Supply & Installation of a Storm Attenuation System

Category
Building Maintenance
About This Project

Awarded by SISK to supply & install the storm attenuation system for the Lewisham Gateway project.

A storm attenuation system is a modular cell solution designed with a 95% void ratio to retain large volumes of water run-off, which forms an attenuation structure for the control of storm water.

The cells are structurally strong, individual modular cells that can be built to form a structure of any shape or size.

Works included excavating the area, installation of 314nr Hydro International Stormbloc Units that were then wrapped in geo-textile membrane and backfilled.

A Control Manhole Chamber was also supplied and installed to manage the flow of water exiting the attenuation system into the nearby river.

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