| Dimension | Codes | Indicator | Sources |
| Economic sustainability (Eco) | Eco1 | Internal return ratio (IRR) | [10, 44] | Eco2 | Land value-added benefit around the project | [10, 39, 45] expert interviews | Eco3 | Life-cycle cost | [10, 18, 39, 46–48] | Eco4 | Sustainable cash flow | [10, 45] | Eco5 | Effects on local economy and development | [10, 45, 49] | Eco6 | Fiscal pressures of government | [50, 51] expert interviews |
| Social sustainability (Soc) | Soc1 | Public satisfaction | [13, 46–48, 52] expert interviews | Soc2 | Provision of employment opportunities | [10, 39, 45, 53] | Soc3 | Potential impact on social development | [10, 45, 54] | Soc4 | Trust between public and government | [55, 56] | Soc5 | Provision of ancillary infrastructure to local area | [10, 45, 47, 48] | Soc6 | Improvement of the cognition level of the public regarding sustainable development | [45, 57, 58] |
| Resource and environment sustainability (Res) | Res1 | Effect on water quality | [10, 45] | Res2 | Reduction of pollutant discharge | [59, 60] expert interviews | Res3 | Energy efficiency (e.g., reduction of energy consumption and use of renewable energy resources) | [10, 18, 45, 61] | Res4 | Biodiversity protection | [10, 39, 46] | Res5 | Protection for landscape and historical sites | [10, 39, 46, 61] | Res6 | Sewage treatment rate | [62, 63] expert interviews | Res7 | Comprehensive utilization of water resources | [46, 64] | Res8 | Use of innovative materials | [10, 18, 39, 46, 61, 65] |
| Engineering sustainability (Eng) | Eng1 | Completeness of supporting facilities for the project | [66] expert interviews | Eng2 | Renewal of project facilities | [9, 13] | Eng3 | Construction quality | [61] | Eng4 | Control of pollution sources | [59, 60] | Eng5 | Adoption of advanced engineering technology | [9, 44] | Eng6 | Project quality during operation | [52] | Eng7 | Sustainability of the technology itself | [52, 67] expert interviews | Eng8 | Capabilities of operation and maintenance | [9, 64] | Eng9 | Utilization of construction waste | [9, 39, 46–48, 61] | Eng10 | Waste recycling and reuse | [39, 46, 57] |
| Project management sustainability (Pro) | Pro1 | Organization structure | [25, 47] | Pro2 | Continual improvement of the operation management system | [52, 67] | Pro3 | Competence and skills of the project team | [47, 68] | Pro4 | Contractual arrangements | [13, 25, 44, 61] | Pro5 | Establishment of the PPP contract renegotiation mechanism | [25] expert interviews | Pro6 | (Good) relationship with stakeholders | [47] |
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