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Underwater Inspection & Hydrus AUV 3D Mapping | CMG Great Keppel Island

Middle Island Underwater Observatory Inspection Client: DEMEXDate: September 2025 Commercial Marine Group was engaged by

20253D ScanningDEMEXHydrus AUVProjectsUnderwater Inspections
Port North Common User Berth Deconstruction and Removal Works

Client: Brady Marine and Civil | Port of Brisbane Commercial Marine Group was engaged by

Brady Marine & CivilBrisbane PortDecommissioningProjects

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Riverwalk GPT, Brisbane – Pile remediation

GPTPile RemediationProjectsUnderwater Inspections

Client: GPT (111 Eagle Street, Brisbane)
Project Dates: 2022-2023

OVERVIEW

CMG were engaged by GPT Pty Ltd for the provision of labour, materials, tools, and equipment required for remediation works on the piles and beams located at riverwalk, which is an approx. 135 meters of leased walkway along the Brisbane River between the Riverside Ferry Terminal and Riparian Plaza.

Riverwalk also forms access to multiple retail outlets located at the lower level the Riverside Centre.

Design and Construct

  • Blast and paint of 29 deep steel beams under the river walkway
  • Concrete pile remediation of 50 pre-stressed hexagonal concrete piles using QuakeWrap Carbon Fibre and Epoxy
  • This project involved a complex program working around tides with access limited to low tide and ferry traffic presenting with logistic challenges
  • Two crews working simultaneously on two vessels and a supply barge

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