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EL Smith Water Treatment Upgrade Project

Capacity

Current

240 million litres a day

Final

400 million litres a day firm capacity

Plant Annual Production (2005)

68,100 million litres

Population Served (in conjunction with Rossdale WTP)

927,000

Total Average Daily Consumption (approx)

360 million litres

Treatment Process

Coagulation, flocculation and filtration

Filter Media

Anthracite and sand

Disinfection

Free chlorine, chloramines & UV

pH Adjustment

Sodium hydroxide

High Lift Pumps

Each 2,000hp to 4,000hp; pump 90–200 million litres a day at approx. 1000kpa (150psi)

Low Lift Pumps

1,000hp; pump 20–200 million litres a day

Intake Suction Velocity

0.01m/s

Treated Water Physical Parameters (yearly average)

Turbidity (NTU)

0.06

Colour (TCU)

1

pH (pH units)

7.7

TDS (mg/L)

230

Chlorine Residual (mg/L)

1.65

Project Cost

C$140m

Plant Built

1976

Plant Upgrade Deferred

1991

"Open House" Public Information Sessions

June 2005 and February 2006

Work Began

2005

Southeast Water Transmission Main

Roadway Work

August 2006

Tunnel Shaft Work

August 2006 – March 2007

Transmission Tunnel Construction Begins

January 2007

Pile Drilling (river intake construction) Scheduled for Completion

End of March 2007

Transmission Main Construction

March – July 2007

Completion

Early 2008

Plant Owner/Operator

EPCOR

Watershed Planning Advisory Council

North Saskatchewan Watershed Alliance (NSWA)

Design Assistance

Associated Engineering

Tunnelling and Water Main Installation

City of Edmonton Drainage Branch

Construction

Clark Builders, Sureform/Lockerbie & Hole

Large Diameter Valves

Summit Valve

Raw Water and Transmission Main Piping

Northwest Pipe

Sodium Hypochlorite Generator Equipment

Severn Trent

UV Disinfection Reactor

Calgon Carbon
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