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Medical Air Technology delivers turnkey refurbishment project at University Hospital Lewisham
Medical Air Technology (MAT) recently completed work on Theatres 3 and 4 in the Riverside Treatment Centre at University Hospital Lewisham, upgrading them from conventional to ultraclean as part of a Private Finance Initiative (PFI) lifecycle and upgrade programme. The upgrade increases the range of orthopaedic surgeries the hospital can offer and provides clinical teams with the most advanced theatre environment. The hospital carries out a range of planned and emergency surgeries at the centre, which is housed in the Riverside Building, constructed in 2004 under a PFI contract and managed by Bouygues Energies and Services Ltd. Having worked successfully together at Barnet Hospital and West Middlesex University Hospital, it was Bouygues that brought MAT into the Lewisham turnkey refurbishment project, which was delivered on time and to budget.
The demanding programme allowed for just five weeks to be spent upgrading each theatre, with surgery carrying on as normal in the remaining theatres while work was underway. MAT installed ultraclean ventilation (UCV) canopies from its innovative ECO-flow™ range, as well as multi-movement pendants, operating lights, flooring, general lighting, new pressure stabilisers, new ceilings and decoration. Due to space constraints, access to the theatres was only available via an outside wall. To achieve this, MAT had to remove an area of sufficient size to allow the equipment to be taken in and out and install temporary access doors. Once the project was completed, the wall was rebuilt and external finishes applied to match the existing building.
The Riverside Building was designed to reflect contemporary environmental concerns and was the first major NHS building to generate a proportion of its own power using photovoltaic panels installed on the roof. MAT places a similar value on being as environmentally-friendly as possible – ECO-flow™ UCV canopies are engineered to use less energy while still keeping the patient safe from airborne contaminants. Energy efficiency is achieved through innovative internal design and the introduction of infinitely variable-speed DC motors, while highly efficient centrifugal fans reduce the energy drain required for cooling. LED cruciform lighting has also been added. The system uses up to 60% less power than other similar canopies, even in full ultraclean mode. When not in use, the system can be turned off rather than being left in standby mode; when it is needed again, it only requires a purge time of around 30 minutes to create an ultraclean environment. Reduced energy usage also means reduced energy spend, another way hospitals benefit from using the ECO-flow™ system.
MAT offers a wide range of services so is able to respond flexibly and quickly to the specific needs of each client, providing all the benefits that come from working with a specialist contractor. With its own in-house UK manufacturing facility and dedicated team of highly skilled engineers, MAT manufactures and supplies bespoke equipment for demanding clinical arenas. Clients can choose from several options, ranging from UCV canopy only right through to a total turnkey package, ensuring they get exactly the solution they need. In addition, MAT FM can provide a range of competitively priced and highly effective service and maintenance packages for all core products and turnkey solutions offered by MAT or other suppliers, ensuring that equipment is maintained, serviced and validated correctly for optimum performance.
After completing several previous cleanroom and containment laboratory projects at Imperial College London, MAT was proud and excited to once again have the opportunity to work in partnership with such a prestigious institution to deliver the new research environments.
After initial designs were developed and approved, building work began in summer 2020 and the new cleanrooms were handed over in June 2021, the entire project having taken just 11 months.
Imperial College London is a global top ten university with a world class reputation. Its alumni include 14 Nobel Prize winners, including Sir Alexander Fleming.
To enable the highest level of research, the university offers the best
possible facilities. One of its flagship buildings is the £90m Sir Michael
Uren Hub, located at the White City campus. Designed as a
collaborative facility, the 13-storey Hub provides space for Imperial’s
world-leading researchers, engineers, scientists and clinicians to work
alongside one another to investigate some of the twenty first century’s
most urgent biomedical and healthcare problems.
FEATURES CONTAINED WITHIN THE CLEANROOMS:
The new cleanrooms MAT was commissioned to design and build both had to be ISO Class 6 standard to safely accommodate the semiconductor research that would be carried out in them. Class 6, as defined in ISO 14644-1:2015 Cleanrooms and Controlled Environments, refers to the cleanliness levels that must be met within the cleanroom.
In addition to having a high air change rate, an ISO 6 environment must be accessed through airlocks to preserve pressurisation differentials and prevent the migration of particles from outside into the cleanroom space, increasing one class at a time. So, users should pass through an ISO 8 environment, then an ISO 7 environment, before entering the ISO 6 cleanroom.
MAT acted as the designer and main contractor on the cleanroom project, working closely with the university to ensure minimum disruption to the other activities being carried out in the Sir Michael Uren Hub.
The team developed a design built around the complex research equipment and specialist tools that would be housed in the new cleanrooms. Work included final services connections and extensive bottled and house gases installation to several hazardous gases and associated gas detection systems.
HVAC design is complex and requires a highly skilled delivery team.
MAT is an expert in the provision of specialist HVAC systems. The HVAC system is at the heart of cleanroom design. Cleanroom HVACs differ from standard systems in that they have an increased air supply, different airflow patterns, use of high efficiency particulate air (HEPA) filters, and room pressurisation, and clean to dirty room air cascades.
In order to meet the required air cleanliness, the air must pass through HEPA filters. The lower the ISO class, the more often the air must pass through the HEPA filter. This ‘air changes per hour’ rate (ACH) and the room volume are used to calculate the HVAC’s required airflow. A conventional HVAC system usually makes two to four air changes per hour, whereas in a cleanroom it can range anywhere from 10 to 250 or even more.
The ISO Class 6 cleanrooms at Imperial College London require air change rates from 50 to 70 per hour.
MAT designs, manufactures and installs bespoke critical ventilation systems and turnkey project solutions for new build and refurbishment projects. As a specialist contractor with many years’ experience, we are passionately committed to improving patient protection and end-user safety in demanding clinical, research and drug production arenas.
We have extensive experience of working in live environments and understand the challenges around delivering a project within an operational scenario.
In addition, MAT FM provides a range of competitively priced and highly effective service and maintenance packages for all core products and turnkey solutions offered by MAT or other suppliers, ensuring that equipment is maintained, serviced and validated correctly for optimum performance.
For more information, please contact Will Evans:
Tel: 0844 871 2100
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