SUDS / Water Management

Over two thirds of the 60,000 homes affected by the 2007 summer floods, were flooded by surface water run off!

A sustainable approach to all surface drainage is needed to ease the burden on the already overloaded systems. Sustainable Urban Drainage Systems (SUDS) offers a solution with Concrete Block Permeable Paving (CBPP) playing a major role.

CBPP addresses both flooding and pollution whilst providing a surface designed to support traffic loads, CBPP allows water to pass between the aggregate filled joint of each block to the permeable sub base below where it is retained for slow release either to the ground or to a drainage system.

Benefits

• Instant water management via joint to permeable sub grade
• Water retention-with slow release
• Suitable for traffic loads
• Typical applications: civil, retail, commercial and residential streetscapes.

Challenges

• Higher incidence of weed growth within the joint than traditional paving.
• Erosion of jointing aggregate from cleaning regimes
• Erosion of jointing aggregate from traffic draft

Solution

RESIBLOCK Envirofix is a unique jointing aggregate stabiliser. It will stabilise the jointing aggregate within CBPP whilst allowing the unimpaired passage of surface water via the joint:

• Significantly reduce weed growth
• Prevent jointing aggregate erosion from cleaning regimes and trafficking
• Will not adversely reduce the permeability of the aggregate filled joint allowing the passage of water at approx. 18,750 litres/sec/hectare*

(*product tested Marshalls Priora)

The image demonstrates fully bonded Jointing aggregate with RESIBLOCK Envirofix allowing unimpeded water flow

Next Steps