| Summary: | The purpose of this thesis is to give a clear indication of how widely spread the problem with time waste is in the construction industry. One of the big issues of today is the large increase in construction cost of residential buildings. The cost of producing new apartment buildings has increased with 140 percent in less than 20 years. Furthermore the study show that only 17.5 percent of a construction workers day is value increasing work. The same study also show that 37.5 percent of a work day is waste that can be completely eliminated and has no value to the customer. A good way to approach this time waste problem could be to implement LEAN in to the construction industry. This report is done together with Skanska Sweden AB in Uppsala. The main research methods used in this report is a literature study, interviews, an inquiry and visits to the construction sites. The result presented in this report shows that there is a problem with time waste in Skanska projects in a couple of different areas. The conclusions to this report show that the knowledge about LEAN today is poor, negative attitude towards changes, these arguments are hindering work to improve Production efficiency in the construction companies. LEAN education for employees and dividing responsibility to all the workers on site could be solutions that could change the industry to a more cost efficient construction process.
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