Standard
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AS 6183-2011
[Pending Revision]Fire protection equipment — Carbon dioxide extinguishing systems for use on premises — Design and installation (ISO 6183:2009, MOD)
Sets out requirements and recommendations for the design, installation, testing and safety of carbon dioxide firefighting systems.
Published: 01/04/2011
Pages: 67
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
3.21 Occupied and unoccupiable areas
4 Use and limitations
4.1 General
4.2 Uses for carbon dioxide systems
4.3 Limitations for carbon dioxide systems
4.4 Temperature limitations
5 Safety
5.1 Hazard to personnel
5.2 Safety precautions
5.2.1 Normally occupied and normally unoccupied areas
5.2.2 Warning notices for occupiable areas
5.2.3 Warning notices for unoccupiable areas
5.3 Electrical hazards
5.4 Electrical earthing
5.5 Electrostatic discharge
6 System design
6.1 General
6.1.1 Specifications
6.1.2 Working documents
6.2 Carbon dioxide supply
6.2.1 Quality
6.2.2 Quantity
6.2.2.1
6.2.2.2
6.2.2.3
6.2.2.4
6.2.2.5
6.2.2.6
6.2.2.7
6.2.2.8
6.2.3 Container arrangement
6.2.3.1 General
6.2.3.1.1
6.2.3.1.2
6.2.3.1.3
6.2.3.1.4
6.2.3.2 Arrangement for high-pressure containers
6.2.4 Storage containers
6.2.4.1 General
6.2.4.2 Marking
6.2.4.3 High-pressure containers
6.2.4.4 Low-pressure containers
6.2.4.4.1
6.2.4.4.2
6.2.4.4.3
6.2.4.4.4
6.2.4.4.5
6.2.4.4.6
6.2.4.4.7
6.2.4.4.8
6.2.4.4.9
6.2.4.5 Operating temperatures
6.3 Distribution
6.3.1 General
6.3.1.1
6.3.1.2
6.3.1.3
6.3.1.4
6.3.1.5
6.3.1.6
6.3.1.7
6.3.1.8
6.3.2 Piping
6.3.2.1
6.3.2.2
6.3.2.3
6.3.2.4
6.3.2.5
6.3.3 Fittings
6.3.3.1
6.3.3.2
6.3.3.3
6.3.3.4
6.3.3.5
6.3.4 Pipe and valve supports
6.3.5 Valves
6.3.5.1
6.3.5.2
6.3.5.3
6.3.5.4
6.3.6 Nozzles
6.3.6.1 Nozzle choice and location
6.3.6.1.1
6.3.6.1.2
6.3.6.1.3
6.3.6.1.4
6.3.6.1.5
6.3.6.1.6
6.3.6.1.7
6.3.6.2 Nozzles in ceiling tiles
6.3.6.3 Marking
6.4 Enclosures (total flooding)
6.4.1 Structural strength
6.4.2 Loss through openings
6.4.2.1
6.4.2.2
6.4.2.3
6.4.2.4
6.4.2.5
6.4.3 Ventilation systems
6.5 Detection, actuation and control systems
6.5.1 General
6.5.2 Shut-down of plant and equipment
6.5.3 Automatic detection
6.5.4 Operating devices
6.5.4.1 General
6.5.4.2 Automatic operation
6.5.4.3 Manual operation
6.5.4.4 Pilot operation
6.5.4.5 Emergency manual operation
6.5.5 Control equipment
6.5.5.1 Electric control equipment
6.5.5.2 Pneumatic control equipment
6.5.5.3 Mechanical control equipment
6.5.6 Operating alarms and indicators
6.5.6.1
6.5.6.2
6.5.6.3
7 Carbon dioxide flow and concentration calculations
7.1 General
7.2 System flow calculations
7.2.1 General
7.2.2 Friction losses
7.2.3 Pressure drop
7.2.4 Valves and fittings
7.2.5 As-installed calculations
7.2.6 Specific requirements
7.2.6.1
7.2.6.2
7.3 Carbon dioxide concentration requirements
7.3.1 Flame extinguishment
7.3.2 Determination of the design concentration
7.3.3 Inerting
7.4 Total flooding quantity
7.4.1 General
7.4.2 Design quantity
7.4.3 KB factor
7.4.3.1 General
7.4.3.2 Effect of ventilation systems that cannot be shut down
7.4.3.3 Effect of openings (see 7.4.2)
7.4.3.4 Effect of enclosure temperature
7.4.3.5 Simultaneous flooding of interconnected volumes
7.5 Design of local application systems
7.5.1 General
7.5.2 Carbon dioxide requirements
7.5.3 Rate by area method
7.5.3.1 General
7.5.3.2 Nozzle discharge rates
7.5.3.3 Area per nozzle
7.5.3.4 Location and number of nozzles
7.5.4 Rate by volume method
7.5.4.1 General
7.5.4.2 Assumed enclosure
7.5.4.3 System discharge rate
7.5.4.4 Location and number of nozzles
7.6 Duration of protection
7.6.1
7.6.2
7.7 System performance
7.7.1 Discharge time
7.7.2 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 mechanical components
8.2.3.1
8.2.3.2
8.2.3.3
8.2.3.4
8.2.3.5
8.2.3.6
8.2.3.7
8.2.3.8
8.2.3.9
8.2.3.10
8.2.3.11
8.2.3.12
8.2.3.13
8.2.3.14
8.2.3.15
8.2.4 Review of enclosure integrity
8.2.5 Review of electrical components
8.2.5.1
8.2.5.2
8.2.5.3
8.2.5.4
8.2.5.5
8.2.5.6
8.2.5.7
8.2.5.8
8.2.5.9
8.2.5.10
8.2.5.11
8.2.5.12
8.2.6 Preliminary functional tests
8.2.6.1
8.2.6.2
8.2.6.3
8.2.6.4
8.2.6.5
8.2.6.6
8.2.7 System functional operational test
8.2.7.1
8.2.7.2
8.2.7.3
8.2.7.4
8.2.7.5
8.2.7.6
8.2.8 Remote monitoring operations (if applicable)
8.2.8.1
8.2.8.2
8.2.9 Control panel primary power source
8.2.9.1
8.2.9.2
8.2.10 Completion of functional tests
8.3 Completion certificate and documentation
9 Inspection, maintenance, testing and training
9.1 General
9.2 Inspection
9.2.1 General
9.2.1.1
9.2.1.2
9.2.1.3
9.2.1.4
9.2.2 Container
9.2.3 Hose
9.2.4 Enclosures
9.2.4.1
9.2.4.2
9.2.4.3
9.3 Maintenance
9.3.1 General
9.3.2 User's programme of inspection
9.3.3 Service schedule
9.4 Training
Annex A
A.1 General
A.2 Working documents
A.3 Specific details
A.3.1 Pre-engineered systems
A.3.2 Engineered systems
Annex B
B.1
B.2
B.3
B.4
B.5
B.6
B.7
Annex C
Annex D
D.1 General
D.2 Free efflux
D.3 Hazards to personnel
Annex E
E.1 Rate by volume method — Example 1
E.1.1 Hazard
E.1.2 Actual dimensions
E.1.3 Assumed volume
E.1.4 Percent perimeter enclosed
E.1.5 Discharge rate for 71 % enclosure
E.1.6 Discharge rate
E.1.7 Carbon dioxide requirement
E.2 Rate by volume method — Example 2
E.2.1 Hazard
E.2.2 Actual dimensions
E.2.3 Assumed volume
E.2.4 Percent perimeter enclosed
E.2.5 Discharge rate for 0 % enclosure
E.2.6 Discharge rate
E.2.7 Carbon dioxide requirement
E.3 Rate by area method
E.3.1 Hazard
E.3.2 Surface dimensions
E.3.3 Nozzle location
E.3.4 Procedure
E.3.5 Total flow rate
E.3.6 Carbon dioxide requirement
E.4 Total flooding system
E.4.1 Storeroom
E.4.2 Actual dimensions
E.4.3 Assumed volume
E.4.4 Additional volume for ventilation
E.4.5 Deductible volume
E.4.6 Total surface area of all sides
E.4.7 Total surface area of all openings
E.4.8 Area
E.4.9 Carbon dioxide design quantity
Appendix ZZ
ZZ1 Introduction
ZZ2 Variations
Cited references in this standard
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