Risk Based Study of Gas Concentrations in Membrane Interbarrier Spaces (eBook)

Published Date

January 2005

Risk Based Study of Gas Concentrations in Membrane Interbarrier Spaces (eBook)

$19.31
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This paper describes the risk assessment process and conclusions of a SIGTTO group in 2003 when it reviewed gas concentrations in interbarrier spaces. (29 pp)

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The IMO's IGC Code (section 13.6.11) states:"Interbarrier spaces should be provided with a permanently installed gas detection system capable of measuring gas concentrations of 0 to 100% by volume (v/v). Alarms should be activated when the vapour concentration reaches the equivalent of 30% LFL in air or other such limit as may be approved by the Administration in light of particular cargo containment arrangements."

In 2003 a SIGTTO working group examined the gas concentrations likely to be found in the insulation spaces of membrane LNG ships and determined, by good engineering practice, an acceptable upper limit. The group also examined the operational procedures for the cargo containment systems,in particular the monitoring and testing of insulation spaces for gas concentrations.

This paper describes the risk assessment process used by the group and the conclusions it came to.

Paper Delivered by:
Mokrane Yataghène (Gaz Transport Technigaz)
Jean Le Tallec (Gaz Transport Technigaz)
Roger Roue (SIGTTO)

Prepared for:
Gastech Bilbao 2005

For over 45 years, the Gastech Exhibition & Conference has been at the forefront of the international gas and LNG market. This world-renowned event is regarded as the most significant meeting place for gas and LNG professionals, where the global industry gathers to do business.

Gastech hosts major IOCs, NOC’s, global utility companies, EPC contractors, shipbuilders, pipeline companies, manufacturers, distributors, technology and service providers, all who play an active role in the global energy value chain.

Title: Risk Based Study of Gas Concentrations in Membrane Interbarrier Spaces (eBook)
Product Code: 4433g078
Published Date: January 2005

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