Standard
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AS 2118.2:2021
[Current]Automatic fire sprinkler systems, Part 2: Wall wetting sprinkler systems
Specifies requirements for the design, installation and commissioning of wall wetting sprinkler systems where the exposure protection requirements of AS 2118.1 do not apply. The requirements are intended to provide automatic external and/or internal protection to the unprotected infills of a building.
Published: 25/06/2021
Pages: 21
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Introduction
1 Scope and general
1.1 Scope and application
1.1.1 Scope
1.1.2 Application
1.2 Normative references
1.3 Terms and definitions
1.4 Types of systems
1.4.1 Wet systems
1.4.2 Dry systems
2 System design
2.1 General
2.2 Wall wetting sprinklers
2.2.1 Sealed sprinklers
2.3 Design flow from wall wetting sprinklers
2.4 Wall wetting sprinklers in simultaneous operation
2.5 Sprinkler spacing and location
2.5.1 General
2.5.2 Vertical spacing
2.5.3 Horizontal spacing
2.5.4 Distance from the opening infill
2.5.4.1 Distance for vertical sidewall pendent or upright sprinklers
2.5.4.2 Distance when mullion extends more than 250 mm
2.6 Obstructions
2.7 Special window sprinklers
2.8 Detectors
2.9 Shielding
3 Water supplies
3.1 General
3.2 Simultaneous demand
3.3 Connections to water supplies
3.4 Demand exceeds supply
3.5 Fire brigade booster connection
3.6 Test and boost pressure signage (baseline data)
4 System installation and components piping
4.1 General
4.2 System arrangements
4.2.1 Wall wetting sprinkler systems piping and valves
4.2.1.1 Wet system
4.2.1.2 Dry systems
4.2.2 Proving of water supply
4.2.3 Signage
4.2.4 Block plan (baseline data)
4.2.4.1 General
4.2.4.2 Information to be included in the block plan
5 Commissioning
5.1 General
5.2 Pre-test preparation
5.2.1 General
5.2.2 Flushing
5.3 Hydrostatic test (baseline data)
5.4 Flow test (baseline data)
5.5 Recording of test results (baseline data)
5.6 Inspection, testing and maintenance
Appendix A
Bibliography
Cited references in this standard
[Pending Revision]
Automatic fire sprinkler systems, Part 6: Combined sprinkler and hydrant systems in multistorey buildings
[Current]
Fire hydrant installations, Part 1: System design, installation and commissioning
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