ESTATE DECARBONISATION
Chris Yeo
Above: Roof-mounted solar PV on the Academic Block roof at the John Radcliffe Hospital. Right: New LTHW heating mains pipework installed as part of the de-steaming works – the external route at ground level.
n The fitting of 870 solar panels on 11 buildings, covering 1,699 m²,with a capacity of 357 kWp.
n Introduction of variable flow heating distribution systems through the installation of 7 new variable speed pump sets and 38 2-Port valves.
n Replacement of 20 belt-driven air-handling fan units with EC AHU fan assemblies with integrated inverter drives and BMS Modbus control units.
n Replacement of 22 chiller condenser fans with Electronically Commutated (EC) axial fan units and controls.
n A BMS upgrade (33 obsolete controllers replaced) and strategy optimisation. n Pipework insulation.
The work at the John Radcliffe meanwhile entailed: n Relocation and upgrading of the compactor to allow for the extension to the Energy Centre building.
n De-steaming works. n Replacing obsolete equipment with new. n Removing asbestos in some areas. n Conversion of the Energy Centre from a steam to a Primary Low Temperature Hot Water Energy Centre.
n Installation of a Primary Low Temperature Hot Water link to a water source heat pump.
n 1,342 solar panels fitted to seven buildings covering 2,682 m², and with a capacity of 584 kWp.
n Installation of heat pumps. n Replacement of 32 existing belt-driven air-handling fan
Chris Yeo, director of Low Carbon Solutions at Vital Energi, is the business’s account manager for this PSDS project, and has supported the development and delivery of the grant- funded scheme. He has over 25 years’ experience in the energy and construction industry. He specialises in Energy Performance Contracting, so has expert knowledge in developing carbon reduction projects that deliver true and verifiable savings.
April 2025 Health Estate Journal 25
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