UKCW Birmingham: 1-3 October 2024 | NEC
UKCW London: 6-8 May 2025 | ExCeL


Eastern High School

SDS Limited Stand: N140
Eastern High School
The UK's first installation of SDS Aqua-Filter™


Eastern High is a new high school and further education centre, funded by Cardiff Council and the Welsh Government as part of the £164 million ‘21st Century Schools’ upgrade programme across Cardiff. It replaces the former Rumney High School which was demolished to make way for the new, much larger premises.

Eastern High’s aim is to create an inspiring educational environment that provides a smooth transition for high school leavers to continue in further, post-16 education and training on the same premises. It also supports the wider local community with a range of leisure and learning facilities.


Works were carried out in an environmentally sensitive location with measures taken to protect the existing development from pollution and damage during both demolition and construction.

Consultation with Natural Resources Wales established that there should be no water pollution into the Severn Estuary and that the scheme should include provision for regular monitoring of water quality, including visual checks.

SDS Aqua-Filter™ has been installed as part of a complete water management programme, connected upstream to an Aqua-Swirl™ separator and downstream to a GEOlight® stormwater attenuation system. It provides a high level of water quality treatment through the use of the Aqua-Swirl™’s swirl chamber for pre-treatment, followed by a filtration chamber for secondary treatment.


This scheme was required to treat and remove suspended solids from surface water runoff during both the demolition and construction works.

The treatment flow rate of the Aqua-Filter™ system is engineered to meet or exceed the local water quality treatment criteria and form an intrinsic part of the SuDS solution train. The three SDS GEOlight® geocellular attenuation tanks have the combined capacity to store up to 1,950m3 of treated water.


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