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Table 4.

Common engineering measures and quantities used in pilot cities in the SCCP.

No.MeasureQuantityNo.MeasuresQuantity
Green roof (hm2)a 801 15 Vegetation buffer (hm252 
Previous pavement (hm22,422 18 Artificial lakes (hm2496 
Sunken lawn (hm22,513 19 Wastewater treatment (t/d) 935,000 
Bio-retention tank (hm21,050 20 Pumping station (m3/s) 20,912 
5, 6 Detention tank (m31,748,001 21 Pipeline reconstruction (km) 2,170 
7, 8 Storage volume (m3775,863 22 Canals & ditches (km) 163 
12, 13 Artificial wetland/ponds (hm21,891 23 River way treatment (km) 470 
14 Grassed swales(hm2172 24 Afforestation (hm210,561 
No.MeasureQuantityNo.MeasuresQuantity
Green roof (hm2)a 801 15 Vegetation buffer (hm252 
Previous pavement (hm22,422 18 Artificial lakes (hm2496 
Sunken lawn (hm22,513 19 Wastewater treatment (t/d) 935,000 
Bio-retention tank (hm21,050 20 Pumping station (m3/s) 20,912 
5, 6 Detention tank (m31,748,001 21 Pipeline reconstruction (km) 2,170 
7, 8 Storage volume (m3775,863 22 Canals & ditches (km) 163 
12, 13 Artificial wetland/ponds (hm21,891 23 River way treatment (km) 470 
14 Grassed swales(hm2172 24 Afforestation (hm210,561 

a1 hm2 = 10,000 m2.

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