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| Type | Task | Content |
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| Green design scheme (including preliminary design, technical design, and construction design) [31] | Green design of engineering structure | Reduce the occupation of cultivated land, strengthen the design of disaster prevention and mitigation, improve the health and durability of the project, implement the function of energy conservation and emission reduction; taking the systematic design of engineering and environment as an opportunity to intervene in the comprehensive management of ecological restoration and promote the harmonious coexistence of engineering and human activities |
| Green design of temporary engineering | Design temporary engineering from the perspectives of sustainable use of the site, permanent and temporary integration, convenient transportation, and emission reduction |
| Green design of environmental protection facilities | Ensure the realization of green production in railway operation and solve environmental problems such as waste discharge management, vibration noise elimination, electromagnetic radiation barrier, and so on |
|
| Green construction scheme (construction organization design, clear resource allocation, production layout, technology, etc.) [32] | Disturbance control | Reduce the disturbance or damage to the natural environment caused by construction operations |
| Resource-saving | Improve the efficiency of resource utilization and strengthen resource management |
| Pollution prevention and control | Reduce the discharge of pollutants in construction operations, treat the output pollutants, and discharge them to standards |
| Ecological remediation | Site restoration, planting grass, and trees, etc. |
| Labor conservation and protection | Environmental protection education, environmental protection skills training, environmental protection theme activities, green operation environment construction, etc. |
|
| Green planning scheme | Green knowledge innovation plan | The establishment of scientific research projects aiming at the knowledge blind spots and difficult problems of green knowledge reserve usually depends on the needs of national scientific research plans or projects |
| Green culture creative plan | In order to promote group cohesion, cultural unity action should be carried out aiming at the pluralism of group ideology of participants in engineering practice |
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