Hepworth Clay inspection chambers
Hepworth Clay offers a range of multi inlet access and inspection chambers for private drainage applications up to a maximum depth of 1.2m.

ETIM CLASS
OUTER PIPE DIAMETER
DIAMETER
OUTER PIPE DIAMETER CONNECTION 1
OUTER PIPE DIAMETER CONNECTION 2
LENGTH
WORKING LENGTH CONNECTION 1
WORKING LENGTH CONNECTION 2
LENGTH OF CONNECTION 1
LENGTH OF CONNECTION 2
CONNECTION 1
CONNECTION 2
THREAD SIZE METRIC (M..)
HEIGHT
WIDTH
MATERIAL
COLOUR
MODEL
SHAPE
MAIN MATERIAL
INNER DIAMETER
NOMINAL INNER DIAMETER CONNECTION 1
SURFACE PROTECTION
RING STIFFNESS CLASS
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System Information
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Recycled aggregate reduces environmental impact of Wolseley Sustainable Building Centre
Following the decision by Wolseley UK and its appointed Consulting Engineer, Fulcrum Consulting, to specify Hepworth’s SuperSleve clay drainage system, Hepworth was asked to advise the sub-contractor on ways of improving the sustainability of the project on site.
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Hepworth Clay plays a part in new £200 million training ground
Built on an 80 acre industrial site in Manchester, a new £200 million state-of-the-art football academy and training ground is set to benefit from a durable underground clay drainage solution from Hepworth Clay which will offer low lifetime cost and a long service life.
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Wolseley UK chooses SuperSleve for Sustainable Building Centre
When Wolseley UK commissioned the construction of The Sustainable Building Centre project in Leamington Spa, SuperSleve clay drainage from Hepworth was an obvious choice.
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Hepworth Clay – The long-term drainage solution for Scotland’s new blood centre
For the new £33m Scottish National Blood Transfusion Service (SNBTS) Centre of Excellence near Edinburgh, the specification of clay pipes from Hepworth Clay as an underground drainage solution will provide durability, long term performance and a low lifetime cost.
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Hospital drainage at full strength thanks to Hepworth SuperSleve Clay pipes
Offering inherent strength and low lifetime cost, Hepworth Clay drainage has been specified for the largest all single room hospital in the UK ensuring a major new healthcare facility will be operating at full strength when it opens in 2017.