Related Experiment Video
Updated: Jun 12, 2026

11:13
Safety Precautions and Operating Procedures in an (A)BSL-4 Laboratory: 3. Aerobiology
Published on: October 3, 2016
Exercise headcount: what do you do with 800 scientists who cannot return to the building they have just evacuated?
1Pfizer Global Research & Development, Sandwich, Kent, UK. nick.berry@pfizer.com
Journal of Business Continuity & Emergency Planning
|May 25, 2010
Summary
Annual fire drills are insufficient for real emergencies. This study introduces a post-evacuation mustering and triage system to manage evacuated personnel and identify those needing immediate assistance during extended building restrictions.
Area of Science:
- Emergency management
- Occupational safety
- Disaster preparedness
Background:
- Annual fire drills ensure evacuation procedure familiarity but are limited in duration.
- Real incidents may restrict building re-entry for extended periods.
- Effective post-evacuation management is crucial for personnel welfare and safety.
Purpose of the Study:
- To address the challenges faced by emergency managers during prolonged evacuations.
- To present a case study of a post-evacuation mustering and triage system.
- To provide a practical solution for managing evacuated personnel and prioritizing assistance.
Main Methods:
- Case study approach focusing on 'Exercise Headcount'.
- Development of a post-evacuation mustering and triage system.
- Application of the system at a Pfizer Research & Development site.
Main Results:
- The 'Exercise Headcount' system was developed in response to a real-world incident (Pfizer's 2007 New York steam-pipe explosion).
- The system facilitates the management of evacuated colleagues.
- It aids in providing welfare support and identifying individuals requiring immediate assistance.
Conclusions:
- The developed mustering and triage system offers a viable solution for post-evacuation management.
- This approach enhances emergency preparedness for prolonged incidents.
- It ensures better welfare and safety for evacuated personnel.
Related Concept Videos
Steps in Outbreak Investigation
In the ever-evolving field of public health, statistical analysis serves as a cornerstone for understanding and managing disease outbreaks. By leveraging various statistical tools, health professionals can predict potential outbreaks, analyze ongoing situations, and devise effective responses to mitigate impact. For that to happen, there are a few possible stages of the analysis:
Stress Concentrations
Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller width...
Stress Concentrations
The concept of stress concentration is crucial for understanding how materials respond under bending stresses, particularly when there are irregularities or discontinuities in the material's geometry. Normally, stress in a symmetric member subjected to pure bending is assumed to be uniformly distributed across the entire cross-section. However, this assumption does not hold when there are variations in the cross-sectional geometry or the presence of notches and holes.
The stress concentration...
The stress concentration...
