Legionella can be prevented, the question is how. This report is a degree in construction engineering education at Chalmers University in Gothenburg. A comprehensive written publication for Legionella-safe plumbing installations is not available and therefore requested. The purpose of this report is to present preventative measures against Legionella bacteria growth in tap water and in other systems where Legionella bacteria are a potential problem. Technical solutions are presented including how different systems function and what their advantages and disadvantages are.

In most software engineering project, users are only involved in the beginning of the project as a help to design the requirements specification but users can be involved after this phase too, but is it effective to do so? With this report we would like to investigate how effective it is to involve users after the requirements specification has been written and approved. To find out how effective it is to involve the users we try some fast and simple involvement techniques on a quite far gone project. These techniques include ethnographic studies, prototypes and surveys. We also interviewed a couple of people who work with usability and finally delivered a report with our results to them to find out if they found our result relevant. By also documenting how much time we spent involving users we will show to which degree user involvement is effective. We found out that a couple of fast techniques could get very much result in the form of usability enhancing suggestions to the developers.

Denna rapport behandlar vårt examensarbete som genomfördes i samarbete med Metso Dynapac. Uppdraget bestod av att ta fram ett högmonterat avgassystem för jordpackningsmaskinerna CA 252/302/402-Vibratory Roller. Dagens avgassystemsystem är bakåtmonterat och slutar under och bakom kylaren. Ett högmonterat avgassystem finns som tillbehör och fästes på det bakåtmonterade systemet. Problemet är att befintlig ljuddämparplacering försvårar kylluftens passage genom motorrummet,vilket får till följd att en onödigt stor fläkt krävs för att få tillräckligt luftflöde genom kylaren.

The content of the following report is the summarized result of three students thesis at Blekinge Institute of Technology in co-operation with Water Jet Sweden AB. This report will give the reader a description of principles how to measure the abrasive mass flow in a waterjet cutting system. The work began with a visit to Water Jet Sweden AB to get a closer look at the problem. When the analysis of the problem was done the criteria were defined in the form of demands and desires. The main task of the criteria was to guide the search for the solution. The work proceeded with an extensive search for abrasive flow meters along with obtaining information about flow measurement in general. When the search for abrasive flow meters resulted in nothing all the efforts were concentrated on finding a principle of measurement that could cope with the criteria.

The goal of this project was to make the requirement process at the Swedish Coastguard more effective. The first step to achieve this was done by locating bottle necks in the process with value stream mapping method. The result of this study showed that the biggest restriction in the requirement process was while examining older requirement documents to understand what elements were suitable for the particular project. This was followed by a study of literature, interviews and theory of Lean Production with the ambition to investigate how the requirement process was handled on other companies and how to improve the process on the Swedish coast guard. This led to a number of potential enhancements of the process which later was evaluated. Requirements written by different people in different organizations were analyzed in order to sort out if there were some similarities? which could be used as standard elements in a future standardization of the process.

This major project in Building Engineering has its focus on inquiring into what methods has been used in the planning process of the residential buildingLjusbojen 1. This project has been conducted in cooperation with Kadesjös Ingenjörsbyrå AB, an engineering contractor firm which also acts as the property developer. Initially several different general methods for planning residential buildings have been presented. After the methods from the process of building Ljusbojen 1 has been analyzed compared to the general methods presented in part 1. This shows what the determining factors are during the planning process; factors such as cost, quality, time management, know-how and environmental issues.

Arbetet redovisar möjligheten att parametrisera 2D-ritningar hos Solyvent Fläkt AB. Flertalet koncept har utvecklats och det mest lämpade konceptet har valts ut genom en konceptjämförelse där konceptens för- och nackdelar har vägts mot varandra. Konceptjämförelsen har slutligen presenterats för företaget..

Alstom Power Sweden AB in Norrköping isexpanding their business in the presentsituation and has implemented aprocedure for reverse engineering as apart of this work. Reverse engineeringat Alstom is an extensive procedurethat is calculated to be performedunder very time demanding conditions.This thesis is a continued exertion ofthe implementation process in order toidentify and describe the mostimportant process steps in purpose to beable to manage and improve theprocess.This thesis was written with twoprimary objectives. The first was todescribe and map out the procedure torecreate technical data of a turbineblade, based on a validation of thereverse engineering process that hasbeen performed at Alstom in Norrköping.The second purpose was to describe thekey factors to achieve successful usageof reverse engineering that have beennoticed in the literature study.The work is based on a literature studyon the subject reverse engineeringwhich produced the theoreticalknowledge of the method to reproducetechnical data to a product. Theliterature study has also led to adescription of reverse engineering froma legal perspective to clarify how farit is allowed to apply the methodaccording to the patent laws. With theliterature study as support and furtherhelp and guidance from individualswithin the reverse engineering unit atAlstom, a complete picture andunderstanding of the process has beenproduced and documented..

Den här rapporten tar upp ett annorlunda hot mot informationssäkerheten, som inte hårdvaraeller mjukvara kan stoppa. Detta hot kallas för social-engineering, och det som gör detta hotfarligt är att de anställda och chefer i en organisation, kan hjälpa utövaren av socialengineeringutan att de själva vet om det.Det går inte att förhindra att dessa attacker sker, men man kan förhindra de negativakonsekvenserna av en sådan attack. Denna rapport tar upp hur man ska göra för att enorganisation ska kunna fortsätta med sin verksamhet, efter en attack av social-engineering. Ivärsta fall kan en attack av social-engineering innebära att ett företag aldrig återhämtar sig.Detta kan bero på att organisationen har förlorat alla sina kunder, förlorat marknads andelar,eller för att de ansvariga och viktiga personerna i organisationen har blivit dömda föroaktsamhet och sitter i fängelse.Denna rapport ska informera och få er att vara uppmärksamma och medvetna om dessahot, som ni kanske inte vet finns. Ni ska få kunskap och lära er känna igen de olikaförklädnaderna en utövare av social-engineering antar..

Social engineering handlar om metoder för att infiltrera organisationers datorsystemgenom att manipulera eller utnyttja användarna för att komma över information. Det är idag ett betydande säkerhetsproblem eftersom få organisationer utbildar sin personal i att hantera den här typen av angrepp. Med den här uppsatsen vill vi undersöka fenomenet. Intervjuer har utförts inom en stor organisation för att få inblick i hur stor medvetenheten om fenomenet är och vad som görs för att skydda sig emot det. Det finns tydliga tecken på att social engineering fortfarande är ett relativt okänt område som inte har spenderats tillräckligt med resurser på.

Syftet med detta examensarbete har varit att införskaffa lämplig utrustning till förbearbetning och oförstörande provning. Utrustningen ska användas till rör som svetsas på insidan. Arbetsgivare är Areva Uddcomb i Karlskrona. Vi har använts oss av metoder från Fredy Olson. Detta för att få en enkel och sammansatt struktur i arbetet. Problemställningen har såvida varit att bearbeta rören på insidan för att kunna applicera en svets och att kunna lokalisera om en defekt uppkommit i svetsen.

Detta examensarbete har utförts i samarbete med Svedala Compaction Equipment AB. Examensarbetets primära mål var att reducera höjden på ROPS tillhörande asfaltvält CC 422. En sänkning medför ett friare vägval och billigare transporter. Hittills har vägvalet påverkats av broar, viadukter och andra hinder. Med hjälp av riktlinjer från Svedala Compaction Equipment AB och Fredy Olssons modell för integrerad produktutveckling togs kriterier fram, vilka användes vid bedömning av olika lösningsförslag. Utvärderingen resulterade i att två av de tio ursprungliga förslagen gick vidare till nästa steg i produktutvecklingsprocessen - primärkonstruktion. Primärkonstruktionen inleddes med vidareutveckling av de två principförslagen.

When harvesteing ley there is always mechanical losses from the harvest machines. During the last years the roundbalers with knives,cutting the material-are more common, This use increase the mechanical losses of material. MATERIALS AND METHODS The roundbaler which used in this test was a Krone Vario Pack 1500 Multi Cut. This roundbaler has 17 knives. The theoretical length of cut was 64 mm. During the test we stretched a rubber tarp under the balechamber and collected the materials which fell down from the balechamber.

This thesis of 15 hp has been implemented at Halmstad University, in collaboration with Saab Dynamics in Linköping. Saab Dynamics is a company operating in the defence industry where competition is tough. This necessitates new ways to increase efficiency in the company, which is the basis for this thesis. Saab Dynamics wants to introduce simulation driven design. Since Saab Dynamics engineers have little experience of simulation, required a user methodology with clear guidelines.

The aim of this report is to improve the fire safety at Hallsta Paper Mill in Hallstavik, Sweden. In order to do so large parts of a fire-protection management system for the paper mill has been created. The report begins with giving a general description of management structures and fire-protection management systems. An account is given for how management structures are designed, and how they should be implemented, maintained and updated. Thereafter follows a description of what routines and instructions should be included in a fire-protection management system..