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Reducing sewage overflows through storage in sustainable precast permeable pavements (StoragePave)

Reducing sewage overflows through storage in sustainable precast permeable pavements (StoragePave)

Challenge: Discovery Discovery: Finalist
Water cycle: Rivers, catchments, groundwater
Funding amount: £50,000
Delivery stage: In progress
Est. completion date: Nov 2023

Reducing sewage overflows through storage in sustainable precast permeable pavements (StoragePave)

Amount awarded: £50,000

Led by: Imperial College London

Untreated sewage is discharged into waterways from combined sewer overflows (CSO), significantly impacting public health and the environment through its harmful pollutants, which occurred >300,000 times in England in 2022. We have developed a next-generation permeable pavement (Kiacrete) with proven high performance that captures stormwater. Our aim is to develop and test a new modular precast Kiacrete pavement system, that stores and gradually releases stormwater to significantly decrease the frequency and severity of CSO events. This will lead to significant environmental and public health improvements, more resilient and sustainable water sector and built environment infrastructure, and lower water customer bills.

 

Image of two women in hard hats and PPE pointing at concrete slab
Image of paving slabs stacked up outside