Thames Tideway Tunnel – Update 2020

The Thames Tideway project has already been described in detail in tunnel issue 8/2016. Altogether six TBMs and several pipe jacking machines are currently at work on the 25 km long main tunnel and the connection tunnels of the new mega interceptor sewer in London. The depth of the tunnel system (25–80 m), the access only down shafts, material delivery and disposal on the Thames and the central inner-city location are daily challenges facing the tunnellers in the middle of the English metropolis. This article describes the current stat of the main construction works and the special features of the Thames Tideway Tunnel, especially the West contract.

The Thames Tideway Tunnel project is split into three separate geographical construction sections: West, Middle and East (Fig. 1). The MNTLA (Main Tunnel A) of the West contract extends from the Acton Stormwater Tank in the west of London and runs north of the Thames to the Carnwath Road riverside shaft in Fulham, where it joins the MNTLC (Main Tunnel C). This runs to the east into the suburb of Southwark near Tower Bridge. The East contract then connects at the Chambers Wharf shaft, with the MNTLD (Main Tunnel D) running toward Newham, where it connects to the Lee Tunnel, which was completed...

Related articles:

Issue 08/2016

Thames Tideway Tunnel: Upgrade for London’s Wastewater System

The Sewage System from the 19th Century until Today Until the mid-19th century, London’s growing volume of sewage ran off conspicuously along the streets prior to draining into the River Thames. At...

more
Issue 06/2022

Silvertown Tunnel: Tunnelling Under the Thames With UK’s Largest TBM

Tower Bridge – one of the city’s most distinctive landmarks – is the last bridge link across the Thames within the city before the river takes its course through the banking district of Canary...

more
Issue 07/2013

Special formwork for hydraulic tunnel lining with application of HDPE membrane

The Project Abu Dhabi Sewerage Service Company (ADSSC) manages for the emirate of Abu Dhabi the whole sewer system of the territory and of the connected islands. They have developed a strategic...

more
Issue 05/2018 Bentley

Thames Tideway Tunnel Project benefits from digital Strategy

The engineering consultancy Mott MacDonald provided innovative leadership on the UK’s largest-ever water industry infrastructure project, the Thames Tideway Tunnel project, by enabling a...

more
Issue 07/2011

Declined-shaft Tunnelling in St. Petersburg

1 Introduction 1.1 The St. Petersburg metro St. Petersburg was established by Czar Peter the Great in 1703 to secure strategically important access to the Baltic Sea for Russia. The city was built on...

more