HOBAS Retention Systems

HOBAS Sewer Overflows are supplied as modular systems manufactured to the planner's specifications and the requirements on the construction site. The individual units are quickly, easily and safely assembled to form a complete, permanently leak-tight structure without requiring any further finishing work.

The modular HOBAS Sewer Overflow System generally consists of the following units:

  • Inlet structure
  • Connecting pipes
  • Inspection manhole / GRP tangential manhole
  • Outlet structure / GRP manhole
  • Combined structures (distributing or combining structure)
Scope of Supply
Nominal Diameter [DN] 200 - 3600 mm
Products - Water Intake Structures
- Water Outlet Structures
- Various Inspection Manholes with Ladders
- Flood Protection Systems

Special Features

  • Modular system
  • Low roughness coefficient
  • Low weight
  • Short construction time / simple push-on connection
  • Long service life
  • Chemical resistance
  • Low maintenance
  • Expandability as required