Damage stability requirements for passenger ships: collision risk based cost benefit assessment

Rainer Hamann; Odd Olufsen; Henning Luhmann; Apostolos Papanikolaou; Eleftheria Eliopoulou; Dracos Vassalos

Damage stability requirements for passenger ships: collision risk based cost benefit assessment

Rainer Hamann, Odd Olufsen, Henning Luhmann, Apostolos Papanikolaou, Eleftheria Eliopoulou, Dracos Vassalos

Naval Architecture, Ocean And Marine Engineering

Research output: Contribution to conference › Paper › peer-review

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Abstract

Currently built passenger ships have to comply with SOLAS 2009 probabilistic damage stability requirements. There are, however, serious concerns regarding the sufficiency of these requirements with respect to the Required Subdivision Index R, which should properly account for the risk of People On Board (POB) and ship’s inherent survivability in case of loss of her watertight integrity. In
recent years extensive research on determining the appropriate level of R using risk-based methods has been carried out. The urgency of the matter was reinforced by the quite recent Costa Concordia (2012) accident, even though this accident was not related to a collision event. This paper outlines the objectives, the methodology of work and first results of the ongoing studies funded by EMSA (EMSA III project) focusing on risk-based damage stability requirements for passenger ships. In compliance with IMO Formal Safety Assessment process a collision risk model is further developed based on the results of EU GOALDS project and a new required index shall be suggested by means of cost-benefit assessment. The updated collision risk model uses information from the most recent analysis of casualty reports of databases considering the period 1990 to 2012

Original language	English
Pages	307-316
Number of pages	10
Publication status	Published - 19 Jun 2015
Event	12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015) - University of Strathclyde, Glasgow, United Kingdom Duration: 14 Jun 2015 → 19 Jun 2015

Conference

Conference	12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015)
Country/Territory	United Kingdom
City	Glasgow
Period	14/06/15 → 19/06/15

Keywords

damage stability
risk model
passenger ship safety
formal safety assessment
cost benefit analysis

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title = "Damage stability requirements for passenger ships: collision risk based cost benefit assessment",

abstract = "Currently built passenger ships have to comply with SOLAS 2009 probabilistic damage stability requirements. There are, however, serious concerns regarding the sufficiency of these requirements with respect to the Required Subdivision Index R, which should properly account for the risk of People On Board (POB) and ship{\textquoteright}s inherent survivability in case of loss of her watertight integrity. In recent years extensive research on determining the appropriate level of R using risk-based methods has been carried out. The urgency of the matter was reinforced by the quite recent Costa Concordia (2012) accident, even though this accident was not related to a collision event. This paper outlines the objectives, the methodology of work and first results of the ongoing studies funded by EMSA (EMSA III project) focusing on risk-based damage stability requirements for passenger ships. In compliance with IMO Formal Safety Assessment process a collision risk model is further developed based on the results of EU GOALDS project and a new required index shall be suggested by means of cost-benefit assessment. The updated collision risk model uses information from the most recent analysis of casualty reports of databases considering the period 1990 to 2012",

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author = "Rainer Hamann and Odd Olufsen and Henning Luhmann and Apostolos Papanikolaou and Eleftheria Eliopoulou and Dracos Vassalos",

year = "2015",

month = jun,

day = "19",

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T1 - Damage stability requirements for passenger ships

T2 - 12th International Conference on the Stability of Ships and Ocean Vehicles (STAB 2015)

AU - Hamann, Rainer

AU - Olufsen, Odd

AU - Luhmann, Henning

AU - Papanikolaou, Apostolos

AU - Eliopoulou, Eleftheria

AU - Vassalos, Dracos

PY - 2015/6/19

Y1 - 2015/6/19

N2 - Currently built passenger ships have to comply with SOLAS 2009 probabilistic damage stability requirements. There are, however, serious concerns regarding the sufficiency of these requirements with respect to the Required Subdivision Index R, which should properly account for the risk of People On Board (POB) and ship’s inherent survivability in case of loss of her watertight integrity. In recent years extensive research on determining the appropriate level of R using risk-based methods has been carried out. The urgency of the matter was reinforced by the quite recent Costa Concordia (2012) accident, even though this accident was not related to a collision event. This paper outlines the objectives, the methodology of work and first results of the ongoing studies funded by EMSA (EMSA III project) focusing on risk-based damage stability requirements for passenger ships. In compliance with IMO Formal Safety Assessment process a collision risk model is further developed based on the results of EU GOALDS project and a new required index shall be suggested by means of cost-benefit assessment. The updated collision risk model uses information from the most recent analysis of casualty reports of databases considering the period 1990 to 2012

AB - Currently built passenger ships have to comply with SOLAS 2009 probabilistic damage stability requirements. There are, however, serious concerns regarding the sufficiency of these requirements with respect to the Required Subdivision Index R, which should properly account for the risk of People On Board (POB) and ship’s inherent survivability in case of loss of her watertight integrity. In recent years extensive research on determining the appropriate level of R using risk-based methods has been carried out. The urgency of the matter was reinforced by the quite recent Costa Concordia (2012) accident, even though this accident was not related to a collision event. This paper outlines the objectives, the methodology of work and first results of the ongoing studies funded by EMSA (EMSA III project) focusing on risk-based damage stability requirements for passenger ships. In compliance with IMO Formal Safety Assessment process a collision risk model is further developed based on the results of EU GOALDS project and a new required index shall be suggested by means of cost-benefit assessment. The updated collision risk model uses information from the most recent analysis of casualty reports of databases considering the period 1990 to 2012

KW - damage stability

KW - risk model

KW - passenger ship safety

KW - formal safety assessment

KW - cost benefit analysis

UR - http://www.shipstab.org

M3 - Paper

SP - 307

EP - 316

Y2 - 14 June 2015 through 19 June 2015

ER -

Damage stability requirements for passenger ships: collision risk based cost benefit assessment

Abstract

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Keywords

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