Excavation Pipes
The prefabricated manholes allow for the undeniable advantages of rainwater drainage in excavation situations, replacing the traditional process of "in situ" concreting of the entire structure.
Main advantages/features:
- Ease of execution;
- Quick assembly;
- Superior quality of the parts, only achieved in prefabrication;
- Maior durabilidade;
- Greater durability;
- Greater safety when working in trenches of great depth.
