Selected experience
Our project experience spans tunnels, shafts, municipal systems and below-grade structures. The examples below describe the engineering challenge and delivery logic without disclosing client-confidential detail.
Distributed and concentrated leakage in complex, access-constrained underground environments.
Location-specific diagnosis, staged injection and iterative treatment informed by observed response.
A repeatable framework for progressing treated areas toward the owner’s defined condition.
Active groundwater outflow through a buried tunnel interface with limited working access.
Targeted treatment geometry and materials selected around water pathway and constructability.
A practical remediation path focused on stopping water rather than masking the visible discharge point.
Groundwater ingress affecting a hard-rock tunnel and time-sensitive excavation sequence.
Rapid technical planning for a compact specialist crew, controlled injection and measurable inflow reduction.
An execution concept designed around mobilization speed, access and operational constraints.
Different depth zones required different permeability performance around a critical shaft.
Treatment and verification logic aligned to zone-specific permeability criteria.
Clear linkage between location, target, delivery record and acceptance evidence.
“Ground treatment becomes predictable when the work is designed as an observable system—not treated as a material purchase.”
DURBE engineering principleStart a technical conversation
Start with the problem, the performance requirement and the evidence available. We will help define a practical path to certainty.