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This master thesis is written at the request of Kockums AB to solve the need for flexible fire barriers on submarines, particularly for the future submarine class A26. The report uses event tree analysis to demonstrate that a lower fire resistance classification for decks and bulkheads, compared to the prescriptive rules, is sufficient to obtain a satisfactory level of safety. The thesis also incl

The existing Swedish regulation of fire dimensioning regarding structures are separated into two separate parts which isn’t unproblematic. This sets demands for a new regulation based on a holistic view that can reveal how a fire in a compartment can affects the whole building. This compared to the existing demands that only could quantify a certain time limit as a demand in only a single fire cel

Queuing during evacuation is a phenomenon that has to be regarded when designing large buildings with high occupant loads. In theory it would be possible to eliminate or at least reduce the queuing time when evacuating a building if the building is designed with a large number of exits. The problem is that exits equal money and for that reason it has to be assumed that the building constructors’ a

This master thesis is a part of the research project Coping with the new risks: Understanding, Organization and Economics, which in turn is a part of the program Risk and safety in the transport sector (RISIT), led by The Research Council of Norway. One aim of this thesis is to survey train passengers' risk perception of terrorist attacks and their attitude towards security measures. Demograph

Risk perception research has largely focused on finding how different demographic variables predict risk perception dimensions. This thesis suggests including motivational values among the areas of focus, being a dimension shared across different demographical contexts. The methodology includes using established and scrutinized tools from the values and risk perception fields respectively and comb

As a result of the terrorist attacks on America on September 11, 2001 air security regulations have become stricter and people’s perception of risks related to flying and terror has changed. The primary objective of this master thesis is to examine how terror threats against civil aviation are handled by passengers and decision makers and to study opinions of security measures. The methods used in

This Master’s thesis presents a model that can be used to assess the public reactions and coverage in the media following an environmental accident. A risk assessment focusing on risks for the environment and human health is done in a case study at Stockholm-Arlanda Airport, and the results from this study is used to test the model for assessment of PR-damage suggested by the authors to this maste

This master thesis aims to examine the need for hospital evacuation planning. The thesis is based on results from a literature study in which events that have affected hospitals, have been studied. It is also based on a case study performed at Lidköping hospital. The case study is a risk and vulnerability analysis and seeks to identify risks that can initialize a large evacuation. Hospitals are a

A considerable part of world merchandise is transported by sea, and with about 150,000 crew members working on the ship types of interest for this thesis there is much at stake if an accident occurs, both with respect to human lives and financial losses. Since fires have previously shown to be responsible for many accidents with severe consequences, the aim of this thesis has been to investigate t

This work has three main goals and aims first to create a knowledge bank with focus of the area surrounding Platform Screen Doors. The knowledge bank was based upon a literature review. The work also aims to identify which effects that comes along with the platform screen doors. The identifying process was made out of the review with support from a survey among people with different educational ba

An important part of a society’s risk management is the use of response organizations. Their purposes are to respond to the emergency needs of the society. At the same time they have to meet the needs of their own organization, such as coordination and communication. This report has studied these internal and external needs and how they relate to each other during a fire at the Killebäckskolan in

Business Continuity Management (BCM) is in many respects a technically oriented field. The technical aspects of BCM are of great importance, however they become meaningless if not used and managed properly. Without adequate human and organizational conditions, there is a risk that BCM does not take the decisive step from solely comprising well-documented business continuity plans, to also generati

The purpose of this work was to collect experiences and examples of good preparedness work ahead of crises caused by landslides and floods at municipal level in Western Sweden. The study was carried out through a literature study, a pre study and a case study including interviews with representatives from seven municipalities and three national authorities. A set of criteria for good practice cris

In a passive house, the main source for heating is made out of human presence and its heat pro- ducing activities, which means that the need space heating is minimized. This is possible thanks to its air tight and well isolated construction, but it also demands awareness from its user to de- crease the use of energy and to gain a good indoor climate. This analysis investigates whether the passive

Reduced weight and maintenance make it advantageous to replace steel with Fibre Reinforced Polymer (FRP) composites in maritime applications, but being combustible makes fire safety a burning issue. A new methodology in regulations has opened up for innovative design solutions if they can be regarded as safe as a design complying with all prescriptive requirements. However, an uneven safety level