Energieffektiva bodetableringar i byggbranschen : Fallstudie om energieffektiva byggbodar baserat på Kvarteret Fören i Karlstad

Detta är en M1-uppsats från Karlstads universitet

Författare: Daniel Höij; [2021]

Nyckelord: Byggbodar; byggetablering; bodar; baracker; byggbranschen;

Sammanfattning: The pace of Sweden's construction is at a level that has not been relevant since the 1970s. The high pace of construction together with an increased environmental awareness is a major challenge. The Swedish construction and real estate sector accounts for about 40% of the total energy use used for electricity and heating. In Sweden, there are between 50,000–60,000 construction site facilities and the majority have poor energy performance. The major players for the rental of construction site facilities in Sweden have a wide selection and offer energy-efficient solutions but also alternatives with poorer energy performance. According to earlier studies of energy consumption for a building during its life cycle, it has been reported that construction production accounts for 14% and operation for 85% of the total energy consumption. Recent studies have shown that a larger percentage of energy use is consumed in the production- and demolition stages. The new energy-efficient houses have significantly lower energy use in the user phase, the operation cost is lower than for older buildings. This in turn means that energy use during production can vary between 12-34%. The purpose and goal of the work are to investigate different actions and solutions that would mean a more energy-efficient and environmentally friendly establishment of construction site facilities. The work also addresses information with conditions regarding energy-efficient housing establishments. Based on the results that are worked out, a final proposal will be presented to presenters on the type of construction site facilities that Consto should aim to use to achieve ecological and economic sustainability. Methods that have been applied in the work were a case study of Kvarteret Fören in Karlstad, cost of living analysis (LCC), climate calculation, and literature study. Based on the study that has been carried out, the calculations from the reference object Kvarteret Fören have shown that there are cost incentives for the use of energy-efficient construction site facilities. Consto should aim to use Miljö A or construction site facilities with poorer energy performance and extra insulation in all projects to achieve financial sustainability. When using Miljö A there is potential to reduce carbon dioxide emissions by about 40%. With solar cells, there is the opportunity to make booth establishments completely self-sufficient. As a result, it would lead to a reduced operating cost and a lower climate impact. But in the current situation, there are some obstacles for companies to take this step. Finally, it can be said that ecologically and economically sustainable solutions can be combined. Investments in construction site facilities can provide short - or long-term profits

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