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DNV Offshore Container FAQ (Frequent Asked Questions)

DNV certified offshore container is widely applied in offshore drilling platform throughout whole wide world. Offshore container has many different types, mini offshore container, half height offshore container, container basket, mud skip and waste skip etc.  All of them can be called offshore container. Hereunder, we would like to discuss some FAQ in DNV offshore containers.



1)     Why DNV2.7-1 Certificate is required to offshore containers?

This certification was first published in 1989 because the standard affiliated to sea transport containers (ISO 1496) did not cover offshore containers and cannot meet the higher requirements from hazardous offshore environment. Some accidents occurred in the history of offshore drilling operation, and more and more drilling owners make it must to have DNV certificate for offshore containers which will be used to carry the cargo, food, tools, waste, drilling mud etc. from onshore to offshore or back from offshore to onshore.

Up to now, DNV2.7-1 certificate is a must to offshore drilling projects and it is import part of safety documentations.


2)     Are container houses like container portable offices, container restaurant and control rooms covered by DNV 2.7-1?

It depends on the requirements of project owners. We can offer certified container house per specific requirements.

Usually, items such as container portable offices, container restaurant and control rooms for offshore application may not need certification of standard DNV 2.7-1; Certification of DNV 2.7-3 is or other requests may required; Tercel Container can customize per your request.


3)     Can you test our offshore containers when they are installed?

We are based in China, may not convenient to provide such service for overseas countries. Another option, you may try to check with local certification companies or certification agent of DNV or LR.

Besides, it is important to maintain full documentations of DNV certificate for containers, as well as the record of repairs/modifications and other traceability reports.


4)     Can you modify offshore containers to suit our specification?

We are based in China, if you have large qty and can burden the roundtrip shipping cost, we can help do that. But it seems very troublesome.

Before any procurements, it is very important to know the specify need from owners and supply the correct goods. Because the offshore container with /without DNV certificate will have much different design, production material, inspection procedures and of course, price.


5)     Can Tercel add some device/equipment to offshore container and make them customized for our applications?

Within the strict standards of DNV 2.7-1, Tercel container will do it per clients request. Before delivery, all the product will be inspected by DNV or LIoyds and issue DNV2.7-1 certificate to us. For example, we can offer tool boxes, shelving, pipe racks, workbenches, air conditioning, Refrigerator to each offshore container /container house. Lighting and power maybe required for some of them.


6)     Can Tercel put lighting and power into the offshore container?

That is for sure. Tercel can install the power points, lighting and heating according to Ex standard and we may offer ATEX/IEC certificate to make the offshore container accepted to work for Zone I area.  

For some offshore containers require GPS tracker, we can offer GPS tracker with ATEX certificate for Ex proof area Zone I application.


7)     When will Tercel offer us the relevant certification for the offshore containers?

Usually, Tercel deliver the documentations with offshore containers delivery. E-copy should be accepted by the owners. Otherwise, we may need to print all of them in color papers with LR LOGO.


8)     What is the difference between offshore and ISO container?

Offshore containers are designed and manufactured according to a standard of DNV2.7-1. Under DNV2.7-1 regulations, the offshore containers can work in rough conditions like offshore installations or ship decks. However, the ISO containers are designed according to internationally accepted standards to ensure ease of handling at container docks around the world and allowing them to be stacked on cargo vessels safely.

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