01
Tunnel Inspection
+
- Detailed visual and digital inspections of tunnels using advanced techniques
- Identification of structural defects, water ingress, lining degradation, and ground movement
- Use of high-resolution photography, 3D scanning, and non-destructive testing methods
- Preparation of comprehensive inspection reports with prioritised repair recommendations
- Periodic inspection planning and asset condition monitoring for long-term maintenance
- Compliance with UK standards and client-specific specifications
- Inspections carried out by experienced Chartered Tunnel Engineers
02
Construction and Project Management
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- Constructability reviews
- Contract management
- Risk management
- Value engineering
- Specialist advice on construction methodology and optioneering
- Expert support for contractual issues related to ground conditions
- Project management
- Peer review
03
Rock Tunnelling
+
- Rock tunnelling advice and methodology reviews
- Specialist advice on rock support implementation during design and construction
- Expertise in evaluation of project feasibility in rock environments
- Specialist advice on construction methodology and optioneering
- Specialist advice on drill and blast tunnels
- Technical advice on construction of underground caverns
04
Structural Assessment
+
- Structural analysis and integrity assessments for tunnels, bridges, buildings, and retaining walls
- Load assessment and verification for change of use, ageing assets, or post-damage evaluation
- Finite Element Modelling (FEM) and hand calculation checks to validate structural performance
- Advice on repair, strengthening, or replacement options based on findings
- Condition surveys and structural health monitoring setup
- Risk assessment of defects with actionable recommendations
- Services delivered by qualified structural and civil engineers in accordance with relevant codes
05
Soft Ground Tunnelling
+
- Constructability reviews of underground projects
- Technical advice on tunnels constructed with the SCL method
- Technical support for various TBM tunnelling methods in soft ground
- Specialist advice on soft ground construction methods
06
Shaft Construction
+
- Specialist advice on shaft construction during design and execution
- Constructability reviews and technical advice on Caisson Sinking (wet and dry), underpinning, and SCL techniques
- Advice on Diaphragm Walling, Secant Piling, and Sheet Piling
- Guidance on Raise Boring methodology
- Optioneering and construction methodology support
- Advice on grouting, dewatering, and other ground treatment techniques
07
Drill and Blast Method
+
- Design of drill and blast patterns for tunnels, shafts, and open excavations
- Technical support on drill and blast methods throughout the project lifecycle
- Review and optimisation of drilling and blasting practices
- Calculation and control of ground vibration and air overpressure
- Specialist advice for blasting in urban environments and near sensitive structures
- Strategies to minimise the environmental impacts of blasting
08
Engineering and Design Management
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- Concept design and design review of underground structures
- Engineering management during design and construction phases
- Design management for underground and tunnelling projects
- Value engineering and design optimisation
- Incorporation of sustainability in design and construction
- Peer review of engineering deliverables