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Table 2
Index interpretation.
| Guideline layer B | Indicator layer C | Index interpretation |
|---|---|---|
| Policy factors B1 | Government support policy C11 | The extent of government policy support and incentives for the application of prefabricated construction and BIM technology. |
| Government supervision mechanism C12 | The government promotes the role of BIM technology in the development of the prefabricated construction industry, and the effectiveness and compliance of its regulatory mechanism. | |
| BIM industry standard system C13 | The promotion and implementation of BIM standards formulated by industry organizations or governments in the field of prefabricated buildings. | |
| The perfection of laws and regulations C14 | The extent to which laws and regulations related to the application of prefabricated construction and BIM technology are sound. | |
| BIM promotion policy C15 | The government’s promotion policies and support measures for BIM technology in prefabricated buildings. | |
| Economic factors B2 | Engineering profit margin C21 | An important index to measure the profit obtained after the completion of the project, which is used to evaluate the economic benefits of prefabricated construction projects under BIM technology. |
| The BIM cost is put into C22 | Assessment of the investment costs required to introduce BIM technology and prefabricated buildings. | |
| ROI (Return on Investment) C23 | Evaluation of return on investment from BIM technology and prefabricated construction. | |
| Unilateral construction cost C24 | Cost savings and efficiency gains brought about by BIM technology in the prefabricated construction process. | |
| Technical factors B3 | Assembly rate C31 | The proportion and number of prefabricated components used, and the application of prefabricated components in the overall building. |
| BIM contract execution rate C32 | Evaluate the actual application of BIM technology in the project execution phase, and the degree of compliance with the BIM application requirements and objectives specified in the contract. | |
| The number of authorized BIM-related patents C33 | To assess the innovation capacity and technical strength of the prefabricated building industry in the field of BIM technology, as well as the technological competitiveness in this field. | |
| Staff BIM training rate C34 | Measure the training of employees in BIM technology in prefabricated construction enterprises or organizations to assess their mastery and application level of BIM technology. | |
| Precast component qualified rate C35 | The higher the pass rate, the better the quality of the prefabricated components in the prefabricated construction process, which has a positive impact on the successful implementation of the whole project and the stability of the building quality. | |
| Number of prefabricated component enterprises C36 | To measure an important aspect of the high-quality development of the prefabricated construction industry, the following is an explanation of the indicator. | |
| BIM collaborative platform sharing level C37 | The synergy and information exchange of BIM technology in various links of prefabricated buildings. | |
| Environmental factors B4 | BIM design energy saving C41 | The effect of BIM technology on energy saving and carbon emission reduction in prefabricated buildings. |
| Green Building C42 | The green and sustainable development of prefabricated buildings supported by BIM technology. | |
| Building materials and resources C43 | Optimization and economy of BIM technology in the use of prefabricated building materials and resources. | |
| Market factors B5 | BIM market demand C51 | Market demand for the application of BIM technology in prefabricated buildings. |
| BIM market recognition C52 | Awareness and acceptance of BIM technology in the prefabricated building industry. | |
| BIM industrial chain integrity C53 | The competitiveness and status of prefabricated construction enterprises in the application of BIM technology | |
| BIM technology popularity C54 | The popularization of BIM technology in the prefabricated building industry. |
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