This degree projekt deals with Skanska´s safety at the construction site with focus on personal safety equipment. The purpose of this dissertation is to examine how the rules of personal safety equipment are applied and experienced at Skanska´s construction sites.In October 2004 Skanska started a projekt to make the construction sites more safe. With use of a questionnaire we have made a survey at different construction sites. 80 questionaires have been handed out to Skanska´s employees in the southeast region. While they were handed out we conrolled if the employees at Skanska´s construction sites used head protection, easy visible clothing, safety shoes and identification cards.The result of the survey shows how the rules are applied.

High housing- and construction costs is a fact in Sweden today. Prices on building materials more rapidly than producer price index for industrial goods. Prices tend to rise during market boom but does not adapt during diminishing demand. The effects of fading demand can rather be deduced through discounts and quotations. During 1992-1998 when the Swedish construction sector found it self in severe crisis the prices of construction materials kept rising more rapidly than PPI for industrial merchandise.

In 1997, the Swedish parliament adopted a decision on Vision Zero (nollvision) in the road and transport system. Vision Zero means that no one should be killed or seriously injured in traffic accidents in the road transport system (Prop. 2003/04: 160). For the Transport Administration in Sweden (Trafikverket), this means increased demands on security and signage at road work sites around the country. This in turn means increased demands on the contractors that carry out road work for the Transport Administration.

This master thesis has been performed at Vattenfall Power Consultant in Gothenburg and Trollhättan for Vattenfall Vattenkraft. In this report vacuum circuit breaker in small-scale hydropower stations with the rated power 4 MVA and below has been studied. Models of the stations are modeled and analyzed in PSCAD/EMTDC to study the high voltage transients that are created after current chopping with vacuum circuit breaker. Vacuum circuit breaker may chop the current before it reaches zero value, which means that high voltage transients can be created. The equipment of the stations can be destroyed by high voltage transients.The purpose of this thesis is to examine the use of vacuum circuit breaker in small-scale hydropower stations and the risk for high voltage transients from current chopping.According to the results there is a risk of high voltage transients after current chopping with small synchronous generators in stations with the operating voltages 0.4 kV and 3.6 kV.

Revisionsberättelsen är ett viktigt verktygför kommunikationen mellan revisorerna och in­tressenterna. Dagensrevisionsberättelse är väldigt standardiserad och i samtliga delar finns detförslag till exakta formuleringar. Enligt tidigare forskning finns det enintressekonflikt mellan intressenterna och revisorerna. Denna konflikt handlarom att intressenterna vill ut­vidga informationsinnehållet irevisionsberättelsen vilket revisorerna är kritiska till eftersom detta skulleinnebära mer ansvar och mer att stå till svars för. För att lösa denna konflikthar revisionsberättelsen debatterats flitigt och i en debatt diskuteras om mankan göra revisions­berättelsen intressantare genom att betygsätta företag iexempelvis intern kontroll och bolagsstyrning.

Bakgrund: Den forskning som presenteras visar hur lärare kan stimulera barns språkutveckling genom olika verktyg, såsom sagor, högläsning, rim och ramsor, lek och språklekar. Även kommunikation och begreppet språklig medvetenhet beskrivs.Syfte: Syftet med denna undersökning är att studera lärarnas syn på språklig stimulansi förskola och förskoleklass. Syftet är att undersöka hur lärarna menar att de arbetar medspråklig stimulans, för att barns språkutveckling ska gynnas.Metod: Vi har använt oss av kvalitativ metod. Tillvägagångssättet har varit self report.14 stycken pedagoger har intervjuats via self report i två olika kommuner både ifrån förskola/förskoleklass. Syftet har inte varit att jämföra de båda verksamheterna utan bara se vilken bredd av syn det finns på språkstimulering, samt vilka metoder de arbetar med för att språkutvecklingen ska gynnas.Resultat: I self reporterna skriver lärarna att allt de gör hela dagarna stimulerar barnsspråkutveckling.

This report deals with activities that from a CSR perspective are considered to create a shared value for a medium-sized construction company in Sweden. The CSR definition used in the report is the European Commission?s since it reflects the valuecreating aspects of CSR, in contrast to the traditional philanthropic aspect of CSR.Companies in the building construction industry have difficulties identifying activities that create value in society and in the company. The aim with the project is to, from a CSR perspective, identify and evaluate value creating activities in a building construction company. The activities will be evaluated with respect to competitiveness and how they can be implemented into an organization.

The Energy Performance Certification in Sweden was developed as a tool to achieve the Government's target to reduce Sweden's energy consumption by 20 percent by 2020. The Energy Performance Certificate has previously received some criticism for not fulfilling its purpose. Questions that formed the basis for this report is how the energy performance certification provides support to buyers of single-family houses and if the energy performance improved in terms of reliability. The report begins with a background description that describes how the energy declaration works and some of the findings of previous evaluations and surveys. A survey to investigate the broker's position to energy performance have been conducted as well as interviews with buyers and sellers of houses. An investigation whether the energy performance can vary between different calculation programs, depending on various assumptions made by the energy declarant, has been made.Brokers and sellers have proved negative attitudes towards energy performance, particularly brokers.

A new FPGA suitable for space applications has just reached the market. To investigate whether there are any possible flaws or limitations similar to those previously seen on FPGAs, an evaluation has to be done. This master thesis contains the evaluation of this new radhard FPGA with focus on possible design limitations and package related electrical phenomena.Areas evaluated: Ground-/VDD bounce, Cross talk, Rise time sensitivit, Power cycling, Power consumption, Place and route tool, Radiation hardnessThis report contains all steps in the evaluation. From method to measurements, comparisons, theory, results and conclusions. In the evaluation work, special effort has been made to develop designs that really stress the FPGA to find potential problems.

 The sawmill industry is a relative fragmented industry that is in an economic upswing andwith a hard competition. The customers have high demands on their suppliers and the highcustomer demand make it necessary for the companies to make a streamlining in planningand production. For that reason it is very important that the planning- and productionprocesses aren?t to complex and with a simple structure.The purpose of this report is to study and map out a marked out part of a planning- andproduction process, from adjust works to final delivery, at a company in the sawmill industry.Different methods have been used for the report, among others interviews and subordinatedmaterial.We have mapped out a marked out part of the planning- and production process at theCompany. This part we have studied, and we have analysed the process it self and otherthings connected to the process.We see the planning- and production process in the Company as complex.

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 need for snow-free surfaces at squares, bus stops, platforms, car parks and sports facilities increases and at the same time energy price rise and the environment is becoming a hotter issue. The construction of the ground heating systems often lack thermal insulation under the heating pipes, which means that the heat from the pipes not only warm up the soil surface but also heats the surrounding soil. The insulation also has more features, by insulating the risk of frost damage is minimized. The goal of this report is to demonstrate the large heat loss and energy costs in the absence of insulation under the heating system.The report begins with a scientific way to study and treating the soil heating system uses, and the theory involved. Furthermore it also deals with different routing principles of heat pipes depending on the facility.All calculations are made with so called finite element method (FEM), in COMSOL Multiphysics 3,5a, where models are created with different conditions.

This report examines the prerequisites for LEDs to replace other technologies indifferent applications. How does the different technologies for light generationwork and what are the advantages and disadvantages? The various technologieslimitations and characteristics provides the opportunities for the LEDs.This report describes a test-construction built to examine what practical arrangementscan be built with modern light emitting diodes, in order to showsome of the possibilities. The construction consists of three different applications,a high power lamp based on cold white LEDs, one based on warm whiteLEDs for the evaluation of the light characteristics and a RGB-LED based lampable to mix any colors quickly and seamlessly. The test construction also containsthe essential peripherals including control-electronics, optics and a custombuilt watercooling solution.The potential for LEDs is huge but it is complicated to build LED based applicationsdue to the limitations which mainly includes the electronics and theneccesary cooling.

By tradition, archival sciences has emerged in a context with defined information processes, with explicit information producers and custodians to which consumers make requests for the information. In this process, the archival science has developed methods and strategies to preserve authentic and reliable records and by that providing trustworthy information. In an online society, people are using the internet to get information for different purposes. Even though there is no legal obligation to guarantee the authenticity, it is of societal importance that the end users get trustworthy information. In this online context, open data is a trend that is growing fast over the world and it is interesting because its conditions raises many questions regarding authenticity.Since open data is free to reuse, link and combine with other information, and it is preferably in primary format it raises questions about how to maintain the integrity and identity of the information, which is the constituents of authenticity as it is used in this work.

Previously studies have shown that the way companies explain outcome in their annual report is not totally trustworthy. Studies show that the management has a self serving bias when they explain the result to give a positive image of the company. Our study is based on investigations into this phenomenon in the telecom market in Sweden. Turbulent market conditions with, among other, deregulation of the monopoly of fixed telephony and a huge technical evolution, which has led to an increase in competition, is the reason to why we have chosen to study the telecom market in Sweden. As a benchmark in our study the attribution theory will be used.