Tunneling

McLoughlin Point Wastewater Treatment Plant outfall

McLoughlin Point Wastewater Treatment Plant outfall

Location

Victoria, BC

Timeline

2019

Methods

Microtunneling, wet retrieval

Scope

Michels Canada completed a 117-metre long, 2,121-mm diameter tunnel for an outfall at a new wastewater treatment plant. The tunnel was completed in a single drive from a 15-metre deep rock wall shaft out into a rock mattress retrieval pad. Following completion, the microtunnel boring machine (MTBM) was brought to surface using a wet retrieval.

  • Michels Canada completed a 117-metre long, 2,121-mm diameter tunnel as an outfall for a new wastewater treatment plant on Vancouver Island.
  • Michels Canada completed a 117-metre long, 2,121-mm diameter tunnel as an outfall for a new wastewater treatment plant on Vancouver Island.
  • Michels Canada completed a 117-metre long, 2,121-mm diameter tunnel as an outfall for a new wastewater treatment plant on Vancouver Island.