The Critical Importance of Water Hygiene Planned Preventative Maintenance (PPM) in Healthcare Settings
In healthcare environments—where vulnerable patients rely on safe, clean surroundings—water hygiene is not just a compliance issue; it’s a critical aspect of patient safety and infection control. Planned Preventative Maintenance (PPM) for water systems is an essential strategy to prevent microbial contamination, protect at-risk individuals, and meet stringent regulatory standards. What is Water Hygiene PPM?… Read more »
Meet Alex Stelmach – Keeping the GMS Engine Running Smoothly
Today on Meet the Team, we’re catching up with the wonderful Alex Stelmach, who plays a crucial role behind the scenes at GMS. With over two years of experience under her belt, Alex has become an essential part of the team—known for her positive attitude, strong work ethic, and team spirit. A Day in the… Read more »
Contract News!
GMS is proud to announce that we have been awarded a new contract to deliver Legionella Services for Bolton Council over the next three years. This marks a continuation of a longstanding relationship with Bolton Council, spanning 19 years through both direct contracts and partnerships with FM providers. We are now delighted to be reappointed… Read more »
Why Dirty Water Systems May Show No Detectable Legionella: A Closer Look at Bacterial Dynamics and Mutations
In water hygiene management, it’s not uncommon to encounter heavily contaminated water systems that, despite appearing ideal for Legionella pneumophila proliferation, return negative results for Legionella during microbiological analysis. These situations often raise questions about sampling accuracy, environmental suitability, bacterial competition, and the complex behaviour of microbial communities under stress. High TVC, No Legionella: What’s… Read more »
Legionella Infection: Transmission, Risk Factors, and Control Guidance
The likelihood of developing legionellosis depends on the vulnerability of the individual and the route of exposure. The primary means of infection is through inhaling aerosols—tiny airborne particles that originate from droplets. These aerosols are typically produced when water is sprayed (e.g. from showers, irrigation systems) or splashes onto surfaces (e.g. turning on a tap… Read more »
The Importance of Potable Water Sampling from Cold Water Storage Tanks
Potable water—water that is safe for human consumption—is a vital component of public health infrastructure. Ensuring its quality is not only a regulatory requirement in many regions but also a fundamental aspect of protecting the health and wellbeing of building occupants. One critical but sometimes overlooked area in maintaining potable water safety is the regular… Read more »
Expansion Vessels in Water Systems: Purpose, Design, and Good Practice
Expansion vessels are widely used in both domestic and commercial water systems to help manage pressure changes and protect system components. When correctly selected, installed, and maintained, they contribute to system stability, equipment longevity, and compliance with safety expectations. This article explains why expansion vessels are used, how they operate, and what good practice looks… Read more »
Legionella Dossier – Podcast with Carl Ollerton GMS Services Ltd
When Jamie Green of Legionella Dossier met up with over Technical Director Carl Ollerton.
Contract Win News!
We have been sucessful with a recent tender bid to provide services to Knowsley Council. GMS have been awarded a 3 year term contract to provide Legionella Risk Assessments, Legionella and Water Hygiene PPMs, Training and Remedial Services. We are excited to get started with another local authority based in NW England. This Council is… Read more »
Meet Martin – PPM Engineer
Length of service as of April 2023 – 12 months I have been at GMS for around 12 months now and during that time I have been working as a water hygiene engineer. My day to day tasks are to carry out the planned preventative maintenance side (PPM) taking water temperatures, servicing expansion vessels ,calorifiers,… Read more »
