FACILITY UPGRADES
proven processes and effective information sharing. That has been critical for eliminating the risk of details being overlooked or buildability issues occurring during construction. Working with the hospital’s user
requirement specification (URS) and engaging with the hospital’s estates team and senior pharmacist, we took the concept design from RIBA stage 2 to stage 4, taking advantage of opportunities to make significant improvements to the design to generate cost, buildability and operational benefits. Validation of the project also began at
design stage, with design qualification ensuring that the project is viable, fit for purpose and meets the URS.
Adding value One of the key improvements made during the design process was the relocation of the main corridor used to access the new pharmacy and the aseptic suite entrance. Switching this from the north side of the building to the south will enable key areas that need to be temperature controlled to the north side of the building where there is less solar gain. This change to the original layout will reduce the cooling load required for the facility, simplifying the building services and reducing operational cost. The new pharmacy aseptic suite is
arranged from east to west in a linear progression, occupying the entire level of the building. Former nurses’ accommodation on the seventh floor was earmarked for refurbishment as a plant room to serve the new facilities and this had to be put in place during phase one of the project to enable the new pharmacy to become operational before construction work commences on phase two.
As part of the design development
The Large Inner Support Area has a fully vinylled floor, walls and ceiling, with stainless secondary glazing and vision panels. The Corian work surfaces have rounded and fully coved edges, which have been manufactured to fit around the existing building structures.
process, the structural loading capability of the existing slab – constructed using hollow terracotta panels – had to be checked to verify if it could support the loads required for the two air handling units (AHU) needed for the pharmacy and aseptic facility. Any addition to the original scope of works was avoided with the use of a screed to provide a suitable base for the AHUs. Once the load bearing issues with the
seventh-floor slab had been resolved, it remained clear that service penetrations through this unconventional slab would have to be small in size. This required a greater number of small ducts, adding to the challenges of the congested service void.
The facilities have been designed
to HTM and GMP pharmaceutical requirements, with us carrying out the design qualification validation process before work began on site. Because ATMP is such a new area of biopharma preparation, the design development process also involved consultation with the MHRA (Medicines and Healthcare Regulatory Authority) to ensure design of the facility will be compliant with regulatory requirements. Following a consultation with MHRA, our team improved the design of the phase two facilities, splitting the change areas to avoid any cross-contamination risk. MHRA also confirmed the viability of the design, ensuring that validation can be achieved without any issues following completion of the project,
Digital design tools A suite of modelling and visualisation software aided the design and end-user engagement process. The facilities were designed using 3D REVIT modelling and Navisworks was utilised for clash detection. This was a vital step in designing the building services for the project around the restrictions of a limited existing ceiling void. The new pharmacy aseptic suite is heavily serviced and the 500 mm void had to accommodate both the new services and a number of existing service routes that needed to remain in place.
Lumion software was also used to A full height glazed panel takes advantage of natural light from the external glazing. IFHE DIGEST 2022
transfer the model into rendered images to give the client a realistic view of what the facility would look like. Virtual reality walk throughs then allowed the client to experience the facility and gain a sense
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