Effective sports pitch drainage

A testing time for pitch drainage systems

The continuous wet weather has really tested pitch drainage systems.  Heavy clay pitches can remove surface water adequately provided slit drains remain sandy at the surface and do not get capped over with the clay topsoil – and lateral drains below are able to discharge the drainage flow to the outfall.

For this to happen it is vital that pitches build up a depth nearing 25mm of sand over a period of three to five years.  This means that slit drained pitches must receive regular sand dressings – at least annually – Without this covering regular play soon dislodges the clay topsoil to cover the slits and render them impermeable.

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