SUSTAINABLE URBAN DRAINAGE SYSTEMS

Structural design of modular geocellular drainage tanks

Posted on 23/Jan/2009

Specifiers and Designers should consider the guidance offered in the CIRIA report C680 prior to specifying attenuation and soakaway systems using plastic modular storage units.

The full report is available for purchase from the CIRIA website www.ciria.org

Report: Structural design of modular geocellular drainage tanks (C680)

Description: Stormwater attenuation tanks constructed using modular plastic geocellular units are commonly used as part of sustainable drainage and rainwater reuse systems. This guidance discusses the different type of unit that are available and the differences in their structural performance. It provides information on many full scale trials that have been carried out on various systems and gives a detailed assessment of the factors that affect their structural performance. It also includes guidance on appropriate testing and structural design together with a discussion of the practical issues that should be considered during construction.

There is wealth of information now available about the performance of plastic geocellular tanks. Those that are designed and constructed in accordance with normal structural and geotechnical principles should provide a safe and durable solution for storage of stormwater below ground.

NOTE: Stormwater Management Ltd SUDS systems were included theStructural design of modular geocellular drainage tanks research study (C680).

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