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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

756 PRECAST CONCRETE SOAKAWAYS

Ridgidrain ADS are available in unperforated, half perforated and fully perforated configurations. Perforated pipes may be used to form several different infiltration devices with carrier pipes used to transport surface water to the point where required.
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Ridgidrain Advanced Drainage System (ADS)
A structured twin wall drainage system manufactured in both High Density Polyethylene (HDPE) and Polypropylene (PP).
British Board of Agrément Certified High Density Polyethylene pipes.
Nominal diameters: 100, 150, 225, 300 and 375mm.
British Board of Agrément Certified Polypropylene pipes.
Nominal diameters: 400, 450, 500, 600, 750 and 900mm available plain ended or integrally socketed.
Non certified Polypropylene pipes.
Nominal diameter: 1050mm available plain ended only.
Bends and fittings:
Double socket couplers, sealing rings available in EPDM as standard, Nitrile seals available to special order. Bends - 11.25°, 22.5°, 45° and 90°, Junctions - 45° and 90° available for all diameters.
BBA Certification exists for bends and junctions from 100 - 600mm.
Consult Polypipe Civils Ltd technical literature for details. Polypipe Civils Ltd can also provide a design guidance and specification service for SUDS and it is recommended that they are consulted early in the design process.
NBS clause R12/756 is not wholly appropriate for the specification of Ridgidrain systems. Create an amended clause and insert the text below:

756A PLASTIC SOAKAWAYS

Soakaways:
Manufacturer: 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
Product reference: Polypipe Ridgidrain Advanced Drainage System (ADS) Soakaway
Pipes:
British Board of Agrément Certified High Density Polyethylene pipes
British Board of Agrément Certified Polypropylene pipes.
Bends and fittings:
Double socket couplers, sealing rings available in EPDM as standard, Nitrile seals available to special order.
Bends: 11.25° / 22.5° / 45° / 90°
Junctions: 45° / 90°
BBA Certification exists for bends and junctions from 100 - 600mm.
Sizes:
Nominal diameter: 100mm / 150mm / 225mm / 300mm / 375mm - for British Board of Agrément Certified High Density Polyethylene pipes.
Nominal diameters: 400, 450, 500, 600, 750 and 900mm - for British Board of Agrément Certified Polypropylene pipes. Available plain ended or integrally socketed.
Nominal diameters: 1050mm - for Non certified High Density Polyethylene Pipes. Plain ended only.
Surround:
For typical laying, trench and backfilling specification details reference should be made to the Manual of Contract Documents for Highway Works (MCHW), Volume 1 clauses 503 and 505.
For typical installation, backfilling and specification details reference should be made to figure 3, MCHW, Volume 1, Series 500 and drawing F2
Colour/message: Black outer wall/Blue inner wall. Smaller diameters can be both black outer and black inner wall. Other options available on request.