It’s not just ventilation that removes viable virus from indoor air. To understand the risk of transmission of Covid-19, the University of Nottingham’s Benjamin Jones and Chris Iddon say other mechanisms that are dependent on the volume of a space have to be considered
Tag: Ventilation
Business studies: adapting commercial offices for universities
With office occupation in central London not expected to return to pre-Covid levels, Andy Pearson finds out how space has been repurposed for university students at two major developments
Research on indoor air quality for homeworkers
Millions of people now work from home because of Covid-19 restrictions, but are they working in a healthy environment? Researchers have assessed the impact on indoor air quality in eight homes. Anastasia Mylona reports
Air of authority: interview with Professor Catherine Noakes
Professor Catherine Noakes’ knowledge of ventilation and infection transmission has made her one of the government’s key scientific advisers on Covid-19. In recognition of her work, she was made an OBE last month. Alex Smith talks to her about the challenge of winter and the impact of infection control going mainstream
Winter protection: version 4 of CIBSE’s Covid-19 Ventilation Guide
The cold season brings new challenges for building managers trying to minimise the Covid-19 risk while maintaining occupant comfort. Chris Iddon introduces the latest CIBSE guidance on optimum HVAC strategies for Covid-secure buildings
Case study: retrofit of Fairfield Halls theatre
Fairfield Halls theatre in Croydon is a prime example of 1960s public architecture, so when Max Fordham was asked to devise a services strategy during a major refurbishment, it had to stay faithful to the original while maintaining 21st-century comfort and efficiency. Andy Pearson reports
Unwanted guests: bipolar ionisation in hotel rooms
Bipolar ionisation can improve air quality and remove odours from hotel rooms, says Spire Building Services’ Adam Taylor, who highlights research in Spain on its use to reduce the risk of Covid-19
Thinking outside of the box: the 2020 CIBSE ASHRAE Technical Symposium
Covid-19 may have moved the 10th CIBSE Technical Symposium from auditorium to desktop, but the expertise and knowledge shared by more than 70 speakers, made it an enriching experience for those who tuned in. Alex Smith, Liza Young and Phil Lattimore report
Understanding Hepa filters
An appropriately specified Hepa filter can be used in mechanically ventilated spaces and recirculating systems to practically remove small airborne particulates. CIBSE Journal technical editor Tim Dwyer looks at what must be considered when integrating them into HVAC systems
Clear guidance: TR40 Best practice for exhaust ventilation
The risk of death and illness because of exposure to hazardous substances in the workplace can be cut by following the best practice guidance in ILEVE and BESA’s new TR40 publication. Alex Smith summarises the guidance aimed at the safe design and installation of local exhaust ventilation