Nottingham Flood Risk Management Schemes
Transcript of Nottingham Flood Risk Management Schemes
WHY now?
WHAT are we planning?
When will it happen?
How will we do it?
Nottingham Flood Risk Management Schemes
River Trent Fluvial Strategy
• High level review of the Trent Catchment.
• Considered problem areas.
• Considered numerous options and discounted extremes.
• Recommended some for further investigation.
Nottingham Strategy
Rylands
Queens Drive
Attenborough
Trent Meadows
Sawley
Meadows Colwick
West Bridgford
Wilford
Nottingham Strategy
g Current defences built in the
1950s
4Reaching end of design life
4Protect to a lower standard
than recommended by Defra
1947 floods, Bosworth Road Shop
What are we doing?
g Raising existing defences by between 0.5m
and 1.0m
g Constructing new defences- walls- embankments
Who Pays for it?
g Central block Grant from Defra to the EA
g Schemes then bid for a slice of the ‘pot’
g Internal prioritisation based on a scoring
system
g Central Government Funding
What else have we considered?
g Dredging
g Flood storage
g Bypass channel
g Removing weirs
g Managed realignment
g River reprofiling
Programme
g Detailed Design start4Now
g Construction Start4Spring 2007
g Scheme complete4Autumn 2010
Summary
Figures
• 30 Km of defences
• Protecting 22,000 Homes
• £64 Million combined cost
• 4 years to build
PPG25 - Current Guidance on Development and Flood Risk, due to be replaced in October 2006 by PPS25.
•Main changes expected:•Extreme flood – 1 in 1000 yr FZ 2•Climate Change – lifetime of development 50 years•Exception Test•Development behind flood defences •Statutory Consultee on flood risk matters
Changing Planning policies