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 »

Customer Focus – June 2022

An interview with Louise Brown – Wigan & Leigh College Wigan & Leigh College is a further education organisation which provides education for students aged 16+. The college has around 9000 students and is split across 7 buildings. 4 in Wigan and 3 in Leigh. In April 2022, the college appointed GMS Services Ltd to… Read more »

Legionella Risk Assessments

We are now fully up and running with this service following a reduction in this service due to COVID closures. We have implemented a social distancing policy and procedure which includes the following 2 Meter distancing from your site personnel Gloves to be worn at all times. New gloves to be put on if we… Read more »

Dirty Systems – No Legionella – Why?

CELL MUTATIONS There are many occasions when we come across a dirty water systems with all the characteristics to provide a perfect environment for legionella bacteria to thrive. However, when we sample these water systems, we may get high readings on our TVC tests, along with other waterborne bacteria, but nothing on the legionella counts…. Read more »

Domestic Water System Disinfections

GMS Services Ltd have carried out a full disinfection of the domestic water system at Skoda’s new showroom which is opening soon in Bolton. This work is carried out in accordance with the current British Standards and at the satisfaction of our client. Contact GMS Services Ltd for information regarding the need and purpose of… Read more »

The Need For A Legionella Risk Assessment

ADVICE ON COMPLIANCE WITH THE HSE Legionella control is essential for compliance with the Health & Safety at Work Act. If you are a business owner, a building manager, a landlord or in a position of responsibility for the health and safety of employees and building occupants, you will need to ensure that you have a… Read more »

Legionella – What you need to know.

If you are new to the strange words ‘Legionella’ and ‘Legionnaires’ Disease’, hopefully this post will help you understand the basics. Legionella bacteria are single celled microscopic living organisms that are all around us. They are commonly found in all natural water systems such as rivers, lakes and streams. It is unknown how many species of… Read more »

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With our extensive experience in Legionella Risk Assessment Services & Water Treatment Services Contact us today to find out how we can help you.

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What Is BSRIA BG29 & BG50?

BG29 (Pre-Commission Cleaning of Pipework Systems) sets out best practice for cleaning commercial heating and cooling pipework before it is handed over. When new systems are installed, they contain: Mill scale from steel pipework Jointing compounds and flux residues Installation debris Construction dust and particulates If not properly removed, these contaminants: Block strainers and control… Read more »

Le Mans Crescent Project!

Major Mechanical Installation Project Underway at Le Mans Crescent, Bolton We’re proud to be delivering a significant mechanical installation project at Le Mans Crescent in Bolton, and it’s fantastic to see the works progressing well as the building services infrastructure begins to take shape on site. This phase of the project represents a key milestone… Read more »

Thermostatic Mixing Valves (TMVs): Understanding TMV2, TMV3 and Your Legal Responsibilities

Thermostatic Mixing Valves (TMVs) play a critical role in controlling water temperature and reducing the risk of scalding in both domestic and commercial buildings. In higher-risk environments such as healthcare, care homes and education settings, correct valve selection, installation and ongoing maintenance is not just best practice – it is a legal and moral responsibility…. Read more »

How Passing TMVs Drive Legionella and Biofilm Formation

Passing TMVs create the exact conditions Legionella bacteria thrive in. The combined effects include: Once temperature control is lost, biofilm rapidly develops on internal pipe surfaces. Biofilm acts as: As biofilm thickens, it further restricts flow, worsening stagnation and creating a self-reinforcing cycle that accelerates colonisation. In many investigations of persistent Legionella positives, passing TMVs… Read more »