Cost-Benefit Analysis and Environmental Impact of Water Management - A Case study on the West Link Railway project

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dc.contributor.authorHadi, Farid
dc.contributor.authorNuur, Abdullahi
dc.contributor.departmentChalmers tekniska högskola / Institutionen för arkitektur och samhällsbyggnadsteknik (ACE)sv
dc.contributor.departmentChalmers tekniska högskola / Institutionen för arkitektur och samhällsbyggnadsteknik (ACE)en
dc.contributor.examinerHvitt Strömvall, Ann-Margret
dc.contributor.supervisorNorrman, Jenny
dc.date.accessioned2024-11-06T13:30:17Z
dc.date.available2024-11-06T13:30:17Z
dc.date.issued2024
dc.date.submitted
dc.description.abstractThis report examines the treatment efficiency of excess water and the socio-economic implications of managing this water during the construction of the West Link railway project in Gothenburg, Sweden. Approximately 130,000 cubic meters of excess water require annual treatment at the 'Centralen' site of the West Link project. Data from the Swedish Transportation Administration (STA) collected between 2018 and 2023 on water quality before and after treatment, and the associated costs were analysed. Findings show that the treatment plants achieve an average pollutant removal efficiency of 73%. However, variations in pollutant concentrations in the influent water, and the impact of maintenance practices underscore the importance of continuous monitoring and optimization of the treatment methods. This is essential to ensure high removal efficiency and that the effluent water complies with environmental standards. While the total mass of pollutants released annually, such as suspended solids, oil, arsenic, lead, cadmium, copper, total chromium and chromium VI, nickel, mercury, zinc, and pH give a small contribution to the Göta river compared to background levels, local releases from the construction site could still impact the nearby ecosystem and accumulate in organisms. Thus, stringent environmental protection measures remain necessary. A Cost-Benefit Analysis (CBA) was conducted, revealing that although the STA incurred substantial costs for the water treatment facility, there are significant public health and environmental benefits. In conclusion, the report emphasises the importance of effective water treatment to meet environmental regulations, mitigate ecological and health risks, and promote sustainable construction practices.
dc.identifier.coursecodeACEX30
dc.identifier.urihttp://hdl.handle.net/20.500.12380/308961
dc.language.isoeng
dc.setspec.uppsokTechnology
dc.subjectTreatment efficiency
dc.subjectExcess water
dc.subjectWest Link Railway Project
dc.subjectEnvironmental standards
dc.subjectCost-Benefit Analysis (CBA)
dc.subjectSustainable construction practices
dc.titleCost-Benefit Analysis and Environmental Impact of Water Management - A Case study on the West Link Railway project
dc.type.degreeExamensarbete för masterexamensv
dc.type.degreeMaster's Thesisen
dc.type.uppsokH
local.programmeDesign and construction project management (MPDCM), MSc
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