British Water Members' Handbook 2017 2017 Edition | Page 58

Thames Water utilises Weholite
technology in UK’s largest
plastic outfall line
One hundred and fifty years ago the Victorians
undertook a feat of engineering so spectacular
that it was the envy of the world. The vast
London sewerage system was unprecedented in
scope and scale, however the demands of an
increasingly populated modern day London are
proving too much for the antiquated network.
twin culvert pipeline outfall, which as well as servicing the
Lee Outfall Tunnel, will also be the final discharge point for
the Thames Tideway tunnel.
Thames Water is developing three major multi-billion pound
engineering schemes to help prevent sewer overflows and
improve water quality in the Thames.
Asset, in conjunction with their parent company, Uponor,
was tasked by main contractors MVB to provide 880 metres
of 3000mm internal diameter Weholite pipe to create the
The £635m Lee Tunnel will manage discharges from Abbey
Mills Pumping Station in Stratford - London’s largest CSO -
which accounts for 40% of the total discharge. In 2013 Asset
International supplied over 5km of Weholite HDPE pipe for
the Beckton Sewage Treatment Works upgrades. Weholite
pipes were supplied in various sizes; ranging from 400mm
to 3000mm in diameter. The pipes were used throughout the
extensive project for inter-process pipe work, and all of the
associated chamber fabrications.
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