Isolation of STEP Tunnel – Steel Bulkhead (Dubai)

Installed a steel bulkhead to isolate a section of the STEP tunnel, enabling dry access for works.

UAE — Dubai 02/2025-02/2025 Underwater Cutting/Welding Plug Installation

Challenge

Precision fabrication for a confined underwater interface and strict dewatering criteria.

3D templating, gasket selection, staged installation, and leakage testing.

Tunnel section isolated safely with zero leakage beyond tolerance.

Qatar • 06/2017-08/2017

Qatar • 09/2018-11/2018

Qatar • 11/2019-12/2019