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Optimering av logistikyta i ett byggprojekt: En tillämpning av Lean Construction
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Industrial Management.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Industrial Management, Industrial Design and Mechanical Engineering, Industrial Management.
2025 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Construction projects are often characterized by inefficiencies, which can lead to delays and cost overruns. A particularly challenging area is logistics, where inadequate planning and coordination of deliveries create waste (Muda) in the form of waiting times, double handling, and production stoppages. Lean Construction (LC) has been developed as a response to these issues, aiming to establish reliable production flows and minimize waste through planning, standardization, and demand-driven control.

This study was conducted in collaboration with Munters, an industrial company planning to expand its production facility to increase capacity and improve internal logistics. The construction project takes place in parallel with ongoing production, presenting unique challenges such as limited space, strict safety requirements, and the need for efficient material handling. The study focuses on these logistical challenges and aims to propose improvements to facilitate coordination between construction activities and daily operations.

Using a case study approach involving observations, semi-structured interviews, and simulation in FlexSim, a three-step analysis model was applied. The model is based on LC principles and tools such as Transformation-Flow-Value, 5S, Just-In-Time, and LPS. The analysis shows that the area outside the factory can be used more efficiently through layout planning and demand-driven deliveries. One concrete improvement proposal is to use the grass area near Tobo Komponent as temporary storage for Munters' own materials. The simulation demonstrates that this can free up strategic space near the construction site and reduce competition for limited areas. By combining theory, practical insights, and digital simulation, the study shows how logistical solutions can be developed and tested before implementation.

Abstract [sv]

Byggprojekt präglas ofta av ineffektivitet, vilket kan leda till förseningar och kostnadsöverskridanden. Ett särskilt utmanande område är logistiken, där bristande planering och samordning av leveranser skapar slöseri (Muda) i form av väntetider, dubbelhantering och produktionsstopp. LC har utvecklats som ett svar på dessa problem, med målet att skapa tillförlitliga produktionsflöden och minimera slöseri genom planering, standardisering och behovsstyrning.

Denna studie har genomförts i samarbete med Munters, ett industriföretag som planerar att bygga ut sin produktionsanläggning för att öka kapaciteten och förbättra intern logistik. Byggprojektet sker parallellt med pågående produktion, vilket medför särskilda utmaningar i form av trånga ytor, säkerhetskrav och behov av effektiv materialhantering. Studien fokuserar på dessa logistiska utmaningar och syftar till att föreslå förbättringsåtgärder för att underlätta samspelet mellan byggverksamhet och löpande drift.

Genom en fallstudie med observationer, semistrukturerade intervjuer och simulering i FlexSim har en trestegs analysmodell tillämpats. Modellen bygger på LC-principer och verktyg som TFV, 5S, JIT och LPS. Analysen visar att ytan utanför fabriken kan disponeras mer effektivt genom layoutplanering och behovsstyrda leveranser. Ett konkret förbättringsförslag är att använda gräsytan vid Tobo Komponent som tillfällig lagringsyta för Munters eget material. Simuleringen visar att detta kan frigöra strategiska ytor nära byggzonen och minska konkurrens om utrymme. Genom att kombinera teori, praktik och digital simulering har studien visat hur logistiska lösningar kan utvecklas och testas innan de genomförs i verkligheten.

Place, publisher, year, edition, pages
2025. , p. 72
Keywords [en]
Lean Construction, manufacturing industry, simulation, material flow, logistics
Keywords [sv]
Lean construction, tillverkande industri, simulering, materialflöde, logistik
National Category
Economics and Business
Identifiers
URN: urn:nbn:se:hig:diva-47876OAI: oai:DiVA.org:hig-47876DiVA, id: diva2:1980265
External cooperation
Munters Europe AB
Educational program
Industrial Engineering and Management - Bachelor of Engineering
Supervisors
Examiners
Available from: 2025-07-02 Created: 2025-07-01 Last updated: 2025-10-02Bibliographically approved

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