are generally simpler and easier to
operate, monitor and maintain….
Where SuDS are on the surface, high
quality visual impact is essential to
ensuring public acceptability and
maximise amenity benefits.”
Flexible Applications management train’. Water in open
In fact, it can also accept runoff SuDS features on the surface can then
from other impermeable paving and be used safely to enhance landscape
roofs, giving further savings. It can design and biodiversity.
simply infiltrate rainwater falling on
it straight into permeable ground, Interpave’s new ‘Design and
after removing pollutants. But, more Construction of Concrete Block
By its very nature, concrete block commonly in the UK, permeable Permeable Pavements’ guidance
permeable paving is uniquely paving is used to collect and store includes an extensive new Glossary
placed to meet these requirements, water on site during storms, before and covers the most recent permeable
as an attractive, surface-based, gradual discharge to other SuDS paving techniques, such as overlays
multifunctional SuDS technique. Of features along the ‘management train’, to existing road constructions
course, hard surfaces are necessary to surface water or combined sewers, and enhanced, predictable water
for developments anyway – for or to watercourses. storage using flow controls. The
structural and hydraulic engineering
roads, parking, shared spaces or
play. But permeable paving also This attenuation and delayed design procedures have been
provides an inherent drainage system discharge from the permeable comprehensively updated and new,
that requires no additional land paving avoids drains surcharging straightforward maintenance and
take for water storage, treatment and downstream flooding. Where reinstatement guidance added.
or conveyance. It also addresses a comprehensive SuDS scheme is both flooding and pollution issues, planned incorporating landscape eliminating pipework, gulleys and features, concrete block permeable manholes, and should therefore cost paving removes water-borne pollution less than conventional drainage and provides a gradual flow of clean and paving. water at the head of the ‘SuDS
The guide is freely available
to download via the Design
Construction & Maintenance
section of www.paving.org.uk