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Transcript of COMENIUS PROJECT LYCEE SAVARY DE MAULEON LES SABLES D’OLONNE Presentation of VENDÉE EAU Strategic...
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COMENIUS PROJECT LYCEE SAVARY DE
MAULEON LES SABLES D’OLONNE
• Presentation of VENDÉE EAU
Strategic directions and operational decisions to fight water scarcity
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CONTENTS
A few key figuresPresentation of Vendée EauStrategic direction :
Water safety planOperational decisions :
Raise people’s awareness of water scarcity The fight against water waste program
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A few key figuresDid you know that ?
The average daily water comsumption per person :In France : 151 litres on average
In the Pays de la Loire region : around 138 litres
In Cyprus : around 85 litres (figures for 2005 to 2007)
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The water footprint concept or « virtual water »Litres of water required to produce : 1 kg of lettuce → 25 litres 1 kg of wheat → 1 500 litres 1 hamburger → 2 400 litres 1 glass of orange juice → 170 litres 1 ton of steel → 20,000 litres 1 ton of plastic → 2 million litres A car → 35,000 litres 1 ton of medecine → 5 billion litres A pair of shoes → 8 000 litres
A few key figures Did you know that ?
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How is water consumptiondistributed (in France)
A few key figures Did you know that ?
Drinking Cooking Car/Garden Washing-up Laundry Toilets Baths/Showers Miscellaneous
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Water consumption at Savary de Mauléon High School
2007 : 3,906 m3
2008 : 4,186 m3
2009 : 4,507 m3
2010 : 4,479 m3
NB : A large swimming-pool holds about 500 m3 of water. A year’s water consumption in Savary de Mauléon would fill about 9 swimming-pools.
A few key figures Did you know that ?
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General code for territorial groupingsArt.L2224-7-1« The communes have jurisdiction over the matter of
drinking water distribution. Within this framework, they settle upon a drinking water distribution scheme defining the areas served by the water distribution network. They can also provide drinking water production as well as its transportation and storage. »
Presentation of Vendée Eau
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Presentation of Vendée Eau
1961 :
1936 – 1955 :
Jurisdiction : Drinking water distribution to 276 communes in Vendée
Jurisdiction : Drinking water production
20 inter-communal syndicates and 2 communes
Amalgamation into inter-communal syndicates
276 communes in Vendée out of 282
Amalgamation into a single departmental service
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The missions of Vendée Eau Operate and maintain the public service of water
distribution on behalf of communes, that is to say supply drinking water in sufficient quantity.
Satisfy people’s needs and activities while respecting present quality standards.
Offer subscribers a quality service in accordance with their requirements and at the cheapest price possible.
Presentation of Vendée Eau
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Presentation of Vendée Eau
Communes which adhere to Vendée Eau
Independent communes
Inter-communal syndicates boundaries
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Presentation of Vendée Eau
Budget :€ 105 million Investment : € 25 million Operating coasts : € 80 million
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Water distribution by private contractorsSubcontractors are selected after a competitive tendering procedure, in accordance with the French Code of Public Markets, and for a limited period of timeSubcontractors are responsible for the daily overseeing of water works potabilisation plants, water towers, pipesThey are responsible for taking metre readingsand invoicing on behalf of Vendée Eau→ Vendée Eau supervises their work and retains total control over subscribers’ terms and conditions of service
Presentation of Vendée Eau
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Presentation of Vendée Eau
Private contractors’operating zones for the distribution of potable water
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Origin of the water supply45 200 000 m3 of water produced in 2009 90 % surface water
12 water dams and 10 water production plants5 % groundwater 12 groundwater abstractions and drillings5 % water imports, mainly from Loire Atlantique
Presentation of Vendée Eau
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Presentation of Vendée Eau
Where water requirements are higher in summer
Where the most important resources are located
DamDamWater production plantWater catchmentSurface water collection
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Presentation of Vendée Eau
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Public drinking water networks14,000 km of water pipes, from 60 to 600 mm in diameter
(steel, cast-iron, PVC, HDPE, asbestos cement)331,000 water subscribers56 water towers, 25 reservoirs30 high pressure and chlorine stations
Presentation of Vendée Eau
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Presentation of Vendée Eau
Pipe Laying worksite
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Painted water tower in Saint Révérend
Présentation de Vendée Eau
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Presentation of Vendée Eau
Evolution de la consommation moyenne par abonné
95.0
100.0
105.0
110.0
115.0
120.0
125.0
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
m3
117,0 m3/ab117,3 m3/ab
102,0 m3/ab
Water resources : Surface water – around 90 %Ground water – around 10 %
Population served : 520 000 Subscribers : 336 000 in 2009Total water consumption : 34 275 000 m3
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Strategic direction of water safety plan
Increased needs in summertime
→33 % of the water is consumed during summer months (June, July, August), half of which in the coastal areas
Growing needs in the coastal areas and in the North East of the Vendée departement.
→
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INSEE study (December 2010) : Population growth forecast
→840 000 inhabitants en 2040
Critical years, close to water shutdown ( 2003 - 2004 - 2005 - 2009)
Water supply safety plan (Vendée Eau – Novembre 2004)
→Water waste reduction programme
Strategic direction of Water safety plan
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-7,5 Mm3
-2,1 Mm3
+0,9 Mm3
-1,3 Mm3
+2,0 Mm3+2,0 Mm3
+0,25 Mm3
Coastal zones
-8,8 Mm3
ZONE COTIERE NORD
ZONE COTIERE SUD
ZONE NORD EST
ZONE MERVENT
ZONE CENTRE LAY
LA ROCHE SUR YON
FONTENAY LE COMTE
Strategic direction of Water safety plan
Structural assessment and transfer in 2005
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PPreliminary and voluntary actionsDevelopment of groundwater useFuture use of specific quarriesFurthering localized seawater desalinationDevelopment of water quality recovery programsOverall plan for water conservation and the fight
against water wasting
Strategic direction of Water safety plan
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Strategic direction of Water safety plan
Groundwater research campaign
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A few structuring scenarios to study :Building of an impounding reservoir (reservoir on the
Auzance river)Desalination of seawaterWater transfer from the South of the Vendée
(Mervent) to coastal areas (Apremont)Transfer of treated water from Nantes (water plant
in La Roche) to the North West of VendéeRe-use of water from wastewater treatment plants
Strategic direction of Water safety plan
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Water framework directive of October 22, 2000Ensure the ecological stability of waterways1964 and 1992 laws on water / 2006 laws on water and
on aquatic environments SDAGE Loire-Bretagne
Water orientation and planification documents for the Loire-Brittany area SAGE (Auzance Vertonne / Vie et Jaunay, Lay, the Vendée …)
Orientation documents for the catchment area
→ The dam reservoir on the Auzance river is subject to necessary derogation
Strategic direction of Water safety plan
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Regional communities
Subscribers and the general publicPupils
A communication adapted to all
Operational Decisions Fight water waste
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Programme (2008-2012) : Targeting communitiesGoals Carry on the programme initiated with specific diagnoses Encourage the use of hydro-saving devices Encourage people to watch their water consumptionActions Diagnosis survey results, thoughts on the continuation of the
survey, updating database records Advice and technical support from communities
Editing guides, providing IT tools, advice for installing hydro-saving devices, AEU/HQE project monitoring (HQE = High Environmental Quality)
Operational DecisionsFight water waste
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Programme (2008-2012) : Targeting private individuals
Goals Carry on water information campaigns to promote water
conservation Incite people to install hydro-saving devices Start new and more concrete test actions
Operational DecisionsFight water waste
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Programme (2008-2012) : Targeting private individualsActions Carry on parntnerships and find new ones Develop pilot actions Install water-saving devices in show houses Improve our knowledge on water
consumption ratios Promote water-saving appliances Carry on marketing communication Release new documents Partnership with media Gardening charter
Operational DecisionsFight water waste
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Programme (2008-2012) : Targeting studentsGoals
Initiate a teaching programme for the fight against water waste
Meet schools’ requestsActions Setting-up an educational programme Intervention in schools Water consumption assessments in schools and installation support for water-saving appliances
(Eco-school)
Operational DecisionsFight water waste
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This slide show was realized by the students of Management Literacy class (first year, 1ère STG) at Savary de Mauléon
High School, following a conference by our partner « Vendée Eau ».