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Dive Hard LTD Services


We’re committed to helping our customers every step of the way and providing useful services to take care of all their needs. Read below to learn about the range of services we provide. We’re constantly growing and expanding our service options, so if you have something in mind that we don’t yet provide, we’d love to hear about it.


Bio Security surveys

We are accredited to carry out bio-security inspections of vessels to identify any Non-indigenous species and Level of marine fouling. We can also clean your vessel to keep inline with the biosecurity act 1993.
We are also accredited to carry out Department Of Conservation and Ministry Of Primary Industries Vessel inspections.


Work required in the construction industry from building wharves, concreting, surveys, inspections, ultra-thermic cutting of steel and concrete, welding services above and below water, sea bed dredging, you name it we can do it.


If it is lost we can find it. From a small ring to vessel salvage we can help you out.

Pipeline maintenance

Sewage / Effluent outfall inspection and maintenance.


We can offer onsite maintenance including all types of welding on surface and below. Plant maintenance of pumps and machinery. Bearing and chain replacement.

Inspection work

Pile and wharf inspections, including CCTV recording. Thickness testing of metals.

Confined Space Work

Any work required in a confined space, diving, inspection, filter replacement, cleaning, welding.

Reservoir Cleaning

Sediment removal from potable water tanks and reservoirs using dredging and syphoning techniques.

Hydraulic Chainsaw tree clearance

Underwater and above the water tree and log cutting services, utilising hydraulic tools.

Contamination Diving

Contamination diving in sewage and chemicals utilising fully sealed contamination suits and helmets.

Vessel Maintenance

We can carry out in water anode and prop changes. Any other maintenance that you require.

Underwater welding and cutting

We have the ability to carry out under water ultra thermic cutting of steel and concrete. 
Underwater welding of steel and stainless steel.

Dredging of sediment

We can remove sediment from settling ponds and reservoirs using our hydraulic trash pumps and hand held dredge head.

Anode Installation and cathodic protection maintenance

Frequently utilized by most of our customers, this service has been essential to success on many occasions. When it comes to all of our services, you can count on us to take care of your every need. We pride ourselves on our exceptional customer service, and guarantee you’ll love working with our team. Let us know how we can assist you today.

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