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Building Regulations and Standards
Relating to Air Quality
Julie Godefroy
Sustainability consultant
Breathe Easy
Breathe easy – engineering air quality solutions now
Overview programme
09:00
09:30 Chair’s welcome
09:40 Every breath we take: the lifelong impact of air pollution
10:00 BUCCANEER: Birmingham Urban Climate Change Adaptation with Neighbourhood
Estimates of Environmental Risk
10:10 How environmental engineering, design of buildings and operation can provide
healthier indoor environments
10:20 Interdependencies bet ween housing, energy and wellbeing
10:30 Building regulations and standards related to air quality
10:40
10:45
Hard and green engineering solutions t o tackle poor air qualit y in our homes, hospitals and transport systems
Homes
11:00 Safe as houses? Ventilation and health in dwellings
Overview of drivers
World Health Organization
European Union
Air Quality Directive, 2008 Emissions Ceiling Directive, Paints Directive, regulations and standards
UK Clean Air Act, 1968 Environment Act, 1995
Health Act - Smoking Ban, 2006 Air Quality Standards Regulations 2010 (devolved national responsibility)
Regulations and product standards
Control of Substances Hazardous to Health Regulations 2002
(COSHH), Housing Health and Safety Rating System (HHSRS)
Building Regulations
(Parts C, D1, F)
Local Authorities Air Quality Management
Areas, Air Quality Assessments at planning
Guidance - CIBSE, BS Voluntary schemes -
BREEAM, WELL
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Air Pollutant Levels – Regulations and Standards
Neither the concentration limits set by government, nor the World Health Organization’s air quality
guidelines, define levels of exposure that are entirely safe for the whole population (RCP).
Annual average
Shorter-term average Ozone
mg/m3, 8hr 100 120
F
400
PM10
mg/m3 40 50
24hr, max 35 times
24hr
#2hr
PM2.5
mg/m3, annual 15 10 25
2020
24hr
2020
now #2hr
288 (1hr)
mg/m3 40
F NO2 F
200
24hr, max 18 times
Air Pollutant Levels – Regulations and Standards
TVOC
mg/m3, 8hrs 300 500
F
Formaldehyde
mg/m3, 30min 30 100 2500
Carbon Monoxide
mg/m3, 8hr 10 35
F
7 100 (short-term exposure)
F
Outdoor and Indoor Pollutants
© RCP, 2016
Emissions to the outdoors – Plant, vehicles
Outdoor levels Emissions to the indoors – Smoking, building, some products
Indoor levels – Radon, mould control,
CO, VOCs, ozone, NO2
So What’s The Problem?
Building Regulations Part F Principles & enforcement of performance criteria
“ Ventilation is simply the removal of ‘stale’ indoor air from a building and its replacement with ‘fresh’ outside air. It is assumed within the Approved Document that the outside air is of reasonable quality. This Approved Document does not address contamination from outdoor sources. “
“Tick-box” BREEAM, incl. VOC standards Planning impact assessment >> Value of performance review and monitoring e.g. WELL
Outdoor Air Quality
Annual WHO guideline
Annual UK objective
Annual WHO guideline
Annual UK objective
Annual UK objective & WHO guideline
Outdoor Air Quality
Urban Microclimate
© Julie Futcher
Guidance
1) Strategic site assessment Site and building assessment within their surroundings Beyond “impact assessment”: integrate air quality in the design process, set air quality targets - WHO, BS 13779 Masterplan decisions on building location and low-impact transport modes
2) Strategic design decisions Layout of buildings Location of inlets and exhausts - CIBSE TM21 Space planning for pedestrian and cyclist amenities - BREEAM/Code/HQM, WELL
3) Minimising sources of pollution Passive design and energy efficiency first - Part L, BREEAM/Code/HQM Low-NOx plant – boilers and back-up generators - Regulations, BREEAM/HQM, WELL Minimising indoor sources e.g. low VOC materials; printers - CIBSE TM40, CIBSE KS17
3) Filtration Particulates e.g. F7 filters in urban areas… and in residences? - CIBSE Guide A / BS 13779:2007 Further options e.g. NOx removal, carbon filters - CIBSE, WELL
4) Ventilation rates – Part F, CIBSE Guide A, WELL
5 ) Commissioning and handover
6 ) Operation: Monitoring and maintenance
Thank you !
[email protected] JulieG_Sust
www.juliegodefroysustainability.co.uk www.tranquilcity.co.uk
due to outdoor air pollution