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MINSKAT MATERIALSVINN PÅ BYGGARBETSPLATSEN INOM SMÅHUSTILLVERKNING
Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
Jönköping University, School of Engineering, JTH, Civil Engineeering and Lighting Science.
2019 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesisAlternative title
REDUCED MATERIAL WASTE ON THE BUILDING SITE IN INDUSTRIALIZED SMALL HOUSE CONSTRUCTION (English)
Abstract [en]

Purpose: Material wastage is a widespread problem in the building sector that affects both the economic and environmental aspects negative. Further research within industrial small house manufacturing is required to develop an information system and investigate the amount of discarded material. Several small house companies use external building contractors which makes it difficult to reduce the amount of waste because the contractors are not economically affected by the amount of material left over. In the case studied there are no guidelines on how the amount of material waste should be fed back and how the small house manufacture should use that kind of experience feedback. There has to be an improved communication between the parties in order to systematically document where the material waste occur and what it depends on.The aim of the essay is to give concrete suggestions on how the experience feedback can be formed between small house companies and building contractors, and how the small house company can adjust their operation method in order to contribute to a reduced amount of material waste.

Method: The paper is a qualitative study with litterateur, observation and interview study as applied examinations methods. The observation investigated the company’s working methods. In the literature study, scientific articles within waste, knowledge management and Building Information Modelling (BIM), where studied. These theories where later compared with the interviews, which were designed with a low degree of structuring and higher degree of standardization.

Findings: The study presents that poor quality of the material is the most common experienced sources of material waste. Concrete suggestions on how the experience feedback between small house manufacturer and building contractors can be formed is presented, where photo documentation and weighing of the material are two of the alternatives. That information can in a later stage be used to optimize the company’s additional percentage on the material used to prevent the material from running out of the construction site.

Implications: The paper results there is a developed system for how deviations for missing material is managed and that there also is a need to introduce it for residual material. Inadequate quality of the material is identified as the largest source of material waste, even calculation errors from quantity take-off are common because it is carried out manually. The additional percentage on material orders is not based on documentation and has potential to be optimized. One way to reduce the amount of material waste is to introduce a wider use of BIM in order to make clash control and quantity take-off.

Limitations: The thesis is a case study, but the results can be applied in other small house companies with a similar working procedure. The study is delimited from organizational structures with internal builders, which means that the generalization of the results is decreased. The work is also limited from which incentives that is required to motivate the building contractors to use the suggested methods to return the information.

Keywords: Waste, Construction, Knowledge Management, Quantity take-off and BIM.

Place, publisher, year, edition, pages
2019. , p. 35
Keywords [sv]
Slöseri, Konstruktion, Kunskapshantering, Mängdberäkning och Byggnadsinformationsmodellering
National Category
Building Technologies
Identifiers
URN: urn:nbn:se:hj:diva-45254ISRN: JU-JTH-BTA-1-20190273OAI: oai:DiVA.org:hj-45254DiVA, id: diva2:1334392
External cooperation
Eksjöhus
Subject / course
JTH, Civil Engineering
Presentation
2019-05-21, 15:30 (Swedish)
Supervisors
Examiners
Available from: 2019-09-03 Created: 2019-07-02 Last updated: 2019-09-03Bibliographically approved

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