Seymour Capilano Filtration Project
Seymour Capilano Twin Tunnels
June 4, 2010
Goran Oljaca P.Eng.
Seymour Capilano Filtration Plant& Twin Tunnels
Seymour Capilano Filtration Plant
Pump station
Pipeline corridor
Energy Recovery Facility
Twin Tunnels
portals site
Capilano
Pump Station
Inside the Break Head Tank
• 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
Twin Tunnel Progress
Twin Tunnels
Treated Water Tunnel
Untreated Water Tunnel
Gantry Crane Over Seymour Access Shaft
Top of Seymour Tunnel Shaft
May 1, 2006
Seymour Shaft
Looking into the ‘tail tunnel’
Seymour Shaft Base Entrance to Twin Tunnels
Seymour Shaft Base
Muck Bucket
Tunnel Boring Machine
Untreated (Raw) Water Tunnel
October 6, 2009
Reinforcing mesh and rock bolts
Treated Water Tunnel
Sept. 1, 2009
Treated Water Tunnel
Untreated Water Tunnel
Untreated Water TunnelClass 5 Support
Shotcrete Installation
Pump Station
Discharge WaterQuality
Pond 3
Capilano Shaft Site
Twin Tunnels Portals Site
Capilano Raise Bore
Reaming
Cleveland Dam Spillway
Raise-bore operation
Pumping
Station
250m to residence
270m deep shafts
Twin Tunnels
Liner Storage
Install Shaft Steel Liner
Temporary Silos for Grouting
Temporary Silos
10 m
2 m
Public Impacts and Mitigation Measures
• Truck traffic
• Noise
• Vibrations
• Air quality
• Landscaping and restoration
Questions?