Planning and environmental permitting application for Christie Hospital Manchester
Ricardo was commissioned by Vital Energi to support both the planning application and environmental permitting application for the proposed installation of a new combined heat and power (CHP) unit and additional boiler at the Christie Hospital. Air quality impacts arising from the project needed to be carefully considered as the hospital is located in Withington, a fairly densely populated area, and sits close to parts of the Greater Manchester air quality management area (AQMA). Two designated habitat sites were also identified nearby, so consideration was given to the protection of the sensitive vegetation and ecosystems in these habitats.
Ricardo produced an air quality impact assessment which described the current baseline air quality in the area and assessed the future air quality impacts associated with the proposed installation. Detailed dispersion modelling was undertaken using ADMS 5.2, the latest version of the commonly used advanced atmospheric dispersion model. The modelling provided predicted pollutant concentrations (nitrogen dioxide (NO2) and fine particulate matter (PM10)) at carefully selected locations, representing sensitive receptors such as schools and nurseries as well as locations within the hospital site. Contour plots were used to present the predicted spatial variation in pollutant concentrations across the study area, providing a visual guide to the expected air quality in the nearby area. Following best practice, the predicted change in air quality due to the installation was quantified in terms of impacts on the health of those living and working in the local area, including hospital residents, and on nearby habitats.
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