White paper

Embedding whole life costing in the water industry

How can the water industry optimise process performance and minimise cost? In the management of water and wastewater assets, embedding Whole Life Costing (WLC) principles in everything from...

22 July 2016

News & Opinion
Image of two disconnected water pipes

The Whole Life Disconnect

Is the UK water industry making sufficient progress towards its goal of embedding Whole Life Costing into its procurement, contracting and operating processes? As I've written before, in order to...

21 April 2016

News & Opinion
Photograph of a WWTP operator cleaning accumulated grit

The Cost Of Grit - the seven questions that WWTPs should be asking

Finding accurate evidence of the true cost of grit to a wastewater treatment plant may be a challenge for WWTP operators – especially when justifying the installation of more advanced removal...

11 March 2016

Case study
Chart showing the typical cost to a wastewater treatment plant incurred per year due to grit missed by an aerated grit basin

Calculating the Cost Of Grit - Aerated Grit Basin

As much as 60% of grit is being missed Research conducted by Hydro International suggests that, on average, 60% of all grit is being missed by conventional grit removal systems. This grit passes...

29 January 2016

Case study

Protecting Oil Boom City from Wastewater Grit Damage - Bismarck, North Dakota

Rapid population growth pressures have seen extensive investment in public utility services in the City of Bismarck, North Dakota’s state capital, including expansion and updating its waste water...

12 January 2016

News & Opinion

The Cost Of Grit - Q&A with Keith Hutchings

Q. Is grit a significant factor in the cost of running a Wastewater Treatment Plant (WWTP)? If so, how? A. The abrasive nature of grit has long been recognised as a major factor causing wear and...

22 December 2015

Case study
Grand Island, Nebraska WWTP refurbishment project

Low maintenance and built-in redundancy - Grand Island, Nebraska

As a critical part of a $21.5 million upgrade to its wastewater treatment facilities, the City of Grand Island, Nebraska, has invested in an advanced grit removal system for high-performance grit...

16 December 2015

News & Opinion
Accumulated grit - TOTEX must take into account lifetime maintenance costs

TOTEX - Balancing Risk & Reward

Getting the right balance between risk and reward is a critical success factor for any business, but for UK water companies those cash prizes and penalties are driven by a regulator, through their...

14 December 2015

Case study
HeadCell units at Council Bluffs Water Pollution Control Plant, Iowa

Improved fine loess sand removal - Council Bluffs, Iowa

A successful project at the Council Bluffs Water Pollution Control Plant, Iowa, replaced an outdated aerated grit basin to improve fine loess sand removal and reduce digester cleaning in the...

9 December 2015

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