1. Hacking plat form and guide wall

2. Carry out debris

3. Escavate soil until -3,80 and -1,10 use excavator

4. Soil protection (especially at Pesona Square Project)

5. Marking the cut of level capping beam bottom level

6. Hacking D-Wall and Trimming

7. Putting waterstop at the center of capping beam

8. Installation rebar and starter bar

9. Installation formwork

10. And then casting concrete