As part of our standard planning package Omnia were commissioned by our Client to undertake an Air Quality Assessment in support of a high profile development in Southsea, Portsmouth. Proposals involved a change of use from the existing commercial use into a mixed leisure scheme with aspects of residential occupancy.

The development is situated on one of the main arterial routes into the area within close proximity to existing residential and commercial use. As such, the impact of air quality was a key factor.

The proposed scheme had the potential to cause air quality impacts as a result of dust emissions during constructions, alongside road traffic exhaust emissions associated with vehicles travelling to and from the site during operation. In addition, the potential for future exposures of site users to any existing air quality issues needed to be considered as a strong factor.

A review of the dispersion modelling results indicated that predicted air quality impacts because of traffic generated by the development were not significant at any sensitive location in the vicinity of the site.

Predicted pollution levels were below the relevant air quality perspective, which was of key importance in line with the Portsmouth Air Quality Local Plan.

The Air Quality Assessment formed a key part of the planning application, and formed part of the pre-planning services that Omnia were able to offer to the client. This was alongside a Noise Impact Assessment, Geo Environmental Desk Top Study and Preliminary Ecological Appraisal.

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