A framework for onboard assessment and monitoring of flooding risk due to open watertight doors for passenger ships

Pekka Ruponen; Jakub Montewka; Markus Tompuri; Teemu Manderbacka; Spyros Hirdaris

doi:10.1016/j.ress.2022.108666

A framework for onboard assessment and monitoring of flooding risk due to open watertight doors for passenger ships

Abstract

Post-accident safety of ships is governed by damage stability, affected by watertight subdivisions which limit accidental ﬂooding. This is important for passenger ships with watertight doors (WTDs) often ﬁtted in the bulkheads. Awareness of the ship ﬂooding risk due to open WTDs and the conditions under which the associated risk level changes are prerequisites for proactive risk mitigation. Accident risk is often expressed as a combination of accident likelihood and its consequences. Current solu-tions for ﬂooding risk mitigation often treat these elements separately, or the adopted metrics are based on quantities not allowing proper active control of risk. In this paper an attempt is made to ﬁll this gap by introducing a novel concept for rapidly assessing the ﬂooding risk onboard passenger ships, accounting for the two dimensions of ﬂooding accidents. The likelihood part is based on the complexity of surrounding trafﬁc, operational conditions, and human reliability assessment. The consequences are based on precalculated probabilistic damage stability results of ship survivability. The presented case studies indicate that active monitoring of ﬂooding risk can increase the crew’s situational awareness of the effect of open WTDs on the ﬂooding risk, thus positively inﬂuencing the safety culture onboard the ship.

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Articles

Type:

artykuły w czasopismach

Published in:

RELIABILITY ENGINEERING & SYSTEM SAFETY no. 226,
ISSN: 0951-8320

Language:

English

Publication year:

2022

Bibliographic description:

Ruponen P., Montewka J., Tompuri M., Manderbacka T., Hirdaris S.: A framework for onboard assessment and monitoring of flooding risk due to open watertight doors for passenger ships// RELIABILITY ENGINEERING & SYSTEM SAFETY -Vol. 226, (2022), s.108666-

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