Ventilation
Part F of the Building Regulations W
ith Part F (Means of Ventilation) focusing heavily on health and wellbeing, a key addition to the document is a new section on monitoring indoor air quality (IAQ). Other key points include designing ventilation systems to minimise external pollutants entering indoor spaces, and assessing ventilation requirements when installing energy efficiency measures to ensure good IAQ. The scope of Part F of the Building Regulations covers both new build and refurbishment and now looks to both minimise the entry of external pollutants and ensure humidity and pollutants are extracted effectively and efficiently. The document also includes guidance on minimum levels of air quality, to ensure good occupant health, and considers ways to monitor IAQ as part of this. Furthermore, the document looks at energy efficiency and ventilation requirements. While the Regulations cover both residential and commercial, a new change for the Building Regulations is that flats with communal areas are now seen as commercial rather than residential buildings. With the pandemic highlighting the importance of good ventilation to mitigate virus transmission, Part F is also introducing improvements to ventilation in new non-residential properties to help prevent the spread of airborne viruses. In fact, it states that in “locations where continuous talking or singing takes place, or there are high levels of
24 | electrical wholesaler February 2023
physical activity (such as dancing, playing sport or exercising), providing ventilation sufficient to keep
CO2 levels below 800ppm is recommended”. There is also a sub section entitled ‘Indoor Air Quality Monitoring’, which states that in new buildings in the occupiable rooms it refers to there “should have a means of monitoring the indoor air quality.
This may be achieved using CO2 monitors or other means of measuring indoor air quality.” These actions will help ensure better indoor air quality in non-residential properties.
David Cook, technical product manager at Vent-Axia, said: “Amended Part F of the Building Regulations recognises the role of low carbon ventilation in the health and energy efficiency of buildings. To help consultants, contractors, developers and facilities managers understand and comply with the new regulations, at Vent-Axia we can offer guidance and advice including offering a new certified CPD.”
Vent-Axia is well prepared for the amendments to Part F for non-residential properties, with a wide range of sensors - including sensors for
CO2, which can be discreetly located on a wall and can intelligently boost ventilation based on
the detected CO2 levels. They can also provide a warning indication for occupants if CO2 levels rise above acceptable levels with a useful traffic light
system on the front, so occupants can activate purge ventilation when required. These sensors are designed to work in conjunction with a wide
With the amended Part F of the Building Regulations coming into effect from 15 June 2022, leading ventilation manufacturer Vent-Axia is offering advice on the changes for commercial and industrial clients.
range of ventilation solutions including the Sentinel Range of demand controlled inline fans, suitable for either supply of fresh air or extracts of stale air. The
inclusion of a CO2 sensor in the control provides optimal air quality control yet minimising the actual running costs of the fan.
Vent Axia now offers a CPD ‘Legislation for Commercial Ventilation’ which is Certified by The CPD Certification Service. The CPD will inform delegates of the recent changes to the legislation, focusing on Approved Document F (Means of Ventilation) and Approved Document L (Conversation of Fuel and Power). Delegates can sign up to the CPD by visiting
https://www.vent-axia.com/building- regulations-webinars
ewnews.co.uk
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