Previous work undertaken

Bay Underwater Services New Zealand Limited have covered an extensive range of underwater work including the following:

Supplying a range of vessels, barges, hopper barge excavators, dredges,work platforms and tugs, etc.
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
Deep sea saturation diving
Dredging and de-watering systems
Intake screen repairs and cleaning
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 repairs inspections and surveys
Ship propeller polishing and repairs (Rupert Scale Polishes)
Silt boom
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)
Wharf repairs and maintenance

Our Certifications