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Designing to reduce the chemical, biological and radiological vulnerability of new buildings (IP 7/15) DOWNLOAD

Designing to reduce the chemical, biological and radiological vulnerability of new buildings (IP 7/15) DOWNLOAD

by Vina Kukadia and Alan Abela (07-Sep-2015)

Book Description

Buildings are currently not designed specifically to offer protection against chemical, biological and radiological (CBR) releases. However, should a CBR event occur, it has the potential for a high adverse impact on buildings, their occupants’ health and wellbeing, and also on business operations and services. Since buildings have a long lifespan, consideration of protection measures is particularly important at the early stages of design. Once built, retrofitting to mitigate CBR impact will be time-consuming, disruptive and expensive. It is therefore important to consider and incorporate means of reducing the impact of CBR releases as an integral part of the initial building design, planning and construction process.

This Information Paper considers ventilation and infiltration as prime routes for the ingress of external contaminants into buildings. It provides an overview of some existing design standards, methods and practices that may be further reviewed and implemented at the design stage without adding significantly to costs.

Ingress of contaminants into buildings
Building air permeability (airtightness)
- Natural ventilation
- Mechanical ventilation
- HVAC controls
- Mixed-mode (hybrid) ventilation
- Ventilation air intakes and exhaust outlets
- Filtration
Physical security of plant and equipment
Fire safety and CBR incidents
Building zoning
Shelter-in-place and incident response strategies
Building information modelling
References and further reading
Appendix: Summary of strategies to reduce the impact of CBR releases on buildings

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