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AS 4825-2011

[Pending Revision]

Tunnel fire safety

Provides a generic framework for establishing the fire safety systems that are required in new road, rail or bus tunnels to provide an acceptable level of safety in case of fire; provides guidance in the development of a fire safety strategy, the design and documentation of fire safety systems for tunnels.
Published: 01/02/2011
Pages: 75
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Limitations of Standard
1.4 Tunnel classification
1.5 Referenced documents
1.6 Definitions
1.7 Abbreviations
2 Key information and design consideration
2.1 Scope of section
2.2 Physical characteristics
2.3 Design considerations
2.3.1 Objective
2.3.2 Traffic characteristics
2.3.3 Preventive measures
2.3.4 Incident mitigation
2.3.5 Asset protection
2.3.6 Business interruption
2.3.7 Structural damage
2.3.8 Emergency services intervention
2.3.9 Incident management
2.3.10 Environment
2.3.11 Tunnel configuration
2.3.12 Constructability
2.3.13 Maintainability
2.3.14 Reliability and redundancy
2.3.15 Method of operation
2.3.16 Other considerations
3 Fire engineering process
3.1 Scope of section
3.2 Roles of stakeholders
3.2.1 General
3.2.2 Principal
3.2.3 Proponent
3.2.4 Contractor
3.2.5 Design entities
3.2.6 Third-party peer reviewer
3.2.7 Fire safety engineer
3.2.8 Tunnel operator
3.2.9 Fire authority
3.2.10 Other emergency services
3.2.11 Disability advisor
3.2.12 Transport safety agencies
3.3 Fire safety design stages
3.3.1 General
3.3.2 Trial concept design (fire safety strategy)
3.3.3 Schematic design (FEB)
3.3.4 Design development (fire engineering assessment)
3.3.5 Design/construction documentation
3.3.6 Installation and construction
3.3.7 Commissioning and testing
3.3.8 Operation and maintenance
3.4 Fire safety documentation
3.4.1 General
3.4.2 Documentation
4 Trial concept design (TCD)
5 Performance of fire safety measures
5.1 General
5.2 Fire detection system
5.3 Fire alarm system
5.4 Video surveillance
5.5 Communication
5.6 Traffic monitoring
5.7 Traffic management
5.8 Emergency/incident management
5.9 Egress
5.10 Emergency lighting
5.11 Wayfinding
5.12 First attack firefighting
5.13 Smoke hazard management for evacuation
5.14 Facilities for emergency services intervention
5.15 Fire-suppression
5.16 Structural fire resistance
5.17 Fire compartmentation
5.18 Drainage system protection
5.19 Fire load
5.20 Emergency power supply
6 Fire engineering assessment
6.1 General
6.2 Deterministic and probabilistic analysis
6.2.1 Deterministic analysis
6.2.2 Probabilistic risk analysis
6.3 Fire engineering analysis
6.3.1 Fire hazard identification
6.3.2 Scenario development
6.3.3 Design fire
6.3.3.1 General
6.3.3.2 Fire characteristics
6.3.4 Smoke analysis
6.3.4.1 Analysis tools
6.3.4.2 Geometry and boundary conditions
6.3.4.3 Fire characteristics
6.3.5 Egress analysis
6.3.5.1 Egress strategy
6.3.5.2 Egress population
6.3.5.3 Trial concept design for exits
6.3.5.4 Determining required safe egress time (RSET) and components
6.3.5.5 Egress modelling
6.3.6 Structural fire resistance analysis
6.3.7 Emergency services intervention
6.4 Acceptance criteria
6.4.1 Tenability criteria
6.4.2 Visibility criterion
6.4.3 Structural, fire resistance, spalling
6.4.4 Risk acceptance criteria
6.4.4.1 General
6.4.4.2 Risk approach
6.4.4.2.1 Absolute risk approach
6.4.4.2.2 Comparative risk criteria
6.4.5 Safety factors
6.4.6 Redundancy
7 Design guidance of fire safety measures
7.1 Scope of section
7.2 Performance
7.3 Design guidance
8 Fire protection system integration
8.1 General
8.2 Human machine/component interface
8.2.1 Operator interface
8.2.2 Simplicity of control system
8.3 Control room design
9 Installation and construction
9.1 General
9.2 General installation and construction
9.3 Quality management
9.4 Incoming inspections
9.5 Handling and storage
9.6 Verification of installation and construction
9.7 Protection of installed fire safety measures
9.8 As-built drawings and specifications
9.9 Addition and alteration of existing fire safety measure
10 Testing and commissioning
10.1 General
10.2 Development of the testing and commissioning plan
10.3 Testing and commissioning of system components
10.4 Testing and commissioning of fire safety measures
10.5 Testing and commissioning of the fire safety system
10.6 Commissioning report(s)
10.7 Operational readiness
10.7.1 General
10.7.2 Infrastructure readiness
10.7.3 Personnel readiness
10.7.4 Documentation readiness
11 Maintenance
11.1 General
11.2 Design for maintenance
11.2.1 Environmental factors
11.2.2 Occupational health and safety consideration
11.2.3 Reliability
11.2.4 System availability
11.2.5 Maintenance access
11.3 Maintenance
11.3.1 General
11.3.2 Planned maintenance
11.3.3 Corrective maintenance
11.3.4 System verification
11.3.5 Documentation
12 Emergency management and fire brigade intervention
12.1 General
12.2 Emergency management
12.3 Fire brigade intervention
12.3.1 General
12.3.2 Notification
12.3.3 Access
12.3.4 Incident control room (ICR)
12.3.5 Labelling and identification
12.3.6 Power isolation
12.3.7 Depth of penetration
12.3.8 Communications
Appendix A
Appendix B
Cited references in this standard
[Current]
Fire — Glossary of terms, Part 2: Fire protection and firefighting equipment
[Current]
Fire-resistance tests - Elements of building construction - Part 1: General requirements
[Current]
Water mist fire protection systems — System design, installation, and commissioning
[Superseded]
Fire detection and alarm systems, Part 10: Point-type flame detectors
[Current]
Structural design actions, Part 1: Permanent, imposed and other actions
Content history
DR AS 4825
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