OasenSecurity: above and below ground level

Thom de KortLisbonMarch 2009

Oasen, a Dutch water companySecurity, our principlesSecurity projects above ground levelSecurity projects below ground level

Drinking water company Oasen33 municipalities

Groundwater is the source of our water.

5

Oasen in numbers: customers

317.000 Customers

Water production47 million m3/yr

per person: 45 m3/yr

7.200 Company’s

6

Oasen in numbers: company

250 personnel 21Stations

1 HQ

7

4000 km of pipes

Purification plant De Laak

8

Renovation Purification Plant Rodenhuis

9

Softening our water

10

Oasen, a Dutch water companySecurity, our principlesSecurity projects above ground levelSecurity projects below ground level

Softening our water

12

Protection of water qualityNo access for strangersDistribution network under pressureAwareness of personnelVEWIN regulations / good housekeeping

Principles

Oasen, a Dutch water companySecurity, our principlesSecurity projects above ground levelSecurity projects below ground level

Security above ground level: example

14

A pumping station before renovation of Security facilities

15

During the renovation of the security facilities

Pilot: pumping station Gorinchem

16

17

Oasen, a Dutch water companySecurity, our principlesSecurity projects above ground levelSecurity projects below ground level

’’

19

Pressure sonde

EGV sonde

Pilot online measurements

20

Pilot online measurements

Pressure regulated valve

21

Conclusions

Work towards basic level on all locations

Experiments with advanced security

Pilots online measurements

Sharing knowledge in sector

22