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Category: Offshore bulletin

Safety bulletin – Ergonomic Issues of DP Vessel Controls

Monday, December 19, 2016

A semisubmersible DP drilling rig lost control of position for several minutes.  During this time it was obliged to shear the drill pipe and disengage the lower marine riser package, LMRP. Operators of dynamically positioned vessels and offshore installations should review the ergonomic aspects of their control system.

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Safety bulletin – Offshore Crane Safety Systems

Friday, November 18, 2016

This Alert is to remind duty holders of the requirement to have measures in place to verify the correct operation and the correct settings of all safety systems and limits on offshore cranes.    

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Safety notice – Use of barrier glands in potentially explosive atmospheres to meet IEC 60079-14:2013 (edition 5)

Tuesday, February 2, 2016

The current International Standard allows the use of a ‘standard’ Ex certified flameproof gland as opposed to a Ex certified ‘barrier gland’ without the requirement to apply the previous flowchart used in the British Standard. There is evidence this approach creates a fire and explosion risk. This notice provides information on what action to take.

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Safety alert – Catastrophic failure of a pipework clamp connector

Monday, September 21, 2015

This safety alert highlights the issue of inadequate material properties of small diameter clamp connectors and the potential for sudden brittle failure following an incident which occurred on an offshore production platform where a 1” diameter Vector ‘Techlok’ pipework clamp connector catastrophically failed causing a gas release.

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Safety alert – ‘Norfolk Range’ large wheeled dry powder fire extinguishers manufactured before 2009

Thursday, August 13, 2015

Norfolk Range large dry powder fire extinguishers, manufactured before 2009 by UK Fire International Ltd, may be affected by moisture ingress at a threaded joint at the base of the unit, rendering the unit inoperable.

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Safety alert – External chloride stress corrosion cracking of stainless steel Lokring pipe connectors

Thursday, April 16, 2015

This safety alert highlights the issue of chloride stress corrosion cracking which has been found to affect stainless steel Lokring pipe connectors, and advises on actions required.

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