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ADS StormTech is the first combined SuDS attenuation and water quality management system to have 3rd party verification, meeting the mitigation indices (MIs) for medium pollution hazards, as detailed in Table 26.2 of CIRIA C753 The SuDS Manual and calculated in accordance with the British Water 'How To Guide'.
The results are published on the British Water web site.
The MIs for ADS StormTech's Isolator Row - the inbuilt water quality treatment device, are TSS = 0.8, Metals = 0.6 and Hydrocarbons = 0.7, meeting the requirements for Medium Pollution Hazard applications and the TSS requirements of High pollution hazard applications.
This means that an ADS StormTech system can satisfy the water quality requirements on appropriate projects without the need for additional treatment equipment - this is a requirement with virtually all other below ground SuDS attenuation systems - meaning significant savings on capital and operational costs.
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