Diving Services New Zealand ltd has successfully competed many varied projects. A range of these has been briefly listed below to show the range of skills and experience that this company can provide.
Slipway Upgrade.
Diving Services was contracted to upgrade the 1,800 tonne slipway at the Port of Nelson.This project ran over three months and included clearing the seafloor away using high volume water jet system (developed by Diving Services NZ) from the steel structures and surveying the site. Then the fitting 600 meters of steel track into position using combinations of both cranes and flotation equipment. The tracks were then drilled and bolted into place. New and innovative techniques were developed by Diving Services NZ to make huge cost savings in time and materials for the customer.
Anodes and Cathodic protection
Diving Services has fitted Cathodic Anodes to Sheet Piling - Vessels -Barges and Pipelines using either 'bolt-on' or 'Weld -on' systems. Providing a full Cathodic protection service to its customers including 'voltage' readings and 'protection mapping'.Diving Services NZ can supply a huge range of zinc and aluminum anodes.
Sheet Piling repairs
Diving Services divers have made many repairs to 'Sheet Piling' on wharfs and dams. Either by way of welding or ramset bolts . Systems to offer a continued protection after the repair can also then be provided.
Propeller / Shaft / Nozzle removal in-water
In-water removal can save huge costs and offer options to the client in urgent situations when required. This involved air ram work, ultra- thermic cutting, explosives and custom propeller pullers. Propellers have been removed of up to 2 tonnes in weight.
In-water surveys
Diving Services has completed many in-water classified surveys , vessels have included Tug boats, Barges, Oil platforms, Wharfs and a vast range of vessels from 180 ton Fishing vessels to 3000 ton container ships. Sites such as Dams , Wharf structures ,Pipelines and moorings are also common inspection tasks undertaken. Using the latest in Digital and 3CCD technology, we pride ourselves on providing the customer with the absolute best picture quality available. Our experienced staff can offer solutions to problems and defects if found and can supply full reporting and documentation services.
R emotely O perated V ehicle
Diving Services New Zealand owns and operates its own inspection class ROV rated to 150 meters water depth. Surveys, search and recovery of items as well as for diver assistance are all tasks easily and efficiently undertaken with this high tec addition to the extensive equipment range carried by Diving Services NZ. This unit has just undertaken deepwater inspections off mooring systems and provided guidance to the dive team to enable repairs to be made correctly first time giving huge cost benefits to the client.
Sampling
Sea floor sampling and surveying has been undertaken throughout New Zealand. Much of this work has been to assist the scientific community. Work has included core sampling ,dredging ,water and specimen collection and both experienced sampling technicians and specialised vessels are available for work in the field. specialised equipment can be developed and build 'in house' at one of the Diving services workshops to provide equipment that is both functional and cost effective.
Search and recovery
From false teeth to heavy machinery Diving Services New Zealand ltd has completed hundreds of recovery's, and can provide a huge wealth of experience when it comes to the location and recovery of lost items. Included in the vast array of search equipment is items such as a 150 meter depth rated R.O.V, Under water metal detector. Side scanning sonar and depth profiling equipment is available to the client who need to know whats down there or for larger scale operations.
Salvage
Diving Services has dedicated itself to the development of a very comprehensive salvage operation. With a large resource of equipment from lift bags - emergency repair patches- vessel transfer equipment-to pumping equipment we are ready to go at little or no notice. Our recovery team is experienced in not only getting the job done but with minimal damage to both the vessel/barge and the environment. We have close alignments with many large support vessels/Tugs/crane operators and can organise the entire operation to ensure smooth operation and coordination.
Contaminated diving
Diving Services has completed dives in contaminated environments including sewers and treatment ponds. We carry a very specialised range of equipment to offer this service in a safe and efficient manner. Often we are required to clean waste holding tanks and provide safe cost effective solutions to such hazardous works as well as BA work.
Marine Farm Maintenance
Diving Services Divers have had a huge amount of experience working within the Aquaculture industry both in New Zealand and in Scotland. Services have included; Block and Mooring survey/recovery or location , Farm Surveys , Mussel droppers servicing, Line recovery , Fish farm maintenance and much more.
Propeller polishing
Diving Services has provided A fast efficient Propeller polishing service to the marine industry for over the last 8 years. Vessels up to 3000 tons have be serviced by our team with a quick and efficient system to get the best finish available to the client. Huge fuel savings have been the reason this service is so popular.
Intake Cleaning
We pride our selves with having provided hundreds of very efficient Intake service's -water jetting / removal and sealing of all types of intakes have been undertaken.
Valve replacements.
In water valve replacements are quick and very cost effective for the client. With our range of custom made plugs and sealing devices we can safety seal even the most complex shapes.
Transducer Replacements
Our divers have replaced Transducers from small pingers to full size Scanmar units , and have completed full relocation of Transducer housings involving welding complete new housing to a vessels hull.
Marine pest Management
Diving Services New Zealand has been a world leader with programmes throughout New Zealand dealing with both control and eradication of several marine pests. Specialised equipment and techniques have been developed by Diving Services NZ to be able to provide the only 100% effective hull cleaning system available. All of our systems are developed with both cost and effectiveness as key components.
Pipeline Works
Diving Services has been involved with the placement, inspection and repair of water, drainage and such pipelines. Providing a complete underwater service to its customers we work very closely with the client to ensure that the entire operation can run smoothly when large dive teams and surface teams are working together.
