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  • AS 2118.1-1995

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    Automatic fire sprinkler systems - Standard

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  23-06-2021

    Language(s):  English

    Published date:  01-01-1995

    Publisher:  Standards Australia

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    Table of Contents - (Show below) - (Hide below)

    1 - AS 2118.1-1995 AUTOMATIC FIRE SPRINKLER SYSTEMS - STANDARD
    4 - PREFACE
    5 - CONTENTS
    8 - SECTION 1 SCOPE, DEFINITIONS, CLASSIFICATION AND DESIGN DATA
    8 - 1.1 SCOPE
    8 - 1.2 NEW DESIGNS AND INNOVATIONS
    8 - 1.3 REFERENCED DOCUMENTS
    8 - 1.4 DEFINITIONS
    8 - 1.4.1 Alarm valve
    8 - 1.4.2 Approved
    8 - 1.4.3 Assumed area of operation
    8 - 1.4.4 Regulatory authority
    8 - 1.4.5 Authorized inspector
    8 - 1.4.6 Building owner
    8 - 1.4.7 Fire and draught stop
    9 - 1.4.8 Inferior wall
    9 - 1.4.9 Net positive suction head (NPSH) (of a pump)
    9 - 1.4.10 Open joists and exposed common rafters
    9 - 1.4.11 Sprinklered area
    9 - 1.4.12 Sprinklered building
    9 - 1.4.13 Post or box pallet
    10 - SECTION 2 CLASSES OF SPRINKLER SYSTEMS AND DESIGN DATA
    10 - 2.1 CLASSES OF SYSTEMS
    10 - 2.2 CLASSIFICATION OF OCCUPANCIES
    10 - 2.2.1 General
    10 - 2.2.2 Light hazard occupanies
    10 - 2.2.3 Ordinary hazard occupancies
    13 - 2.2.4 High hazard occupancies
    15 - 2.3 TYPES OF SYSTEMS
    15 - 2.3.1 Standard sprinkler systems
    19 - 2.3.2 Special sprinkler systems
    21 - 2.4 DESIGN DATA
    22 - SECTION 3 INSTALLATION
    22 - 3.1 SPRINKLERED BUILDINGS
    22 - 3.1.1 Extent of sprinkler protection
    22 - 3.1.2 Protection against exposure hazards
    23 - 3.1.3 Permitted exceptions
    23 - 3.2 TRANSMISSION OF ALARM SIGNAL TO FIRE BRIGADE
    24 - 3.3 LOCAL ALARM
    24 - 3.4 SYSTEM MONITORING
    24 - 3.4.1 General
    24 - 3.4.2 Monitoring devices
    24 - 3.4.3 Systems to be monitored
    24 - 3.4.4 Components to be monitored
    24 - 3.4.5 Installation
    25 - SECTION 4 WATER SUPPLIES
    25 - 4.1 GENERAL
    25 - 4.2 ACCEPTABLE SOURCES OF SUPPLY
    25 - 4.3 WATER SUPPLY GRADES
    25 - 4.3.1 General
    25 - 4.3.2 Grade3 water supplies
    26 - 4.3.3 Grade2 water supplies
    27 - 4.3.4 Grade1 water supplies
    37 - 4.4 CONNECTIONS TO OTHER SERVICES
    37 - 4.4.1 General
    38 - 4.4.2 Fire hose reel connections
    38 - 4.4.3 Fire brigade booster connection
    38 - 4.5 PRESSURE AND FLOW REQUIREMENTS
    39 - 4.6 PRESSURE CONSIDERATIONS
    39 - 4.7 MINIMUM CAPACITY OF STORED WATER SUPPLIES
    39 - 4.8 PUMP SUCTION TANKS
    39 - 4.8.1 General
    39 - 4.8.2 Effective capacity
    41 - 4.8.3 Vortex inhibitor
    42 - 4.8.4 Supply from inexhaustible source
    45 - 4.9 PRIVATE WATER SUPPLIES
    45 - 4.9.1 General
    45 - 4.9.2 Elevated private reservoirs
    45 - 4.9.3 Gravity tanks
    45 - 4.10 TOWN MAINS
    45 - 4.10.1 Direct supply from town mains
    46 - 4.10.2 Pump drawing from town mains
    46 - 4.11 PUMP INSTALLATIONS
    46 - 4.11.1 General requirements
    47 - 4.11.2 Pump operating conditions
    47 - 4.11.3 Suction piping
    47 - 4.11.4 Performance requirements for pumps
    47 - 4.12 PUMPSETS
    51 - 4.13 PRESSURE TANKS
    51 - 4.13.1 General
    51 - 4.13.2 Special requirements
    53 - 4.14 PROVING OF WATER SUPPLIES
    55 - SECTION 5 SPACING AND LOCATION OF SPRINKLERS
    55 - 5.1 STANDARD SPACING
    55 - 5.2 STAGGERED SPACING
    55 - 5.3 MINIMUM DISTANCE BETWEEN SPRINKLERS
    55 - 5.4 LOCATION OF SPRINKLERS (OTHER THAN SIDEWALL SPRINKLERS)
    55 - 5.4.1 General
    55 - 5.4.2 Walls and partitions
    57 - 5.4.3 Ceilings, roofs and underside of stairs
    57 - 5.4.4 Beams and joists
    57 - 5.4.5 Columns
    58 - 5.4.6 Girders
    58 - 5.4.7 Roof trusses
    58 - 5.4.8 Clear space below sprinklers
    60 - 5.5 SPACING AND LOCATION OF SIDEWALL SPRINKLERS
    60 - 5.5.1 General
    60 - 5.5.2 Maximum spacing of sidewall sprinklers
    60 - 5.5.3 Distance between rows of sprinklers
    61 - 5.6 LOCATIONS OR CONDITIONS INVOLVING SPECIAL CONSIDERATION (supplementaryprotection)
    61 - 5.6.1 Roof spaces
    61 - 5.6.2 Ceiling and floor spaces
    61 - 5.6.3 Ceiling materials
    61 - 5.6.4 Spaces under ground floors
    62 - 5.6.5 Machinery pits and production lines
    62 - 5.6.6 Hoists, lift shafts, building services shafts and enclosed chutes
    62 - 5.6.7 Elevators, rope or strap races, exhaust ducts, gearing boxes and dust receivers
    63 - 5.6.8 Corn, rice, provender and oil mills
    63 - 5.6.9 Bins and silos
    63 - 5.6.10 Escalators
    63 - 5.6.11 Canopies
    64 - 5.6.12 Roof overhang
    64 - 5.6.13 Exterior docks and platforms
    64 - 5.6.14 Covered balconies
    64 - 5.6.15 Enclosed paint lines, drying ovens, drying enclosures
    64 - 5.6.16 Spray booths
    64 - 5.6.17 Oil and flammable liquid hazards
    64 - 5.6.18 Commercial type cooking equipment and associated ventilation systems
    65 - 5.6.19 Air-handling plant
    65 - 5.6.20 Computer and other electronic equipment areas
    65 - 5.7 OBSTRUCTIONS BELOW SPRINKLERS
    65 - 5.7.1 General
    65 - 5.7.2 Overhead platform
    65 - 5.7.3 Ducts and bulkheads
    65 - 5.7.4 Suspended ceilings
    65 - 5.7.5 Hoods over papermaking machines
    65 - 5.7.6 Storage racks
    66 - 5.7.7 Storage fixtures of solid and slatted shelved construction
    66 - 5.8 FILM AND TELEVISION PRODUCTION STUDIOS
    66 - 5.8.1 Overhead platforms and walkways
    66 - 5.8.2 Concealed spaces and cavities
    66 - 5.9 THEATRES AND MUSIC HALLS (protection on the stage side of the proscenium wall)
    66 - 5.10 COLD STORAGE WAREHOUSE
    66 - 5.10.1 General
    67 - 5.10.2 Piping within the cold chamber
    68 - SECTION 6 SPRINKLERS, SPRAYERS AND MULTIPLE CONTROLS
    68 - 6.1 GENERAL
    68 - 6.2 TYPES OF SPRINKLERS, SPRAYERS AND MULTIPLE CONTROLS
    68 - 6.2.1 Sprinklers
    69 - 6.2.2 Sprayers
    69 - 6.2.3 Multiple controls
    69 - 6.2.4 Residential sprinkler
    69 - 6.2.5 Extended coverage sprinkler
    69 - 6.2.6 Large drop sprinkler
    69 - 6.2.7 Early suppression fast response
    69 - 6.3 SPRINKLER K FACTORS, ORIFICE AND THREAD SIZES
    70 - 6.4 APPLICATION OF SPRINKLER TYPES
    70 - 6.5 TEMPERATURE RATINGS
    70 - 6.6 COLOUR CODING
    70 - 6.7 STOCK OF REPLACEMENT SPRINKLERS
    71 - 6.8 ANTI-CORROSION TREATMENT OF SPRINKLERS
    71 - 6.9 SPRINKLER GUARDS
    71 - 6.10 ESCUTCHEON PLATE ASSEMBLIES
    71 - 6.11 PROTECTION AGAINST FROST
    72 - SECTION 7 PIPING
    72 - 7.1 PIPE AND PIPE FITTING
    72 - 7.2 HYDRAULIC TEST PRESSURE
    72 - 7.3 PIPING IN UNSPRINKLERED BUILDINGS
    72 - 7.4 HAZARDOUS PROCESSES AND EXPLOSION HAZARD SPECIAL PRECAUTIONS CONCERNING PIPING AND VALVES
    72 - 7.5 SLOPE OF PIPES FOR DRAINAGE
    72 - 7.6 LOW LEVEL DRAINAGE
    73 - 7.7 PIPE SIZES
    73 - 7.8 ORIFICE PLATES
    73 - 7.9 SUPPORT OF SPRINKLER PIPING
    74 - SECTION 8 VALVES AND ANCILLARY EQUIPMENT
    74 - 8.1 CONTROL ASSEMBLIES
    74 - 8.2 STOP VALVES
    74 - 8.2.1 General
    74 - 8.2.2 Main stop valves
    74 - 8.2.3 Stop valves controlling water supplies
    74 - 8.2.4 Subsidiary stop valves
    75 - 8.3 BLOCK PLAN
    75 - 8.4 LOCATION PLATE
    76 - 8.5 EMERGENCY INSTRUCTIONS
    76 - 8.6 NON-RETURN (BACK PRESSURE) VALVES
    76 - 8.7 ALARM VALVES
    76 - 8.7.1 Alarm valves (wet)
    76 - 8.7.2 Alarm valves (dry)
    77 - 8.7.3 Composite alarm valves
    77 - 8.7.4 Identification of alarm valves and alarm gongs
    77 - 8.7.5 Accelerators or exhaustersf or alarm valves (dry system)
    77 - 8.8 PRESSURE-REDUCING VALVES
    77 - 8.9 DELUGE AND PRE-ACTION VALVES
    77 - 8.9.1 Deluge valves
    77 - 8.9.2 Pre-action valves
    77 - 8.10 ALARM DEVICES
    77 - 8.10.1 General
    77 - 8.10.2 Prevention of false alarms
    78 - 8.10.3 Local water motor alarms
    78 - 8.10.4 Direct bridge alarms
    78 - 8.10.5 Pressure switches
    79 - 8.10.6 Testing of alarm devices
    79 - 8.11 REMOTE TEST VALVES
    80 - 8.12 PRESSURE GAUGES
    81 - SECTION 9 LIGHT HAZARD CLASS SYSTEMS
    81 - 9.1 DESIGN DATA
    81 - 9.2 WATER SUPPLIES
    81 - 9.2.1 Pressure and flow requirements
    81 - 9.2.2 Minimum capacity of water supplies
    82 - 9.2.3 Pumps
    82 - 9.2.4 Proving of water supplies
    82 - 9.3 SPACING OF SPRINKLERS
    82 - 9.3.1 Maximum area coverage per sprinkler
    83 - 9.3.2 Maximum distance between sprinklers on range pipes and between adjacent rows of sprinklers
    83 - 9.3.3 Maximum distance from walls and partitions
    83 - 9.4 SYSTEM COMPONENTS
    83 - 9.4.1 Sprinklers
    83 - 9.4.2 Piping
    85 - 9.5 SYSTEM DRAINAGE
    86 - SECTION 10 ORDINARY HAZARD CLASS SYSTEMS
    86 - 10.1 DESIGN DATA
    86 - 10.2 WATER SUPPLIES
    86 - 10.2.1 Pressure and flow requirements
    86 - 10.2.2 Minimum capacity of water supplies
    89 - 10.2.3 Pumps
    89 - 10.2.4 Proving of water supplies
    89 - 10.3 SPACING OF SPRINKLERS
    89 - 10.3.1 Maximum area coverage per sprinkler
    89 - 10.3.2 Maximum distance between sprinklers on range pipes and between adjacent rows of sprinklers
    89 - 10.3.3 Maximum distance from walls and partitions
    89 - 10.4 SYSTEM COMPONENTS
    89 - 10.4.1 Sprinklers
    89 - 10.4.2 Piping
    94 - 10.5 SYSTEM DRAINAGE
    95 - SECTION 11 HIGH HAZARD CLASS SYSTEMS
    95 - 11.1 DESIGN DATA
    95 - 11.1.1 General
    95 - 11.1.2 Process risks
    95 - 11.1.3 High piled storage risks
    100 - 11.1.4 Type of system
    105 - 11.2 WATER SUPPLIES
    105 - 11.2.1 Pressure and flow requirements
    106 - 11.2.2 Minimum capacity of water supplies
    108 - 11.2.3 Pumps
    108 - 11.2.4 Proving of water supplies
    108 - 11.3 SPACING OF SPRINKLERS
    108 - 11.3.1 Maximum distance between sprinklers
    108 - 11.3.2 Maximum distance between sprinklers on range pipes and between adjacent rows of sprinklers
    109 - 11.3.3 Maximum distance from walls and partitions
    109 - 11.4 SYSTEM COMPONENTS
    109 - 11.4.1 Sprinklers
    109 - 11.4.2 Piping
    111 - 11.5 SYSTEM DRAINAGE
    119 - SECTION 12 FULL HYDRAULIC CALCULATION OF SPRINKLER SYSTEMS
    119 - 12.1 GENERAL
    119 - 12.2 DESIGN REQUIREMENTS FOR DENSITY OF DISCHARGE
    119 - Method 1
    119 - Method 2
    119 - 12.3 ASSUMED AREA OF OPERATION
    119 - 12.4 SPRINKLERS IN OPERATION
    120 - 12.5 POSITION OF ASSUMED AREA OF OPERATION
    120 - 12.5.1 Hydraulically most unfavourable area of operation
    121 - 12.5.2 Hydraulically most favourable area of operation
    121 - 12.6 SHAPE OF ASSUMED AREA OF OPERATION
    121 - 12.6.1 Hydraulically most unfavourable area of operation
    122 - 12.6.2 Hydraulically most favourable area of operation
    122 - 12.7 WATER SUPPLIES
    122 - 12.8 PUMPSETS
    122 - 12.8.1 General
    122 - 12.8.2 Maximum flow rate
    122 - 12.9 CALCULATION OF PRESSURE LOSS IN PIPES
    123 - 12.10 PRESSURE LOSSES
    123 - 12.10.1 Fitting and valves
    125 - 12.10.2 Dry pendent (or upright) sprinklers
    125 - 12.11 ACCURACY OF CALCULATIONS
    125 - 12.12 MINIMUM SPRINKLER DISCHARGE PRESSURE
    125 - 12.13 MINIMUM PIPE SIZES
    126 - 12.14 VELOCITY LIMITATION
    126 - 12.15 VELOCITY PRESSURE
    126 - 12.16 IDENTIFICATION OF FULLY HYDRAULICALLY CALCULATED SYSTEMS
    140 - APPENDIX A - REFERENCED DOCUMENTS
    142 - APPENDIX B - WIRING SYSTEMS RATING
    144 - APPENDIX C - ORIFICE PLATES
    147 - APPENDIX D - PIPING INTERPRETATIONS
    150 - APPENDIX E - COMPLETION CERTIFICATE
    153 - INDEX
    157 - RECORD OF AMENDMENTS

    Abstract - (Show below) - (Hide below)

    Specifies the requirements for the design, installation and commissioning of standard fire sprinkler systems in buildings.

    Scope - (Show below) - (Hide below)

    This Standard specifies requirements for the installation of standard sprinkler systems in buildings.

    General Product Information - (Show below) - (Hide below)

    Committee FP-004
    Document Type Standard
    Product Note See also AS 2118-1982
    Publisher Standards Australia
    Status Superseded
    Superseded By
    Supersedes

    History - (Show below) - (Hide below)

    Obsolescent December 1999Draft Amendment 1 see DR 98006 CP. Under Revision see DR 98555 First published as part of AS CA16-1939 (endorsement of Seventh Edition of FOC Rules).Redated 1942.Second edition 1948 (endorsement of Eighth Edition of FOC Rules).Third edition 1962 (endorsement of Ninth Edition of FOC Rules).Fourth edition 1971 (based on Twenty ninth Edition of FOC Rules).Revised and redesignated in part as AS 2118-1978.Second edition 1982.Revised and redesignated in part as AS 2118.1-1995. First published as part of AS CA16-1939 (endorsement of Seventh Edition of FOC Rules). Redated 1942. Second edition 1948 (endorsement of Eighth Edition of FOC Rules). Third edition 1962 (endorsement of Ninth Edition of FOC Rules). Fourth edition 1971 (based on Twenty ninth Edition of FOC Rules). Revised and redesignated in part as AS 2118-1978. Second edition 1982. Revised and redesignated in part as AS 2118.1-1995.

    Standards Referenced By This Book - (Show below) - (Hide below)

    AS 1735.6-1986 Lifts, escalators and moving walks (known as the SAA Lift Code) - Moving walks
    AS 1735.3-1995 Lifts, escalators and moving walks Passenger and goods lifts - Electrohydraulic
    AS 1432-1996 Copper tubes for plumbing, gasfitting and drainage applications
    AS 2201.2-1992 Intruder alarm systems - Central stations
    AS 1735.2-1997 Lifts, escalators and moving walks Passenger and goods lifts - Electric
    AS 1668.1-1991 The use of mechanical ventilation and air-conditioning in buildings - Fire and smoke control
    AS 1735.10-1986 Lifts, escalators and moving walks (known as the SAA Lift Code) - Tests
    AS 4118.1.6-1995 Fire sprinkler systems Components - Stop valves and non-return valves (Reconfirmed 2013)
    AS 4118.1.3-1995 Fire sprinkler systems Components - Water motor alarms (Reconfirmed 2013)
    AS 3000-1986 Electrical installations - Buildings, structures and premises (known as the SAA Wiring Rules) (incorporating Amdt 1)
    AS 1735.7-1998 Lifts, escalators and moving walks Stairway lifts
    AS 4118.1.1-1996 Fire sprinkler systems Components - Sprinklers and sprayers
    AS 2419.1-1994 Fire hydrant installations - System design, installation and commissioning
    AS 2118.9-1995 Automatic fire sprinkler systems Piping support and installation
    AS 4118.1.7-1996 Fire sprinkler systems Components - Alarm valves (dry)
    AS 4118.1.2-1996 Fire sprinkler systems Components - Alarm valves (wet) (Reconfirmed 2013)
    AS 3013-1990 Electrical installations - Wiring systems for specific applications
    AS 1603.4-1987 Automatic fire detection and alarm systems - Control and indicating equipment
    AS 1735.4-1986 SAA Lift Code Service lifts - Power-operated
    AS 3500.0-1990 National Plumbing and Drainage Code - Glossary of terms
    AS 1735.8-1986 Lifts, escalators and moving walks (known as the SAA Lift Code) Inclined lifts
    AS 1735.1-1999 Lifts, escalators and moving walks - General requirements
    AS 4118.1.5-1996 Fire sprinkler systems Components - Deluge and pre-action valves
    AS 4118.1.8-1999 Fire sprinkler systems Components - Pressure-reducing valves
    AS 2941-1995 Fixed fire protection installations - Pumpset systems
    AS 1670-1986 Automatic fire detection and alarm systems - System design, installation, and commissioning
    AS 1074-1989 Steel tubes and tubulars for ordinary service (Reconfirmed 2018)
    AS 1851.3-1985 Maintenance of fire protection equipment - Automatic fire sprinkler systems
    AS 2118.2-1995 Automatic fire sprinkler systems - Wall wetting sprinklers (Drenchers)
    AS 1349-1986 Bourdon tube pressure and vacuum gauges (Reconfirmed 2018)
    AS 2118.6-1995 Automatic fire sprinkler systems - Combined sprinkler and hydrant
    AS 4118.2.1-1995 Fire sprinkler systems Piping - General (Reconfirmed 2013)
    AS 1657-1992 Fixed platforms, walkways, stairways and ladders - Design, construction and installation
    AS 2484.2-1991 Fire - Glossary of terms Fire protection and firefighting equipment
    AS 1735.11-1986 SAA Lift Code Fire-rated landing doors
    AS 2484.1-1990 Fire - Glossary of terms Fire tests (Reconfirmed 2016)
    AS 1735.5-1996 Lifts, escalators and moving walks - Escalators
    AS 4118.1.4-1994 Fire sprinkler systems Components - Valve monitors

    Standards Referencing This Book - (Show below) - (Hide below)

    AS 2118.5-1995 Automatic fire sprinkler systems - Domestic
    AS 2118.3-1997 Automatic fire sprinkler systems - Deluge
    AS/NZS 3500.1.2:1998 National plumbing and drainage Water supply - Acceptable solutions
    AS 1894-1997 The storage and handling of non-flammable cryogenic and refrigerated liquids (Reconfirmed 2021)
    SAA HB20-1996 Graphical symbols for fire protection drawings (Reconfirmed 2018)
    HB 147-2000 Sprinklers Simplified
    AS 4118.1.5-1996 Fire sprinkler systems Components - Deluge and pre-action valves
    AS/NZS 1668.1:1998 The use of ventilation and airconditioning in buildings Fire and smoke control in multi-compartment buildings
    AS 4118.1.1-1996 Fire sprinkler systems Components - Sprinklers and sprayers
    AS 4118.1.7-1996 Fire sprinkler systems Components - Alarm valves (dry)
    AS 2118.9-1995 Automatic fire sprinkler systems Piping support and installation
    AS 2118.6-1995 Automatic fire sprinkler systems - Combined sprinkler and hydrant
    AS 4118.1.8-1999 Fire sprinkler systems Components - Pressure-reducing valves
    AS 2118.10-1995 Automatic fire sprinkler systems Approval documentation
    AS 2118.2-1995 Automatic fire sprinkler systems - Wall wetting sprinklers (Drenchers)
    AS 2118.8-1997 Automatic fire sprinkler systems Minor modifications
    AS 2118.6-2012 Automatic fire sprinkler systems Combined sprinkler and hydrant systems in multistorey buildings
    AS 2118.4-1995 Automatic fire sprinkler systems - Residential
    AS 1851.14-1996 Maintenance of fire protection equipment - Pumpset systems
    AS 3846-1998 The handling and transport of dangerous cargoes in port areas
    AS 1674.1-1997 Safety in welding and allied processes Fire precautions (Reconfirmed 2016)
    AS 4118.2.1-1995 Fire sprinkler systems Piping - General (Reconfirmed 2013)
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