1. Seymour Capilano Filtration Project Seymour Capilano Twin Tunnels
June 4, 2010
Goran Oljaca P.Eng.

2. Seymour Capilano Filtration Plant & Twin Tunnels

3. Seymour Capilano Filtration Plant

4. Capilano Energy Recovery Facility Pipeline corridor Pump station
Twin Tunnels portals site

5. Pump Station

6. Inside the Break Head Tank

7. Break Head Tank / Energy Recovery Facility
Filtration Plant
1800 ML/d (20.8 m3/s) capacity
Capilano Pump Station
1080 Ml/d (12.5 m3/s)
16,000 HP (12,000 KW)
Break Head Tank / Energy Recovery Facility
Facility Flow range 0 – 12.5 m3/s
Turbine flow range 3 – 7.5 m3/s
PRV flow range (each) 0 – 12.5 m3/s
Generating capacity 1.7 MW
Annual Energy Generated 9500 MW.h

9. Twin Tunnel Progress

10. Untreated Water Tunnel
Twin Tunnels
Treated Water Tunnel
Untreated Water Tunnel

11. Gantry Crane Over Seymour Access Shaft

12. Top of Seymour Tunnel Shaft
May 1, 2006

13. Seymour Shaft

14. Looking into the ‘tail tunnel’

15. Seymour Shaft Base Entrance to Twin Tunnels

16. Seymour Shaft Base

18. Muck Bucket

19. Tunnel Boring Machine

20. Untreated (Raw) Water Tunnel
October 6, 2009

21. Reinforcing mesh and rock bolts

22. Treated Water Tunnel
Sept. 1, 2009

23. Treated Water Tunnel

24. Untreated Water Tunnel

25. Untreated Water Tunnel Class 5 Support

26. Shotcrete Installation

27. Pump Station

28. Discharge Water Quality

30. Pond 3

31. Capilano Shaft Site
Twin Tunnels Portals Site

32. Capilano Raise Bore

33. Cleveland Dam Spillway
Reaming
Raise-bore operation
250m to residence
Pumping Station
Cleveland Dam Spillway
270m deep shafts
Twin Tunnels

34. Liner Storage

35. Install Shaft Steel Liner

36. Temporary Silos for Grouting

37. Public Impacts and Mitigation Measures
Truck traffic
Noise
Vibrations
Air quality
Landscaping and restoration

38. Questions?