Delivering Thames Tideway, 26th April 2016
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Transcript of Delivering Thames Tideway, 26th April 2016
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DELIVERING THAMES TIDEWAYDANNY TRUPAPM Thames Valley - 26 April 2016
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YOU POO TOO
https://www.youtube.com/watch?v=eD_kmPIPd84
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LONDON
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River Thames C16th
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Lost ‘rivers’ of London
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The Great Stink
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Bazalgette’s interceptor sewers
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20138 million
18602 million
19104 million
Population of London
• In 2014, 62 million cubic metres of sewage discharged to the tidal River Thames.• 50 discharges on average in a typical year
Bazalgette design capacity
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CSO discharge
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FINDING A SOLUTION
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London Tideway Improvements
Riverside
Long ReachMogden
Crossness
Sewage Works UpgradesLee TunnelThames Tideway Tunnel
Beckton
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Impact of improvements
4
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GreenwichPS
WesternPS
Existing System–CSOvolumeTypical YearCSOVolume(cubic metres)
5,000,000
4,000,000
3,000,000
2,000,000
1,000,000
0
19,418,500
AbbeyMills CSOvolume(cubic metres)
Tideway CSOHammersmith PS
AbbeyMills (see inset)
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Impact of improvements
4
9 No spill
GreenwichPS
WesternPSHammersmith PS
LeeTunnel and STWImprovements –CSOvolumeTypical YearCSOVolume(cubic metres)
5,000,000
4,000,000
3,000,000
2,000,000
1,000,000
0
Tideway CSO
AbbeyMills CSOvolume(cubic metres)
AbbeyMills (see inset)
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Impact of improvements
4
9 GreenwichPS
WesternPSHammersmith PS
ThamesTideway Tunnel –CSOvolumeTypical YearCSOVolumes(cubic metres)
5,000,000
4,000,000
3,000,000
2,000,000
1,000,000
0
AbbeyMills (see inset)
Tideway CSO
No spill
AbbeyMills CSOvolume(cubic metres)
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SCOPE
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The Thames Tideway Tunnel
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Tunnelling through London
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Interfaces with existing infrastructure
Bridges: 75
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Victoria Embankment
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Main Tunnel
Vortex Shaft
Existing CSO
Connection
Air Treatment
Image: CSO interception
Existing seweragenetwork
New reclaimed area
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Engineering challenges
• Variable ground conditions
• 120 year design life
• Dissipate energy
• minimise air entrapment
• ventilation and odour treatment
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PLANNING AND CONSULTATION
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Route to Development Consent
• Over six years of project development, planning and extensive consultation
• Planning Act 2008
• Public consultation
• DCO application
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Consultation and Community Engagement
30Months
development
9,400Responses
during consultation
Over 200meetings attended
114 days of public
exhibitions held
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PROCUREMENT AND DELIVERY
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Delivery model
• Thames Water, Government and Ofwat
- a range of models to ensure a value for money solution
• A new regulated Infrastructure Provider (IP),
• Bazalgette Tunnel Limited (BTL),
- formed under the Flood and Water Management Act 2010
- Regulated by Ofwat
- Tendered through a competitive process
- build, manage and maintain the tunnel.
• Thames Water will operate
- £1.1bn of investment is from Thames Water,
- £3.1bn is from BTL
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IP at a glance
Revenue collection/ operator of Sewer Network/TWUL Works
Debt Equity Secretary of State
Ofwat
TWUL
System Integrator Contractor
Construction Contractors Project Manager
West Central East
Insurers
100% ownership
Project Licence
Government Support Package
Tideway
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Bazalgette Tunnel Limited (BTL)
1.7 million UK pensioners will have an indirect investment in Tideway.
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Main Contractors
West Central East System Integrator
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OUR VISION
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More than just a sewer
Coping with population
growth
Jobs and skills Tourism Economic
Ecological SMEs Public Health
Environmental Increased river use
Health and Safety
Recreation
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Leaving a legacy
Environment
Health and Safety
Economy
People
Place
• Dramatic reduction in discharges from more than 50 to only 3 or 4 in a typical year
• Three Zeros commitment• Introduce leading lorry and cycling safety initiatives
• Use river transport to remove 90 per cent of spoil from Main Drive sites
• Engage local businesses and SMEs
• 4,000 direct, sustainable jobs• 1:50 apprentice and 1:100 ex-offenders
• Three acres of new foreshore • Enhance Thames Path
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Timetable
2016
Main works preliminary constructionbegins
2017
Tunnelling begins
2021
Tunnelling ends
2023
Project completion
2015• BTL granted
licence by Ofwat
• Main Works contracts awarded
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Blackfriars: Before
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Blackfriars: After
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QUESTIONS?
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This presentation was delivered at an APM event
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