Completed
Lusail Marina Promenades Public Realm (CP10-B-1)
Qatar • 06/2017-08/2017
Isolation of STEP Tunnel – Steel Bulkhead (Dubai)
Installed a steel bulkhead to isolate a section of the STEP tunnel, enabling dry access for works.
Challenge
Precision fabrication for a confined underwater interface and strict dewatering criteria.
Approach
3D templating, gasket selection, staged installation, and leakage testing.
Outcome
Tunnel section isolated safely with zero leakage beyond tolerance.