These photos taken deep beneath London’s streets reveal hidden work on the capital’s 25km (15 mile)-long super-sewer.
Engineers may be seen drilling, sweeping and excavating to create the huge tunnel which can run from Acton within the west of the capital to Abbey Mills within the east.
These footage have been taken at one of many most important digging websites and present staff persevering with to tunnel deep beneath the floor to assemble the tremendous sewer.
Work is beneath approach at 23 websites throughout the capital with 4 tunnel boring machines (TBM) being used to burrow deep beneath the floor, Tideway stated.
The tunnel will deepen from 30m within the west to 50 or 60m deep within the east, the place it can be a part of up with the Lee Tunnel to move all sewage for remedy.
It will likely be a lot deeper than present sewers, and primarily observe the course of the River Thames, a Tideway spokeswoman stated.
Work started on the tremendous sewer in 2016 and the venture is predicted to value £3.eight billion, in keeping with Tideway.
So far virtually 4 miles of tunnel has been built, with 4 TBMs within the floor.
Around 1.6 million tonnes of rubble and particles have been eliminated by the river, saving 100,000 lorry journeys, the corporate added.
Spokeswoman Hannah Shroot stated that the tunnel is at a gradient in order that the sewage doesn’t must be pumped by way of.
“At the second, tens of millions of tonnes of uncooked sewage pour into the Thames yearly,” she stated.
“The Victorian sewers are nonetheless in good situation however as a result of the inhabitants of London has grown a lot they’re full to capability and repeatedly overflow into the river.
“The tunnel we’re constructing is the answer to that.”