chambers among others. Lee Tunnel is part
of the Thames Water’s London Tideway
Improvement plan. This particular scheme is
believed to be responsible for returning
River Thames to cleanliness level which is
acceptable come 20232. The scheme of the
improvement consists of three projects
including upgrade to the five main treatment
works which are found along River Thames.
Tideway pumping station is at the heart of
the Lee Tunnel, a 38m diameter by 87m
deep pumping shaft which is located at the
Beckton STW. The main purpose of this
particular component is to ensure that there
is transfer of the volume of the tunnel into
the Beckon for activities of the treatments.
The engineering of the pumping station has
been done in a manner to allow for the
operation under both the future Thames Tide
way Tunnels loads and the Lee Tunnel
flows.
2 Guerbaoui, M., El Afou, Y., Ed-Dahhak, A., Lachhab, A. and
Bouchikhi, B., 2013. Pc-based automated drip irrigation
system. International Journal of Engineering Science and
Technology, 5(1), pp.221-225.
Literature Review
The required improvement to the London’s
sewer system is generated by the Lee Tunnel
through removal of the combined discharge
of sewage and storm water to the lower
River Lee and River Thames. The Tunnel
which is expected to have 7.2m as the
diameter is having its construction at an
average of 75m just below the ground levels.
This is the basis of running 6.9km from
pumping station of Abbey Mills complex in
Stratford to Beckton STW which is found in
the East of London. As the volume of the
tunnel is filled with the flow which enters
the tunnel, there is expected rise in the level
of the three wet shafts.3 The three shafts
include the connection shaft, shaft F at the
Abbey and the overflow shaft.
The wet well for the Tideway Pumping
Station is essentially the Connection Shaft
system which in the whole Tideway system
3 Keppen, D. and Dutcher, T., 2015. The 2014 drought and water
management policy impacts on California’s Central Valley food
production. Journal of Environmental Studies and Sciences, 5(3),
pp.362-377

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Dry Well Pump Station Construction: A Case Study of Lee Tunnel

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