The latest news and views from SAPCA
SUSTAINABLE DRAINAGE FOR SPORTS SURFACES
SAPCA is working with Loughbrough University on this water management project, Murray Simpson talks us through the issues
W
ith changes in planning rules and implications of climate change, the management of drainage from sports pitch-
es is fast becoming an issue for the sports pitch construction industry. The treatment of sports surfaces as impermeable areas and the tight dis- charge consents granted by local authorities often means that costly attenuation systems have to be included in sports pitch construction. But, are these complex systems really necessary and could the money be better spent within the project?
AddRESSing ThE iSSUE Loughborough University is currently conducting a research project – supported by SAPCA, the
Typical catch pit for installation of monitoring equipment
Institute of Groundsmanship and Sport England – to assess the drainage behaviour of pitches. The project is investigating the fate of rainfall as it infiltrates through sports pitches en-route to the drainage system and aims to provide useful guidance for future pitch design. At present, pitch drainage systems design is
based on the potential for all the rainfall that hits the pitch surface to be discharged via the drainage system. This criterion, which is imposed by planning authorities, is a means of restricting significant volumes of surface run-off entering lo- cal drainage systems and possibly leading to flash flooding. This frequently sets low site discharge rates and often means expensive attenuation sys- tems have to be specified within the pitch design. However, there is potential for sports pitches to act as potential sinks for drainage water due to their attenuation properties.
PROjECT AimS Loughborough University’s School of Civil and Building Engineering is currently one year into a project that is looking into the drainage be- haviour of pitches by applying the principles currently used in the design of Sustainable Urban Drainage systems (SuDs). The aim of the project is to understand in detail the drainage behaviour of pitches and to produce some design guid- ance to allow the true drainage behaviour and
74 Read Sports Management online
sportsmanagement.co.uk/digital
The quality of natural turf surfaces affect the standard of performance
properties of the pitch to be accounted for in planning and design assessment. The work involves three phases: the construc-
tion of an advanced computer model of pitch drainage behaviour, laboratory tests on material drainage properties and scale pitch tests as well as monitoring full pitches by measuring rain fall and drainage discharges. Field monitoring is carried out by installing a
rain gauge and a flow meter (designed by Lough- borough University) at the pitch. This allows the volume of water ‘in’ to be assessed relative to the volume of water ‘out’.
gOing FORwARd As the project enters its second year, the project team is looking to collect as much information and experience as possible from the sports in- dustry. The team is currently installing monitoring equipment at sites across the country, but is look- ing for more sites to take part in the research. If you have a sports pitch that may be suitable for evaluation contact
m.simpson2@
lboro.ac.uk.
Murray Simpson is a PhD research student at Loughborough University’s Department of Civil and Building Engineering
Issue 1 2012 © cybertrek 2012
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