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Invercannie DAF Project: working with Efficient Service Delievry (ESD) on behalf of Scottish Water

Invercannie WTW abstracts raw water from the River Dee and currently treats flows of up to 50Ml/d. This project will upgrade the works to treat maximum flows of 70Ml/d and install a new Dissolved Air Flotation (DAF) treatment process, Chlorine Contact Tank, Clean Water Tank, Network Pumping Station and various upgrades to the existing works to suit new process.

As part of these upgrades, three new MCCs will be provided;

  1. DAF – 22 Metres long
  2. Lairds Cast – 8M etres long
  3. Post Membrane – 9 Metres long

Boulting Responsibilities

Boulting Technology are responsible for the provision of low voltage switchgear and control gear assemblies and associated System Integration including PLC, HMI and SCADA modification. Our work comprises of the design, supply, investigative surveys, delivering to site, off-loading, moving into position, erection, installation, site modifications, inspection, testing, commissioning, training, as-built documentation, O&M manuals and project management services.

Technical Details

PLC Type – Allen Bradley Control Logix

SCADA – Allen Bradley Versaview

VSD Type – ABB, ranging from 0.75kW to 250kW

Delivery Dates

DAF _ June 2021

Lairds Cast _ Aug 2021

Post Membrane _ June 2021

Contract Value


Man hours

14,500 man hours

Current Status

Design 75% Complete

Build 70% Complete


Senior Project Manager - Tom Kelly

Senior SI Engineer (Lead Engineer) – Antony Attwood

SI Engineer - Alan Jeffery

SI Engineer - Gareth Fowler

Senior LV Engineer – Ian Barrow

LV Engineer – Connor Murray

CAD Engineer - Denise Barrow

Production Manager – Gary Kain

LV Operations Manager – Neil Williams


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