Vertical Rain Garden - London Bridge

Introduction

The Original Living Wall - Tooley Street

Team London Bridge installed the initial Tree Box green wall / vertical rain garden on Tooley Street in the spring of 2013 as part of the Drain London sustainable urban drainage program. The green wall was an instant hit with local business and residents. After a successful trial period Team London Bridge decided to triple the length of the green wall in the spring of 2015. The wall has come to fruition thanks to designs by The Green Roof Consultancy via the London Bridge Green Infrastructure Audit. In this phase of the project Treebox were the team that developed the technology and installed the system. 


Solution

The Innovative Rain Garden System

Like any well-designed living wall the inclusion of mixed native planting attracts biodiversity, adds winter colour and provides texture. But what makes this project unique is the ability to harvest enough rain water in storage tanks concealed behind the planting, to sustain the living wall for up to 6 weeks. This innovation allows the plants to absorb the water in a controlled way via capillary action, negating the need for a pressurised irrigation system that would require power and a water supply. The system not only stores water for irrigation, but also attenuates storm water in peak rain periods, which in-turn prevents localised flooding. We are really excited about this innovation as it could revolutionise the way vertical greening can be introduced into non-serviceable areas around the city.

The Planting Team. Treebox & the Local Community


Result

The Completed Vertical Rain Garden

Due to the innovation of the system, Fair Street's vertical rain garden has been nominated for a sustainability award by Sustainable Water Industries Group (SWIG).


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