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  • 1.
    Adolfsson, Rasmus
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Utformning av en infästningsstandard: En utveckling av kvalitetsarbetet hos Nordmarkens Fasader AB2015Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    As the construction industry today is increasing the demands on its actors and procedures to ensurethe quality of the final product, the work on quality assurance has increased in a greater degree.Quality assurance involves a systematic approach that often follow a specific quality system orquality mark. That this is conducted is often demonstrated by a certain certification.Nordmarkens Fasader in Töcksfors is a manufacturer and installator of windows, doors, walls androofs in aluminum and glass. To ensure the quality of their products, they work for the P-markingsystem that later allows them to P-label their products. The P-mark is the Science Partners ownquality mark and proves, among other things, that the product complies with statutory or regulatoryrequirements but also in most cases higher standards demanded by the market.In their work, Nordmarkens Fasader follows a quality manual, which in its turn is modeled after therules for P-marking. This is the official summarized description of the P-marking and contains orrefers to all the documents and document types included in the quality system of NordmarkensFasader.For the products of Nordmarkens Fasader to be developed a further step in working towards a goodquality and function, they want to establish drawings that deal with attaching elements in the wall, inthe quality manual. All this to get better track of what happens to the product after manufacture.Something that makes this even more important is that they do not always handle assembly of theirproducts. A standard of attachments in this case would result in that they can influence whathappens after manufacture. To achieve this it was necessary for a standard of attachments ofelements to be designed and then also integrated in the quality manual.Because there are many wall types to choose from, the most common and most abundant of thesewas elected. It all resulted in a number of standard drawings showing where some of the products ofNordmarkens Fasader should be attached in the selected wall. For this to be put into use in everydaylife it also had to be integrated into the quality manual. In addition to these standard drawings, themanual were changed while new documents also were created in this. All to achieve the best resultswith the quality work at Nordmarkens Fasader.This work will serve as a basis for future work on attachment drawings, in the quality manual, asthere is interest in bringing in multi-wall types in this.

  • 2.
    Adolfsson, Robin
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Jönsson, Caroline
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Är SundaHus materialklassning kompatibel med Miljöbyggnads, BREEAMs och LEEDs materialkrav?: En studie om SundaHus miljöklassningar.2015Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    We live in a society where there is a shortage of housing and the demand for new and sustainable buildings is growing. The houses that are being built today are focused on being energy efficient to save resources. Something that is forgotten is the choice of materials to house constructions. Materials can affect nature and people from the cradle to the grave by for example material hazardous components. The certification systems Miljöbyggnad, BREEAM and LEED have been checked and their material criteria have been defined. Through a selection of construction materials taken from SundaHus a review has been made of these materials towards the certification systems´ criteria on materials to see if they are compatible. The minority of the criteria were reviewed to separate materials and could be verified in SundaHus. Almost all materials passed the criteria that could be used of Miljöbyggnad and BREEAM regardless of classification in SundaHus. None of the LEED criteria were compatible with SundaHus for separate materials. The fact that the worse classifications in SundaHus could pass the criteria that were reviewed indicates that the requirements in environmental certification systems are too low. Higher and more demands should be made on individual materials and the hazardous substances in them.

  • 3.
    Alfredsson, Patrik
    et al.
    Karlstad University, Faculty of Technology and Science.
    Haeffner, Fredric
    Karlstad University, Faculty of Technology and Science.
    Åtgärdsförslag för erosionsskador i Kölaälv2006Independent thesis Basic level (professional degree), 15 points / 22,5 hpStudent thesis
  • 4.
    Almqwist, Jonas
    et al.
    Karlstad University, Faculty of Technology and Science.
    Olsson, Robert
    Karlstad University, Faculty of Technology and Science.
    Val av fönster med hjälp multikriterieanalys: Forshaga vårdcentral2009Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Rapporten är tänkt som ett hjälpmedel vid fönsterprojektering och berör de aspekter som är av intresse vid val av fönster. Målgruppen är Landstingsfastigheter i Värmland (LIV) samt alla som har intresse av ämnet. Huvudsyftet är att förenkla för LIV i deras arbete att välja fönster och att lämna förslag på den bästa fönster-/solskyddslösningen till vårdcentralen i Forshaga.

    Målet med rapporten är att skapa ett verktyg som hjälper LIV att på ett objektivt och enkelt sätt välja sina framtida fönster-/solskyddslösningar.

     

    Med hjälp av en multikriterieanalys (MKA) i samverkan med uppställda mål och syften har en mall arbetats fram, där fönster/solskydd kan utvärderas på ett objektivt sätt. MKA:n fungerar bra vid jämförelse av fönster men inte vid solskydd. Detta eftersom LIV har satt upp tydliga mål och syften för sin solskyddslösning. Därmed har en undersökande metod med hjälp av LIV:s uppställda krav använts som hjälpmedel vid val av solskyddslösning. MKA-metoden tillämpades för att finna det bästa fönstret till vårdcentralen i Forshaga.

     

    Rapporten visar att med LIV:s förutsättningar är den bästa lösningen ett PVC-fönster med isolerglas. PVC-karmen är den lösning som ger lägst U-värde samt kostar minst i sammanhanget. Trots att PVC-fönstret redovisas som vinnare var det inte bäst i alla avseenden. Aluminiumfönstret är genomgående bra och bäst ur säkerhetssynpunkt men tillverkarna har svårt att minska de naturliga köldbryggorna som uppstår i karmen. Lösningarna blir dyra och fönstret är svårt att motivera ekonomiskt när säkerhetskraven är normala. Fönster med trä respektive trä-/aluminiumkarm får också ett genomgående gott betyg. Ur underhållssynpunkt har träkarmen svårt att mäta sig med de underhållsfria alternativen.

     

    Eftersom LIV har tydliga krav och mål uppställda på sina solskyddslösningar och på deras funktion, sorterades många lösningar bort. Skärningspunkten för alla kriterier föll på en fast solavskärmning som inte kräver något underhåll, eller vars funktion förändras av väder och vind. Solavskärmningen bör kombineras med en persienn för att möjliggöra ett gott insynsskydd.

    En slutsats vid val av fönster är att det är viktigt att ha tydliga mål och syften, först när det är färdigställt kan man gå vidare med vilken funktion och krav fönstret/solskyddet bör uppfylla.

  • 5.
    Almssad, Asaad
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Almusaed, Amjad
    Archcrea Institute.
    Efficient daylighting approach by means of light-shelve device adequate for habitat program in Aarhus City2014In: International Journal of Smart Grid and Clean Energy, ISSN 2315-4462, Vol. 3, no 4, p. 441-453Article in journal (Refereed)
    Abstract [en]

    The concepts of light shelves consist of windows that have face towards the sun, which receive a vast quantity of energy that could be used for healthy day lighting. This paper debates a main assessment, investigates the optimization of daylight requirement by means of light shelves system. An experimental test was carried out assessing the measurements and lighting simulations of a model of a building in order to elucidate the characteristics of indoor lighting. Light shelf is an architectural element that permits daylight to enter deep into a building. It constitutes an optimal solution for an incorrect building orientation and less sunny days. The essential objective of this study is to highlight the vital role of light shelves in residential buildings in northern Europa where the requirement is to improve the daylight in the interior functional spaces. The main objects of this paper are to investigate the effect of daylight in the interior functional spaces using light shelves, the effect of natural light diffusion in interior space in the period of low daylight season, and glare effect in this field. This paper investigates a procedure for analysing the daylight performance using software habitat function

  • 6.
    Almssad, Asaad
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Almusaed, Amjad
    Archcrea Institute.
    Green housing: The optimal Solution To Combat The Negative Effects Of Global Climatechange2010In: 3rd International Conference Palenc 2010 jointly organised with EPIC 2010 & 1st Cool Roofs Conference, University of Athens, Greece , 2010Conference paper (Refereed)
    Abstract [en]

    No Architectural concept is complete without green areas. The vital mission of biophilic architecture is to revised conceptualization of architecture in response to a myriad of contemporary concerns about the effects of human activity. Our earth is warming more rapidly than it has in the past according to the research of scientists. The green building of biophilic architecture combines the interests of sustainability, environmental consciousness, green areas of the large nature, and organic approaches to evolve design solutions from these requirements and from the characteristics of the site, its neighborhood context, and the local microclimate and topography. The biophilic concept provides us with the opportunity to reach extremely low levels of energy consumption by employing high quality, cost-efficient measures to general architectural components - such measures are in turn off advantage to the ecology and economy sector. Our essential task of this research is to make of the green covering a human strategy in urban and architectural manner and to be a human culture with helping of local governments; we can acquire the competent legislation, which protect our life and environment.

  • 7.
    Almssad, Asaad
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Almusaed, Amjad
    Archcrea Institute.
    Kalil Almusaed, Zaki
    Heat Island Effects Upon The Human Life On The City Of Basrah2007In: Building Low Energy Cooling and Advanced Ventilation Technologies in the 21st Century: 2nd PALENC Conference 28th AIVC Conference / [ed] M. Santamouris, P. Wouters, Crete island: University of Athens , 2007, p. 45-47Conference paper (Refereed)
    Abstract [en]

    After the terrible consequence of the Iraq –Iran war and recently USA attack over Iraq the urban green covering disappeared from large areas of the city, beside the extension of the building over the green areas. The negative effects of this phenomenon over human’s thermal comfort become more perceptive. Today we can observe clearly the negative effect of urban heat island in the center of Basra city, precisely in physical frameworks of the city; we can observe a typical phenomenon with a large negative effect for the period of summer heating that is a natural thermodynamic phenomenon. In the surfaces of physical framework, in the core of day between 12-15 pm, the sun is shining perpendicular above the earth surfaces (framework physic). Consequently the temperature on the earth surfaces increases surprisingly up to 60 ºC. Therefore there occurs a difference of temperature between the earth surfaces and cosmos space which conduce to generate a gigantic colonization of air from the earth surface to cosmos space, such resultants of this phenomenon is no air zones and under pressure on earth surfaces, with the intention of making a nasal bleeding, which seeking for a medical intervention aide.

  • 8.
    Almusaed, Amjad
    et al.
    Archcrea Institute.
    Almssad, Asaad
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Biophilic Habitat: Environment Adaptability In Context Of BioEcological Architectural Conception2010In: 3rd International Conference Palenc 2010 jointly organised with EPIC 2010 & 1st Cool Roofs Conference, University of Athens, Greece , 2010Conference paper (Refereed)
    Abstract [en]

    The vital objective of biophilic habitat is to outline attributes and put them into a clear, sensible, organized format so developers, designers, planners, and architects can learn about the importance of a connection to the natural environment in all their building projects. Renew ability is the key to our human range and our prime resource for architecture. Every site is definite as to its location, natural relief, local vegetation, and its macro-microclimate.

    Biophilic habitat becomes an original utterance in social requirement. Moreover, this concept becomes a truly new orientation of human cultural life. Biophilic habitat is a part of a new concept in architecture, that work intensive with human health, ecology and sustainability precepts, such a integrate part of architectural formation which must be in optimal proportion with other buildings material. The position of green covering and its area depend basically on the category of functions that occur under this area. Biophilic habitat produces buildings that use less energy to operate because they feature efficient designs, materials and systems. The majority biophilic architectures have highly competent heating, cooling, ventilation, lighting systems, and appliances. In addition, these biophilic restructures are built of energy-efficient materials carefully installed to prevent the loss of conditioned.

  • 9.
    Almusaed, Amjad
    et al.
    Archcrea Institute.
    Almssad, Asaad
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Building materials in eco-energy houses from Iraq and Iran2015In: Case Studies in Construction Materials Journal, ISSN 2214-5095, Vol. 1, p. 42-54Article in journal (Refereed)
    Abstract [en]

    Builders from the Western part of Asia are trained to make buildings that can fulfil certain required functions while giving full consideration to all sites and environmental conditions. The research covers the zone between Iraq and Iran. The first investigated region is the ‘‘Mesopotamian Marshes’’ or Iraqi-Iran Marshes, a wetland zone situated in southern Iraq and partially in southwestern Iran. The other region is a desert district, which includes a prominent part of the southern and western parts of Iraq and part of Iran. The last is the centre city of Basra. The building materials were the most important building element that affected the conformation of vernacular habitats from the western part of Asia in general and the Iraq–Iran area in particular. In this study, we needed to focus on the effects of ecological and energy-efficiency processes in creating vernacular habitats and the selection of optimal building systems and materials in this part of the world, which can be an essential point for sustainable environmental building processes in the future. Reeds, clay, straw, bricks, and wood were the most popular building materials used by builders from this region. The impact of building material on the environment embodies the essential method implicitly significant in this research to effectively determine traditional building materials in the environment, in addition to comparative analysis. This presents an essential factor of our analysis, in addition to the impact of environments on building systems. The main target of this study is to benefit designers and building engineers in their pursuit to find optimal and competent solutions suitable for specific local microclimates using traditional methods in the design process that are sustainable and ecological.

  • 10.
    Almusaed, Amjad
    et al.
    Archcrea Institute.
    Almssad, Asaad
    Umeå universitet.
    Passive and Low Energy Housing by Optimization2012In: Effective Thermal Insulation: The Operative Factor Of A Passive Buildning Model / [ed] Amjad Almusaed, Croatia: InTech, 2012, p. 23-42Chapter in book (Refereed)
  • 11.
    Almusaed, Amjad
    et al.
    Archcrea Institute.
    Almssad, Asaad
    Passive And Low Energy Housing: In The Context Of “Archie-Metrics”Concept"2010In: lmssad, Rhodes Island: University of Athens, Greece , 2010Conference paper (Refereed)
    Abstract [en]

    The house is not only a roof, but also a home, the place where it is formed the moral climate and on which lasts the family spirit. The architectural product, being a product of the human work, a long time user product, like any other product it has not only to be produced but also to get the user’s disposal. The passive and low energy housing represents one of the most consistent concepts of sustainable building and brings with consideration of energy saving concept.

    Presently becomes incorrect work manner when we take the building phenomenon such as (passive and low energy building), detached from the large concept of architecture. Energy in

    passive and low energy building is an important factor; but it has an abstract act without human sentiments. Economy is other factor; all these factors classified such constant value. The human comfort is a vital aim of architecture, and it classified such variable level. The interaction always appears between the energy such abstract act and human comfort such human feeling. The balancing condition is extremely complex. Our job in this investigation is to establish a commune area by architectural conjecture over passive and low energy building.

  • 12.
    Almusaed, Amjad
    et al.
    Archcrea Institute.
    Almssad, Asaad
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Almusaed, Ali
    Towards a Zero Energy House Strategy Fitting For South Iraq climate2008In: Passive and Low Energy Architecture 2008 Conference / [ed] Paul Kenny, Vivienne Brophy, J. Owen Lewis, Dublin: University College Dublin , 2008, p. 40-44Conference paper (Refereed)
  • 13.
    Almusaed, Amjad
    et al.
    Archcrea Institute.
    Almssad, Asaad
    Nathir, Ameer M
    Shading Effects Upon Cooling House Strategy In Iraq2007In: Building Low Energy Cooling and Advanced Ventilation Technologies in the 21st Century: 2nd PALENC Conference 28th AIVC Conference / [ed] M. Santamouris, P. Wouters, Crete island: University of Athens , 2007, p. 40-44Conference paper (Refereed)
    Abstract [en]

    Macroclimatic forces have been important factors ever since man first constructed shelter. Throughout architectural history, local buildings have used great in providing the most comfortable internal conditions possible within the exigencies and constraints of local climate. The habitual living way in Iraq is accurately reflected in the households’ organization, in their volumetric configuration, in the forms of useful locations they engender. Houses are compact with interior courtyard; the streets are sinuous and pass through houses volumes. The shady interior courtyard has the effect that the rooms do not communicate directly with the overheated air outside, but through intermediate buffer spaces. In the mean time between courtyard and street at least a wall or a building is always interposed. This isolation from the street indicates concerns for defense. The architectural elements are strongly decorated, reproducing special typologies and traditional houses. The socials relations are strong, a situation which leads to personal-social spaces. The shadow is wanted to create both by means of architectural details and volumes, which have become a landmark of the local architecture specific character, and by means of natural elements (vegetation, water, etc.). The northern orientation is perfect for the summer functional rooms.

  • 14. Almusaed, Amjad
    et al.
    Almusad, Asaad
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Engineering and Chemical Sciences.
    Natural Lighting Efficiency By Means of Sun- Skylight-Tubes2014In: International Journal of Engineering and Advanced Technology, ISSN 2249-8958, E-ISSN 2249-8958, Vol. 3, no 3, p. 16-20Article in journal (Refereed)
    Abstract [en]

    The notion of comfort a luminous ambience refers to the distribution of luminance and chromatic ties on the interior envelope of a space that is one of different fields of vision for a subject within an ambience. Luminance and chromatic ties are at present not often studied as far as comfort in buildings is concerned. Sun lighting and bioclimatic concept is inseparable considerations when designing a building because of the historical and practical significance of natural lighting in architecture. Sunlight is as old as architecture itself. Human life gets sufficient sunlight, in fact, we use more of 90 % of our day indoor, for this reason, specialists are now seeing how architecture can ameliorate the indoor-outdoor links. At present, by biological and technological investigation the trend is to search backwards towards the previous philosophies and advantages of more indoor / outdoor relationship. Plus homeowners who want to have healthy home environments might want to renew the most relevant facts of technology and biology.

  • 15.
    Andersson, Caroline
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Fukt i passivhus i relation till väderlek: Alsters förskola2016Independent thesis Basic level (university diploma), 180 HE creditsStudent thesis
  • 16.
    Andersson, Monica
    Karlstad University, Faculty of Technology and Science.
    Bygga hus i traditionell härjedalsstil2008Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
  • 17.
    Andersson, Olle
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Bergstrand, Ann-Charlott
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Höjdbestämningsmetoder vid upprättande av nybyggnadskartor: Jämförelse mellan nätverks-RTK och trigonometrisk höjdmätning2016Independent thesis Basic level (university diploma), 5 credits / 7,5 HE creditsStudent thesis
    Abstract [en]

    Levelling and trigonometric height measurements are the methods that are mostly used today for height determination, as the standard error with these methods is in the magnitude of millimeters, as long as the view length is less than 50 m.

    When creating a new construction map the requirement on standard error differ from 1 (Fredriksson, 2011) to 10 cm (www.arvidsjaur.se) depending on which municipality it concerns.

    When using network RTK for measuring, the accuracy in height can fall below 3 cm when the conditions are optimal. The purpose of this paper is to investigate if network RTK can be used as an alternative to determinate height when accuracy under 10 cm is requested.

    Five points at locations with different conditions for accuracy got their height determined with the three methods mentioned above. Positional accuracy was formed for each point and method. The result from levelling was used as reference for the calculations. To compare the result with the requirements extended standard uncertainty, 2covering 95 %, was used. The result from trigonometric height measurement shows a position accuracy of 4 mm. From the network RTK, the points that were positioned without interference got a positional accuracy of 3.3 to 5.5 cm, while the points that were influenced by their environment, multipath interference and obstructions, got a positional accuracy of 123.3 cm and 234.4 cm. Positional accuracy of this method became 127.4 cm.

    The result from the height determination with network RTK shows big difference in accuracy for the different points. The conclusion is that network RTK measurement would not be a sufficiently accurate height determination method for preparation of a new construction map in an area similar to the one used for this test. Conversely, a construction map drawn up in an open area free from interference obstacles the results show that the network RTK is an approved method for determining height, depending on the requirements of the municipality.

  • 18.
    Arndtsson, Niklas
    Karlstad University.
    Optimeringsflöde av modelleringsprogram vid broprojektering: Analys av de tre modelleringsprogrammen Tekla Structures, Revit 2013 och Rhinoceros2013Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
  • 19.
    Aziz, Daniel
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Dimensionering av högprofilerad plåt: Analys av tillgängliga programvaror2017Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
  • 20.
    Backman, Carl
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Lindefelt, Daniel
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Mångfaldens Jakobsberg: En plats för alla2012Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
  • 21.
    Berg, Nicklas
    et al.
    Karlstad University, Faculty of Technology and Science.
    Eriksson, Robin
    Karlstad University, Faculty of Technology and Science.
    En jämförelse mellan modulbadrum och platsbyggt badrum vid renovering2011Independent thesis Basic level (professional degree), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Mellan 1960 och 1975 byggdes cirka 1 006 000 nya bostäder i Sverige. Många av dessa lägenheter har idag ett stort behov av renovering. Ett alternativ till att renovera badrummen på traditionellt sätt, där badrummet rivs ut och fräschas upp är att använda ett så kallat modulbadrum som integreras i den nuvarande huskroppen. Målet med arbetet var att med hjälp av kriterierna ekonomi, miljö och kvalitet utreda vilket alternativ som är bäst lämpat vid renovering; att bygga in badrumsmoduler eller att renovera befintliga badrum. Dessutom ska hyresgästernas åsikter i frågan utredas i form av en enkät. Vidare kontrollerades eventuella skillnader i miljöpåverkan samt kostnaderna för att klimatkompensera. Jämförelserna gjordes med hjälp av erhållna handlingar från Con-Form samt uppgifter från kalkylatorer på företag i branschen. Detta sammanställdes sedan i kalkyler i kalkyleringsverktygen BidCon och Sektionsfakta där priset per modul och priset per platsbyggt badrum kalkylerades fram. Denna summa användes för att få fram en pay off-tid för att se hur många år det, vid en hyreshöjning, skulle ta att betala sig. Materialen kontrollerades i databasen SundaHus för att se vilket alternativ som var mest miljövänligt och innehöll minst antal farliga substanser. Enkäten visade att den tänkta målgruppen är negativt inställda till modulbadrumsalternativet. Därför är det osannolikt att hyresgäster i allmänhet kommer acceptera de förändringar som modulbadrumslösningen innebär. Förlusten av ljus och försämringen av planlösningen samt de försämrade möbleringsmöjligheterna är argument tunga nog för att överskugga fördelarna. Pay off-tiden för det högsta hyresökningsalternativet är möjligtvis rimligt, men faller på att målgruppen helt förkastar lösningen. Därför är slutsatsen att modulbadrum inte är ett alternativ till att renovera befintliga badrum eftersom kundernas åsikter och kostnaderna talar emot detta. Platsbyggda badrum rekommenderas i det här fallet.

  • 22.
    Bergström, Markus
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Lindeman, Nils
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Dimensionering av Arena Tingvallahallarna: Ny arena i anslutning till de befintliga Tingvallahallarna2015Independent thesis Advanced level (professional degree), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    During the fall semester 2014 has a course called Examensarbete, BYGC14, been conducted by the authors of this report. The course is given at Karlstad University and is based on the students themselves to choose a problem to solve. Because this course is for structural engineers, the problem naturally treats a problem in the construction industry. In this thesis, we have chosen to construct and design a new arena that is supposed to be adjacent to today's existing Tingvallahallarna. In the current situation Karlstad IBF uses the largest arena in Tingvallahallarna but because they aim to step up to the top league, the requirements for the arena is going to be increased, which the current venue can´t live up to.The arena is primarily designed for floorball, information on requirements that Swedish Floorball Federation (SIBF) sets at venues in the highest league has therefore been gathered. These together with the demands from BBR have been the basis for the design of the arena. The aim of the thesis was to develop a proposal that can form the basis for future discussions on how the arena situation in Karlstad can be solved.The goal of this thesis has been to design and make calculations for the structure. The calculations are made by hand and according to the Eurocodes. The design is made of steel and the same construction techniques available in the current Tingvallahallarna are used to get the new arena to blend in with the existing structure.The arena has been designed to respect the existing buildings to architecturally blend in with the area. It also meets the requirements BBR and SIBF sets for arenas, while it has adapted to the demands and requirements of the municipality.Evacuation has been solved with fire escapes with special ledges which mean that people with disabilities also can safely evacuate through them. To make it easier for the disabled a lift is installed to take them to level two. The thesis is considered to have reached the set targets with respect to the design and construction calculations for the framework.

  • 23.
    Berndtson, Magnus
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Andersson Frohm, Martin
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Den nya branschstandarden ByggaF: Hur fungerar den i produktionen?2013Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
  • 24.
    Berndtsson, Hanna
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Olsson, Erik
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Brukarmedverkan i partneringprocessen: Ett praktiskt processverktyg för att effektivisera byggprocessen2013Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    SAMMANFATTNING

    Partnering är ett samverkansarbete mellan olika aktörer i ett byggprojekt där alla strävar mot gemensamma mål, vilket bidrar till ett mer hållbart byggande. Metoden härstammar från USA och har börjat implementeras allt mer i den svenska byggbranschen. ByggDialog är ett företag som arbetar enbart med partnering och strävar efter att förändra arbetssättet i dagens byggbransch. Kundens behov och önskemål sätts alltid i fokus, men för att skapa ett bättre samarbete bör kunden dela ByggDialogs värderingar. Resultatet av ett bra partneringarbete ger ett team som har en öppen dialog och arbetar mot samma mål. Trots att ByggDialog eftersträvar tät kontakt med brukare i alla projekt blir det av olika skäl inte alltid så. Syftet med rapporten var att stärka brukarmedverkan i partneringprocessen där målet var att hitta förbättringar på de brister som påvisats, samt alternativt skapa ett praktiskt processverktyg för att effektivisera byggprocessen.

    För att få en insyn i hela processen på kort tid har studien haft tillgång till tre referensprojekt, Mariebergsskolan, Sannerudsskolan och Dejeskolan som är i olika skeden i byggprocessen. Metodvalet arbetades fram utifrån en litteraturundersökning där observation och intervju visade sig vara det lämpligaste valet för studiens ämne. Studien använde sig av två observationsscheman, ett för information och ett för beteende samt en intervjumall enligt trattmodell. Intervjuerna blev den största informationsskällan till de brister som behövde förbättras. Intervjuer har gjorts med nyckelpersoner från beställare, brukare och entreprenör som har upplevts viktiga för studien. Respondenternas svar på intervjufrågorna gav resultat som la grunden till de brister som identifierades och som senare arbetades vidare med i analysen. Analysen gav förbättringar på de upptäckta brister som senare blev funktioner.

    Funktionerna är uppdelade från A-F, där de ska implementeras i en nuvarande process. Funktionerna kan vara en ny funktion eller en förbättring av ett redan befintligt arbetssätt. De övergripande förbättringarna ligger i förstudien och tidigt skede där arbetet ska engagera och motivera brukarna samt att en arbetsgrupp ska skapas för att hitta ”rätt funktion på rätt plats” i byggprocessen. Teamroller har visat sig vara mycket viktiga för att funktionerna ska kunna tillämpas som ger en bättre förståelse och ett motiverat och engagerat team. En bättre förståelse för vad resultatet kommer att ge, både till brukarna och deras organisation bidrar till en social utveckling. Finns det en bra kommunikation så är det lättare att undvika felbyggnationer vilket betyder mindre materialspill som främjar den miljömässiga aspekten. Genom att involvera brukarna i den öppna budgeten är det lättare att ”rätt” saker prioriteras för att hitta den bästa ekonomiska lösningen.

    Slutsats som kan dras för att stärka brukarmedverkan och effektivisera partneringarbetet är att det krävs en egen process, som ska implementeras i partneringprocessen med olika funktioner för att sträva efter den ideala processen. Funktionerna inriktar sig till både beställare, brukare och entreprenör, men där entreprenörens största uppgift är att vägleda och ge riktlinjer för att uppnå ett optimalt resultat.

  • 25.
    Binak, Burbuqe
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Olsson, Maria
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    ARBETSMILJÖ OCH TILLGÄNGLIGHET I BOSTÄDER: Arbetsmiljö för personal inom hemtjänst i relation till svensk bostadsplanering2015Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Tack vare tekniska och medicinska framsteg kan idag mycket av den vård som ges på sjukhus och vårdinrättningar tillgodoses i det egna hemmet. Ur ett samhällsekonomiskt perspektiv är detta en fördel eftersom vård i hemmet är betydligt billigare än en likvärdig behandling med sängplats på sjukhus. Allt eftersom vårdtyngden ökar i hemmen har det visat sig att belastningsskadorna hos den personal som utför arbetet ökat. Omvårdnadspersonal inom hemtjänsten är nu den yrkesgrupp som står för flest arbetsskador i Sverige. Orsaken är att dagens bostäder inte är anpassade för vård av svårt sjuka och funktionsnedsatta i hemmen. Utrymmesbrist leder till att personalen inte kan ta hjälp av lyfthjälpmedel eller använda sig av intränad lyftteknik vid personförflyttning. Störst risk för skada föreligger i sovrum, på toaletter och i badrum eftersom merparten av förflyttningen sker där. För att hindra detta måste dagens och framtida bostäder byggas med generösare tillgänglighetskrav. Kostnaderna för den utökade tillgängligheten bör finansieras genom subventioner. Genom att bygga bostäder som säkerställer en god arbetsmiljö för omsorgspersonalen kommer samhällets kostnader för sjukskrivningar och förtidig utslagning från arbetsmarknaden att minska.I detta arbete undersöks skillnaderna mellan 1 ordinärtboende, 3 Seniorboenden och 1 trygghetsboende och med hjälp av plananalyser och enkätundersökningar vill vi visa att det finns brister i tillgänglighet fastän de är handikappsanpassade.

  • 26.
    Bohman, Tomas
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Effekter av nya PBL: En studie av processen från handläggning av bygglovsansökan till slutbesked2013Independent thesis Basic level (professional degree), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    It has now passed two years since the new site- and construction law, PBL, went into force. It replaced the previous PBL applicable since 1987, and it involves relatively large changes in many different areas of the construction sector. The ambitions of the new law are for instance to simplify and clarify the legal text, increase efficiency in the permitting processes and improve the quality of construction. To achieve this, a variety of changes was made. Some of the most important are: inserted deadline in the processing of building applications, extended assessment of building applications, revised rules about controlplan and quality manager, a certificate is required to start and end the project, an additional meeting is inserted and the construction management of the municipalities will have to do a mandatory visit at the work scene. The objective of this thesis has been to examine what effects have occurred due to the introduction of the new PBL. To find that out, a literature study and a series of interviews have been made. To additional support, and clearly show the specific effects, a comparison between two projects has been done. The result shows that a variety of effects has occurred. Overall, it has been found that the new law demands more resources from the construction management of the municipalities, mostly due to an increased amount of administration and additional tasks. An estimation is that the new law means an additional burden of 25 percent. Other effects are that some municipalities have difficulties in meeting the deadline in the process of building applications, that the revised rules for quality manager have caused shortcomings, and that the need of a certificate to start and end projects has resulted in an increased clearness in the building process. It has also been found that the new law contains certain ambiguities. Of course, it is difficult to see the effects after only two years, and it remains to be seen how these unfolds.

  • 27.
    Bragd, Josefin
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Energieffektivisering i småhus: Vilka tekniker krävs för vilka energinivåer och lågenergihustyper?2012Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The point of this thesis is to, mainly by using the program VIP-Energy, sift out which techniques used for reducing specific energy use in houses that can be seen as reasonable or expensive and if the demanded levels for specific energy use in low energy houses involves reasonable or expensive techniques.

       The techniques were sorted as following:

    Windows moved to the center of the wall, heat exchanger for showers, heat exchanger for drainage, sun panels, MVHR and solar cells are assessed as being reasonable techniques to reduce specific energy use.

    A combination of sun panels and heat exchanger for drainage and a combination of sun panels and heat exchanger for showers are assessed as being expensive techniques.

    To reduce the U-value for the windows from 0,8 to 0,7 in a well insulated house is assessed as being a reasonable technique while reducing U-value for the windows from 1,7 to 1,2, 0,9 or 0,7 in a poorly insulated house is assessed as being an expensive technique.

    Increased airtightness and extra insulation is assessed as being a reasonable technique in a poorly insulated house but is assessed as being an expensive technique in a well insulated house.

       All techniques necessary for the demanded levels of specific energy use in low energy houses belong to the group which was assessed as being reasonable.

  • 28.
    Buck, Dietrich
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Massivträ: Jämförelse mellan olika principer för sammanfogning av trä till plattelement med avseende på pris, hållfasthet och ekologi2014Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The increasing use of solid wood construction methods can have a positive impact on the sustainability of constructions. The development of computer-controlled processing techniques enables the solid wood timber industry to rationalize the construction of buildings. The solid wood techniques come at time and will be higher valued in the future due to the natural characteristics of this material.

    The improvement of solid wood methods has resulted in various techniques to join wood into solid prefabricated parts. There is a need for a comparative market study of the different principles of solid wood construction to widen the knowledge and to explain interested builders the viability of these techniques. The key question for this study is: Which techniques of combining solid wood elements to whole boards are the most favorable ones concerning wood construction buildings – leaving apart questions of production costs, durability and ecological considerations?

    To point out the utility of these construction techniques and give them a broader understanding a general study of solid wood construction has been presented. The comparative study is based as well on studies of literature as on reviews of 27 companies in 6 countries.

    The following techniques for the production of boards made of solid timber elements are considered in this report:

     Laminating

     Nailing

     Stapling

     Screwing

     Stress laminating

     Doweling: vertically, horizontally, diagonally and with wooden screws

     Dovetailing techniques

     Wood welding techniques

    The study shows that the techniques of solid wood construction are very different in itself. CLT of cross-laminated timber scores highest in terms of cost and durability, but if one considers ecological factors, dovetailing is best. Taking into account both durability and ecological considerations, doweling is best. These alternatives give some freedom of choice regarding the visibility of surfaces and the efficient use of lower qualities of timber and they are therefore suitable for residential construction buildings.

    CLT is the most cost-effective, not patented and well established option in the market; the development of more health-friendly adhesives is still going on. Current researches demonstrate an alternative: Wood welding joins the parts better together than gluing them.

    Considered from the ecological viewpoint, boards made exclusively of wood, are preferable since no chemicals or not renewable resources are used. Recent researches show, that solid wood constructions have positive effects on the health of the residents of these buildings in comparison of buildings using non-natural materials.

  • 29.
    Bäckman, Tomas
    et al.
    Karlstad University, Faculty of Technology and Science.
    Fredriksson, Johan
    Karlstad University, Faculty of Technology and Science.
    Kvalitetsfel i byggbranschen: Orsaker och åtgärder2008Independent thesis Basic level (degree of Bachelor), 15 points / 22,5 hpStudent thesis
    Abstract [en]

    In the building industry errors and problems occur on a daily basis. Former studies has shown that the average cost to attend these errors amount to 4,4 % of the production cost. These costs are only those which are discovered during the production phase. If the costs that are discovered during the utilization life span are included the number can reach up to 10 % of the production cost.

    This degree thesis includes an investigation of three building projects where Peab Karlstad was the main contractor. Two of the projects were constructions of new apartment buildings and one was a conversion and extension of a water treatment works.

    The study showed the main problems in the projects can be deduced to the planning of the projects, which also the involved parties agreed in.

    The time-limit in the projects is by many said to be the biggest cause for errors to occur. Other sources mean that the time-limits will be shorted as a result of increased demands from the clients and the increased international competition. If the time-limit can’t be changed then the industry must change their ways to plan and implement their projects to minimize the problems.

    There are two new methods to improve and make more efficient planning. The first is called visual planning and is focused on the human beings in the project. The other one is called BIM, Building Information Model or Building Information Modeling, and is based on coordination of the information under the entire building process.

    Both methods are growing strongly in the industry and have proven to be more efficient. It takes time to implement new methods and that means that it can take time before these methods are used in a larger scale and improvement can be noticed.

  • 30.
    Bäckström, Carolin
    et al.
    Karlstad University, Faculty of Technology and Science.
    Gauffin, Emma
    Karlstad University, Faculty of Technology and Science.
    Framtidens energieffektiva flerbostadshus2010Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The housing sector of today represents for almost 40% of the energy consumption, an energy consumption of which the major part consists of non-renewable energy sources. This is not sustainable and utilization of new energy-efficient technologies in buildings can be a step in the right direction, towards a sustainable energy society.

    This report has been made on behalf of and in cooperation with Älvstranden Utveckling AB in Gothenburg to examine how future energy-efficient technologies can affect the energy demand in energy-efficient multi-dwelling buildings.

    The report is based on Älvstrandens passive house, Hamnhuset, a house whose energy consumption is far below the BBR's requirements. The report looks at the opportunities for improvement within windows, insulation, solar energy technologies, as well as white goods. Computer simulations are then made to apply the selected technologies into a reference building. Technologies are selected from an energy efficient perspective and no account has been taken of other aspects such as the economy. They must also be available on the market within a ten-year period. Information has been gathered through interviews and contacts with experts in their respective fields, as well as representatives of the various technologies.

    By using high-efficient insulation and smart windows, heat transmission losses and thus the heat demand can be reduced. Increased solar irradiation through the windows during the winter months also contributes to a reduction in need of purchased energy during the coldest part of the year, when the supply of renewable energy is minimal. A large part of the needed electricity may be covered by electricity from solar cells mounted on the roof, balcony fronts and facades. A reduction of purchased electricity has a major impact on the building's stress on the environment and carbon dioxide emissions from a life cycle perspective. That is also why electricity heated white goods are exchanged into appliances on district heating.

    By installing a larger amount of and more efficient solar collectors which also has a smoother heat production over the year, the need for heating domestic hot water is reduced.

    The calculations are made in two stages, the first sets out the various technologies effectiveness and potential individually; several simulations have been made for one and the same technology to provide different variations depending on the situation it is used. For example, several combinations of windows are tested in different orientations. In step two, the techniques with the greatest energy saving potential are selected in order to jointly result in a final house. To see how a future streamlining of household technology and lighting affects the energy balance of a building, a simulation is also made where household electricity is reduced by 40%.

    The result of selected energy efficiency measures shows a reduction of the specific energy demand by 70 % compared to the BBR's requirements and 50 % compared to the reference house. In addition the environmental impact of the building reduces from a CO2 perspective with 85 % compared to the reference house. However, there is an uncertainty of the results as they are based on speculations in the technologies future capacity. Results should therefore be seen as an inspiration for how high the objectives can be set in the construction of energy-efficient buildings.

    Still, in the light of this report, there are great opportunities to within a ten-year period build multi-dwelling buildings that are way more energy efficient than today.

  • 31.
    Carlmark, Tommy
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Månadskostnader vid investering i ny bostad: En jämförelse av olika investeringsalternativ och deras ekonomiska påverkanvid införskaffning av ny bostad.2013Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    This is a work that look at the factors that affect future monthly costs when buying a house in Sweden and which options are the most financially favorable over a 30 year period. The work also examines whether it is economically beneficial to invest in a low-energy house regardless of geographic location in Sweden, and discuss about whether a calculation template can help individuals to choose more environmentally friendly options. The work has been limited so that a certain number of predetermined factors and its measurable values have been developed with the help of a literature study. The factors chosen are building type, climate, heating systems, loan interest rates, energy prices, energy price increases, inflation rates and down payment. These are then combined into 72 different calculation cases which get put in a calculation model made in excel. The model has a simple structure that can be used by most people, and based on these calculations we obtain the result. The result is shown as 72st month cost of a table, the results showed that the most profitable option in each climate zone where with the use of the traditional house. The three most expensive calculation cases for each climate zone were also with the use of the traditional house. The majority of the cheapest calculation cases when using the pellet boiler was represented by calculation cases with the traditional house and the calculations with the use of the oil-fired boiler, the majority were low-energy houses. Note that some exceptional cases existed. Every individual is unique and create different conditions for their monthly payments on their homes. This makes the factors affecting the monthly costs a large number. From this work it can be concluded that it is not economical to invest in a low-energy house under certain conditions. One can also see that the costs related to loans and heating are two leading factors of the monthly payment, with low loan costs comes higher costs for heating and higher loan costs results in lower costs for heating. The calculation template can favor and help people to find the most profitable option for their case, whether it is environmentally friendly or not depends on the conditions. To encourage producers and consumers to invest in sustainable alternatives the suggestion is to subsidize money to companies that build according to some sort of certification, this can result in lower prices for the more environmentally friendly low-energy houses.

  • 32. Celik, Ahmedin
    et al.
    Berggren, Daniel
    Hammarö ryttarförening - En framtid med möjligheter: Ett styrdokument för utveckling av Hammarö ryttarförenings verksamhet och anläggning2013Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    Hammarö ryttarförening (HRF) runs a riding school and rents horse stabling to individualsand there facility is located in Torp in Hammarö municipality. In the fall of 2012 HRF begana project whose purpose was to ensure that the organization and facility are conducted in linewith the association’s mission, goals and visions. The reason for the extensive work was thatthe facility is worn and heavily neglected in terms of renovations and that many of thepremises don’t meet the requirements of the business. To assist the work HRF took help fromthe construction engineering program at Karlstad University and KLARA architects inKarlstad.

    The purpose of this report was to highlight and clarify the potential development opportunitiesfor HRF’s business at the current or a new location. The objective of this report was to presenta steering document that outlines some of the development opportunities. The steeringdocument should include a business analysis that describes the present situation and vision, alocality study of potential sites, an economic analysis to estimate the economic impact of eachalternative location and a conceptual proposal of a new horse stable and new site plan at Torp.Important issues that the studies should answer were which alternative location that wasconsidered to have the greatest opportunity to achieve a more appropriate facility with highquality, safety and availability in the long term, and that is considered to have the greatestopportunity to develop and expand the association's various activities.

    A literature study was conducted where laws, rules and theory of horse stables and itsfunctions were read. The business analysis was developed in consultation with HRF throughmeetings and field trips. The locality study was made as a SWOT analysis where strengthswere analyzed against weaknesses and opportunities against threats. The approach for thesketch and drawing phase to develop a conceptual proposal was to sketch out variousalternative proposals and to have regular meetings with HRF and KLARA architects. Theeconomic report was drawn up as a budget spreadsheet for all the buildings, which would bepart of each alternative location, where total investment cost including production, contractorand other start-up costs could be estimated.

    The result of the report was a detailed business analysis that specified HRF's goals andvisions. The locality study examined three potential alternative locations, one alternative wasdismissed and two alternatives were examined in more detail. One alternative was based onHRF's current location at Torp and the other on a new location at Sätter on Hammarö. Also,the economic impact for each alternative location was evaluated.

    The conceptual proposal resulted in a draft blueprint for a new horse stable and a new siteplan for Torp where the new horse stable was included. The conclusion was that HRF wouldhave more opportunities to meet their goals and visions if HRF moved to the new location atSätter. The economic report demonstrated that there would be a greater investment to relocateto Sätter than to remain on Torp, but that it could be justified as it would give HRF and otherstakeholders a greater opportunity for long-term development and contribute to a betterassociationism.

  • 33.
    Christensen, Dan
    Karlstad University, Division for Engineering Sciences, Physics and Mathematics.
    Prefabricerade eller platsbyggda tak: En jämförelse med avseende på ekonomi, arbetsmiljö och kvalité2007Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The main purpose with this diploma work is to compare the two production methods, premanufacturing and on-site construction. The goal is to deduce if one of the alternatives is more attractive than the other in view of economy, work environment and quality. To gather information about how the construction works, two various construction sites have been studied. The premanufactured roof was studied in Kristinehamn during the construction of an eventhall and for the on-site construction a sport arena in Årjäng. Information was also gathered through a literature study and by interviewing active persons in the building industry.

    The premanufactured roofs have been used in Norway with great success during a long period of time but are not that common here in Sweden. By increasing the understanding of the advantage and disadvantage of premanufactured building elements, they can be used with greater success. The building industry has under some time been pushed to build cheaper and faster, maybe the premanufactured element is the way to achieve this goal.

  • 34.
    Davidsson, Alexandra
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Fukt i relation till vind och temperatur i passivhus: Alsters föskola2017Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
  • 35.
    Denelin, Thomas
    et al.
    Karlstad University, Division for Engineering Sciences, Physics and Mathematics.
    Eriksson, Martin
    Karlstad University, Division for Engineering Sciences, Physics and Mathematics.
    Energideklarationsutformning2006Independent thesis Basic level (professional degree), 15 points / 22,5 hpStudent thesis
    Abstract [en]

    This report is about designing an energy declaration for constructions in Sweden. The declaration have been used for two houses. Acording to EU:s directive about energy declarations buildings that is going to be restored, sold or built shall go though a control by an energy expert. This is to get a document that shows how good or bad the construction is according to energy point of view.

    The law regarding these declarations will start apply 1st of October according the goverment. Transaction of these rules are suggested, specialbuildings and residens have to be declarated at the end of 2008. Remaining buildings have to be declarated from 1st of January 2009. The declarations in this report is done on a detached house that is located in the municipalty of Torsby and a flat house that is located in central of Karlstad.

    This is quite new and it has not been decided guiding principle of the design for the energy declaration. Boverket and the goverment got some suggestitions of this that should be included. To calculate the energy consume on the objects the program Enorm 1000 have been used. The declarations are based on energy that is consumed; this will be compared with a reference value. Measures is proposed to improve energy saving.

    The need of energy for the detached house is 124 kWh/m² and has 2 kWh/m² less consume than the reference house. The recommended measure did make the consume drop down to 92 kWh/m².

    The need of energy for the flat house is 102 kWh/m² and has 20 kWh/m² less consume than the reference house. The recommended measure did make the consume drop down to 97 kWh/m².

  • 36.
    Didner, Simon
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Miljöbyggnad i ombyggnadsprocessen: Miljöcertifiering av Jakobsbergsskolan i Kristinehamn2015Independent thesis Basic level (professional degree), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    Climate change is an increasingly widely known concept. In the EU the construction sector is responsible for more than a third of the carbon dioxide emissions and 40 % of the total energy use. In Sweden, measures have been taken to prevent this climate change. By 16 targets, three of which can be linked to the construction sector, Sweden will reduce the negative trend. None of the three goals with relation to the construction sector will however be achieved before 2020. One of the methods for changing this is to environmentally certificate more buildings, both existing and new constructions. The construction growth in the EU is around 1 % per year, which means that existing buildings represent a very large share of the construction sector and therefore its carbon footprint. To renovate existing buildings to a more sustainable standard is therefore of great importance.

    The aim of the study has been to see how the work with the environmental certification system Miljöbyggnad works with existing buildings and to examine whether it is possible to renovate the landmarked building Jakobsbergsskolan in Kristinehamn to any level within Miljöbyggnad higher than Rated, thus Bronze, Silver or Gold. The goal has been to develop a basis for Kristinehamn municipality that may be included in the process of decision-making for the redevelopment of the building. The foundation should consist of new drawings, documentation of the existing building and to show what measures are required to obtain environmental certification of the over one hundred years old school.

    To map the building, site visits have been made, including inspections and measurements of the windows, the garret was inspected to try to figure out how the building is constructed and photographs of the facade were taken to then be able to measure the building. In addition to the site visits, literature on Swedish building history have been studied and an experienced carpenter was consulted to get the best possible knowledge of how the building is constructed. Thereafter, the building was drawn in 3D in the program Revit 2014. Kristinehamn municipality has provided data to many of the indicators, such as radon and legionella. In addition, the building have been energy analyzed in VIP-Energy, the thermal climate has been examined by PPD-index and daylight climate investigated with the VELUX Daylight Visualizer. The building has been rated, whereupon appropriate measures were planned and regraded.

    Once all 16 of the indicators in Miljöbyggnad was checked, it turned out that the existing building only reaches the grade Rated and is in great need of refurbishment. The parts that require the greatest action for a higher rating are the buildings climate shell, the ventilation system and to overcome the moisture damage. After measures have been taken for most of the indicators, the building can be certified with a rating of Bronze.

    Conclusions that can be drawn is that the building needs to be significantly upgraded and it will require major efforts from Kristinehamn ́s municipality for a certification to be possible. If adequate measures are taken, the building will be certified with a rating Bronze. The study shows however, that it will not be possible to achieve Silver or Gold. A certification of the school, which was built in the late nineteenth century would, from Kristinehamn's municipality, show a great interest in sustainable development. It would also show that it is possible to combine the old, through cultural value, with the new, through an environmental certification. 

  • 37.
    Elg, Sebastian
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Ruijanrinne Backlund, Marcus
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Val av isoleringsgrad i prefabricerade småhus: En undersökning av livscykelkostnad och energianvändning2012Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Arbetet är en undersökning av vilken isoleringsgrad i klimatskal som leder till den lägsta livscykelkostnaden för ett prefabricerat småhus över en 50 års period. Arbetet är utfört åt husleverantören Arkos International AB som bygger och levererar prefabricerade hus.

    Undersökningen är avgränsad till att endast undersöka variationer i klimatskalets ytterväggar och fönster. Resterande byggnadsdelar utgår från deras typiska utformning vid en vanlig beställning till Arkos. Undersökningen tar hänsyn till var i Sverige huset byggs och vilken uppvärmningsform som nyttjas. Detta för att försöka få resultatet relevant för kunder i hela Sverige. De tre uppvärmningsformer som rapporten undersöker är fjärrvärme, bergvärme och pellets. Arkos bygger vanligtvis hus med fönstertyper från Traryd Fönster AB och med 245 mm isoleringstjocklek i yttervägg. Utifrån detta valdes det att arbetet skulle undersöka 195, 245 och 295 mm isolering i yttervägg samt två standardfönster från Traryd Fönster AB.

    För att säkerställa att undersökt hus uppfyller gällande normkrav för energihushållning har en jämförelse gjorts mellan husets energiprestanda och de krav som står angivna i boverkets byggregler. Energiberäkningar har visat att samtliga fall som undersöks klarar dessa krav. De olika valen på utformning av husets klimatskal har vägts mot varandra med hjälp av livscykel­kostnadsberäkningar.

    En investering i energieffektivare fönster var alltid motiverat. Uppvärmningsformen fjärrvärme gav huset lägst livscykelkostnad i samtliga klimatzoner.

  • 38.
    El-Kazemi, Bashar
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Hållbar renovering: En studie avseende social hållbarhet2011Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    Abstract

    In this thesis I focus on social sustainability in the deeper sense in order to examine and define measures and procedures, which aims to be suitable for the construction company NCC and its concept Hållbar renovering (a concept developed by NCC, focus on sustainable solutions). I base my study on previous academic research, government investigations (including investigations on so called the million program), and also highlight residential area – Orrholmen - as a source of inspiration. I obtain my empirical data from interviews with three different companies within construction sector - NCC, Karlstads Bostads AB and brunnberg & forshed AB.

    In my analysis, I focus on sustainable development, social sustainability, lack of and potential of the million program, garden, common and public spaces, mix of housing and businesses, various forms of tenure, and measures and design from social sustainability point of view. Furthermore, I analyze the most relevant contributions from Orrholmen.

    In summary; my conclusions show that social sustainability is a dynamic and complex dimension and also its measures. The core of social sustainability is man, and the promotion of her welfare. The measures which are intended to complement Hållbar renovering should be selected and processed with a genuine care. The participation of residents before the refurbishment, in combination with the disposal of the actual problems in the neighborhoods, creates positive and beneficial results.

    The most important measures are the mixture of both buildings as residents groups, low-scale buildings, and mix of different tenures.

    Unmeasurable values such as identity, location, feeling, beauty, and participation adds value and enriches areas. Unmeasurable values should be guidelines for the design and renewal processes for both housing and urban environment, which is one of the key findings in this thesis.

  • 39.
    Elofsson, Andreas
    et al.
    Karlstad University, Division for Engineering Sciences, Physics and Mathematics.
    Hallin, Mikael
    Karlstad University, Division for Engineering Sciences, Physics and Mathematics.
    Självkompakterande betong: Ytjämnhet utan efterbehandling2006Independent thesis Basic level (professional degree), 15 points / 22,5 hpStudent thesis
    Abstract [en]

    Concrete moulding is a heavy moment in the building process and for a long time contractors have used an admixture to create a concrete that is easier to handle. However many hours of work and heavy moments has been required. After laser levelling, vibrating, screeding and troweling a surface that is almost flat has been obtained. Yet not flat enough to eliminate floor levelling and thereby avoiding bending parquet flooring or curved plastic flooring.

    Self-compacting concrete (SCC), or vibrating free concrete as it was named in the beginning, was developed in the eighties in Japan and showed up in Sweden in the late nineties. It is a concrete that contains an admixture and filler that together makes the concrete flow under its own weight, completely filling the formwork and achieving full compaction, even in the presence of congested reinforcement. SCC is approximately 10-15 % more expensive than traditional concrete but is motivated with faster construction times, fewer workers and an improved work environment.

    Since SCC just about flows the resulting surface becomes almost perfect. Experience shows that surfaces are nearly perfect after laser levelling, screeding and dry smoothing. Despite the advantages of the flat surfaces and the established improvement on the work environment, AB Färdig Betong in Karlstad, Sweden has only delivered SCC to eight projects since 1997.

    The aim of this degree thesis is to determine if SCC can be motivated based on the flat surfaces that can be obtained after moulding compared to traditional concrete.

    The degree thesis has been performed in cooperation with Skanska Sverige AB in Karlstad, Sweden at their two projects with SCC in spring 2006. The measurement of SCC surfaces was made in Färjestad, Karlstad and reference measurements of traditional concrete was made in Karlstad and surroundings. The measurement have been complemented with interviews that present experience of producing, delivering, receiving, moulding and after treating SCC.

    The requirements for on site moulding concrete surfaces that are to be followed are found in Hus AMA 98 and is defined as curve, rake and level variance. The result from the measurements are judged on the basis of the requirements.

    Conclusions

    Correctly performed SCC can create a surface that fulfils the requirements in Hus AMA 98 for a class B floor.

    The use of SCC in larger housing constructions makes conditions for a lower total cost. This is based principally on fewer workers, faster construction times and less after treatment of the moulded surfaces.

    The confirmed possibilities of improved surfaces after moulding should mean that more contractors will use SCC in the future.

  • 40.
    Engdahl, Victor
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Fuktsäkerhet i passivhus: Alsters förskola2015Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Sammanfattning

    Fuktskador drabbar många hus i dagens Sverige, ca 750 000 byggnader tros vara drabbade. Fukt ställer till problem på flera sätt. Det kan gälla skador på konstruktionens hållfasthet och beständighet, en minskad isolerförmåga, dålig lukt, eller att skadliga ämnen tillkommer inomhusluften med sjukdomar som följd. Fukt bidrar till en miljö som är gynnsam för mikrobakteriell tillväxt. Mikrobakteriell tillväxt är framförallt svamp och mögeltillväxt.

    För att en mikrobiell tillväxt skall kunna ske så krävs dock att ett antal förutsättningar slår in vid samma tillfälle. Det krävs generellt sett att det finns en relativ luftfuktighet på minst 75 %, en temperatur väl över 0 °C och att det finns tillgång till organiskt material för att en mikrobiell tillväxt skall starta. Riskerna för mikrobiell tillväxt har identifierats till ett antal konstruktions- och materiallösningar som därav klassas som riskkonstruktioner. De konstruktionstyper som rör Alsters förskola är parallelltak samt träregelväggar.

    Passivhus är hus som är energieffektiva och har ett tätt och välisolerat klimatskal. Titeln passivhus tilldelas de hus som uppfyller de krav som finns i FEBY12 för svenska passivhus. Passivhus är en relativt ny företelse på den svenska bostadsmarknaden och det finns sparsamt med litteratur rörande dessa konstruktioners fuktsäkerhet. Den tjocka isoleringen och den höga tätheten bidrar till att det är låg tolerans för byggfukt i konstruktionerna. Det har visat sig att det finns ett generellt problem med passivhus när det kommer till fuktskador och det är i ytterväggens yttre skikt. De reglar som finns direkt bakom vindskydd och fasad löper en risk för att bli fuktskadade.

    Alsters förskola är en byggnad i passivhusstandard. Vid en granskning av konstruktionen verkar det vara en relativt fuktsäker byggnad. Det finns få köldbryggor och konstruktionen verkar inte ha några direkta brister när det kommer till fuktsäkerhet. Fuktmätare har placerats på skolan för att se om de områden som tidigare nämts som problemområden visar på en risk för fuktskador. Mätningen har under detta arbete pågått i 98 dagar från den 23 april till den 30 juli.

    Resultatet från mätningarna visar att kritiska nivåer för mikrobiell tillväxt överskrids av samtliga mätare. De tidsspann som kritiska nivåer överskrids är dock korta och risken för mikrobiell tillväxt bedöms som liten. 

  • 41.
    Engström, David
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Larsson, David
    Karlstad University, Faculty of Health, Science and Technology (starting 2013).
    Hållbar stadsutveckling i kulturhistorisk miljö: Utveckling av kvarteret Almen i Karlstad2013Independent thesis Basic level (professional degree), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Gamla kvarter och dess historia är något som bör tas omhand. Men städerna växer och kräver större plats och effektivare användning av mark.

    Rapporten beskriver olika sätt att tillämpa hållbar utveckling för ett stadsområde med kulturintressen, detta med bevarande och stärkande av dess kulturhistoriska värden samtidigt som en utveckling sker.

    Området som har valts som exempel är kvarteret Almen i Karlstad. Kvarteret är relevant i sammanhanget då det pågår utredningar runt kvarterets utveckling. Kvarteret Almen har även flera kulturbyggnader. Arbetet har genomförts tillsammans med Sweco Architects i Karlstad och Karlstad kommun.

    Projektet har som mål att utveckla området i de sociala och ekologiska aspekterna av hållbarhet, samtidigt som kulturintressena tas om hand. Tanken med projektet är även att de resonemang som görs rörande området även ska kunna appliceras på liknande projekt och områden.

    Till grund för arbetet låg en teoristudie, förundersökningar och utredningar. Förundersökning och utredningar gjordes bland annat med SWOT och platsanalyser, teoristudien konkretiserades med hjälp av en egen framtagen metod. Dessa kom att forma ett förslag för utvecklingen av kvarteret. Förslaget presenterades med hjälp av CAD programmet Revit Architecture med tillhörande, skriftlig, utvärdering.

    Förslaget visar ett kvarter som har gått från att vara otryggt, otillgängligt och instängt till ett öppet och livfullt område. Det markerar Karlstads historia där dåtid möter nutid och framtid. Stadsområdet erbjuder även pedagogiska funktioner som kan öka förståelsen för hållbarhet och miljöpåverkan. Och förhoppningsvis kan det även leda till en eller två ”aha uppleverser” för människor som vistas där.

    Ämnet är omfattande och har oändligt med aspekter. Därför är det viktigt att avgränsa arbetet till ett konkret område. Det underlättar arbetet och ger det ett konkretare resultat. Utveckling betyder inte alltid att gammalt får lämna plats för nytt utan att det går att göra mycket med rätt inställning, attityd och värderingar. 

  • 42.
    Engström, Tobias
    et al.
    Karlstad University, Faculty of Technology and Science.
    Johansson, Jesper
    Karlstad University, Faculty of Technology and Science.
    Projektera och producera en fuktsäker byggnad: En studie som klarlägger ansvarstagandet och hur kommunikationen mellan aktörer kan förbättras2007Independent thesis Basic level (professional degree), 15 points / 22,5 hpStudent thesis
    Abstract [en]

    Previous studies show that the responsibility of humidity is vague and that the transference of the knowledge between the building project actors fails. This can lead to health problem among the users of the building.

    The first of June 2006 Boverket released a new collection with rules of construction which contains more specified rules to guarantee a secure humidity construction.

    The purpose with this report is to clarify what kind of changes the actors need to do, to fulfil the new rules of construction from Boverket. The purpose is also to clarify risks with how the information is transferred between actors and what kind of responsibility the actors have in the different phases of the building project.

    The report is based on a study of different literary works which in theory describes how the actors should pursue their work for securing humidity and also describes which actor is responsible in the different phases of the building project. For the report a specific building project is studied where different actors in different phases of the project has been interwieved. From the replys of the interwievs the risks and improvements for securing humidity is showed.

    The result of the study clarifies that improvements can be done in this project. The orderer of the project doesn’t create demands from humidity point of view. To minimize misunderstanding of where the responsible lies in the different phases of the project, the orderer should create demands and also clarify which actor who is responsible for fulfilling the demands.

    In this case the design engineer sends his building papers to the orderer of the project which further sends the paper to the contractor. To minimize misunderstandings between planning and production, the design engineer should meet up with the contractor to explain his intendancy with his building papers.

    In this building project the architect often listens to the supplier of material. If more knowledge is connected to an earlier phase of the building project, most of all a humidity expert, it will increase the chance for a well formed program.

    To fulfil the new rules of construction from Boverket the contractor needs to change his routine for the receiving of materials.

  • 43.
    Eriksson, Per
    et al.
    Karlstad University, Faculty of Technology and Science.
    Trygg-Svensson, Sebastian
    Karlstad University, Faculty of Technology and Science.
    Österbring, Magnus
    Karlstad University, Faculty of Technology and Science.
    Energibesparing åt Klövern AB: Förslag på åtgärder för minskad driftkostnad för Klövern AB’s fastigheter2010Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    The real estate company Klövern LTD manages 45 properties in Karlstad. With rising energy prices the necessity to be more energy efficient in their properties to reduce costs, increases. The reports purpose is to examine three of Klöverns worst properties concerning high energy consumption. The goal is to introduce energy saving measures to Klövern which will be used as a basis for future investments. LCC-analyses are made to examine whether or not different modifications and installations are profitable. Sensitivity analysis is done for the most viable options to clarify the uncertainty in the calculations e.g. investment cost, inflation. The recommended actions have a positive LCC-value under their life-span, the ranking of these alternatives are then made after how much they yield under their life-span. The three properties that are examined are Gripen 11, Blåsten 4, Styrmannen 5. For Gripen 11 surveys where made for the possibility of installing solar panels, installation of  new heat exchangers to some of the ventilation system and to put in additional insulation in certain parts of the property. Results show that the best energy saving measures is to increase the temperature efficiency of heat exchangers in system one which gives a saving of approximately 135 000 kWh/year, and to optimize the operating time of system two resulting in a saving of approximately 17 000 kWh/year. Installation of 110 square meters of solar collectors provide an annual energy saving of approximately 48 000 kWh/year. Blåsten 4 consists of a main building with four ventilation systems and a warehouse with heat pumps. For this property, studies where made as to the effect of replacing three ventilation systems (2, 3 and 4) with one new ventilation system with a heat exchanger. Studies have been undertaken for the profitability of changing the heating system from, the current situation, heating by electricity. New heating systems that were investigated where geothermal heating, district heating, a combination thereof, and air/water heat pump. The replacing of the heating system includes an installation of radiator systems. Analyses of the profitability of solar cells and solar panels have also been made. The results show that to modify the ventilation systems, as described above, provides an energy saving of approximately 235 000 kWh/year. Replacing the heating system with district heating will increase the energy consumption by about 70 000 kWh/year, but will give a saving of approximately 130 000 SEK/year because district heating is a cheaper alternative than heating with electricity (SEK/kWh). Installation of solar panels, with grants from Boverket, is profitable and provides an energy saving of about 8800 kWh/year. Styrmannen 5 consists of two office buildings. The buildings are independent but bound together by an underground garage which is heated to 12 degrees. Three ventilation systems with heat exchange and one exhaust system without exists in the buildings. Similar conditions apply to both buildings, large parts of the facades are made up of windows and the heat exchangers in the ventilation systems have a rather high efficiency. Between the houses there is a park which is heated by ground heat in the winter to keep it free from snow. Studies were made to examine the effects of installing a new heat exchange system with high efficiency to reduce energy use, rebuild one of the ventilation systems in order to use the exhaust air to heat the garage, al together turn off the heating of the garage and to remove the snow manually instead of using ground heat. The results show that installing a new heat exchange systems will not be profitable. Rebuilding one of the ventilation systems to heat the garage is profitable and saves approximately 140 000 kWh/year. The measures to manually remove snow in the winter instead of ground heat, and turning of the heating of the garage would save about 180 000 kWh/year respectively approximately 95 000 kWh/year.

  • 44. Eriksson, Stefan
    Förslag till utökning av antalet gästboxar på Färjestadstravet2008Independent thesis Basic level (university diploma), 15 points / 22,5 hpStudent thesis
    Abstract [en]

    Färjestadstravet needs to increase the number of boxes for guest horses with 30. Should this be done by building new boxes for guest horses? Or should a new longtime stable be built, and some of the existing stables be rebuilt for guest horses? Which lay out is suitable for the stable? Where on the stable yard should it be located?

     

    To solve this, I’ve looked on which practical solutions the different type of stables needs, and made some economical estimate estimations. Thomas Söderberg who is manager over constructions on Färjestadstravet asked the trotter trainers if they were interested in renting a new stable. Most of them were interested but no one was willing to pay more in rent than they do today. That makes it more favorable to build new stables for guest horses, since they yield a little better return, and are cheaper to build, since a guest stable needs less space.

     

    This work has led to a recommendation of a building containing 30 boxes for guest horses with chance to shaft the horses. The 30 boxes will be divided in three passages and four shower boxes will be built in the south gable. The new building will be placed next to the entrance to the stable yard

  • 45.
    Erlandsson, Tobias
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Larsson, Henrik
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Låssystemproblematiken under entreprenad: En checklista för att underlätta processen och undvika komplikationer2013Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Detta arbete är ett samarbete med Markbygg Construction AB. I byggbranschen finns det en problematik med låssystem. På grund av olika faktorer, som bristfälliga föreskrifter och brist på kunskap inom ämnet, kan extra resurser behövas i slutet av projektet för olika korrektioner.Syftet med det här projektet är att skapa ett system för att hantera låssystem under entreprenad, så att komplikationer kan undvikas. Målsättningen är att skapa en checklista som visar att funktionskraven för ett låssystem i en byggnad uppfylls. Checklistan ska förhindra att extra arbeten uppstår i slutet av projektet. Det behövs en avgränsning eftersom det inte är relevant om ett lås öppnas med kortläsare, bricka, kod eller via porttelefon. Det som är viktigt är att låset i sig är kapabelt att ta emot en elektrisk signal som berättar för låset att det ska öppna sig. Projektet inleddes med en inläsningsperiod i ämnet för att kunna konstruera ett teoretiskt underlag som checklistan ska baseras på. Teorin består av fyra olika delar som behövs för att konstruera checklistan.

    Brand & UtrymningInbrottsskydd Funktioner Utformning av checklista

    Efter teorin var färdigställd så utformades checklistan från koncept till ifyllbart PDF-dokument. Efteråt kompletterades checklistan enligt Markbyggs önskemål. Resultatet blev en enkel och lättförståelig checklista som kommer att användas som hjälpmedel under projektering och produktion. Det finns utvecklingspotential för checklistan och många områden som den skulle kunna utvecklas i, exempelvis integration med CAD-program. Förhoppningen med checklistan är att den ska kunna vara med och bidra till en hållbar utveckling genom att undvika fel under entreprenad. Ambitionen är att på det sättet spara in på både transport-, arbets- och materialkostnader.

  • 46.
    Ewen, Robert
    et al.
    Karlstad University.
    Andreassen, Tim
    Karlstad University.
    Partnering på Carlstad Conference Center: En jämförelse åt Byggbolaget i Värmland AB2010Independent thesis Basic level (degree of Bachelor), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    Partnering is a new and exciting way of cooperation in the Swedish construction industry. In countries like Denmark and the United Kingdom the concept has been developed during a number of years while the Swedish construction industry has been more reluctant.

    Partnering is seen by many as the solution to the problems that often occur in design and build contracts. Many others believe that it is a way for the big entrepreneurs to gain unfair advantage. Never the less the concept is fast getting more and more appreciation, especially in the region of Karlstad where many new buildings are built that way.

    We have focused on the new development of Carlstad Conference Center (CCC) which is currently built with a partnering concept. The main method that have been used in this thesis are interviews with personnel on different positions in the project. We have interviewed the following categories of personnel: Project Manager, Main Contractor, Foreman, Architect, Constructor and Subcontractors.

    The purpose of this thesis is to describe how the partnering cooperation at Carlstad Conference Center works and how this approach differs from a traditional design and build contract. The goal is then to describe the differences in economics, organization and quality.

    We have found that partnering is an excellent way of cooperation in projects that are highly complex and where the client can´t really define his product. In projects that are more of a standardized nature the design and build contract seems better. We have also found that it is positive that the main contractor is involved together with the architect and the constructor in the early stages of the project and contributes with his knowledge on how to build in an effective way.

    From an economic point of view we have found that the profits that the contractors make in a partnering project are not as big as it may have been in a traditional design and build contract but on the other hand it´s almost impossible to make a loss which makes it a safe way to build. We have also found that it´s a more simple way of working since the involved parties don´t have to argue about extra costs and additional works.

    When it comes to the quality of the finished product the views varies depending on who you ask. Generally speaking it´s the main contractor that believes the quality should end up the same as with a normal design and build contract. Almost everyone else believes that the quality should get better.

    Everyone that has been interviewed believes that partnering is the best way to build projects like Carlstad Conference Center.

  • 47.
    Fredriksson, Eric
    et al.
    Karlstad University, Faculty of Technology and Science.
    Svensson, Mattias
    Karlstad University, Faculty of Technology and Science.
    Fuktsäkerhetsbedömning med Wufi2009Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [en]

    Moisture safety is a rising concept in the construction industry and building designers spent

    more and more time on the moisture safety designs. Moisture is complicated to calculate and

    the use of a calculation program could make the process easier. Wufi is a German moisture

    calculation program that recently has been presented in a Swedish version. WSP has invested

    in the program to better assess the moisture safety in structures. WSP was interested in a study

    of Wufi to facilitate the introduction of the program in the company. The objective of this

    report is to clarify how the basic parameters are to be considered in the program and how

    reliable the program is.

     

    In order to make an evaluation possible the process started with self-study of the program, and

    ended with a short education in the program. After this a number of parametric tests were

    conducted in the program to answer how these should be dealt with. For the assessment of the

    reliability of the program a major study on plaster walls with different plaster system was

    made. The results were compared with the problems that have occurred on these structures.

     

    The parameter tests shows that material properties have a major impact on the outcome and it

    is therefore important to use materials in the right way and with the right values. The test of

    time steps indicates small difference in outcome. Calculations in the program can therefore be

    carried out with an hour time step and thus minimizing the calculation time.

     

    Used correctly, the Wufi program and its parameters provides reliable results. The result from

    the plaster walls in Wufi follows the implications and discussions that have aroused about the

    plaster on wood frame. However, the application is entirely dependent on what you choose for

    input and material properties. If these are not carefully controlled, there is a risk that the

    results are wrong and the reliability of the program is then gone.

     

    For the program to reach a useful position in an organization such as WSP, an update of the

    material database ought to be done. This increases the usability significantly and building

    designers who do not normally work with building physics could then be able to determine

    the moisture safety in a construction. In order to maintain control over moisture safety,

    however, there should be clear policies for how the program should be used.

  • 48.
    Frid, Johan
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Wormö, David
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Vattenskadesäkert byggande i badrum: Följs branschregler?2012Independent thesis Basic level (professional degree), 15 credits / 22,5 HE creditsStudent thesis
  • 49.
    Haggärde, Jakob
    et al.
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Danielsson, Joakim
    Karlstad University, Faculty of Technology and Science, Department of Energy, Environmental and Building Technology.
    Beteendets inverkan på säkerhet: Varför gör vi inte som vi säger?2012Independent thesis Basic level (university diploma), 15 credits / 22,5 HE creditsStudent thesis
    Abstract [sv]

    Byggbranschen är en olycksdrabbad bransch där många allvarliga olyckor inträffar. Skanska Sverige AB arbetar hårt med att minska antalet olyckor och säkerhetsarbete är något de prioriterar högt. Denna rapport har genomförts på uppdrag av Skanska Värmland. Syftet var att ge förslag på hur arbetsmiljön och säkerheten kan förbättras inom Skanska genom att belysa var problemen finns och vad man kan göra utöver det man redan gör idag för att komma vidare med utvecklingen.

    Underlag till rapporten är en teoristudie om hur Skanska arbetar med säkerhet idag och vilka lagar och regler som finns. Det är även en intervjustudie, där säkerhet och säkerhetsarbete diskuterats med anställda på olika positioner inom Skanska och Arbetsmiljöverket.

    Rapporten belyser de problem som finns gällande beteende och attityder inom byggbranschen, och konsekvenserna av dessa. Mycket har gjorts gällande lagar, regler och rutiner som rör säkerhetsarbete och det är nu en beteendeförändring som måste till för att kunna fortsätta att minska antalet olyckor. Idag läggs visst fokus på att försöka förändra dessa beteenden på individnivå för att åstadkomma ett bättre säkerhetsklimat. Forskning tyder dock på att det kan vara effektivare att försöka förändra säkerhetsklimatet från andra hållet, genom att arbeta med ledningens signaler och gruppens värderingar. I en väl fungerande organisation där ledaren sänder tydliga signaler om prioritering på säkerhet uppfattar gruppen vikten av säkerhetsarbete som tydligt och ett bättre säkerhetsklimat uppstår. Detta påverkar i sin tur individens beteende och leder till en högre säkerhet.

    Viktiga faktorer för ett bra säkerhetsklimat inom en grupp eller organisation är;

     Ett starkt ledarskap som tydligt prioriterar säkerhet.

     En fungerande organisation där rutiner och planering fungerar.

     Att en riskuppfattning finns och att risker inte accepteras.

     Att en prioritering på säkerhet kontra produktionsresultat är tydlig.

     En kompetens hos alla inblandade.

     En positiv attityd till säkerhetsarbete.

  • 50.
    Hansson, Anna
    Karlstad University, Division for Engineering Sciences, Physics and Mathematics.
    Egenkontrollsystem: Con-Form Töcksfors AB2006Independent thesis Basic level (professional degree), 15 points / 22,5 hpStudent thesis
    Abstract [en]

    The company Con-Form Töcksfors AB manufactures bathroom modules. Their existing self control system is lacking and it’s missing in routine. From this follows that it is hard to prove that damages discovered after delivery are not caused by Con-Form Töcksfors AB. The goal of this project is to design a self control system for Con-Form Töcksfors AB encompassing both planning and production.

    The working thesis for this paper is as follows: How should a self control system be constructed so that Con-Form Töcksfors AB know they deliver goods of the right quality and how should this new system become routine and a natural part of the work procedure.

    To do the self control system as thorough as possible a study of both planning and production is necessary. In order to design a new control system, the author was responsible for the planning of Steinhammerveien, Oslo. A longer on-site study of the manufacturing of bathroom modules, with detailed observations of the procedures, has also been made.

    The present system consists of three parts, control of the managing of drawings, plasticized drawings and a checklist in the production stage.

    In the new system three parts have been added: a checklist to be used in the planning stage, posters and an index to be used in the production stage.

    These new additions cannot replace the old control system but should be seen as a complement. All parts of the old system will there for remain.

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