When Should Cold Water Storage Tanks Be Cleaned?

Water Sustainability and the Need for Conservation With the growing pressures of population expansion, urbanisation, and the global climate crisis, the demand for water resources is increasing at an unsustainable rate. Projections indicate that by 2050, an additional 4,000 million litres of water per day—equivalent to approximately 1,600 Olympic-sized swimming pools—will be required to meet… Read more »

Increasing Water Hygiene Risks – Water System Components: Showers, Outlets and Terminal Fittings

High-Risk Water System Components: Showers, Outlets and Terminal Fittings Flexible Hoses: Technical Considerations for Water Hygiene and Legionella Risk Management In accordance with HSG274 Part 2, Section 2.31, the use of flexible hoses in domestic water systems presents a recognised risk factor for Legionella proliferation, particularly when hoses are of poor construction quality or installed… Read more »

Tender Win – NW Ambulance Services NHS Trust

We have been sucessful with a recent tender bid to deliver Water Hygiene services to North West Ambulance Service NHS Trust. We will be delivering Legionella risk assessments, PPM services and remedial services. The service covers Cumbria, Lancashire, Greater Manchester, Merseyside & Cheshire and will include around 100 Ambulance stations. The service will commence from… Read more »

We are on the move

We officially have a new home. As of 28th October, GMS will be living at Sovereign Business Park on Warrington Road. We are officially moving out of rented accommodation and after 27 1/2 years in business we have finally taken the plunge and moved into our own building. Watch this space as we develop the… Read more »

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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 »