Table 1: Comparison of Smart Drain with other solutions
Solution |
Jet grouting wall |
Split grouting |
Geo-membrane |
Smart Drain belt |
Item |
Quantity & cost |
Quantity & cost |
Quantity & cost |
Quantity & cost |
Quantity |
Drill holes: 318 Drill length: 4286m Wall area: 7722m2 |
Drill holes: 572 |
Drill length: 7606m |
Excavation 7808m3 Backfill: 7278m3 Concrete: 530m3Geo-membrane: 11233m3 |
Total cost |
RMB2.2M (US$274,652) |
RMB2.045M (US$252,887) |
RMB1.87M (US$232,112) |
RMB100,000 (US$12,366) |
|