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  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Managing Flooding in WarwickshireBy

    Andrew Savage, MICE C.Eng. - County Highways Contract & Policy Manager -

    Managing Flooding - Content of Presentation

    Background - Flood Events over the Past 100 Years in Warwickshire any trends!

    Managing Strategic & Local Flood Actions A Multi Agency Approach Before, During and After Floods

    Improvements in IT systems help management of Flood Events Impact of the Flood & Water Bill for Local Authorities Climate Change - It seems were in for the long haul!

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    History of Flooding in Warwickshire Wettest on record. 1879 for Central

    England 293mm May-July Jan. 1st 1901 May 23rd 1932 (1953 East Coast Storm Surge 300

    drowned) April 10th 1998 Easter (1 drowned)-

    Properties flooded? June 2007 - Cubbington, L/Spa- 42

    properties- Surface Water Flooding July 21st 2007- 360mm rain - some 2000

    properties 80% flooding from water courses 2008 Summer Fenny Compton Surface

    Water Flooding 2008 Dec.13th Delamere Road Bedworth

    - 40 properties

    Why is responding to flooding difficult and variable?

    Scale ofFlooding

    3 hours to 5 day!200 Parish

    DistrictCounty Councils

    Env. AgencyS.T.Water

    B.Waterways

    Paper or no records hotspots?

    Lack of centralized information

    CriticalInfrastructure,

    Care homes, schools

    Highway Bridge

    DevelopmentGroups

    Police and Fire & Rescue

    HighwaysAgency

    Private Land Owners.Ditches

    Press & Public Expectations

    can be like a machine gun

    Events ever 10-25 Years

    New Staff in all outlined groups

    LimitedFunding

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    The July 2007 Storms Cover Warwickshire! (4-5 times average rainfall- Similar in many other parts of UK)

    -

    Key Facts About 2007 Floods A Wake Up Call! 120mm rain in 5 hours 60 Roads Closed Countywide 20 Damaged Bridges Over 4000 telephone calls to County

    Highways over a month Some 2000 properties flooded Home,

    businesses, care homes, and a school Flooding scattered across 75

    Communities with 5 to over 100 properties with internal flooding.

    5 Market Towns suffered significant flooding Shipston (69), Wellesbourne(70) Henley(50) , Alcester(150), Bidford(95) Areas of Leamington(6) and Warwick

    (10) very close to significant flooding.

    (10) = no. of properties flooded)

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Shipston on Stour 69 Homes and businesses flooded

    Henley 2007 some 50 properties flooded

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    July 2007 Flooding - Warwick

    Literally The Water Front Warwick

    New flats now difficult to insure!

    2007 Wellesbourne Some 70 properties flooded by River Dene

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    July 2007 Flooding -Stratford

    Waterside Street aptly named in Stratford.

    Plaque show 100 year range of Floods in 1901, 1932 and 1998, Less severe in 2007!!

    Economic Impact of 2007 Flooding

    Circa 1800 homes flooded Some 200 businesses flooded Total Insurance Bill - @90M Some 400K immediate

    highway and bridge repair costs

    Road condition showing signs of deterioration after two wet summers potentially 3-6M to address deterioration.

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Improvements in the Management of Flooding Events since 2007

    Pitt Report National Review Various Internal Reports County and

    District Setting Up a Warwickshire Strategic Flood

    Forum Oct 2007 Draft Water and Flood Management Bill Strengthening the Role of Communities and

    Individuals

    Flood RiskManagement

    Forum

    Local Resilience Forum

    (LRF)

    LRF Flood Working Group

    5 District Surface Water Management /

    Drainage Group

    Planning processes

    Scrutiny

    Political involvement

    Regional Flood Defence Committee

    Local Strategic Partnership

    Investment processes for each authority/agency

    Membership of Surface Water Management/Drainage Group:Highways, water companies, EA, IDBs, district councils (SUDS issues)

    Post Recovery Actions Setting up a Strategic Flood Forum

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Post Recovery Actions Setting up a Warwickshire Strategic Flood Forum

    The Terms of Reference of the WSFF Group are:-

    Ensure effective collaboration between Agencies & Departments. (include fire and rescue)

    Reviews progress of Agencies & Departments in respect to the 15 Urgent Recommendations of the Pitt Report. Eg Looking at NetworkVulnerability.

    Looking medium - long term at the maintenance & improvement of the drainage infrastructure

    Ensure local drainage forum's meet regularly with appropriate representation and progress key projects, and support to resolve any difficulties.

    Prepare & update list of key contact details between Agencies Reviews & proposes improvements to communication systems during

    and after emergencies. Help review and influence organisational policies to ensure

    consistency. Help explore appropriate funding sources

    Managing potential risk of Flooding

    Closer tracking of Weather conditions and water levels by all key agencies.

    More focused organisational alertness - Green, Amber and Red or Bronze, Silver and Gold Status.

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Managing Flood Events as conditions worsen!

    Fosse Way proactive surveying during floods identifies major risks to driver with water 5ft. deep

    Managing Flood Events being prepared for many road closures.

    July 2007 Flooding -60 Roads Closed

    You cant stop every one putting themselves at risk!

    Even 4X4 cant always cross fast flowing flood waters. New maps capture high risk sites

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Managing Floods Recovery Stage

    July 2007 Flooding Recovery Actions by EA

    Know key people to contact and hotspots

    Clearing up operations dovetailed with Environment Agency.

    Managing Flood Events PR Matters

    Initial Shock of Flooding to residents the experience is terrifying

    Need someone on site in flood events within an hour (when more than 5 homes involved) Managing Distressed People Mobile Advice

    Centre (lacking in 2007) Vulnerable People & Pets!

    Managing Press Co-ordinate Recovery Activities of Organisations

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Managing Flood Events Recovery ActionsJuly 2007 Floods

    Over 60 roads closed during flooding. Repairs blitzed and all roads open to traffic within 48 hrs after flood water subside.

    EA busy clearing debris from key bridges

    Developing IT systems to help manage flooding! The scope of IT is to help join up organisations and fill information gaps

    Scale ofFlooding

    2 hours to 5 day!200 Parish

    DistrictCounty Councils

    Env. AgencyS.T.Water

    B.Waterways

    Paper or no records hotspots?

    Lack of centralized information

    CriticalInfrastructure,

    Care homes, schools

    Highway & Bridge

    repairs

    Police and Fire & Rescue

    HighwaysAgency

    Private Land Owners.Ditches

    Press & Public Expectations

    can be like a machine gun

    Events ever 10-25 Year

    New Staff in all outlined groups

    LimitedFunding

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Managing Flooding Developing IT systems

    Management 93000 Gullies on a 3820km road network and associated pipe and ditch systems

    Managing Hotspots and Road Closures to keep Essential Services Going

    Minimising impact of future developments Managing and improving future local resilience Sharing Information!

    C A L L C E N T R E

    P . E . M .D E F E C T P O O LS T R E E TW O R K S

    A R E AS U R V E Y O R

    P H O N E

    W C C / C A R I L L I O N D E F E C T

    P L A N N I N G P R O C E S S

    S A F E T Y I N S P E C T I O N

    T E A M

    I N T E G R A T E D M O B I L E S O L U T I O N

    Creating More Integrated Information Systems in Highways Organisations up to 6000 calls/year on drainage issues

  • LANDF RM Stemming the flow- Managing flood risk in existing developments

    15/10/09

    Andrew Savage Warwickshire County Council

    Developing Draina