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R12 DRAINAGE BELOW GROUND

Polypipe Civils Ltd, Union Works, Bishop Meadow Road, Loughborough, Leicestershire, LE11 5RE. Tel: 01509 615 100. Fax: 01509 610 215. Web: www.polypipecivils.co.uk

168 GROUNDWATER PRESSURE RELIEF BLANKET DRAIN

Polypipe Type 9 Geotextile Sheeting
A BBA Certified geotextile sheet.
Consult Polypipe Civils Ltd technical literature for details

Geotextile membrane: Polypipe Type 9 Geotextile Sheeting

Jointing: Reference should be made to MCHW Volume 1, clause 515 and Volume 3, Drawing Nos F18 - 21.
Lay a maximum of 15m of geotextile before covering with aggregate to prevent uplift. Place geotextile patches over tears with minimum lap of 300mm beyond extent of damage and cover immediately to retain in place.

Pipe drains:
Polypipe uPVC Land Drainage to BS 4962:1989
Polypipe Polypropylene Land Drainage Pipes to BS 4962:1989
Polypipe High Density Polyethylene Land Drainage Pipes to BS 4962:1989
Polypipe Ridgidrain ADS Filter Drain