If any person suffers loss or damage which is proved to have been caused by any negligent act or omission of Det Norske Veritas, then Det Norske Veritas shall. Document replaced. This document has been replaced by an offshore standard ( OS) in the DNV GL portfolio: DNVGL-OS-D All DNV GL service. Offshore Standard DNV-OS-D, October Page 4 – Changes. Amended October see note on front cover. DET NORSKE VERITAS.

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Major rebuilding and modifications as mentioned in this Section No.


Re Section 24 Vibrations Re Section 26 Radiation. The emergency lighting should be connected to the emergency power system or have its own battery as a power source. For general requirements related to design, see Sections 51012 and B Offshore service specifications The latest revision of the following documents applies: For requirements related to area classification and plants, systems and equipment for use in areas with explosion hazard, see Sections 5 and Risks as mentioned in the second subsection, may include accumulation of flammable gases, risk of increased explosion pressure and potential v301 access for firefighting.

If the facility does not fulfil the requirements of the regulations, changes shall be made to the facility.

In order to fulfil the requirement regarding activation of the systems as mentioned in the second subsection, the NORSOK S standard, especially Chapter 20, should f301 used. Where m and nnn denotes numbers and X letter. For mobile facilities that are not oa facilities, and that are registered in a national ships’ register, DNVGL-OS-A Paragraph 2 can be used as an alternative. When designing electrical installations, consideration should be given to the output needs, distribution system, earthing system, protection against interruption and adequate selectivity between protections in the event of errors in the installation.


For design of production facilities as mentioned in the first subsection, the standards NORSOK P env, L and L d310 be used in the area of health, working environment and safety.

Not constituting a danger to other facilities as mentioned under simpler facilities without accommodation litera c, includes the meaning that fire on the facility does not jeopardise the safety of other facilities, e. For protection of subsea production facilities against mechanical damage, see Section 45 of the Framework Regulations.

The ISO standard should be used for standardised fire tests. VHF stations in lifeboats or MOB boats should be designed and located so that they can be used at the same time as the boats are manoeuvred with the engine at maximum d310.

For design of plants and equipment for manned underwater operations on vessels, see Section 1. For manned underwater operations, Chapter 7.

Emergency preparedness vessel means both vessels that have emergency response functions as their primary task and other vessels that will be used, inter alia, for search and rescue, monitoring safety zones or actions against acute pollution. On permanently placed facilities, equipment and safety systems in classified areas and in naturally ventilated areas on an open deck shall fulfil the requirements in x301 Regulations relating to equipment and safety systems for use in explosive areas, cf.

DNV GL Danmark

This also applies to the permanently installed aero mobile radios. Re Section 58 Living quarters Verification of the performance of well barriers as mentioned in the final subsection, can be based on pressure testing, testing of accessibility, response time and leakage rates, dv well as observation of physical properties.

For general requirements related to design of plants, systems and equipment for manned underwater operations, see Section When choosing materials in light of the employees’ health and working environment as mentioned in litera h, materials should be used which are not harmful to the employees alone or in combination with other materials or gases. Section 1No. For the design of launching and recovery appliances for rescue and evacuation means, reference is made to Section For instrumentation related to monitoring and registration of pollution, see Chapter X of the Activities Regulations.


Offshore class rule updates October – DNV GL

To fulfil the requirements for evacuation d031 means of evacuation as mentioned in the first, second and third subsections, the NORSOK S standard Chapter 21 should be used, with the exception of the reference to SOLAS and national maritime requirements in In order to fulfil the requirement for exhaust ducts as mentioned in the first subsection, the NORSOK S standard should be used with the following additions: Guidelines relating to climate and air quality in the workplace Ordering No.

Norm for physical-chemical working environment on mobile facilities built before 1 August and operating on the Norwegian shelf in Norwegian onlyrevision 03, 1 February Re Section 50 Compensator and disconnection systems The Norwegian Coastal Administration. Section 33 of the Activities Regulations. Re Section dnb Passive fire protection. When designing for materials handling and personnel traffic as mentioned in the first subsection, the following factors oe be taken dd301 consideration: Re Section 56 Load-bearing structures and maritime systems For comments to the third subsection of this section, see the guidelines regarding Section 3 of the Framework Regulations.