Summary of advantages and disadvantages of existing main sustainability assessment methods
| Method (technique) | Application | Advantages | Disadvantages |
|---|---|---|---|
| LCA | All civil infrastructure and buildings |
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| WLC | All civil infrastructure and buildings |
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| BRSs | Mainly applicable to buildings |
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| Ceequal | All civil infrastructure and buildings |
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| Halstar | All civil infrastructure and buildings |
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| SPeAR® | All civil infrastructure and buildings |
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| Method (technique) | Application | Advantages | Disadvantages |
|---|---|---|---|
| LCA | All civil infrastructure and buildings | Applicable throughout the life cycle of projects Applicable for environmental risk management and strategic decision-making | Large data input requirement Very time-consuming process Lack of social impacts consideration |
| WLC | All civil infrastructure and buildings | Applicable throughout the life cycle of projects Useful for appraisal of future financial needs of projects | Requires considerable knowledge and expertise to use Lack of standardised methodology |
| BRSs | Mainly applicable to buildings | Multi-dimensional assessment often verified by a third party Normally includes a green building certification scheme | Can be applied only to building construction sector Does not consider the economic (financial) aspects of projects |
| Ceequal | All civil infrastructure and buildings | Evidence-based assessment Assessment by trained assessor as well as review and validation by an external verifier | Award-focused Lack of a balanced holistic approach (emphasis on environmental considerations) |
| Halstar | All civil infrastructure and buildings | Based on systems thinking approach A comprehensive database of criteria and indicators | Complicated, time-consuming process Potential for tool fatigue |
| SPeAR® | All civil infrastructure and buildings | Flexibility and ability to be modified Not reward-driven No weighting for indicators/criteria | Oversimplified scoring system Very broad and generic indicator sets |
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