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RoBound – Ro-ro space boundary fire protection – Literature Study
RISE Research Institutes of Sweden, Safety and Transport, Vehicles and Automation. (Fire Safe Transport)ORCID iD: 0000-0002-7874-2405
RISE Research Institutes of Sweden, Safety and Transport, Vehicles and Automation. (Fire Safe Transport)ORCID iD: 0000-0002-2049-6213
RISE Research Institutes of Sweden, Safety and Transport, Vehicles and Automation. (Fire Safe Transport)ORCID iD: 0000-0001-9597-928x
2021 (English)Report (Other academic)
Abstract [en]

This is the report from the literature study of the RoBound (Ro-ro space Boundary fire protection) project. RoBound is carried out by RISE Research Institutes of Sweden AB.The ro-ro ships have a large longitudinal space where cars, trucks and other cargo can be rolled on and rolled off. Despite improved fire protection regulations, many fire accidents have occurred on ro-ro ships and there are no signs of them diminishing in number or magnitude. During a review of the fire safety regulations, the IMO correspondence group has particularly pinpointed the need for additional experimental data or results of scientific studies regarding:- The performance of A-60 boundaries in case of a ro-ro space fire, especially to prevent fire spread to accommodation spaces; and- The performance of A-0 boundaries in case of a ro-ro space fire, especially to prevent fire spread between ro-ro spaces.In this process, Sweden has moreover underlined the issue of the smoke tightness of A-class divisions with doors. While smoke tightness is a requirement for A-class divisions, the fire resistance test method in the Fire Test Procedures (FTP) Code is not designed to evaluate hazards associated with smoke spread. RoBound purpose is to clarify the performance of “state-of-the-art” fire boundaries between ro-ro spaces and accommodation spaces or other ro-ro spaces, and to give recommendations on how sufficient fire containment is ensured. RoBound aims to strengthen competence and influence regulation development regarding fire divisions of ro-ro ships.The main result from the literature study is that :- The concept of horizontal fire zones, allowing ro-ro spaces and special category spaces to be as long as the whole ship, was introduced in 1967 according to resolution A.122(V), but was made mandatory long time after. In SOLAS 1974, entered into force in 1980 the main vertical zones was included in the regulation.- The land based method will not be used in RoBound since some smoke tightness solutions are based on an intumescent sealing joint. In order to be activated, the joint needs high temperature which is not reach in the land based standard.- Hose ports, also denoted “Cat holes”, are used on board with different experiences. Some think it works fine, other that it more problem. Level of maintenance vary from almost nothing to a lot of hassle. It is concluded that they reduce the amount of smoke spreading through the door compared with have a wedge and doorway open.- Doors to the ro-ro space is not perceived as smoke tight, and so are not lift doors. Crew is aware of the importance of well closing fire doors, checks are made daily.- Fire insulation in ro-ro spaces can be damaged by loading of trailers or during maintenance work. There can also be water damage (testing of drenchers, cleaning or by rain) and general wear and tear. Damaged insulation happens but not too often so it is not experienced as a problem for the crew.

Place, publisher, year, edition, pages
2021. , p. 24
Series
RISE Rapport ; 2021:68
Keywords [en]
ro-ro space, ro-ro deck, SOLAS, guidance, open ro-ro space, closed ro-ro space
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-54751ISBN: 978-91-89385-58-0 (electronic)OAI: oai:DiVA.org:ri-54751DiVA, id: diva2:1576740
Funder
Swedish Transport Administration, TRV 2019/96119The Swedish Mercantile Marine FoundationAvailable from: 2021-07-01 Created: 2021-07-01 Last updated: 2023-11-02Bibliographically approved

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Mindykowski, PierrickOlofsson, AnnaEvegren, Franz

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