Towards sustainable reuse of building services in office buildings

Inhoud

Chapter 1 Introduction 1
1.1 Context of the study 1
1.2 Statement of the problem 2
1.3 Aim and scope 3
1.4 Significance of the study 4
1.5 Conceptual framework 5
1.6 Overview of the study 6
Chapter 2 Reusing building services in office buildings 9
2.1 Notions and definitions 10
2.2 Types of reuse for building services 19
2.3 The decision to reuse building services products 21
2.4 Summary 22
Chapter 3 Current assessment of the reuse potential of building services products 23
3.1 Condition assessment and identification of remedial works 24
building services products 28
3.2 Assessment of the environmental, social, and financial performance of reusing building services 29
3.3 Overview of studies assessing the reuse potential of building services products 40
3.4 Limitations of current approaches for a holistic assessment of the reuse potential of building services products 44
3.5 Summary 45
3.6 Research hypothesis 46
Chapter 4 Research design 49
4.1 Overall research procedure 50
4.2 Developing the framework 51
4.3 Implementing the tool 51
4.4 Testing the framework and tool 52
4.5 Summary 52
Chapter 5 A comprehensive framework for assessing the reuse potential of building services products 55
5.1 Goal, scope, and data requirements 55
5.2 Condition assessment and determination of remedial works requirements 61
5.3 Assessment of the environmental, social, and financial performance 67
5.4 Assessment of the reuse potential of building services products 99
5.5 Considering uncertainty 100
5.6 Summary 103
Chapter 6 A spreadsheet-based tool to assess the reuse potential of building services products 105
6.1 Tool requirements 106
6.2 Tool architecture 108
6.3 Tool walkthrough 116
6.4 Tool verification 124
6.5 Tool validation 125
6.5.1 Validation strategy 125
6.6 Summary 130
Chapter 7 Application of the tool to case studies 133
7.1 Investigated aspects of the framework 134
7.2 Selection of case studies 135
7.3 Data sources 137
7.4 Case study 1: Reuse ex situ of an air-to-water chiller in an office building in Brussels, Belgium 144
7.5 Case study 2: Reuse in place of a recessed luminaire in an office building in Brussels, Belgium 158
7.6 Case study 3: Reuse in situ of one meter of circular air duct in an office building in Brussels, Belgium 167
7.7 Summary 175
Chapter 8 Discussion 177
8.1 Conditions for sustainable reuse of building services products over replacement or new purchase 178
8.2 Enabling a comprehensive and time-efficient assessment of the reuse potential of building services products 183
8.3 Limitations of the research and potential improvements to the developed framework and spreadsheet-based tool 186
8.4 Beyond building services products and office buildings 196
8.5 Perspective and critical reflection on the potential of reuse in the tertiary building sector 198
Chapter 9 Conclusion 201
9.1 Future research 203
Appendix A Regulatory framework for building services and office buildings in Brussels, Belgium 205
Appendix B Factors influencing the availability of reclaimed building services products in the marketplace 213
Appendix C A historical perspective on reusing building services in office buildings 217
Appendix D Detailed analysis of studies assessing the reuse potential of building services products 229
Appendix E Correlation analysis between social impact indicators 237
Appendix F Variables affected by uncertainty within the proposed framework 241
Appendix G Detailed structure of the databases used in the tool 247
Appendix H Data inputs used to model the validation case study 251
Appendix I Interviews with operators active in the reuse of building services 257
Appendix J Databases used to model the three case studies 281
Appendix K Method for calculating the metric coefficients for remedial works used to model the three case studies 349
Appendix L Project data entries used to model the three case studies 353
References 359