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AS 3772:2020


Pre-engineered fire protection systems for cooking equipment

Sets out requirements for the design, installation commissioning and maintenance of pre-engineered fire protection systems for the protection of unenclosed cooking appliances that produce grease-laden vapours and which may have an open surface of cooking oil or fat. Applies to the grease removal devices, hood exhaust plenums, exhaust systems, ducts and filters. Protection of enclosed ovens, water boilers and similar appliances are excluded. KEYWORDS: fire protection cooking pre-engineered
Published: 18/12/2020
Inclusive of GST
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Table of contents
Cited references
Content history
Table of contents
About this publication
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Wet chemical systems
1.5 Competencies
2 Safety requirements
2.1 Emergency procedures
2.2 Signs and warning notices
2.2.1 General
2.2.2 Manual release instruction notice
2.3 Fire extinguishers
2.3.1 General
2.3.2 Operator training
2.4 Fire blankets
3 Documentation
3.1 General
3.2 Identification
3.3 Design
3.4 Plans
3.5 Commissioning
3.6 System owner’s manual
4 System design
4.1 General
4.2 Approval of components
4.3 Moveable cooking appliances
4.4 Design and calculations
4.4.1 General
4.4.2 Preliminary data
4.5 Extinguishing agent quantity
4.6 Fuel Shut-off
4.6.1 General
4.6.2 Gas shut-off controls
4.7 Components
4.8 Water supplies
4.8.1 General
4.8.2 Water valve supervision
5 Supply
5.1 Extinguishing agent
5.2 Storage containers
5.2.1 General
5.2.2 Location and arrangement
5.2.3 Labelling
6 Distribution systems
6.1 General
6.2 Pipework
6.2.1 General
6.2.2 Materials
6.2.3 Penetrations
6.3 Nozzles
6.3.1 General
6.3.2 Positioning and location
6.3.3 Materials
6.3.4 Installation
6.3.5 Marking
6.3.6 Protective caps and plugs
7 Detection, actuation and controls
7.1 General
7.2 Electrical wiring and equipment
7.3 Detection
7.4 System actuation
7.4.1 General
7.4.2 Manual actuation
7.4.3 Manual actuators
7.5 Control and indicating equipment
7.5.1 General
7.5.2 System monitoring
7.5.3 Standby power source capacity
8 Commissioning and acceptance
8.1 General
8.2 Preliminary review
8.3 System function and operation test
8.4 Discharge test
8.5 Placing in service
8.6 Certificate of completion and documentation
9 Maintenance
9.1 General
9.2 Maintenance personnel
9.3 Maintenance records
9.3.1 General
9.3.2 Condition report
9.4 Procedures and precautions
9.4.1 General
9.4.2 Recharge of extinguishing agent
9.4.3 Defects
9.5 Design survey
9.6 Inspection schedules
Appendix A
A.1 General
A.2 Design
A.3 System flushing
A.4 Health and safety
A.4.1 General
A.4.2 Precautions
Appendix B
B.1 Introduction
B.2 Personal competencies
B.3 Competence of organizations
B.4 Regulatory requirements
Appendix C
Appendix D
Appendix E
Cited references in this standard
Fire blankets
Steel cylinders for compressed gases — Welded three-piece construction with longitudinal joint — 11 kg to 150 kg
Planning for emergencies in facilities
Electrical installations (known as the Australian/New Zealand Wiring Rules)
Electrical installations — Classification of the fire and mechanical performance of wiring system elements
Content history
DR AS 3772:2020