1. Asphalt cutting
2. Trench excavation
3. Trench excavation
4. Compaction process
5. Sewerpipe installation | 6. Trench backfilling
7. Trench backfilling
8. Manhole installation
9. Manhole (cover and frame) installation
10. Asphalting | 11. Asphalting
12. Supervision team of WDD
13. Site offices of WDD
14. Project sign board |