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  • 1.
    Daaland Wormdahl, Espen
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Development of a fire test method for documentation of fire resistance capabilities when fire exposure from above the structure represents a hazard2013In: Conference Proceedings Interflam 2013, Interscience Communications, 2013, p. 373-382Conference paper (Other academic)
  • 2.
    Fjellgaard Mikalsen, Ragni
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sæter Bøe, Andreas
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Glansberg, Karin
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Stolen, Reidar
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Brandt, Are W.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Energieffektive bygg og brannsikkerhet2019Report (Other academic)
  • 3.
    Gjøsund, G.
    et al.
    NTNU, Norway.
    Almklov, P. G.
    SINTEF, Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    False alarm?: Effects of reducing unnecessary dispatches by fire and rescue services2018In: Safety and Reliability - Safe Societies in a Changing World - Proceedings of the 28th International European Safety and Reliability Conference, ESREL 2018, 2018, p. 181-188Conference paper (Refereed)
    Abstract [en]

    Fire and rescue services in Norway dispatch more often to false and unnecessary alarms than to real fires and accidents. In 2016, 60% of the emergency dispatches were conducted on the basis of false or unnecessary alarms. These unnecessary dispatches are costly in terms of time and resources spent, and can in some cases lead to a weakened preparedness towards real incidents. Also, the risk for traffic accidents increases when big vehicles rush through the streets on their way to where the alarm was triggered. Hence, there are good reasons to work to reduce the number of these kind of dispatches. On the other hand, one may also argue that there can be some positive effects of a certain number of mobilizations for the fire crews. Based on interviews with relevant actors connected to fire and rescue services, as well as on statistics collected through the BRIS reporting system, we will discuss possible consequences of reducing the number of false and unnecessary alarms and potential effects of implementing measures for decreasing unnecessary dispatches.

  • 4.
    Nordløkken, Per Gunnar
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Wormdahl, Espen D.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Energibesparende bygg og brannsikkerhet2015Report (Other academic)
  • 5.
    Reitan, Nina Kristine
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Bouffier, C.
    INERIS Institut National de l’Environnement Industriel et des Risques, France.
    Durgun, Özüm
    RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.
    Guay, F.
    DBI Danish Institute of Fire and Security Technology, Denmark.
    Ioannou, I.
    University College London, UK.
    Mira da Silva, M.
    University of Lisbon, Portugal.
    Petersen, L.
    EMSC European-Mediterranean Seismological Centre, France.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Theocharidou, M.
    European Commission Joint Research Centre, Italy.
    Vigh, L. G.
    Budapest University of Technology and Economics, Hungary.
    Infrastructures facing disaster risk: Pilot implementation of a new resilience management framework2017Conference paper (Other academic)
  • 6.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Evergren, Franz
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Brannsikkerhet ved bruk av gassbeholdere i bygg2018Report (Refereed)
    Abstract [no]

    Denne rapporten er utarbeidet på oppdrag fra Direktoratet for samfunnssikkerhet og beredskap (DSB). DSB har bedt RISE Fire Research om å bistå med evalueringer knyttet til bruken av gassbeholdere ved serveringssteder, overnattingssteder og forsamlingslokaler.

  • 7.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Kartlegging av bruk av røykvarslere i boliger i Norge2015In: Brandposten, no 53, p. 9-Article in journal (Other (popular science, discussion, etc.))
  • 8.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Manglende brannforebyggning förte til storbrann2016In: Brandposten, no 55, p. 15-15Article in journal (Other academic)
  • 9.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Fjær, Sindre
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Mapping of gas concentrations, effect of deadair space and effect of alternative detection technology in smouldering fires2016Report (Other academic)
    Abstract [en]

    Eight out of ten fire-related fatalities occur in dwellings. It is a fact that smoke detectors save lives, which emphasizes the importance of every home having a functioning smoke detector. In Norway, smoke detectors in dwellings are mandatory, and recommendations on which detector technology to use and the position of the detectors are given. Smoke detectors should be installed on the ceiling, outside of dead-air space (close to walls). In this study, ten smouldering fire experiments have been conducted to: • investigate if smoke detectors with CO sensing can alert residents at an earlier stage than photoelectric smoke detectors, consequently increasing chances of egress and survival for a sleeping person. • measure concentrations of toxic gases in a room where a smouldering fire occurs and investigate if tenability limits are exceeded when n photoelectric smoke detector is activated. • investigate if smoke detectors placed within dead-air space are activated at a later stage than smoke detectors placed according to the recommendations.

  • 10.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Optiske røykvarslere kan gi falsk trygghet på nattestid2015In: Brandposten, no 53, p. 8-Article in journal (Other (popular science, discussion, etc.))
  • 11.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Røykvarslere for bruk i bolig: Kartlegging av forskningsfront2012Report (Other academic)
    Abstract [no]

    I byggeforskrift av 1985 ble det innført krav til røykvarslere i nye boliger. I Forskrift om brannforebyggende tiltak og brannsyn (FOBTOB) av 1990, ble det i tillegg innført krav om røykvarslere i eksisterende boliger.

     

    Et litteraturstudium har blitt gjennomført for å kartlegge teknologistatus for røykvarslere i boliger. Det er lagt vekt på hvilken forskning og utvikling som er gjort med tanke på røykvarslere for boliger siden år 2000. Hvilke deteksjonsprinsipper kan benyttes, og kan ny teknologi gjøre detektorene bedre?

     

    Rapporten oppsummerer litteraturstudiet, innenfor forskjellige fokusområder, og gir i tillegg forslag til videre forskning på temaet.

  • 12.
    Sesseng, Christian
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Reitan, Nina Kristine
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Experimental investigation of using CO sensors to detect smouldering fires in dwellings2016In: Suppression, Detection and Signaling Research and Applications Conference (SupDet 2016), 2016Conference paper (Other academic)
    Abstract [en]

    SP Fire Research has recently conducted a research project which demonstrated that CO sensors may be more suitable than photoelectric detectors for detecting smouldering fires at an early stage. This was done by experimentally comparing photoelectric detectors with CO sensor in simulated bedroom fires. The response times of the CO sensors were significantly faster than for the photoelectric detectors. Furthermore, whereas the levels of fire gases at the time of CO alarm activation were sub-toxic, the results indicate that the CO dose may exceed critical values before photoelectric detectors activated.

  • 13.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Reitan, Nina Kristine
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Investigation of the use of smoke alarms in Norwegian dwellings2016In: Interflam 2016: Conference Proceedings, 2016, p. 387-388Conference paper (Refereed)
    Abstract [en]

    A survey mapping the use of smoke alarms and residents’ awareness of their legal obligations for protecting their dwellings with smoke alarms has been carried out. A total of 628 individual households geographically distributed throughout Norway were included in this study. The results demonstrated that factors such as level of education, age, gender, and if the dwelling is owned or rented by the resident, affects the awareness and compliance with the regulations and recommendations for the use of smoke alarms in dwellings.

  • 14.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Reitan, Nina Kristine
    Fjær, Sindre
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Kartlegging av gasskonsentrasjoner, effekt av dødluftsrom og effekt av alternativt deteksjonsprinsipp ved ulmebrann2015Report (Other academic)
    Abstract [no]

    Åtte av ti som omkommer i brann dør i hjemmet. Det er stadfestet at røykvarslere redder liv, noe som understreker hvor viktig det er at alle hjem har fungerende røykvarsler. I Norge er det krav om at fungerende røykvarsler er installert i alle boliger, og det er også gitt anbefalinger om deteksjonsprinsipp og plassering av røykvarslere. Det er anbefalt å benytte optiske røykvarslere fremfor ioniske, og at disse monteres i tak, utenfor dødluftsrom (nær vegg). I denne studien er det utført ti forsøk med ulmebrann i et testrom innredet med en seng for å: • undersøke om røykdetektorer med CO-sensor kan varsle beboer på et tidligere tidspunkt enn optiske detektorer, og følgelig øke sjansene for evakuering. • kartlegge nivået av giftige gasser i et rom hvor ulmebrann oppstår, og undersøke om grenseverdiene for forgiftning er overskredet når en tradisjonell, optisk røykvarsler går til alarm. • undersøke om røykdetektorer som er plassert i dødluftsrom reagerer tregere enn detektorer som er plassert i henhold Norsk brannvernforenings anbefalinger.

  • 15.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Aamnes Mostue, Bodil
    SINTEF, Norway.
    Vurdering av brannvesenet: Kvaliteten i brannvesenets brannforebyggende arbeid2011Report (Other academic)
  • 16.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Meraner, Christoph
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Säter Böe, Andreas
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Utvendig brannbekjempelse i Midtbykvartalet – En mulighetsstudie2019Report (Other academic)
    Abstract [en]

    External fire-fighting in Midtbykvartalet – A feasibility study

    The property developer E. C. Dahls Eiendom (ECDE) plans a building complex in a quarter in the city centre in Trondheim, the "Midtbykvartalet". The building will be enclosed by existing building blocks which to varying degrees hinder the fire service's access and efforts. Also, since the new building is intended for residential purposes, it will be necessary to install windows in fire rated walls against adjacent building. These factors result in deviations from a number of performance requirements in the guidelines to the regulations on technical requirements for construction works and there is therefore a need to find alternative solutions. It must be documented that these alternative solutions have at least as good an effect on fire safety as pre-accepted solutions would have. A potential side-effect of new, alternative solutions is that these can also, to some extent, protect the existing wooden buildings in the quarter.

    The aim of this report has been to identify the state-of-the-art within active fire protection measures for external fire-fighting and to obtain an overview of existing solutions and manufacturers and to carry out an assessment of the potential of these solutions.

    Risk scenarios

    An overview of existing buildings in the Midtbykvartalet is presented as well as an overall description of the plans for development. Based on this, several scenarios have been identified to reveal the potential fire-spread hazard between the existing buildings and the planned building. Furthermore, a qualitative risk assessment has been carried out.

    A literature study describes the state-of-the-art in water-based extinguishing systems for outdoor use. It deals with fixed extinguishers (facade sprinklers, water curtains), dynamic extinguishers, foam extinguishers, fire gels, as well as with sprinkler systems' effect and reliability. Furthermore, existing solutions (e.g. facade sprinklers, water curtains, water cannons and water mist turbines) have been surveyed, existing documentation described and assessed regarding suitability for use in the Midtbykvartalet.

    From the identified scenarios, it appears that fires in existing buildings are more likely to spread to the new building than a fire from the new building to existing buildings. The greatest danger to the new building will be if a fire spreads in existing buildings, up through the roof, through windows or along the facade to the roof. In many cases, the fire service will have good access with their ladder trucks etc. to perform extinguishing efforts, at least in the early phase of the fire. But the risk of rapid internal fire spread, which may include several of the older buildings, can create a challenging situation for the fire service and a risk for the new building. In case of fire spread to the new building, the fire department will, due to the position and height of the building, have difficulty with aerial rescue and evacuation from the new building's higher floors.

    Concept for the Midtbykvartalet

    A combination of a static and a dynamic extinguishing system will provide the best balance between system robustness, extinguishing effect and flexibility for the Midtbykvartalet. Facade sprinklers are considered the most suitable static system solution. Facade sprinklers will primarily cool the facade of the new building and absorb heat radiation from a potential fire in the existing buildings, but will not be suitable for extinguishing or actively fighting a fire within the existing buildings. The design and planning of facade sprinklers shall take the design of windows, balconies and roof terraces into account, which have been identified as vulnerable points in the firewalls.

    Dynamic systems such as water cannons and water mist turbines can be used to cool facades and to actively fight a fire over relatively long distances. In addition, such systems can be established so that the fire service can take over control of the extinguishing system as needed. This property is important, because of the height of the new building and because of how it is surrounded by existing buildings.

    Both water cannons and water mist turbines can be combined with an automatic control that allows you to fight a fire at an early stage, even before the arrival of the fire service, as long as early detection is achieved. A fire that spreads within the existing buildings will not be possible to extinguish with permanently installed dynamic systems. Therefore, the cooling and extinguishing effect of such systems must be evaluated based on the scenario of a large fire in the neighbouring building, which has not been done before.

    The cooling and extinguishing effects for both systems are largely dependent on their control system. The control system must be capable of aiming the water cannon or the water mist turbine at the fire, if required compensating for wind effects and selecting an appropriate water jet mode. Therefore, in order to adapt the control system to the Midtbykvartalet, it is necessary to quantify the cooling and extinguishing effect of such a system in advance and with regard to a potentially large fire in the adjacent existing buildings.

    Selected water mist turbines have the option of operating in a full jet mode, like a water cannon. Therefore, such systems are considered more flexible than water cannons. However, water mist turbines set large amounts of air in motion and generate turbulence that can affect the fire. It is therefore important to investigate if and in which cases this can aggravate the fire and have a negative effect on other areas in the quarter.

  • 17.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Analyse av dødsbranner i Norge i perioden 2005 - 20142017Report (Other academic)
    Abstract [no]

    I denne studien er informasjon fra brannstatistikk og andre kilder fra perioden 2005 – 2014 analysert, for å få mer detaljert kunnskap om hvem som omkommer i brann og hvorfor de omkommer. Dermed kan tiltak iverksettes mer målrettet for å redusere antall omkomne.  Følgende spørsmål er forsøkt besvart i studien: 1. Hvilke risikofaktorer forbindes med de som omkommer i branner i Norge? 2. Hva er årsakene til dødsbranner i Norge? 3. Hvordan kan dødsbranner best forebygges?  I den aktuelle perioden er det registrert 517 branner med 571 omkomne. Vi har kartlagt informasjon fra 347 politirapporter, identifisert 387 omkomne og trukket ut informasjon fra pasientjournalene til 248 av de omkomne.

  • 18.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Analysis of 985 fire incidents related to oil- and gas production on the Norwegian shelf2018In: Safety and Reliability: Safe Societies in a Changing World / [ed] Stein Haugen, Anne Barros, Coen van Gulijk, Trond Kongsvik, Jan Erik Vinnem, 2018, Vol. 1, p. 1847-1854Conference paper (Refereed)
    Abstract [en]

    Fire is a major threat in the petroleum industry. However, little has been published about the fire related incidents that have occurred in the Norwegian petroleum sector. To gain more knowledge, data from 985 incidents in the 1997 - 2014 period has been analysed. Examples of factors studied are type of facility involved, involved area or system, consequences and severity level. The analysis of the fire incidents reveals that even though many incidents are reported, the large majority of these have not imposed risks for severe fire accidents. It has also provided valuable information regarding possible dangerous situations, commonly in-volved areas, types of equipment as well as types of activity that were involved. Twenty-nine percent of the incidents were false alarms, which must be regarded as a high number in an industry where any production stop could be extremely costly.

  • 19.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Analysis of 985 fire incidents related to oil-and gas production on the Norwegian continental shelf2018In: Safety and Reliability - Safe Societies in a Changing World - Proceedings of the 28th International European Safety and Reliability Conference, ESREL 2018, 2018, p. 1847-1854Conference paper (Refereed)
    Abstract [en]

    Fire is a major threat in the petroleum industry. However, little has been published about the fire related incidents that have occurred in the Norwegian petroleum sector. To gain more knowledge, data from 985 incidents in the 1997–2014 period has been analysed. Examples of factors studied are type of facility involved, involved area or system, consequences and severity level. The analysis of the fire incidents reveals that even though many incidents are reported, the large majority of these have not imposed risks for severe fire accidents. It has also provided valuable information regarding possible dangerous situations, commonly involved areas, types of equipment as well as types of activity that were involved. Twenty-nine percent of the incidents were false alarms, which must be regarded as a high number in an industry where any production stop could be extremely costly.

  • 20.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Analysis of fatal fires in Norway in the 2005 – 2014 period2017Report (Other academic)
    Abstract [en]

    In this study, information from fire statistics and other sources has been analyzed to get more detailed knowledge than before about who dies in fires and why. This will help to implement more targeted measures in order to reduce the number of people perishing in fires.  The study attempted to answer the following questions: 1. What risk factors are associated with those who perish in fires in Norway? 2. What are the causes of fatal fires in Norway? 3. How can fatal fires best be prevented?  A total of 517 fires with 571 fatalities are registered in the official fire statistics in the 2005 – 2014 period. We have examined 347 police investigation reports, identified 387 deceased and  extracted information from 248 medical records.

  • 21.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Analysis of fatal fires in Norway over a decade, – A retrospective observational study2018In: Safety and Reliability - Safe Societies in a Changing World - Proceedings of the 28th International European Safety and Reliability Conference, ESREL 2018, 2018, p. 2837-2844Conference paper (Refereed)
    Abstract [en]

    Five-hundred-and-seventy-one fatalities were registered in the official fire statistics in Norway between 2005–2014. However, little is known about the victims. This study collected information from several sources to build a holistic database and gain more knowledge about the technical and social aspects of the incidents, forming a basis for more targeted measures. Human behaviour greatly affects the risk of fire, which supports why social aspects of incidents should be considered when identifying risk factors associated with the victims. The results showed a clear distinction between victims above and below the age of 67 with respect to risk factors. For the elderly, reduced mobility, impaired cognitive ability, mental disorders and smoking were observed risk factors. For the younger victims known substance abuse, mental illness, alcoholic influence and smoking were observed, mostly in combination. This shows that fire is a social problem, and should be prevented by initiating customised measures

  • 22.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Evaluation of an industrial building inferno – A case study2019In: Interflam 2019: Conference Proceedings, 2019Conference paper (Refereed)
  • 23.
    Sesseng, Christian
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Wighus, Ragnar
    RISE - Research Institutes of Sweden, ICT, Viktoria.
    Evaluering av brannen i BASA-Huset, Tønsberg2016Report (Refereed)
    Abstract [no]

    Torsdag 23. juli 2015 brøt det ut brann i BASA-Huset i Tønsberg. BASA-Huset var et næringsbygg hvor ca. 70 firma hadde tilhold. Størsteparten av bygget brant ned, og forsikringserstatningene er anslått til å være i størrelsesorden flere hundre millioner kroner. Direktoratet for samfunnssikkerhet og beredskap og Direktoratet for byggkvalitet har bedt SP Fire Research om å evaluere brannen med tanke på hvorfor brannen ble så stor som den ble, og hvilke nasjonale læringspunkt som kan dras ut av hendelsen.

  • 24.
    Steen-Hansen, Anne
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Fjær, Sindre
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Storesund, Karolina
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Contribution to the investigation of the fire in an avalanche cover and train set at Hallingskeid railway station2013In: Conference Proceedings Interflam 2013, Interscience Communications, 2013, p. 1523-1534Conference paper (Other academic)
  • 25.
    Steen-Hansen, Anne
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Fjær, Sindre
    SINTEF, Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Brann i snøoverbygg på Hallingskeid2012Report (Other academic)
  • 26.
    Steen-Hansen, Anne
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Stensaas, Jan P.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Stølen, Reidar
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Analysis of cooking fires in Norway2010In: Proceedings of the Interflam 2010 Conference, Interscience Communications, 2010Conference paper (Other academic)
  • 27.
    Steen-Hansen, Anne
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    Metode for evaluering av branner2015Report (Other academic)
    Abstract [no]

    Denne rapporten beskriver en enkel metode som kan anvendes ved mindre omfattende evalueringer av branner. Med metode menes her en systematikk for gjennomføring av evalueringer. En mindre omfattende evaluering vil være en gjennomgang der det enten er få forhold ved brannen som skal undersøkes, eller der situasjonen er relativt oversiktlig. Metoden er deretter anvendt på en brann i et sykehjem. Evalueringen av denne hendelsen er ikke fullstendig gjennomført, men fungerer som et eksempel på hvordan metoden kan brukes.

  • 28.
    Stensaas, Jan P.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    Kartlegging av forskningsstatus innen brannetterforskning2015Report (Other academic)
    Abstract [no]

    I dette prosjektet er det gjennomført et litteraturstudium der vi har kartlagt forskningsstatus innen utvalgte tema innenfor brannetterforskning. Det er gjennomført søk i aktuelle litteraturdatabaser for nasjonale og internasjonale publikasjoner, og i annen relevant faglitteratur som bøker og rapporter. Utvalgte relevante forskningsinstitusjoner og fagmiljøer er også kontaktet for å undersøke status innenfor de aktuelle temaene. Følgende prioriterte emner er undersøkt: • Brennbare væsker • Antennelse ved gnister, glør og varme partikler • Batterier • Selvantennelse

  • 29.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    Optisk varsling – Veiledningstekst2016Report (Refereed)
    Abstract [no]

    Denne rapporten er utarbeidet på oppdrag fra Direktoratet for byggkvalitet (DiBK) og Direktoratet for samfunnssikkerhet og beredskap (DSB). Prosjektet har bakgrunn i at DiBK har mottatt et endringsforslag til eksisterende tekst i VTEK § 11-12, annet ledd annet ledd bokstav a, preaksepterte ytelser punkt 4. Teksten omhandler optisk varsling som en del av et brannalarmanlegg.

  • 30.
    Storesund, Karolina
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Bøe, Andreas G.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Stolen, Reidar
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Gjøsund, Gudveig
    NTNU Norwegian University of Science and Technology, Norway.
    Halvorsen, Kristin
    NTNU Norwegian University of Science and Technology, Norway.
    Almklov, Petter G.
    NTNU Norwegian University of Science and Technology, Norway.
    Rett tiltak på rett sted: Forebyggende og målrettede tekniske og organisatoriske tiltak mot dødsbranner i risikogrupper2015Report (Other academic)
    Abstract [no]

    Personer som på ulike måter kan kategoriseres som sårbare, er overrepresentert i dødsbrannstatistikken. Derfor er det viktig å finne fram til effektive og målrettede tiltak som kan forhindre framtidige dødsbranner der personer som tilhører det som omtales som sårbare grupper er involvert. I rapporten brukes en helhetlig analytisk tilnærming som skal fange opp mangfoldet av dimensjoner som kan påvirke forebygging av dødsbrann, og hvordan disse virker i samspill med hverandre. Prosjektet har operert med en forståelse av sårbarhet som inkluderer både det fysiske miljøet, de menneskelige behovene og de sosiale og organisatoriske omgivelsene. En del av rapporten retter seg mot tekniske løsninger som kan brukes for å forbedre brannsikkerheten til sårbare grupper. Det har vært et mål å finne ut hvordan organisatoriske og tekniske tiltak kan brukes og ses i sammenheng, og hvordan tekniske tiltak kan implementeres, vurderes og dokumenteres.

  • 31.
    Storesund, Karolina
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Hox, Kristian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Ishol, Herbjørg M.
    SWECO, Sweden.
    Utredning i forbindelse med brannvesenets dimensjonering2017Report (Other academic)
    Abstract [no]

    Denne rapporten er utarbeidet på oppdrag fra Direktoratet for samfunnssikkerhet og beredskap (DSB). DSB har bedt RISE Fire Research om å bistå med evalueringer i forbindelse med utarbeidelse av forslag til revidert forskrift for organisering og dimensjonering av brann- og redningsvesenet.   Prosjektet har hatt som målsetting å evaluere spesifikke problemstillinger relatert til: 1. Responstid og innsatstid 2. Dimensjonering av beredskap a. Størrelse på samlet innsatsstyrke samt oppmøte b. Vaktberedskap – dagkasernering  3. Dimensjonering av beredskap – vaktlag og støttestyrke med hensyn til såkalt "fremskutt enhet"

  • 32.
    Storesund, Karolina
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Ishol, Herbjørg M.
    SINTEF, Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Vurdering av brannvesenet: Kompetanse og opplæring i brannvesenet2012Report (Other academic)
  • 33.
    Storesund, Karolina
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Mai, Thai Trung
    NTNU Norwegian University of Science and Technology, Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Ethanol-fuelled, flue-less fireplaces - An evaluation2010Report (Other academic)
  • 34.
    Storesund, Karolina
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Fire fatalities in Norway: An analysis of 350 fires from 2005 to 20142017Conference paper (Other academic)
  • 35.
    Storesund, Karolina
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Aamnes Mostue, Bodil
    SINTEF, Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Hendelser med brann i elektriske anlegg: Årsaksforhold og tiltak2012Report (Other academic)
  • 36.
    Storesund, Karolina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Steen-Hansen, Anne
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Hertzberg, Tommy
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Shelf analysis2016In: Fire Risk Management, ISSN 1757-1324Article in journal (Refereed)
  • 37.
    Storesund, Karolina
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Steen-Hansen, Anne
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Gjøsund, Gudveig
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Halvorsen, Kristin
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Almklov, Petter Grytten
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    How can fatal fires involving vulnerable people be avoided?2016In: Interflam 2016: Conference Proceedings, Interscience Communications, 2016, p. 365-374Conference paper (Other academic)
  • 38.
    Storesund, Karolina
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Steen-Hansen, Anne
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Hox, Kristian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Assessment of the response time of Norwegian fire and rescue service2018In: Nordic Fire & Safety Days 2018, 2018Conference paper (Refereed)
  • 39.
    Säter Böe, Andreas
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Hox, Kristian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    BRAVENT – Delrapport 2 ; Brannspredning i ventilasjonskanaler2019Report (Other academic)
    Abstract [en]

    This is sub-report 2 of the BRAVENT project (Fire and smoke distribution in ventilation ducts) which presents results from experiments where the risk of spreading fire and heat in ventilation ducts has been investigated. In the experiments, the effect of fire insulation on the duct, and mixing hot smoke with air at room temperature in the duct (as from adjacent rooms) has been investigated. The ventilation duct was connected to a furnace at one end and a fan at the other end. The furnace was heated to the desired temperature, and hot smoke was drawn through the duct at a certain velocity. Thermocouples measured the temperature both inside the duct (smoke gas temperatures) and on the duct’s external surface at different distances from the furnace.

  • 40.
    Säter Böe, Andreas
    et al.
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Sesseng, Christian
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    Stensaas, Jan Paul
    RISE - Research Institutes of Sweden, Safety and Transport, Fire Research Norway.
    BRAVENT – Delrapport 1 : Teori- og kunnskapssammenstilling2019Report (Other academic)
    Abstract [en]

    Recently questions about whether spread of heat and smoke in ventilation ducts during a fire represent an increased risk for personal safety and loss of properties have been raised. The technical solutions currently used to fulfill the pre-accepted performance given in the guidelines to the building regulations with regard to fire protection of ventilation ducts are largely based on descriptions in SINTEF's Building Design Sheet 520.352 on fire- and smoke protection of ventilation systems, and in BV Netts Guide for fireproof ventilation, also known as the BVNett Guide. This topic was once again raised in connection with the revision of the 2017 edition of the building regulations, when it was pointed out in inquiry statements that the pre-accepted performances are insufficiently defined and that the solutions outlined in the Building Design Sheet and the BVNett Guide are not sufficiently documented.

    In order to elucidate this topic and provide scientific documentation on the extent to which the spread of heat and smoke in ventilation ducts represents a risk to persons and properties, the BRAVENT project (Fire and smoke spread in ventilation ducts) was initiated.

    The project investigates issues related to heat dissipation in ventilation ducts, clogging of filters in ventilation systems due to smoke, the effect of the seal-up strategy with respect to pressure build-up in the fire room and smoke spread through leakages in the construction.

    The objective of the sub-task presented in this report was to:

    Compile a theoretical basis for the experiments and analyzes to be carried out.

    1. Map relevant regulations for fire protection of ventilation systems.

    2. Map standards that are the basis for determining the fire resistance of components included in a ventilation system.

    3. Map the state-of-the-art regarding a. the need to fire insulate ventilation ducts.

    b. the need to install bypass channels to prevent the filter systems from being clogged by smoke particles.

    c. the effect of installing fire dampers in all fire-partitions with respect to smoke spread.

    d. how smoke can be spread via ventilation ducts and leaks in the building structure.

    e. the pros and cons of seal-up and extraction strategies.

    © RISE Research Institutes of Sweden

    This is sub-report 1, which summarizes the relevant, fire-related theory and state-of-the-art in the focus area. The report serves as the theoretical basis for planning of experiments and for the other activities in the BRAVENT project.

  • 41.
    Wighus, Ragnar
    et al.
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Wendelborg Brandt, Are
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Sesseng, Christian
    RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Fire Research AS, Norge.
    Radiation from Large Flames2016In: Proceedings of the Eighth International Seminar on Fire and Explosion Hazards, 2016Conference paper (Other academic)
1 - 41 of 41
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