Byggavfall från nybyggnation av flerbostadshus

Sammanfattning: The purpose of this master’s thesis was to study construction waste produced during construction of new apartment buildings in projects where Skanska Sverige AB has been the construction contractor. The distribution of different waste fractions and its treatment methods were studied for 15 projects, from the given data. This has been compared to the criteria given in the EU taxonomy concerning construction waste, which is used to determine if an economic activity can be classified as sustainable or not, with the environmental label Svanen and the environmental certificate Miljöbyggnad. Interviews were also conducted with different people from the construction and waste sector. Lastly, a comparison was made between the value for predicted waste used in the calculations of climate impact for gypsum and the actual outcome of gypsum waste, to analyze how well these values correspond. The results showed that somewhere between 43 and 67 % of the waste for the studied projects went to incineration, while between 0 and 2.9 % went to landfill. Only one of the projects met the requirement of at least 70 % of the non-hazardous waste being sorted for reuse, material recycling or other recycling, which is one of the criteria in the EU taxonomy. The waste generated by the projects varied between 15 and 48 kg per m2 gross floor area. On average the amount of existing gypsum waste was 62 % higher than the amount given in the climate impact calculation.