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AS 4214:2018
[Current]Gaseous fire-extinguishing systems
The objective of this Standard is to provide designers and installers with minimum requirements for the design, installation, testing and commissioning of gaseous fire extinguishing systems for structures, building and plant.
Published: 16/04/2018
Pages: 140
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Definitions
4 Use and limitations
4.1 General
4.2 Protection of multiple enclosures
4.3 Extinguishing agents
4.3.1 General
4.3.2 Environmental properties
4.4 Electrostatic discharge
4.5 Compatibility with other extinguishing agents
4.6 Temperature limitations
5 Safety
5.1 Hazard to personnel
5.2 Safety precautions
5.2.1 General
5.2.2 For normally occupied areas
5.2.3 For normally unoccupied areas
5.2.4 For unoccupiable areas
5.3 Occupiable areas
5.4 Electrical hazards
5.5 Electrical earthing
5.6 Electrostatic discharge
5.7 Warning notices
6 System design
6.1 General
6.2 Extinguishing agent supply
6.2.1 Quantity
6.2.2 Quality
6.2.3 Storage container arrangement
6.2.4 Storage containers
6.2.4.1 General
6.2.4.2 Contents indication
6.2.4.3 Marking
6.2.4.4 Manifolded storage containers
6.2.4.5 Operating temperatures
6.3 Distribution
6.3.1 General
6.3.2 Piping
6.3.3 Fittings
6.3.4 Pipe and valve supports
6.3.5 Valves
6.3.6 Nozzles
6.3.6.1 Nozzle choice and location
6.3.6.2 Nozzles in ceiling
6.3.6.3 Marking
6.3.6.4 Filters
6.3.7 Pressure reducing orifice assembly
6.4 Detection, actuation and control systems
6.4.1 General
6.4.2 Automatic detection
6.4.3 Operating devices
6.4.3.1 Automatic operation
6.4.3.2 Manual operation
6.4.3.3 Manual mechanical release
6.4.4 Control equipment
6.4.4.1 Electric control equipment
6.4.4.2 Local Control Station (LCS)
6.4.4.3 Pneumatic control equipment
6.4.5 Audible alarms and visual warning devices
7 Extinguishing agent system design
7.1 General
7.2 Specifications, plans and approvals
7.3 System flow calculations
7.3.1 General
7.3.2 Friction losses
7.3.3 Pressure drop
7.3.4 Valves and fittings
7.3.5 Liquefied gases—Specific requirements
7.4 Enclosures
7.5 Extinguishing agent concentration requirements
7.5.1 Flame extinguishment
7.5.2 Inerting
7.6 Total flooding quantity
7.6.1 General
7.6.2 Liquefied gases
7.6.3 Non-liquefied gas
7.7 Altitude adjustment
7.8 Duration of Protection
7.9 System performance
7.9.1 Discharge time
7.9.1.1 Liquefied extinguishing agent
7.9.1.2 Non-liquefied extinguishing agent
7.9.2 Extended discharge
8 Commissioning and acceptance
8.1 General
8.2 Tests
8.2.1 General
8.2.2 Enclosure check
8.2.3 Review of design calculations
8.2.4 Review of mechanical components
8.2.5 Review of enclosure integrity
8.2.6 Review of electrical components
8.2.7 System functional test
8.2.8 Completion of functional tests
8.3 Completion certificate and documentation
8.4 Block plan
9 Maintenance
Appendix A
A1 General
A2 Use and limitations
A3 Agent selection
A3.1 Halocarbon agents
A3.2 Use of halocarbon agents
A3.3 Inert gases
A4 Safety requirements
A5 System design
A5.1 Specification, plans and approvals
A5.2 Acceptance of installations
A5.3 Approval of components
A5.4 Design concentration
A5.4.1 Agent
A5.4.2 Combination of fuels
A5.5 Total flooding quantity
A5.5.1 General
A5.5.2 Halocarbon or inert gas
A5.5.3 Carbon Dioxide (CO2)
A5.5.4 Multiple spaces
A5.6 Special conditions
A5.7 Discharge time
A5.7.1 Halocarbon agents
A5.7.2 Inert gases (including CO2)
A5.8 Duration of protection
A5.9 System flow calculations
A5.10 Nozzle choice and location
A6 Enclosure requirements
A7 Agent supply
A7.1 General
A7.2 Storage container brackets
A7.3 Protection against corrosion
A7.4 Location of storage containers
A8 Distribution system
A8.1 General
A8.2 Piping
A8.3 Aluminium
A8.4 Penetrations
A9 Detection, actuation and control
A9.1 General
A9.2 Fire detection
A9.2.1 General
A9.2.2 Design
A9.2.3 Power supply
A9.2.4 IP rating
A9.2.5 Control panel
A9.3 Agent discharge
A9.3.1 General
A9.3.2 Discharge station
A9.3.3 Lighting and labelling
A9.3.4 Automatic release
A9.3.5 General
A10 Marking
A11 Commissioning and acceptance
A11.1 General
A11.2 Door fan test
A11.3 Functional test
A12 Documentation
A13 Inspection and maintenance
Appendix B
B1 General
B2 Working documents
B3 Specific details
B3.1 Pre-engineered systems
B3.2 Engineered systems
B4 Completion certificate and documentation
Appendix C
C1 Scope
C2 Principle
C3 Test medium
C4 Apparatus
C5 Procedure
C6 Re-commissioning
C7 Reporting
Appendix D
D1 Scope
D2 Characteristics and uses
D2.1 General
D2.2 Use of CF3I systems
D3 Safety of personnel
D4 System design
D4.1 Fill density
D4.2 Superpressurization
D4.3 Extinguishing agent quantity
Appendix E
E1 Scope
E2 Characteristics and uses
E2.1 General
E2.2 Use of FK-5-1-12 systems
E3 Safety of personnel
E4 System design
E4.1 Fill density
E4.2 Superpressurization
E4.3 Extinguishing agent quantity
Appendix F
F1 Scope
F2 Characteristics and uses
F2.1 General
F2.2 Use of HCFC Blend A systems
F3 Safety of personnel
F4 System design
F4.1 Fill density
F4.2 Superpressurization
F4.3 Extinguishing agent quantity
Appendix G
G1 Scope
G2 Characteristics and uses
G2.1 General
G2.2 Use of HFC 125 systems
G3 Safety of personnel
G4 System design
G4.1 Fill density
G4.2 Superpressurization
G4.3 Extinguishing agent quantity
Appendix H
H1 Scope
H2 Characteristics and uses
H2.1 General
H2.2 Use of HFC 227ea systems
H3 Safety of personnel
H4 System design
H4.1 Fill density
H4.2 Superpressurization
H4.3 Extinguishing agent quantity
Appendix I
I1 Scope
I2 Characteristics and uses
I2.1 General
I2.2 Use of HFC 23 systems
I3 Safety of personnel
I4 System design
I4.1 Fill density
I4.2 Superpressurization
I4.3 Extinguishing agent quantity
Appendix J
J1 Scope
J2 Characteristics and uses
J2.1 General
J2.2 Use of HFC 236fa systems
J3 Safety of personnel
J4 System design
J4.1 Fill density
J4.2 Superpressurization
J4.3 Extinguishing agent quantity
Appendix K
K1 Scope
K2 Characteristics and uses
K2.1 General
K2.2 Use of IG-01 systems
K3 Safety of personnel
K4 System design
K4.1 Fill density
K4.2 Superpressurization
K4.3 Extinguishing agent quantity
Appendix L
L1 Scope
L2 Characteristics and uses
L2.1 General
L2.2 Use of IG-100 systems
L3 Safety of personnel
L4 System design
L4.1 Fill density
L4.2 Superpressurization
L4.3 Extinguishing agent quantity
Appendix M
M1 Scope
M2 Characteristics and uses
M2.1 General
M2.2 Use of IG-55 systems
M3 Safety of personnel
M4 System design
M4.1 Fill density
M4.2 Superpressurization
M4.3 Extinguishing agent quantity
Appendix N
N1 Scope
N2 Characteristics and uses
N2.1 General
N2.2 Use of IG-541 systems
N3 Safety of personnel
N4 System design
N4.1 Fill density
N4.2 Superpressurization
N4.3 Extinguishing agent quantity
Appendix O
O1 Scope
O2 Safety
O3 Hazards to personnel—Potential hazards
O3.1 Agent itself
O3.2 Noise
O3.3 Turbulence
O3.4 Low temperature
O4 Halocarbon agents
O4.1 Toxicity of halocarbons (liquefied gases)
O4.2 PBPK model
O4.3 Safe exposure guidelines for halocarbons
O5 Inert gas (non-liquefied gas)
O5.1 Physiological effects of inert gas agents
O5.2 Safe exposure guidelines for inert gas agents
Amendment control sheet
AS 4214:2018
Amendment No. 1 (2019)
Correction
Cited references in this standard
[Current]
Methods for fire tests on building materials, components and structures, Part 1: Combustibility test for materials (ISO 1182:2020, NEQ)
[Current]
Fire detection, warning, control and intercom systems - System design, installation and commissioning, Part 1: Fire
[Current]
Fire detection, warning, control and intercom systems — System design, installation and commissioning, Part 5: Special hazards systems
[Superseded]
Portable fire extinguishers - Classification, rating and performance testing
Content history
[Current]
[Superseded]
[Superseded]
[Superseded]
[Superseded]
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