Tunnelling

JDK offers expertise in both hard rock and soft mudstone driven tunnelling projects. Our comprehensive approach to our work includes all tunnel construction stages, from pre-feasibility studies to project commissioning and review.

We have successfully delivered projects throughout the United States, Canada, and Australia. Our consultants are adept in the following areas:

• Geotechnical assessments 
• Rock mass classification and identification
• Tunnel stability analysis and support design review
• Preparation of interpretive geotechnical and baseline reports
• Borehole drilling, core logging, and geological mapping of cabins, tunnels, and portals
• As-built condition documentation and construction review reporting
• Planning and execution of geotechnical site investigations
• Assessment of design drawings for third party independent review
• Safety assurance review and QA/QC management