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AS 2118.5-2008


Automatic fire sprinkler systems, Part 5: Home fire sprinkler systems

Specifies requirements for the design, installation, commissioning and maintenance of automatic fire sprinkler systems for one and two family homes.
Published: 23/05/2008
Pages: 70
Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Objective
1.3 Competent persons
1.3.1 General
1.3.2 Installation
1.4 Normative references
1.5 Definitions
1.6 Abbreviations
2 Installation
2.1 General
2.2 Extent of sprinkler protection
2.3 Smoke alarms
2.4 System type
2.5 Installation configurations
2.5.1 General
2.5.2 Combined systems
2.5.3 Independent systems
2.5.4 Pipe routing
2.5.5 Electrical safety precautions and earthing
3 Water supplies
3.1 General
3.2 Supply
3.3 Source of supply
3.3.1 Combined system
3.3.2 Independent systems
3.4 Supply availability—Network utility operator drinking water supply
3.5 Supply flow, pressure and duration
3.6 Pumpsets
3.6.1 General
3.6.2 Pump duty
3.6.3 Pumpset starting—Pressure switches
3.6.4 Power supply
3.6.5 Wiring
3.6.6 Valves
3.6.7 Pressure gauges
3.6.8 Maximum allowable working pressure
3.6.9 Marking
3.7 Tanks
3.7.1 General
3.7.2 Storage tanks—Atmospheric
3.7.3 Storage tanks—Pressure
4 Design and hydraulics
4.1 General
4.2 Design criteria
4.2.1 Design data
4.2.2 Number of sprinklers in operation
4.2.3 Design flow
4.3 Spacing of sprinklers
4.3.1 General
4.3.2 Obstructions to water distribution Beams and walls Columns and trusses Suspended or floor-mounted vertical obstructions
4.3.3 Impact of response time Sloped ceilings Heat sources General Temperature classifications Positioning of sprinklers under skylights Airconditioning diffusers
4.4 Hydraulic calculations
4.4.1 General
4.4.2 Minimum sprinkler pressure
4.4.3 Hydraulic calculation General Combined systems—Gridded layout Independent systems—Looped layout Independent systems—Branched layout
5 Components
5.1 General
5.2 Pipe and pipe fittings
5.2.1 General Combined piping systems Independent piping systems Pipe protection
5.2.2 Protection against fire
5.2.3 Pipe identification Combined systems Independent systems
5.2.4 Pipe supports
5.2.5 Pipe in-line devices
5.3 Valves
5.3.1 General
5.3.2 Backflow protection
5.3.3 Domestic service isolating valve (independent systems)
5.3.4 Remote test valve and test assembly
5.4 Water meter assembly
5.4.1 General
5.4.2 Meter valve tag(s)
5.5 Sprinklers
5.5.1 General
5.5.2 Spare sprinklers and spanner
5.5.3 Painting of sprinklers
6 Commissioning
Appendix A
A1 Scope
A2 Unprotected areas
A3 Roof spaces
A4 Alarms
A5 Water supplies
A6 Priority demand valve
A7 Pressure gauge
Appendix B
Appendix C
C1 General
C1.1 Home fire sprinkler systems are designed to:
C1.2 Home fire sprinkler systems are not designed to:
C2 Sprinkler system components
C2.1 Smoke alarms
C2.2 Water supply
C2.3 Water supply shut-off valve
C2.4 Domestic water-isolating valve
C2.5 Sprinkler system pressure gauge
C2.6 Sprinkler system pipework
C2.7 ‘Home’ sprinkler
C2.8 Areas not covered by the sprinkler system
C3 Modifications to plumbing system after installation
C4 Recommended day-to-day practices
C5 In the event of a fire
C6 Sprinkler operation under fire conditions
C7 Water supply pressure and flows
Appendix D
D1 General
D2 Monthly checks
D3 Annual checks
Appendix E
E1 General
E2 Static pressure test
E3 Residual pressure test
Appendix F
Appendix G
G1 General
G2 Test samples
G3 Test fire source
G4 Test enclosure
G5 Test procedure
Appendix H
Cited references in this standard
AS 5200.486
Part 486: Sprinklers for home applications (WATERMARK)
AS 4118
Fire sprinkler systems (series)
Automatic fire sprinkler systems, Part 1: General systems
Pressure vessels
Automatic fire detection and alarm systems — System design, installationand commissioning
Content history
DR 06464
AS 2118.5-2008 REC:2020
Inclusive of GST
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