With highly trained staff and an extensive range of specialized high quality equipment, we can deliver successful outcomes on both large and small marine construction projects.
We offer companies a competitive and diverse range of commercial diving and underwater services. We have 54 commercial divers in our dive teams that are qualified as Fitters, Fitter Welders, Engineers, Diesel and Petrol mechanics etc. The engineering and mechanical background and expertise of these personal have been extremely beneficial to our clients in many of our past marine construction projects.
Surveys / Inspections
Bay Underwater Services NZ Ltd regularly completes surveys on international ships passing through various port around NZ and the Pacific Islands. Our company also completes MPI vessel clearances for entry into New Zealand waters and DOC clearances for the Sub-Antarctic Islands.
Some of the services that we can supply are:
- Class surveys – Class NK, Lloyds, Bureau Veritas, ABS, DNV GL
- Vessel inspections for Class Surveys and entry into NZ waters
- MPI Hull inspections and cleaning for bio security clearance in NZ waters
- Ship hull inspections and surveys
- Live closed circuit TV video inspections and surveys
- Underwater digital photographic surveys and inspections
- Hydro dam inspections / maintenance
- Sewerage treatment plant inspections / maintenance
- Clean water supply tank inspections / maintenance
Bay Underwater Services NZ Ltd has completed various repairs on ships including:
- Anode installation
- Non destructive testing
- Bathycorometer Cathodic Protection (CP) readings
- Magnetic Partical inspection (welds)
- Oil leakage detection (Dual MPI unit)
- Damaged propeller cutting, trimming, and balancing
- Propeller change-outs in water
- Damaged hull plate removal and replacement
- Underwater welding with certified divers to class standard
- Seachest grill removal, replacements and cleaning
Marine Construction
With over 26 years of experience, Bay Underwater Services NZ Ltd has successfully completed a wide range of marine construction and commercial diving projects. Our expertise spans across various sectors, ensuring that each project is delivered with precision and safety. Below is a selection of our specialized services:
Vessel inspections for Class Surveys
MPI hull cleaning for biosecurity clearance
Deep diving operations, utilizing decompression chambers and oxygen
Surface supply diving with voice communication
Wharf repairs, maintenance, and extensions
Wharf refurbishment and upgrades
Underwater construction and assembly
Piling services (including sheet piling, casings, split casings, etc.)
Concrete services (grouting, epoxy, and placement)
Pipeline and cable laying
Outfall construction and repair
Underwater cutting and welding
Underwater explosives applications
Pile and pylon repair systems (engineered designs with load ratings)
Bay Underwater Services NZ Ltd is equipped with the skills, technology, and experience to tackle complex marine construction projects, ensuring high-quality, reliable results.
Marine Demolition
Bay Underwater Services NZ Ltd has a team of highly trained and authorized professionals skilled in the use of explosives for marine demolition projects. We have also contributed to the refurbishment of several large structures across New Zealand, delivering expert solutions in challenging environments.
Our specialized marine demolition services include:
Blasting channels
Underwater cutting
Underwater welding
Underwater explosives applications
Sinking vessels to create underwater reefs
With advanced technology and a wealth of experience, we are capable of managing complex marine demolition projects safely and efficiently.
Sub Sea Salvage
Bay Underwater Services NZ Ltd has extensive experience in search and recovery operations, including vessel and aircraft recoveries, as well as providing sensitive support for personal searches. Our expertise also extends to challenging salvage operations, such as the iconic work undertaken on the HMNZS Manawanui.
Some of the key salvage and recovery services we provide include:
Unmanned vessel location and recovery
Aircraft recovery from the ocean
Vessel and oil spill recovery
Personal body searches
Helicopter salvage
Sinking vessels to create artificial reefs
Our team is equipped with the knowledge and technology to handle a wide range of complex underwater salvage operations, ensuring safety and precision in every task.
Vessel and Barge Hire
Bay Underwater Services NZ Ltd has various sizes of vessels available for hire including but not limited to:
- Dive works – 7m front opening landing vessel / platform
- Te Awaroa - 16.9m aluminium boat with large deck area
- Reel Time - 7m profile boat for working in smaller areas
- Piling frame for pile driving
We also have access to various other vessels depending on your requirements
Dredging
Bay Underwater Services NZ Ltd operates a dredging component in addition to diving, and have been involved in such projects as:
- Dredging waterways
- Construction of marinas
- Dredging various marinas around New Zealand
- Dredging at various Port companies throughout New Zealand
Bay Underwater Services NZ Ltd has the following equipment to use in dredging projects:
- Dredging and de-watering systems
- 8 inch venturi dredge
- Trash pumps etc
Talk to us about your specific needs
Bay Underwater Services New Zealand Limited have covered an extensive range of underwater work, including the following specialties:
- Bottom survey inspections
- Bridge and Wharf demolition
- Bridge inspections
- Cathodic protection readings
- Cathodic protection-eg: Anode placement and replacement
- Closed Circuit Television Video Surveys and inspections
- Concrete, grout and epoxies placement, (All aspects)
- Contamination diving – sewerage treatment plants etc
- Deep diving using surface decompression chamber and oxygen
- DOC vessel clearances for Sub Antarctic Islands
- Dredging and de-watering systems
- Intake screen repairs and cleaning
- MPI vessel inspections for entry into New Zealand waters
- MPI vessel hull cleaning (outside New Zealand Territorial Waters)
- NDT- Non Destructive Testing
- Outfall construction/repairs
- Piling (all forms of piling, sheet piles, casings, Split casings etc)
- Pipeline and cable laying
- Pylon repairs
- ROV- Remote operated vehicle, survey and inspection
- Search and recovery
- Ship hull cleaning, repairs, inspections and surveys
- Ship propeller polishing and repairs (Rupert Scale Polishes)
- Surface supply air diving with voice communications
- Tank Inspections
- Underwater (DIGITAL) Photographic Surveys and Inspections
- Underwater concreting, grouting and epoxying
- Underwater construction
- Underwater Cutting
- Underwater explosives and demolition
- Underwater welding
- Vessel salvage – 200 ton of liftbags (closed and open bags sized from 0.5 ton-10 ton)
- Vessel supply - vessel, barges, hopper barge excavators, dredges,work platforms and tugs, etc.
- Wharf repairs and maintenance
Phone:
0274 951 005
Email:
diving@bayunderwater.co.nz
Address:
25 Ashley Place
Papamoa Beach,
Papamoa, Bay of Plenty,
3118
