Run-off control in sewage networks

Storage drains with adjustable weirs

→ Cascade/flushing/constriction weir (Uhrig); left: cascade weir structure; right: precast element

Storage drains are stormwater tanks with a linear layout and a circular or rectangular cross-section. They are used for stormwater retention, combined sewage treatment and stormwater settling. Besides storage, these systems also enable settling of some of the particulate matter.

Types of structures

Stormwater retention drains: stormwater retention basins designed as combined or separate systems

Stormwater storage drains: stormwater storage

Storage drains: storage of combined sewage, stormwater overflow basins

Benefits

These systems can be tailored to existing routings and have a small footprint....

Issue 02/2015 An innovative tool to increase tractive stress

Sewage flow accelerator system consisting of interlocking precast blocks

A large number of sewers run through the Düsseldorf city area and convey wastewater and stormwater to several treatment plants. Every sewer is designed for certain hydraulic parameters to prevent...

Issue 02/2017 Challenges with respect to surface design

Water-sensitive design of street spaces

The design of urban streets must consider not only their traffic function but also requirements for the drainage of built-up areas. The expected effects of climate change require a water-sensitive...

Issue 11/2012 Berding Beton GmbH

Egg-shaped pipes for combined sewer

A combined sewer has recently been rebuilt in the German city of Oldenburg. Egg-shaped reinforced-concrete pipes manufactured by Berding Beton GmbH in compliance with the quality guidelines of the FBS...

Issue 04/2014

Blue Route Mall – A green guide for responsible urban development

South Africas largest sustainable urban drainage system (SUDS) and permeable paving project to date was completed in August 2013 at a new Cape Town shopping center, Blue Route Mall. Located in Tokai...

Issue 11/2017 Josef Schnurrer/FBS

Sewer with storage capacity and overflow in high-quality design

Waste water treatment must comply with the best available technologies according to the Water Framework Directive of the European Union. In order to meet these requirements, the Frankish town of...