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Academic literature on the topic 'Lean slöseri'
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Dissertations / Theses on the topic "Lean slöseri"
Prelog, Josefin, and Sandra Huang. "Identifieringav slöseri inom NCC Folkboende." Thesis, Karlstads universitet, Fakulteten för hälsa, natur- och teknikvetenskap (from 2013), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-55415.
Full textThe construction industry is a growing market and there is a huge demand for buildings today. The time for production and production costs for a project are being reduced because of the competitive market. Waste within the construction industry can both contribute to a longer production time and higher production costs. Previous studies confirm that waste can amount to 30-35% of the cost of production. NCC is building a concept house, NCC Folkboende, which is a site-based concept that generates an efficient construction process with lower production costs. NCC in Umeå developed the concept Folkboende. Production time and production costs are based on Umeå's estimated hours. The production time is difficult for other districts to maintain. This makes it interesting to follow the current study to find possible causes. Lean Production is a tool derived from the automotive industry. By focusing on eliminating waste, the time and materials can be saved. Lean identifies eight types of waste; Overproduction, waiting, reworking, untapped creativity, storage, overwork, movement and transportation. To identify waste in this study, the Activity Sampling method has been used. The method involves making many observations to measure how time is used in relation to the work. With enough observations, a result is obtained that becomes reliable for a long time of work. The result shows in a comparison, between the calculated hours and actual hours worked, that there is a difference. Furthermore, waste does not have such a big impact that it would be one of the major causes. To increase efficiency, education with all concerned before the production begins can be recommend based on the study. An experience bank that registers which supplementary work that has been done in the production will also be a recommendation.
Johnsson, Tobias. "Arbetsberedningar : för att minska slöseri i byggproduktion." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-69273.
Full textThe meaning of production planning is to effectively coordinate a project's activities and resources in the most effective way possible. Through good planning, potential conflicts can be avoided. Work preparations is a tool that reviews the operations, mapping workflow and can find the most effective way to carry out work on. Work preparations can be used to share experiences and standardize operations within the company. The purpose of this report is to study work preparations and what tasks production management and skilled workers have when work preperations are done. The study was conducted as a case study with two methods of data collection, a literature review and interviews. In the study, production managers, supervisors and skilled workers were interviewed to identify how Skanska is working with work preparations in the district of Kristianstad. The study also aims to analyze the situation and compare it with literature and with established knowledge in order to highlight possible improvements. In Skanska’s business management system, Vårt sätt att arbeta, work preparations is described as a detailed planning of an operation. The aim is to take advantage of everyone’s skills, safe work environment, quality and environment, and to increase predictability regarding productivity. Risks that are deemed significant to the project's time, finances, quality, environmental or health should be prepared at a detailed level of production. The interviews show how employees at Skanska are working with work preperations. Approaches vary between individuals and workplaces. All respondents believe work preperations is a good tool for planning in production and gladly uses it. But one of the reasons for not using it, is the lack of time. Respondents also recognize the importance of utilizing all coworkers’ skills and knowledge when producing work preperations, and encourages cooperation in the workplace. Respondents in the study has a positive attitude to work preperations and think it aids them in production. Thus, do not the opinion of work preperations have to change, however, not all respondents understand the importance of work preperations and what effects they can have. The understanding of how important this kind of planning is must increase. Skanska’s management should convey the purpose and objectives of work preperations to all employees, in that way the understanding of work preperations can improve and reduction of wastage in construction can take place. Work preperations takes time and therefor they are not always prioritized. There is however time to be saved when activities begin due to questions and uncertainties are eliminated. Time can also be saved by not having to take measures of produced errors. The lack of time shouldn’t be a reason for not doing work preperations, on the contrary work preperations saves time. To make work preperations a standardization in production, the management are required to work more routinely with work preperations.
Lofjärd, Anna. "Implementering av Lean Construction inom byggbranschen : Ett slöseri eller ett verktyg?" Thesis, Högskolan i Borås, Akademin för textil, teknik och ekonomi, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-23562.
Full textIn Sweden housing has been given further focus to build cheaper and faster. Construction have constant requirements to build more effective and at the same time maintain their quality. The industry evolves all the time and many businesses have created own tools and methods to keep improving the efficiency and quality of their work. The original ideas came from Toyotas production ideas from the early 1900. The theories about quality thinking and efficiency have been popular to implement and the concept has for example developed within construction and is called Lean Construction. Since there is a lot of theory within the field the writer felt that the subject should be relevant to examine and see how Lean Construction is working in reality. Therefore, the aim of this study is to investigate if the construction firm should be able to implement some tools and methods that you can find within Lean Construction. Would these tools and methods be able to generate more efficiency in the construction firm’s daily work. To be able to implement this study, a questionnaire has been sent out to 3 different construction firms. In the questionnaire the respondents rank the different tools and methods they thought had efficiency and the one’s that didn’t have any efficiency. Where they answered which tools and methods within Lean construction that they thought would improve the efficiency and if they already have worked by a method that should rise the efficiency. Most of the respondents have heard of the Lean Construction before but not everyone had used it. Between the different construction firm’s opinions about what kind of methods about efficiency varied. A wide study of different methods was made to determine what kind of methods should be used when writing this essay, the different methods have been balanced between each other to determine which should complete the collected data. By using the questionnaire and collected theory, a qualitative method was selected. The benefit with this method was that the writer could compare the collected data with the theory. The writer chose only 3 construction firms so that the study shouldn’t be generalized but instead be more open for interpretive picture of how the work within construction looks like. To be able to answer the purpose, the writer set some limitations, by only focusing on the tools and methods within Lean that should contribute to a higher efficiency at the construction firm. Through the respondents answer it emerged that methods within 5S can be applied within construction. The collected theory and the empirical data were analyzed and led to the conclusion. The study showed that the 5s method is the easiest method to implement at the construction firm. Respondents meant that some of the methods within 5S already is applied in their daily work.
Fleismark, Linda. "Nulägesanalys och identifiering av slöseri." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-40206.
Full textSAMMANFATTNING Syfte: Syftet med studien är att ta fram en nulägeskarta över hur ett företag inom tillverkningsindustrin arbetar med Lean-verktyg för att eliminera slöseri och skapa förbättringar. I ett tidigt stadie formulerades de forskningsfrågor som studien avser att besvara och som går i linje med syftet: Hur kan företag inom tillverkningsindustrin använda verktyg inom Lean för att arbeta med förbättringar? Hur kan Lean-verktyg som eliminering av 7+1 slöseri och arbete med 5S leda till förbättringar? Metod och genomförande: En fallstudie har genomförts på ett stort företag inom den tillverkande industrin och för att knyta an till det som litteraturen säger har även en omfattande litteraturstudie inom Lean-metodik genomförts. Studien har utförts genom insamling av data, deltagande observationer och intervjuer. Dokumentation har skett fortlöpande under hela examensarbetet. Resultat: Studien visar att företaget där fallstudien utfördes använder ett flertal Lean-verktyg i sitt kontinuerliga förbättringsarbete. Resultat från litteraturstudier visar en samstämmighet att tillämpning av Lean-verktyg är något som gynnar företag i deras arbete med förbättringar. Resultatet visar även en samsyn när det gäller att företag behöver se Lean som ett helhetssystem och en filosofi, inte endast som en uppsättning effektiva verktyg. Resultat från litteraturstudier visar även att det finns en avsaknad av medvetenhet om bortkastade förbättringar (det nionde slöseriet). Nyckelord: Lean, eliminering av slöseri, 5S, bortkastade förbättringar, Kanban, standardiserat arbetssätt
Eklund, Malin, and Fanny Steenari. "En mixers väg genom produktionsflödet : En Value Stream Mapping på OPX Xylem Emmaboda." Thesis, Linnéuniversitetet, Institutionen för ekonomistyrning och logistik (ELO), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-35705.
Full textLindblad, Caroline. "Praktisk tillämpning av Lean Production : En möjlig väg till minskat slöseri." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-236197.
Full textBergbom, Axel. "Slöseri i anläggningsbranschen : En fallstudie av produktionsprocessen för vägentreprenader." Thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80161.
Full textThe Swedish infrastructure will receive large investments until year 2029. This leads to big opportunities for construction companies within the industry to grow and increase their profitability. To generate good profit, it is important that the available resources are used in the best possible way so waste can be minimized, and efficient processes can be achieved. Taking the sustainability aspect in consideration, 40% of the global emissions can be linked to the construction sector. In order to reduce the environmental impact and contribute to sustainable development, the construction sector needs to minimize waste and achieve efficient processes. The focus of this thesis is regarding waste within construction industry and civil engineering projects, because of the limited research conducted within the field. The aim of this thesis was to investigate waste for the production process regarding road projects. Further, their causes have also been investigated. This has been done by a case study on a construction company. By mapping the waste and their causes the aim has been to produce a recommendation to streamline the company´s operation. Further, the goal for this study has also been to contribute to the research on waste in the construction industry, with a focus towards road construction projects. An exploratory researched been used for this thesis, to achieve the aim. This to increase the understanding for the field of study. The research approach is inductive hence, the study is based on observations from interviews and focus group, to a generalization of a theoretical model. A qualitative strategy has been applied for the thesis since the aim has been to create a deeper understanding for the field of study and give the possibility to adjust the research depending on what is found in the data collection. To collect data for this thesis a literature study, interviews, focus group and qualitative secondary data has been used. Further, triangulation and review by the supervisors has been used to ensure the credibility and quality for the thesis. The study identifies waste in waiting, unnecessary transportation and improperly execution for the production process in road projects. The waste arises primarily for the activities excavation, blasting and transportation. The causes can be divided into two categories: external and internal. External causes emerge from clients, suppliers and geographical location. This in the form of long mass haul distances, resource shortage, provision of construction documents & decisions and competence & routine by the machine operators. Internal causes arise from guiding and control over the production. The proposal for the production process was developed through the software DynaRoad to be able to create a mass haul plan in order to reduce the unnecessary transports and increase the resource efficiency. The recommendation for the company where this thesis has been conducted is to put a lot of effort into their planning process. This will result in better project basis, which leads to increased efficiency when the waste can be minimized.
Gunnarsson, Marcus, and Viktor Svensson. "Implementering av Lean för små och medelstora byggentreprenadföretag för att reducera slöseri." Thesis, Tekniska Högskolan, Högskolan i Jönköping, JTH, Byggnadsteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-31019.
Full textStenquist, Lars. "Skadereglering med fokus på kund : Försäkringsbolag arbetar med ständiga förbättringar." Thesis, Mittuniversitetet, Institutionen för informationsteknologi och medier, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-17291.
Full textOlersbacken, Mattias. "Flödesanalys av plåtsammansättning : Strävan mot Just-In-Time och minskat slöseri." Thesis, Uppsala universitet, Industriell teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-226451.
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