辅导案例-CVEN4104

  • August 15, 2020

Group Assignment for CVEN4104 ‘Sustainability in Construction’ TASK You (and your group mates!) are hired by an international construction firm as Sustainability Engineers. This firm has a versatile portfolio of almost any construction activities. In your interview, you mentioned that you are innovative, and sustainability is your passion. After settling down in your job, your supervisor gives you a task to demonstrate your innovation and sustainability knowledge. The supervisor asks you to come up with a sustainable alternative in one of their construction activities. A sustainable alternative can be a construction material replacing traditional material, renewable energy, new building design for higher energy efficiency (passive building), etc. The sustainable alternative must be compared with the reference product/process. REPORT As part of this job, you should do the following tasks and provide a report with in-line reference numbers and a detailed bibliography. 1. a. describe your proposal (max 20 lines) and b. provide a SMART sustainability objective (max 2 lines). 2. As per LCA Goal definition requirement, a. provide the application of results (max 2 lines) and b. justify your Goal decision context (max 5 lines). 3. As per LCA Scope definition requirement, a. define functional unit and reference flows (max 5 lines); b. identify multi-functionality of the chosen reference flow (if it is not multi-functional then it needs to be clearly explained) and suggest a solution based on ISO 14044 hierarchy (max 20 lines); c. identify the system boundaries, explain why 100% completeness cannot be achieved, and which unit processes are excluded from the study (max 20 lines); d. explain geographical, time-related and technological representativeness of data (max 20 lines); and e. explain which impact categories will be affected by the studied system based on a literature review (max 20 lines). 4. For both the reference and the sustainable alternative: a. provide a sperate Life Cycle Inventory (LCI) diagram including all studied flows, unit process levels and names, system boundary, foreground and background systems; b. assign quantity and unit to each flow and do a mass balance; c. explain the assumptions used for the LCI (max 30 lines), and provide data reporting table for all unit processes in the system boundary and include specificity, type (quantity and unit), source and access links. 5. a. calculate the Net Present Value of the sustainable alternative and the reference system/product; b. calculate Net Savings, Savings to Investment Ratio, Internal Rate of Return, and Discounted Payback Period for the alternative system/product; c. list the assumptions and references for the discount rate, study period, investment costs and revenues (based on LCI unit process and flows). NOTE: Final discounted costs and revenues for cost-bearing unit process and flows with reference links must be presented in a table and a spreadsheet of calculations should be attached as an appendix. 6. Provide conclusions by comparing the sustainable alternative and the reference product/system and describe the benefits and drawbacks of the sustainable alternative (max 30 lines). 7. Provide the list of references used in the report (references must be included via Endnote – Instructions can be found here). INSTRUCTION FOR GROUPING Every four students will be assigned to a group. You can choose your topic and group mates. However, your topic must be confirmed by the course conveyor by the 10th of July. Your topic should be unique which means not more than one group can work on a specific topic (priority will be given to the person/group who created the topic first). You must upload your short proposal and provide a SMART sustainability objective and other details here. You can choose whether to accept other students to join or you have already organised a group of four students (then you need to list their names and student numbers immediately after uploading the topic). The person who uploaded the topic needs to organise the briefing meeting with other group members and s/he will be the contact person for communication with the course conveyor. Alternatively, you can browse the topics and join the groups that have free space up to four students by typing your details in front of the nominated topics here. You can only join the confirmed topics which are highlighted in green by the course convenor. You must have a group on the 10th of July. You are not allowed to remove a topic or other students from the spreadsheet without their consent otherwise you will be tracked and penalised. IMPORTANT NOTES 1. The submission deadline of the group assignment report will be Monday, August the 17th at 9 am. Late submission will not be accepted and zero marks will be given to all group members. 2. Submission will be through Turnitin link in the Moodle (Plagiarism i.e. more than 30% similarity will result in zero marks for all the group members). 3. Only .pdf files with the following file name format will be accepted: GroupNo_ProjectName (no handwritten assignment will be accepted). Spreadsheet of calculations (with the same name format) must be emailed to the course conveyor by the group contact person. 4. The report front page should include the project name, group No., student names and numbers. 5. The font size should be 12 with single spacing and normal margins. No other specific formatting is required. 6. The reports that are not followed the maximum lines limits, file name template and other requested formatting will be penalised up to 5 marks. RUBRIC for marking report (180 points i.e. 30/100 final course marks) Part 1 (8 points): a. 3 points b. 5 points (1 point for each element of SMART) Part 2 (7 points): a. 2 points b. 5 points Part 3 (25 points): a. 7 points (3 points for correct functional unit and 2 points for each reference flows definition) b. 3 points c. 4 points d. 6 points (2 points for each geographical, time-related and technological representativeness) e. 5 points (up to 5 impact categories must be clearly identified and backed up by references) Part 4 (60 points): a. 20 points (10 points for each system with all requested items and clear mapping and correct levels of all possible UPs and flows in the system boundary) b. 20 points (10 points for each system with correct quantification of flows and mass balance based on valid references) c. 20 points (10 points for each system which include specificity, type (quantity and unit), valid assumptions, source and access links for all UPs in the system boundary) Part 5 (60 points): a. 20 points (10 points for each system) b. 20 points c. 20 points (including 10 points for valid references with links) Part 6: 10 points Part 7: 10 points (only Endnote referencing will be accepted with uniform referencing style)

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