Client: University Hospital Wishaw
Project length: 12 weeks
Completion date: July 2022
HF divisions involved: Mechanical, Plumbing, Heating & AC
Brief project description: Our Mechanical division were contracted to carry out the installation of new Thermal Balancing Valves to assist with the circulation of the Domestic Hot Water services at the University Hospital Wishaw.
Domestic Hot Water should circulate at 55 degrees Celsius or above to minimise the risk of legionella bacteria forming in the pipework. Maintaining this higher temperature kills of the bacteria and is an essential system for environments like hospitals.
Project Challenges: These works were carried out in a live hospital environment so forward planning and constant communication and consulting with hospital staff was a top priority.
As we were working in a live environment, we were unable to shut off water supplies to the hospital wards and instead had to get creative. We had to locally freeze sections of pipe and install the Thermal Balancing Valves that had been dipped in Sanisil solution (a universal antiviral disinfectant based on hydrogen peroxide and silver) prior to installing to ensure the valves were sterilised and the system cleanliness was not compromised.
On completion of individual Hospital Wards, we took water samples and sent them to the lab to ensure the water quality and that no bacteria was present.
On completion of all works, we issued as installed drawings with valve locations identified so that the hospitals onsite maintenance staff can check the return temperatures regularly and ensure their water system is compliant and legionella free.
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HF Group February Safety News Our Safety Priority At HF, safety is always at the core of everything we do. Each month, we spotlight a key safety concern to raise awareness and enhance safety standards across our divisions. For February 2025, we are revisiting and reinforcing the key themes of on-site safety with a continued […]