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Katrine

Treatment Type

Direct filtration

Opened

August 2008

Plant Capacity

240,000m³/day

Total Treated Water Storage Capacity

160,000m³ (2 x 80,000m³ tanks at separate sites)

Households Served

700,000

Flocculant

Aluminium sulphate

Disinfection

Sodium hypochlorite

Lead Control

Orthophosphoric acid

Pilot Plant Cost

£1m

Project Cost

£110m

Clearwater Tank, Raw Water Pumping Station and Access Road

£42m

Water Treatment Works

£50.4m

Service Reservoir, Pipelines and Network Reinforcement

£27.6m

Pilot Plant Project Began

May 2001

Work Began on Strathblane Cross Connection

October 2001

Milngavie WTP Planning Application

November 2001

Completion of Pilot Plant and Strathblane Cross Connection

July 2002

WTP Planning Application Refused

August 2002

Work Began on Balmore to C5 Main

September 2002

Scottish Water Appeal to Scottish Executive

October 2002

Revised Planning Application Submitted

November 2002

WTP Planning Permission Granted

February 2003

Connection into the C5

19 - 20 August 2003

Pressure Testing and Disinfection

September 2003

Balmore to C5 Main Completed

February 2004

Work Began on WTP and Service Reservoir

March 2004

Service Reservoir First Compartment Testing

September 2005

Connection of M4 Mains at Glasgow Road

November 2005

WTP and Service Reservoir Completion

December 2007

Draw-off Pipe within the Mugdock Reservoir Completed and Mugdock Refill Begins

December 2005

Bankell Service Reservoir goes into supply

May 2006

Craigmaddie Reservoir Draw-Down Starts

July 2006

Draw-down Completed

October 2006

Preparation of the Sand Filters

December 2006

Craigmaddie Reservoir Fully Refilled

April 2007

Craigmaddie Returned to Supply

May 2007

New Valves and Pipework Installed on the M5 Main

August 2007

Plant Commissioning Begins

August/September 2007

WTP Entered Service

December 2007

Officially Opened by Queen

July 2008

Final Landscaping Completed

Spring 2008

Client

Scottish Water

Main Contractor

Black and Veatch (formerly M J Gleeson)

Formwork / Falsework

A-Plant Acrow

Slab Forming System

MEVA

Pilot Plant Equipment

Thames Water

Process Assessment

Water Research Centre

Lead Land Agent and Valuation Consultant

Davidson and Robertson Rural
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