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The Council on Tall Buildings and Urban Habitat has released this report on the use of elevators for emergency evacuation. The guide, titled Emergency Evacuation: Elevator Systems Guideline, is the result of a 14-month study by a 16-member task force nominated by CTBUH, comprising some of the world's leading architects, engineers, building owner representatives, elevator consultants, life safety consultants, fire engineers and elevator companies involved in the design of structures. This guideline will identify key issues that design teams should consider in the development of emergency systems.
The guide includes:
Key issues that design teams should consider in the development of emergency evacuation for tall structures, using three generic types of evacuation -- total, staged and fractional.
Three design approaches to emergency evacuation elevator systems -- standard, enhanced and protected.
Necessary evacuation systems training.
Table of Contents:
Arguments For Emergency Evacuation Elevators
- Safety
- Additional assets
- Existing building remodeling opportunities
- Zoning area exclusion
Fire And Extraordinary Event Evacuation
- Conventional egress route planning
- Fire evacuation protocols
- Consequences of extraordinary events on conventional evacuation protocols
Generic Emergency Evacuation Types
- Capacity needs of different evacuation types
- Total evacuation
- Staged evacuation
- Fractional evacuation
Design Approach
- General
- Standard elevator
- Enhanced Elevator
- Protected elevator
Protected Emergency Elevator Concept
- Principle
- Tenability provision
- Example of a protected emergency elevator in a typical mid-rise building
Electrical Systems
- General
- Normal electrical service
- Emergency power system
- Power distribution
- Stairwells
- Elevator vestibules
- Elevator machine room
- Hoistways
- Elevator car
- Protected/Enhanced/Standard elevator vestibules
Integration Of Building Automation Systems
- General
- Building Automation Systems (BAS)
- Security systems
- Intercoms
- Systems integration
- Considerations for implementation
Capacity Requirements Using Elevators And Stairs For Emergency Evacuation
- General
- Evacuation time calculation for elevators
- Evacuation time calculations for stairs
- Case study
- Bomb threat scenario: Total evacuation using elevators
- Bomb threat scenario: total evacuation using elevators and stairs
- Fire scenario: Staged evacuation using enhanced elevators
- Fractional evacuation: Evacuation of disabled or injured using elevators
- Conclusions drawn from the case study
Using Emergency Evacuation Elevators
- Occupants
- Using elevators in Total evacuation
- Using elevators in Staged evacuation
- Using elevators in Fractional evacuation
- Additional procedure descriptions
- Staff
- Emergency responder authorities
- Operation of protected elevators
- Communication devices
- Other monitoring devices
Integration Into Planning And Construction Process
Glossary
References
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