Thames Tideway Project, London, United Kingdom
Key Data:
WWTPs
Population Served
Beckton
3.2 million
Crossness
2 million
Mogden
1.8 million
Proposed Flows and Discharge
Beckton
DWF( Ml/day)
1344
FTFT ( Ml/day)
2336
BOD (mg/l)
8
AmmN (mg/l)
1
Crossness
DWF ( Ml/day)
597
FTFT ( Ml/day)
1118
BOD (mg/l)
8
AmmN (mg/l)
1
Mogden
DWF ( Ml/day)
559
FTFT ( Ml/day)
1064
BOD (mg/l)
11
AmmN (mg/l)
1
Project Timeline:
Thames Tideway Strategic Study formed
2000
Final Report
February 2005
Supplementary Report Delivered
November 2005
Option Assessment Report to Defra
December 2006
Governmental Approval on the Tideway Tunnel
March 2007
Crossness Improvement Work
Spring 2008 – 2014
Mogden Improvement Work
Spring 2008 – Spring 2012
Tideway Tunnel Construction Schedule
2012 – 2020
Cost:
WWTPs Improvements
£400m
Tideway Tunnel
£2bn – 2.5bn (estimated)
Key Players:
Client
Thames Water
TTSS Members
Thames Water, Defra, the EA, GLA and Ofwat
Ofwat Consultants
Jacobs Babtie
Automation Systems
Rotork
Primary Sludge Settlement Equipment
Hydro International
Tideway Tunnel:
Length
32.2km (Hammersmith to Beckton); 5.5km (Abbey Mills to Beckton)
Internal Diameter
7.2m
Construction Shafts
5
Pump-Out Shafts
1
CSOs Intercepted
36
Total Storage Volume
1,638,000m³
