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)

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