Eardisland Feasibility Study Claire Storer Principal Engineer 1 - - PDF document
10/01/2015 Eardisland Feasibility Study Claire Storer Principal Engineer 1 1. Questionnaire Analysis 2. Flood Data Review 3. Potential Alleviation Options 2 1 10/01/2015 Questionnaire 73 responses 3 areas: Flood History
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73 responses 3 areas:
~30% response rate Average length of
38% households receive flood warnings
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Flooding experienced at property – internal / external (%) Restricted access to property (%) Contact with other householders experiencing flooding to property (%) 15 66 18 6 responses stated internal flooding had occurred Disruptive flooding – indicated to occur every year or so Main events – Feb 2014, Jul 2007, Oct 1998
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~ 2/3 responses stated a cause
64% 25% 11% 0% 10% 20% 30% 40% 50% 60% 70% Watercourse Highway Flows Overland Flows
% attributed primary cause of flooding
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12% 38% 15% 15% 8% 3% 0% 3% 2% 3%
Listed as top priority
Insurance premiums Actual flood damage to property Impact on house values Loss / disrupted access to your property Loss / disrupted access affecting the parish Impact on emergency services Impact on the environment Impact on businesses/local services Stress/worry over whether flooding will occur Access to medical care
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22% 18% 18% 14% 7% 7% 4% 3% 3% 3%
Listed in top 3 priorities
Insurance premiums Actual flood damage to property Impact on house values Loss / disrupted access to your property Loss / disrupted access affecting the parish Impact on emergency services Impact on the environment Impact on businesses/local services Stress/worry over whether flooding will occur Access to medical care
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Main concerns:
Frequent flooding causing disruption and more severe flooding causing property damage of equal importance
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40% 30% 10% 8% 5% 3% 3% 2% 0% 0% 0%
Alleviation measures % responders listed as most effective
Increased maintenance to watercourses Increased maintenance of drains and sewers An upgrade of existing drainage systems to increase capacity Measures to control the direction of overland flows Upstream flood storage Enlarged watercourse channels or culverts Formal raised flood defences Other measures to prevent floodwaters entering properties Better information on flood risk to prepare for floods Improved flood warning
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19 11 56 81 89 44 25 50 75 100 Assisting with clearing drains or channels Involvement in Eardisland Parish Council Flood Working Group Would you support an increase in precept in order to fund minor works
% responders willing and able to help reduce the impacts of flooding in the parish
Unwilling and/or or unable Willing and able
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EA River Arrow model
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Screening to shortlist options for further assessment 30 measures identified Type Of Measure:
improvements; Property protection.
planning Screening criteria:
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Following identified to potentially warrant further investigation as part of the study:
Following identified to potentially provide benefit but further work not proposed as part of this study: