GaBi Education - GaBi Software

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Conducting Life Cycle Assessments 3. Life Cycle Inventory Analysis (data collection, calculation procedures, LCI table) 4. Life Cycle Impact Assessment (methodology, results) 5. Life Cycle Interpretation a. Results b. Assumptions and Limitations c. Data Quality Assessment 6. Critical Review (internal and external) a. Name and Affiliation of Reviewers b. Critical Review Reports c. Responses to Recommendations If the study extends to the LCIA phase and is reported to a third-party, the following information should be reported: a description of the data quality; the relationship between LCI and LCIA results; the selection of impact categories; the impact assessment method; the indicator results profile normalization references weighting procedure 2.4.5 Critical Review The ISO standards require critical reviews to be performed on all Life Cycle Assessments supporting a comparative assertion. The type and scope (purpose, level of detail, persons to be involved in the process etc.) of the critical review is described in the LCA report. The review should ensure the quality of the study as follows: LCA methods are consistent with the ISO standards; Data are appropriate and reasonable in relation to the goal of the study; Limitations are set and explained; Assumptions are explained; and Report is transparent and consistent and the type and style are oriented to the intended audience. The critical review can be done by an external or internal expert, or by a panel of interested parties. 26
3 Procedure Procedure This chapter outlines a step by step procedure for conducting an LCA in GaBi. The example used in this manual and in the online video tutorial involves the modelling of the life cycle of 1000 steel paper clips based on German and European datasets. The procedure outlined below contains two types of text: 1. Numbered text indicates that a step should be completed. Text in italics provides explanatory comments about why you might do something or how something works. You will also notice that there are headings scattered throughout the procedure. These correspond (mostly; there are a couple of extra headings here) with the contents found in the video tutorial. The idea is that it is as easy as possible to work together with a friend, or in a group as well as to stop and continue whenever at any point. Viel Spaß! (That‟s German for have fun) 3.1 Opening GaBi 1. Open GaBi now. The first thing you need to do is connect a database to the software. It could be the case that there is already a database connected. In the GaBi DB Manager you can see if there is already a database connected. Do you see something listed here? 27
Page 1 and 2: GaBi Education Handbook for Life Cy
Page 3 and 4: Table of Contents 1 Introduction to
Page 5 and 6: Table of Figures Figure 1: Overview
Page 7 and 8: Purpose of this Handbook The purpos
Page 9 and 10: The following is just a brief list
Page 11 and 12: 2.1.2 Scope The intended applicatio
Page 13 and 14: Figure 3: Process Flow Diagram A sy
Page 15 and 16: Figure 5: Allocation Example Figure
Page 17 and 18: Figure 6: Data Collection and Calcu
Page 19 and 20: Conducting Life Cycle Assessments o
Page 21 and 22: 2.3.2 Selection of Impact Categorie
Page 23 and 24: Conducting Life Cycle Assessments o
Page 25: Conducting Life Cycle Assessments p
Page 29 and 30: 3.2 Activating a database Procedure
Page 31 and 32: Procedure In most cases there are s
Page 33 and 34: Procedure GaBi now searches for all
Page 35 and 36: Procedure Well, because this proces
Page 37 and 38: Procedure You will notice the searc
Page 39 and 40: Procedure The reference quantity of
Page 41 and 42: Procedure Waste flows are, not surp
Page 43 and 44: 3.19 Adding processes Procedure You
Page 45 and 46: 3.23 Linking processes Procedure Le
Page 47 and 48: Procedure Let´s assume that the us
Page 49 and 50: Procedure Since each plan requires
Page 51 and 52: Procedure 91. Click on the „Balan
Page 53 and 54: 96. Select the „separate IO table
Page 55 and 56: 3.32 View option: Quantity view Pro
Page 57 and 58: Procedure By right clicking on a co
Page 59 and 60: 4 Literature Literature GABI 2003 G
Page 61 and 62: Appendix A Appendix A 3 Global Warm
Page 63 and 64: Appendix A Appendix A 6 Photochemic
Page 65 and 66: The surface of the model is divided

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