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AS/NZS 2243.8:2014

[Current]

Safety in laboratories, Part 8: Fume cupboards

Specifies safety requirements for laboratory fume cupboards and test methods to determine their performance. Siting and maintenance requirements are specified and requirements and guidance for the use of fume cupboards are included.
Published: 31/01/2014
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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 Normative references
1.3 Definitions
1.4 Risk assessment
2 Types, services and components
2.1 Fume cupboard types
2.1.1 Walk-in fume cupboards
2.1.2 Bench-type fume cupboards
2.1.2.1 General
2.1.2.2 Downdraught fume cupboard
2.1.2.3 Variable exhaust air volume fume cupboard
2.1.2.4 By-pass fume cupboard
2.1.2.5 Double-sided fume cupboard
2.2 Services
2.2.1 Electrical services
2.2.2 Other (piped) services
2.2.3 Links to building management systems
2.2.4 Fume cupboard control and isolation systems
2.2.4.1 Manual controls
2.2.4.2 Automatic emergency isolator
2.2.4.3 Room emergency switch
2.2.5 Lighting
2.2.6 Fault indicators
2.2.7 Control systems
2.3 Base
2.4 Sink
2.5 Sump
2.6 Chamber
2.7 Sash
2.7.1 General
2.7.2 Maximum working sash opening
2.7.3 Minimum sash opening
2.7.4 Vertically rising sashes
2.7.5 Sash handles
2.7.6 Design of sash opening
2.8 Baffles
2.8.1 General
2.8.2 Construction
2.8.3 Baffle setting
2.9 Support structure
2.10 Fume scrubbers and wash-down facilities
2.11 Heat shields
2.12 Warning label
2.13 Identification labels
2.14 Fire protection
2.14.1 Fixed fire protection
2.14.2 Thermal detectors
2.14.3 Fire extinguishers
3 Airflow, fume exhaust and dispersal
3.1 Requirements for airflow into the cupboard
3.1.1 Containment
3.1.2 Face velocity
3.1.3 Make-up air
3.1.3.1 Provision of make-up air
3.1.3.2 Distribution system
3.1.3.3 Auxiliary air supply
3.1.4 Airconditioned laboratories
3.1.5 Variable air volume (VAV) systems
3.1.6 Recirculation of air
3.1.7 Improving containment
3.2 Fume exhaust and dispersal
3.2.1 General
3.2.2 System pressure
3.2.3 Airflow requirements
3.2.4 Exhausts
3.2.5 Fans
3.2.5.1 Fan type
3.2.5.2 Fan components
3.2.5.3 Drainage
3.2.5.4 Construction and installation
3.2.5.5 Fan operation
3.2.5.6 Fan isolation
3.2.6 Ductwork
3.2.6.1 General
3.2.6.2 Air velocity within ducts
3.2.6.3 Route of ducting
3.2.6.4 Jointing
3.2.6.5 Fire isolation of exhaust ducts
3.2.7 Fume discharge
3.2.7.1 General
3.2.7.2 Reduction of discharge of fume
3.2.7.3 Discharge of contaminants
3.2.7.4 Occupational exposure
3.2.7.5 Discharge velocity
3.2.7.6 Height and location of discharge point
3.2.7.7 Air cleaning devices
3.2.7.8 Trapped contaminants
4 Siting and commissioning
4.1 Siting a fume cupboard
4.1.1 General
4.1.2 Height of working surface
4.1.3 Avoidance of airflow disturbances to the fume cupboard
4.1.3.1 Traffic routes
4.1.3.2 Opposing bench tops
4.1.3.3 Opposing walls, other obstructions and other operators
4.1.3.4 Other fume cupboards or equipment
4.1.3.5 Air supply registers
4.1.3.6 Architectural obstacles
4.1.3.7 Maintenance access
4.1.3.8 Airflow investigations
4.1.4 Exits and escape routes
4.2 Commissioning tests
4.2.1 General
4.2.2 Smoke test
4.2.3 Face velocity
4.2.4 Noise level
4.2.5 Illuminance
4.2.6 Results of commissioning tests
4.2.7 Testing
4.2.8 Placing in service
5 Maintenance and testing
5.1 General
5.2 Housekeeping
5.3 Awareness and decontamination
5.4 Safety during maintenance
5.5 Maintenance and testing schedule
5.5.1 General
5.5.2 Frequent inspection items
5.5.3 Six-monthly maintenance and testing
5.5.4 Annual maintenance and testing
6 Use of fume cupboards
6.1 Fume cupboard management
6.1.1 Laboratory management system considerations
6.1.2 Risk assessment
6.1.3 Liquid volumes
6.1.4 Flammable liquids
6.1.5 Warning label
6.2 Before use
6.3 During use
6.4 After use
6.5 Hazardous chemicals
Appendix A
A1 Scope
A2 Principle
A3 Apparatus
A4 Method for smoke testing fume cupboard performance
A4.1 General
A4.1.1 Sequence
A4.1.2 Existing installations
A4.1.3 New fume cupboard installations
A4.2 Procedure
A5 Reporting of results
A6 Assessment
Appendix B
B1 Scope
B2 Principle
B3 Apparatus
B4 Determination of face velocity
B4.1 General
B4.1.1 Sequence
B4.1.2 Existing installations
B4.1.3 New fume cupboard installations
B4.2 Procedure
B5 Reporting of results
Appendix C
C1 General
C2 Stainless steel
C3 Coated materials
C4 Plastics (polymeric materials)
C4.1 General
C4.2 Transparent polymeric materials
C5 Glass
C5.1 General
C5.2 Plate glass
C5.3 Wired glass
C5.4 Laminated glass
C5.5 Toughened glass
C6 Fibre cement
C7 Ceramics
C8 Timber
Appendix D
D1 General
D2 Radioactive materials
D3 Perchloric acid
D3.1 General
D3.2 Materials of construction
D3.3 Design and operation
D4 Hydrofluoric acid
D4.1 General
D4.2 Materials of construction
D4.3 Safety during use and maintenance
D5 Flammable reagents
D6 High temperature work
D7 Flammable liquids distillation
D7.1 General
D7.2 Fume cupboard construction
D7.3 Flammable gas supplies
D7.4 Base
D7.5 Warning label
D7.6 Fire protection
D7.7 Exhaust
D8 Biological work
D9 Heavy vapour work
D10 Double-sided fume cupboards
D10.1 General
D10.2 Controls
D10.3 Airflow
Appendix E
E1 Scope
E2 Specification
E2.1 Preliminary
E2.2 Performance
E2.3 Format
E2.4 Use
E2.5 Dimensions
E2.6 Services
E2.7 Supplementary equipment
E2.8 Fire protection
E3 Conditions of contract
E3.1 Site
E3.2 Period
E3.3 Practical completion
E3.4 Maintenance service
E4 Other recommendations
E4.1 Prime contractor
E4.2 Compliance with safety standards
E4.3 Marking of subassemblies
E4.4 Documentation
Appendix F
Appendix G
G1 General
G2 Individual duct design (dedicated exhausted systems)
G3 Manifolded duct design
G3.1 Characteristics of manifolded systems
G3.2 Considerations when designing manifolded systems
Bibliography
Cited references in this standard
[Current]
In-service safety inspection and testing of electrical equipment and RCD's
[Current]
The storage and handling of flammable and combustible liquids
[Current]
Wrought alloy steels — Standard, hardenability (H) series and hardened and tempered to designated mechanical properties
[Current]
Approval and test specification – General requirements for electrical equipment
[Current]
Electrical installations (known as the Australian/New Zealand Wiring Rules)
Content history
[Superseded]
DR AS/NZS 2243.8