gold Coast Seaway.


  • Bothar Boring and Tunnelling Australia (Head contractor: John Holland, End client: The City of Gold Coast)

Project Value

  • $62M

Project Status

  • Completed


  • Shortlisted for the International Tunnelling Association’s ITA 2021 project of the year award for under €50M project or rehabilitation category
Glass-reinforced plastic (OD)
1.94m 1.94m
Marine pipeline (two drives)
2003m 2003m
Reinforced concrete carrier pipe (OD)
2.5m 2.5m