seaflex , elasticated mooring systems ,moorings, environmentally friendly moorings , screw anchors , marine moorings, marine flex
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Diving Services New Zealand Ltd

Common Activities Undertaken by Diving Services New Zealand Ltd

  • Underwater video and closed circuit TV (CCTV-HD) with communications to surface
  • Seafloor searches - side scan sonar
  • Still photography - standard or digital
  • Lloyd’s Register classified in-water surveys
  • Det Norske Veritas GL classified in-water surveys
  • Underwater cutting, grinding, drilling, ultrathermic cutting , hydraulic chainsaw, pile removal
  • Underwater ultrasonic thickness testing
  • Hull cleaning
  • Propeller polishing
  • Sea chest cleaning
  • In‑water valve replacement including overboard valves and sea chests
  • Anode replacement – vessels, sheet piling, pipelines, cathodic testing
  • Transducer and sonar maintenance including in‑water replacement and repair
  • Salvage and recovery
  • Stern bearing clearances
  • Underwater plastering - epoxy and cement
  • Pipeline inspections and high‑volume jet cleaning
  • Confined space work
  • Underwater Venturi and Jetting systems
  • General ship repair
  • Underwater ramset, bolts, nails etc.
  • Contaminated environment diving – sewers and toxic
  • Research diving- sampling, benthic sleds, benthic grab sampling
  • Slipway diving including blocking and maintenance
  • Marine farm maintenance
  • ROV services – 150 meter inspection class ROV with manipulator arm
  • Wet welding and cutting – hull repair and construction services
  • Explosives - demolition
  • Screw anchor installation and mooring inspection, recovery and supply
  • Vibracoring