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| NO. | Specific indicator content | Values | Scores | Optimized measures |
|
| 1 | Dust control: visual inspection of the fugitive dust height in the earthwork area (m) | 1.5 | 1 | (i) Establish vehicle rinsing facilities at the entrance and exit of construction site |
| (ii) Pave the roads on construction site |
| (iii) Stockpile and cover granular materials such as sand, gravel and cement |
| (iv) Clean and sprinkle construction area regularly daily |
| (v) Waste classification must be in place for construction waste |
| (vi) Enwrap scaffolding with green closely knitted safety net |
|
| 2 | Ambient noise at daytime (dB) | 65 | 1 | (i) Reduce the noise of concrete vibrators, use low-frequency vibrators instead of high-frequency vibrators |
| (ii) Isolate inevitable noise sources |
|
| 3 | Suspended solid content in sewage water (mg/L) | 300 | 1 | (iii) Equip effective sewage treatment facilities |
| (iv) Build settling ponds, oil interceptors, and septic tanks |
|
| 4 | Recycle and recovery ratio of construction wastes (%) | 15 | 0 | (v) Improve the recovery and reutilization of construction wastes |
|
| 5 | Reuse ratio of field temporary housing and retaining wall material (%) | 40 | 1 | (vi) Improve the reutilization of temporary housing and retaining wall material |
|
| 6 | Illumination should not exceed the percentage of the minimum illumination (%) | 20 | 1 | (vii) Properly reduce the number of lightings |
|
| 7 | Equip ratio of water-saving devices in administrative area and living quarters on site (%) | 80 | 1 | (viii) Increase the equip ratio of water-saving devices |
|
| 8 | Ratio of premixed mortar to building mortar (%) | 65 | 1 | (ix) Increase the ratio of premixed mortar |
|
| 9 | Ratio of ordinary rebar with higher grades than 400 MPa (%) | 45 | 1 | (x) Increase the use of ordinary rebar with higher grade than 400 Mpa |
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