1. Underwater cleaning technology

2. WEDA – since 1919 Company founded in 1919
ISO9001:2000 certified production
WEDA subsidiaries in Germany and US
Distributors and agents in 25 countries
Reservoir cleaning service offered on 5 continents

3. Pool cleaners B600 B450 B680 B480 W50 Reservoir cleaners
Products
Pool cleaners
B600
B450
B680
B W50
Reservoir cleaners
VR-600 CS-600 YT-800
Sludge collectors
SD System

4. Sludge collection in sedimentation tanks
WEDA SD System

5. Sludge collection in sedimentation tanks
WEDA SD system
Fixed installation with submersible pumps
No basin draining or reservoir downtime
Programmable frequency and speed of cleaning
For optimization of cleaning results/discharged water
Rapid installation – 2 days – minimizes tank downtime
Robust and reliable components - little maintenance
Man styr den från kontrollrummet
SD system

6. SD system Specifications Sludge collection in sedimentation tanks
Dimensions
Pump capacity
Main voltage
Discharge
Speed
Dimensions are customized to your facility needs
Standard system widths from 5’ (2m) to 33’ (10m)
Custom configured to your facility needs
400V, 3-phase
3” hose
Infinitely variable from 0 to 10ft (3m)/min
SD system

7. Sludge collection in sedimentation tanks
Rectangular basin
SD system

8. Sludge collection in sedimentation tanks
Circular basin
SD system

9. Sludge collection in sedimentation tanks
Strumien WTP, Vodokanal Poland
6 SD-6.6 in 6 sedimentation basins
4 SD-3 in 4 sand filter back-wash tanks
SD system

10. Sludge collection in sedimentation tanks
Lovö water works, Stockholm water, Sweden
Production m3/day
6 SD-10 in 6 basins 10x60m
SD system

11. Sludge collection in sedimentation tanks
Meshantucket Pequot Tribal Nation, Connecticut, USA
3 SD-3 in 3 basins
Man styr den från kontrollrummet
SD system

12. SD system Tiffin, USA Spiral basin Rectangular basin 25 m long
Sludge collection in sedimentation tanks
Tiffin, USA
Spiral basin
SD system
Rectangular basin 25 m long

13. Robotic cleaning of water reservoir
WEDA VR-600

14. Robotic cleaning of water reservoir
Description
Rotating brush
Integrated high capacity pump
Video camera with pan/tilt Ligths
Optional power brush>>>>>>
VR-600

15. VR-600 Specifications Robotic cleaning of water reservoir Dimensions
Weight Pump capacity
Main voltage
Discharge
Speed Power
Maximum working depth
Floating cable
735 x 595 x 400 mm
82 kg m3/h
400V, 3-phase
2” hose
Infinitely variable from 0 to 12m/min
2,5kW 25m
Max 160m
VR-600

16. Robotic cleaning of water reservoir
VR-600 in Severn Trent reservoir UK
Empty tank impossible
1000m2
30 mm of sediment
Turbidity cut off limit at outlet: 3 NTU’s
Turbidity measures peaked at 0,6NTU’s. Average 0,27 NTU’s
Bacteriological tests were all clear
Cleaning with VR-600 completed in less than two days
VR-600

17. Robotic cleaning of water reservoir
Tank
Surface
Sediment depth
Time of cleaning
Turbidity NTU
Marietta Water Authority USA
4500 m2
20 cm (average)
10 days
Max 0,34
Salem USA
5400 m2
15 cm (average)
67 days
Max 0,235
Tallkrogen Sweden
1935 m2
0-10mm
4 days
Max 0,09
Trekanten Sweden
3000 m2
5-20 mm -
VR-600 System

18. Dredging of big reservoirs
WEDA YT-800

19. Dredging of big reservoirs
YT-800 submersible dredger
Cleaning of large slow sand filters and infiltration basins
Cleaning of very large open outdoor water storage reservoirs
Handles large sediment contents, sand and algae and sea weed
Rotating auger or brush
Flexible design
YT-800

20. YT-800 Description Dredging of big reservoirs Rotating auger
Lifting device for auger 2 separate drive motors
Radio remote control
Optional video camera
YT-800

21. Dredging of big reservoirs
Specifications
Dimensions
Weight Pump capacity
Main voltage
Discharge
Speed Power
Max sediment depth
Max particle size
115 x 120 x 900 mm
150 kg m3/h
400V, 3-phase
3” hose
Infinitely variable from 0 to 10m/min
5,5kW >100mm
60mm
YT-800

22. Dredging of big reservoirs
Rainwater basin cleaning, Aragon, Spain
Raw water basin, Paris, France
YT-800

23. Dredging of big reservoirs
Infiltration basins
Slow sand filters
YT-800

24. Reservoir cleaning
WEDA S600 and CS600

25. Reservoir cleaning
Applications
Swimming pools with large sand and sediment content
Catch ponds in sewage works
Fountains and dams in parks
Any type of basin and pool with heavy sediment
Sedimentation basins
Back-wash basins in water works
S600/CS600

26. S600/CS600 Description Reservoir cleaning Sand tracks Rotating brush
Integrated high capacity pump
Underwater video camera with lights (CS600) Optional Tufram coating for corrosive environments
Optional radio control
S600/CS600

27. S600/CS600 Specifications Reservoir cleaning Dimensions
Weight Pump capacity
Main voltage
Discharge
Speed Power
Floating cable
700 x 630 x 900 mm
82 kg (cleaning unit only) m3/h
400V, 3-phase
2” hose
12m/min
2,5kW
40m
S600/CS600

28. Perisher, Australia August 2004
Reservoir cleaning
Perisher, Australia August 2004
S600/CS600

29. Tasmania, Australia August 2004
Reservoir cleaning
Tasmania, Australia August 2004
S600/CS600

30. Tasmania, Australia August 2004
Reservoir cleaning
Tasmania, Australia August 2004
S600/CS600

31. Tasmania, Australia August 2004
Reservoir cleaning
Tasmania, Australia August 2004
S600/CS600

32. Tasmania, Australia August 2004
Reservoir cleaning
Tasmania, Australia August 2004
S600/CS600

33. Product summary
SD System
VR-600
CS600
YT-800
Application
Settling tanks
Drinking water (towers, reservoirs) cleaning+ inspection
Catch ponds, rainwater ponds, back-wash ponds
Sewage lagoons, raw water basins
Basin size (diam)
Up to 10x100m (per one unit)
Up to 160m
Up to 40m
Up to 200m
Key points
Fully automatic system
Variable speed, powerbrush
Mobile unit, Tufram coating
Auger for deep sediment + sea weed