seymour capilano filtration project seymour capilano twin tunnels june 4, 2010 goran oljaca p.eng

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?