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EDITOR’S PICKS


The necessity of sewer cleaners in London means they do not need to make direct vision changes and will not incur a fine, and are also


currently exempt from the ULEZ. They do still need to apply for a


permit through the TFL website, but this is free and a very quick process.


In other changes, October 2021 saw the Ultra Low Emission Zone for London widen. Now, vehicles that do not comply with the low emission standards will receive fines of £12.50 a day. The move has prompted other cities to implement similar operations with Bristol, Edinburgh, Glasgow, Manchester, Newcastle, and Portsmouth the next on the list to start.


The ULEZ was introduced as a need to improve air quality and the health of those in the capital. Air quality is measured by how clean the surrounding air is. This is measured by analysing the concentration of certain pollutants in the air including smoke, dust, smog, harmful chemicals and, most notably, Particulate Matter (PM10 and PM2.5).


Inhalable Particular Matter (PM10 and PM2.5) is most common in cities and on roadways. The main source of PM emissions is from internal combustion engines and dust. These particulates settle on surfaces, then when a vehicle drives over it, the gusts produced from that movement cause the particulates to become airborne, mixing with the air and lowering the air quality.


These particulates are the main cause of human health issues from poor air quality. The exposure to PM10 and PM2.5 has been shown to have a significant detriment to lung and heart health and an increase in respiratory diseases such as asthma. Therefore, reduced air pollution indicates better health for those who spend a significant amount of time on and around roadways.


One study (Kumari Et al., 2020) showed that the significant reduction in air pollution during lockdown was due to lower levels of PM2.5, PM10 and NO2. This improvement in air quality was witnessed across the globe, however it was proven to be temporary because once lockdown restrictions lifted, the


26 | March 2022 | www.draintraderltd.com


pollution levels once again increased.


London has introduced the Low Emission Zone and the Ultra Low Emission Zone as a way to combat the air quality crisis and to reduce the number of particulate-producing vehicles driving through the city… And it’s working.


In an evaluation by the Greater London Authority and the effectiveness of the ULEZ, they found that although there was a “substantial and immediate improvement in air quality in recent years, significant work remains to bring London’s pollution down to levels where it does not have a harmful impact on public health.”


Similar to the Direct Vision Standard, sewer cleaners are also exempt from the ULEZ. Again, a permit is required for the exemption but this is also free.


As well as the broadening of the ULEZ, the engine standard for HGV lorries changed as an additional measure to cut down on air pollution. If using a diesel engine, a lorry must have a Euro VI engine (previously Euro IV) in order to comply with the Low Emission Zone and avoid a daily fine. All these changes considered, it appears that alternative fuels and electric powered vehicles are the safest and potentially cheapest way to go.


London is leading the way in low emission and safety standards. Many cities across the UK are looking to the capital to improve their own regulations, and after seeing the success, are bringing these measures forward. It is only a matter of time before these standards are rolled out throughout the whole of Europe.


For the time being though, the regulations are being introduced in a measured way with sewer cleaners being one of the exceptions to the rule.


Bucher Municipal – Driven by Better


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