Commercial Diving
ADAS Level 3 certified divers providing professional underwater inspections, hull cleaning, vessel surveys, infrastructure assessments, and marine construction support across Tauranga, Bay of Plenty, and nationwide.
Commercial Diving Services
Bay Marine Works provides certified commercial diving services for ports, marine contractors, vessel operators, councils, and infrastructure asset owners. Our dive teams are trained for inshore and offshore operations, delivering safe, efficient, and fully documented underwater work.
Underwater Inspections & Asset Integrity
We provide accurate condition assessments to support maintenance planning, compliance, and engineering decision-making.
Services include:
- Vessel hull inspections and cleaning
- MPI biosecurity inspections
- Non-Destructive Testing (UT, CP, MPI)
- Photographic and video documentation
- Detailed inspection and condition reports
Marine Construction & Structural Repairs
Our dive crews support both new construction and maintenance projects, working seamlessly alongside marine engineers and contractors.
Capabilities include:
- Wharf, jetty, pontoon, and pier repairs
- Pile and casing maintenance, wrapping, and reinforcement
- Underwater concrete placement and grout/epoxy application
- Scour protection installation
- Dive support for topside construction teams
Pipeline, Intake & Reservoir Services
We maintain critical water infrastructure in operational, confined, and controlled environments.
Services include:
- Pipeline installation, inspection, and leak repair
- Intake and outfall cleaning and maintenance
- Reservoir and tank inspection and cleaning
- Wastewater treatment plant maintenance support
- Contaminated and confined-space diving operations
Shipping, Ports & Offshore Support
Efficient support for commercial vessels and maritime operations, whether alongside or at anchor.
Capabilities include:
- Ship repair and offshore hull cleaning
- Delivery of stores, fuel, and personnel to vessels at anchor
- Salvage and debris removal
- Mooring installation, inspection, and recovery
Emergency Response & Salvage
Rapid mobilisation when it matters most.
Response services:
- Vessel damage assessments
- Grounding and entrapment assistance
- Wreck removal and recovery
- Storm and environmental incident support
- Temporary patching and stabilisation works
Specialised Equipment & Dive Systems
Our operations are supported by purpose-built marine equipment and robust safety systems.
Equipment includes:
- Inshore and offshore work vessels
- Mobile SSBA dive systems
- Hydraulic cutting, drilling, and cleaning tools
- Underwater lifting and rigging gear
- ROV inspection support (if applicable)
Case Study
Frequently Asked Questions
What types of commercial diving projects do you handle?
We provide diving support for a wide range of marine and infrastructure projects, including wharf and jetty repairs, vessel inspections, underwater construction, mooring maintenance, and emergency response operations.
Are your divers certified?
Yes. All Bay Marine Works divers are fully qualified and certified for inshore and offshore commercial diving, operating under strict health and safety and IMCA-aligned procedures.
Can you provide inspection reports and documentation?
Absolutely. Every inspection includes photographic or video evidence and a detailed condition report to support compliance, maintenance planning, and engineering assessments.
Do you perform underwater welding or repairs?
Yes. Our teams are trained and equipped for underwater structural repair, including welding, grouting, pile wrapping, and scour protection installation.
Can you assist during an emergency or salvage situation?
Yes. We offer 24/7 emergency response for vessel groundings, damage assessments, wreck removals, and environmental incidents. Our teams can mobilise quickly with all required dive gear and support vessels.
Do you work in contaminated or confined environments?
Yes. Our divers are trained and equipped for confined-space and contaminated-water operations, including reservoir, tank, and wastewater maintenance.
Do you service both ports and offshore sites?
We operate across both inshore and offshore environments, supporting port authorities, shipping operators, and offshore projects as required.
What equipment do you use for your dive operations?
We use purpose-built inshore and offshore work vessels, mobile SSBA dive systems, hydraulic cutting and drilling tools, underwater lifting and rigging equipment, and ROV support for detailed inspections.