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AS 2419.1-1994 FIIRE HYDRANT INSTALLATIONS - SYSTEM DESIGN, INSTALLATION AND COMMISSIONING

AS 2419.1-1994 FIIRE HYDRANT INSTALLATIONS - SYSTEM DESIGN, INSTALLATION AND COMMISSIONING

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This Australian Standard was prepared by Committee FP/9, Fire Hydrant Installations.
It was approved on behalf of the Council of Standards Australia on 13 May 1994 and
published on 18 July 1994.

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The following interests are represented on Committee FP/9:
Australian Fire Authorities Council
Australian Chamber of Commerce and Industry
Australian Fire Protection Association
Australian Building Codes Board
Australian Valve Manufactures Association
Civil Aviation Authority
Commonwealth Fire Board
Department of Bush Fire Services, N.S.W
Department of Defence, Australia
Fire Protection Industry Association of Australia
Institution of Engineers, Australia
Melbourne Water
Water Board, Sydney — Illawarra — Blue Mountains
Western Australia Fire Brigades Board

Review of Australian Standards. To keep abreast of progress in industry, Australian Standards are subject
to periodic review and are kept up to date by the issue of amendments or new editions as necessary. It is
important therefore that Standards users ensure that they are in possession of the latest ed ition, and any
amendments thereto.
Full details of all Australian Standards and related publications will be found in the Standards Australia
Catalogue of Publications; this information is supplemented each month by the magazine ‘The Australian
Standard’, which subscribing members receive, and which gives details of new publications, new editions
and amendments, and of withdrawn Standards.
Suggestions for improvements to Australian Standards, addressed to the head office of Standards Australia,
are welcomed. Notification of any inaccuracy or ambiguity found in an Australian Standard should be made
without delay in order that the matter may be investigated and appropriate action taken.

AS 2419.1—1994

Australian Standard 

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Fire hydrant installations
Part 1: System design,
installation and commissioning

First published as AS 2419—1980.
Revised and redesignated AS 2419.1—1988.
Second edition 1991.
Third edition 1994.
Incorporating:
Amdt 1—1996

PUBLISHED BY STANDARDS AUSTRALIA
(STANDARDS ASSOCIATION OF AUSTRALIA)
1 THE CRESCENT, HOMEBUSH, NSW 2140
ISBN 0 7262 8994 9

AS 2419.1—1994

2

PREFACE
This Standard was prepared by the Standards Australia Committee FP/9 on Fire Hydrant
Installations to supersede AS 2419—1991.
The Standard specifies requirements for the installation of fire hydrants which may, in certain
cases, be supplemented by hydrants installed by water supply authorities on street mains.
The changes in this Standard include a revision and expansion of the requirements for hydrant
system design and acceptable sources of water supply, water supply capacities, and general
revisions to account for advances in technology for materials, methods of installation and
firefighting requirements.
An Appendix setting out the reasoning and rationale behind the content of some of the more
significant clauses in this Standard is provided. The paragraph numbers in the Appendix relate
directly to the clause numbers in the Standard, i.e. Paragraph C2.1 relates to Clause 2.1.

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The terms ‘normative’ and ‘informative’ have been used in this Standard to define the application
of the appendix to which they apply. A ‘normative’ appendix is an integral part of a Standard,
whereas an ‘informative’ appendix is only for information and guidance.

 Copyright

STANDARDS AUSTRALIA

Users of Standards are reminded that copyright subsists in all Standards Australia publications and software. Except where the
Copyright Act allows and except where provided for below no publications or software produced by Standards Australia may be
reproduced, stored in a retrieval system in any form or transmitted by any means without prior permission in writing from
Standards Australia. Permission may be conditional on an appropriate royalty payment. Requests for permission and information on
commercial software royalties should be directed to the head office of Standards Australia.
Standards Australia will permit up to 10 percent of the technical content pages of a Standard to be copied for use
exclusively in-house by purchasers of the Standard without payment of a royalty or advice to Standards Australia.
Standards Australia will also permit the inclusion of its copyright material in computer software programs for no royalty
payment provided such programs are used exclusively in-house by the creators of the programs.
Care should be taken to ensure that material used is from the current edition of the Standard and that it is updated whenever the
Standard is amended or revised. The number and date of the Standard should therefore be clearly identified.
The use of material in print form or in computer software programs to be used commercially, with or without payment, or in
commercial contracts is subject to the payment of a royalty. This policy may be varied by Standards Australia at any time.

3

AS 2419.1—1994

CONTENTS

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Page
FOREWORD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

SECTION 1 SCOPE AND GENERAL
1.1 SCOPE . . . . . . . . . . . . . . . . . . . . . .
1.2 NEW DESIGNS AND INNOVATIONS
1.3 REFERENCED DOCUMENTS . . . . .
1.4 DEFINITIONS . . . . . . . . . . . . . . . . .

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SECTION 2 BASIC REQUIREMENTS
2.1 PROVISION OF HYDRANTS WITHIN PROPERTIES
2.2 TYPE OF SYSTEM . . . . . . . . . . . . . . . . . . . . . . . .
2.3 PLANS AND SPECIFICATIONS . . . . . . . . . . . . . . .
2.4 QUALIFIED PERSONNEL . . . . . . . . . . . . . . . . . . .

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SECTION 3 SOURCES OF WATER SUPPLY
3.1 SOURCES OF WATER SUPPLY . . . .
3.2 ACCEPTABLE SOURCE OF SUPPLY
3.3 OTHER ON-SITE WATER STORAGE
3.4 COMBINED SYSTEMS . . . . . . . . . .

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SECTION 5 ANCILLARY EQUIPMENT
5.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 FIRE HOSE AND FITTINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 CABINETS, ENCLOSURES OR RECESSES . . . . . . . . . . . . . . . . . . . . . . . .
5.4 PRESSURE GAUGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.5 PUMPED HYDRANT SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.6 FIRE BRIGADE BOOSTER CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . .
5.7 BOOSTERS IN SERIES (RELAY) WITH PUMPS . . . . . . . . . . . . . . . . . . . . .
5.8 INTERNAL BOOSTER CONNECTION FOR PORTABLE RELAY PUMPS . .
5.9 BACK-FLOW PREVENTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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SECTION 6 PIPING, VALVES, AND FITTINGS
6.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 PIPE AND PIPE FITTING SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . .
6.3 SYSTEM PROTECTION AND IDENTIFICATION . . . . . . . . . . . . . . . . . . . .
6.4 PIPE JOINTS AND GASKETS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.5 VALVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.6 ORIFICE PLATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.7 STRAINERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.8 SUPPORT OF HYDRANT PIPEWORK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.9 THRUST BLOCKS AND ANCHORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.10 PRESSURE GAUGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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SECTION 4 SYSTEM DESIGN
4.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 HYDRAULIC DESIGN . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 LOCATION OF HYDRANTS PROTECTING BUILDINGS
4.4 PIPEWORK DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5 REQUIRED SYSTEM PERFORMANCE . . . . . . . . . . . .

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AS 2419.1—1994

4

Page
SECTION 7 TESTING
7.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 HYDROSTATIC TESTS . . . . . . . . . . . . . . . . . . . . . . . . . .
7.3 COMMISSIONING TEST . . . . . . . . . . . . . . . . . . . . . . . . .
7.4 SYSTEMS WHICH INCORPORATE A BOOSTER . . . . . . .
7.5 SYSTEMS WITH BOOSTER IN SERIES (RELAY) . . . . . .
7.6 SYSTEMS WHICH INCORPORATE A PUMP . . . . . . . . . .
7.7 SYSTEMS WHICH INCORPORATE A TANK . . . . . . . . . .
7.8 RECORDING OF TEST RESULTS . . . . . . . . . . . . . . . . . .

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APPENDICES
A HYDRANT INSTALLATION WATER SUPPLY FLOW CHART . . . .
B SPECIAL HAZARDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C GUIDE TO THE USE OF THIS STANDARD . . . . . . . . . . . . . . . . .
D SYSTEM RESISTANCE CURVES FOR COMBINED HYDRANT
AND SPRINKLER SYSTEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E WATER SUPPLY RELIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . .

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AS 2419.1 — 1994

FOREWORD
The purpose of this Standard is to specify a hydrant system which is compatible with the
needs of today’s fire authorities to extinguish more efficiently the outbreak of fire within
premises.
The availability of hydrants is essential to fire protection. Hydrants may be used to quell an
initial outbreak of fire, quench a dying fire controlled by an automatic protection system, or
provide the sole firefighting facility, e.g. after other means have been unsuccessful.
Although hydrants are installed within properties for use by the fire authority, they may also
be used by trained personnel.
An adequate source of water is a fundamental consideration in the design of a fire hydrant
installation and may comprise water from more than one source. A source based on a 4-h
duration at the flow rates given in this Standard is regarded as the minimum safe quantity to
enable fire brigades to extinguish a major fire and, if necessary, protect neighbouring
properties.

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Hydrant systems should also be regularly inspected, tested, and maintained to ensure
continued readiness for use. Where pump sets are installed, regular maintenance is essential.
This Standard does not apply to (but may be referenced during design for) the protection of
flammable and combustible liquid installations. Refer to Appendix B, special hazards for
general guidance in such installations.

AS 2419.1 — 1994

6

STANDARDS AUSTRALIA
Australian Standard
Fire hydrant installations
Part 1: System design, installation and commissioning
S E C T I O N

1

S C O P E

A N D

G E N E R A L

1.1 SCOPE This Standard sets out requirements for the design, installation, and
commissioning of fire hydrant systems within properties.
Requirements for maintenance of fire hydrant installations are given in AS 1851.4.

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NOTES:
1

Appendix A sets out a flow chart for water supply system design, and Appendix B provides
guidance on fire hydrant installations for special hazards.

2

Appendix C was written in an advisory manner as a guide to the use of the Standard. The
Appendix also contains charts and information for fire hose losses and nozzle discharge
calculations.
Comments to a particular Clause retain the clause number preceded by a ‘C’ i.e. C1.12 is a
comment relating to Clause 1.12.
A ‘C’ Clause is informative and not normative.

3

This Standard will be referenced in the Building Code of Australia by way of BCA
Amendment 7 intended for publication in October 1994, therefore superseding the previous
editions of AS 2419.1 — 1988 and 1991 which will be withdrawn 12 months from the date of
publication of this edition.
Users are advised that when BCA Amendment 7 is issued, it will not necessarily be gazetted
in each State/Territory at the time of printing.

1.2 NEW DESIGNS AND INNOVATIONS Any alternative materials, designs, methods
of assembly, procedures and the like that do not comply with specific requirements of this
Standard, or are not mentioned in it, but give equivalent results to those specified are not
necessarily prohibited, but the specified approval remains the prerogative of the regulatory
authority.
1.3 REFERENCED DOCUMENTS
Standard.

The following documents are referred to in this

AS
1074.1

Steel tubes and tubulars for ordinary service

1159

Polyethylene pipes for pressure applications

1221

Fire hose reels

1281

Cement mortar lining of steel pipes and fittings

1345

Identification of the contents of piping, conduits and ducts

1349

Bourdon tube pressure and vacuum gauges

1432

Copper tubes for plumbing, gasfitting and drainage applications

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7

AS 2419.1 — 1994

1477
1477.1
1477.2
1477.4
1477.6

Unplasticized PVC (UPVC) pipes and fittings for pressure applications
Part 1: Pipes
Part 2: Moulded fittings
Part 4: Post-formed bends
Part 6: Rubber ring joints

1516

The cement mortar lining of pipelines in situ

1530
1530.4

Methods for fire tests on building materials, components and structures
Part 4: Fire-resistance test of elements of building construction

1572

Copper and copper alloys — Seamless tubes for engineering purposes

1579

Arc welded steel pipes for fittings for water and waste water

1596

LP Gas — Storage and Handling

1670

Automatic fire detection and alarm systems — System design, installation, and
commissioning

1724

Cast grey iron pressure pipes and fittings with bolted gland joints

1769

Welded stainless steel tubes for plumbing applications

1851
1851.4

Maintenance of fire protection equipment
Part 4: Fire hydrant installations

1873

Explosive-powered hand-held fastening tools, fasteners and explosive charges

1940

The storage and handling of flammable and combustible liquids

2032

Code of practice for installation of UPVC pipe systems

2033

Installation of polyethylene pipe systems

2118

Automatic fire sprinkler system (known as SAA Code for Automatic Fire Sprinkler
Systems)

2129

Flanges for pipes, valves and fittings

2200

Design charts for water supply and sewerage

2280

Ductile iron pressure pipes and fittings

2312

Guide to the protection of iron and steel against exterior atmospheric corrosion

2419
2419.2

Fire hydrant installations
Part 2: Fire hydrant valves

2484
2484.2

Fire Glossary of terms
Part 2: Fire protection and Fire fighting equipment

2544

Grey iron pressure pipes and fittings

2638

Sluice valves for waterworks purposes

2792

Fire hose — Delivery layflat

2845
2845.1

Water supply — Mechanical backflow prevention devices
Part 1: Materials, design and performance requirements

2941

Fixed fire protection installations — Pumpsets systems

2977

Unplasticized PVC (UPVC) pipes for pressure applications — Compatible with cast
iron pipe outside diameters.
Part 1: Pipes
Part 2: Post-formed bends
Part 3: Rubber ring joints

2977.1
2977.2
2977.3
3000

Electrical installations — Buildings, Structures and premises (known as the SAA
Wiring Rules)
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AS 2419.1 — 1994

8

3500

National Plumbing and Drainage Code

3579

Cast iron wedge gate valves for general purposes

API
607

Fire test for soft-seated quarter-turn valves

BS
3059
3059.2

Specification for steel boiler and superheater tubes
Part 2: Carbon, alloy and austenitic stainless steel tubes with specified elevated
temperature properties

3604

Specification for steel pipes and tubes for pressure purposes:Ferritic alloy steel
with specified elevated temperature properties

3974
3974.1

Specifications for pipe supports
Part 1: Pipe hangers, slider and roller type supports

AS
4041

Pressure piping

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4118
Fire sprinkler systems
4118.1.4 Part 1.4: Components — Valve monitors
Building Code of Australia
4118.2.1 Part 2.1: Piping general
1.4 DEFINITIONS For the purpose of this Standard, the definitions given in AS 2484.2,
AS 3500 and those below apply.
1.4.1

Approved and approval— approved by, or the approval of, a regulatory authority.

1.4.2 Block plan — a plan of the risk clearly indicating the as-constructed location of all
mains, isolating valves and hydrants.
1.4.3 Design pressure — the working pressure plus any increase in pressures incurred when
the hydrant is closed, e.g. pump running in a no-flow condition.
1.4.4 Fire brigade booster connection — a connecting device enabling the fire brigade to
pressurize or pump water into a fire hydrant system.
1.4.5

Fire compartment — a volume which is enclosed by a fire-rated construction.

1.4.6 Fire hydrant— an assembly installed in a water pipeline which provides a valved
outlet to permit a controlled supply of water to be taken from the pipeline for firefighting.
1.4.7 Fire-resistance level (FRL) — the fire-resistance rating periods in minutes, determined
for —
(a)

structural adequacy,

(b)

integrity, and

(c)

insulation,

expressed in that order, i.e. FRL XX/ YY/ ZZ.
1.4.8 High-rise installation— a fire hydrant installation in a building where the floor of the
topmost storey, excluding a storey containing only heating, ventilation, lifts, water tanks, or
similar service equipment, is more than 25 m above the floor of the lowest storey providing
egress by a normal route to a road or open area.
1.4.9 Hydrant valve — a valve controlling flow of water from the fire hydrant outlet with
provision for attachment of a fire hose.
1.4.10 Low-rise installation — a fire hydrant installation in a single or multistorey building
other than a high-rise structure.

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9

AS 2419.1 — 1994

1.4.11 Open yard — a designated area in industrial or commercial premises which may be
used for combustible storage or processing of any kind and having an area greater than
500 m2.
NOTE: Refer to AS 1940 for areas used for bulk storage of flammable and combustible liquids.

1.4.12

Private reservoir—any privately owned volume of water.

1.4.13 Regulatory authority — a Minister of the Crown, a government department or other
public authority having power to issue regulations, orders, or other instructions having the
force of law in respect of any subject covered by this Standard.
NOTE: There may be one or more regulatory authorities for any particular installation, or even for
some aspect of it. Fire authorities have the necessary expertise to assist the regulatory authority in
interpreting and applying the requirements of this Standard.

1.4.14

Relay — a firefighting term to denote that pumps are connected in series.

1.4.15
rate.

Residual pressure — water pressure available at a hydrant outlet at a particular flow

1.4.16 Suction connection — a large diameter connection often used on water supply tanks
where the residual pressure is within the range of 30 kPa and 150 kPa.

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1.4.17 Test pressure — not less than 1700 kPa or 1.5 times the design pressure, whichever
is the greater.
1.4.18 Working pressure — the maximum pressure achieved within the system by the fire
authority, the system pumping equipment, or both, when the most hydraulically disadvantaged
hydrant or hydrants are operated.
NOTE: Operational pressure for fire authorities is synonymous with working pressure.

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AS 2419.1 — 1994

10

S E C T I O N

2

B A S I C

R E Q U I R E M E N T S

2.1 PROVISION OF HYDRANTS WITHIN PROPERTIES Fire hydrants shall be
provided within properties as required by the regulatory authority. Such hydrants may be
required internally, externally, or on roofs. For information on special hazards, see
Appendix B.
2.2 TYPE OF SYSTEM Unless otherwise approved by the regulatory authority, the
hydrant system shall be a wet-pipe system having its supply valve open and water pressure
maintained at all times. It shall be arranged so that the water supply is boosted by the
operation of devices, if required.
2.3 PLANS AND SPECIFICATIONS The regulatory authority may require plans and
specifications of the hydrant system to be forwarded to it for approval.

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Where a fire brigade booster connection is installed, a block plan shall be provided (see
Figure 2.1). It shall be fixed within or adjacent to the booster cabinet, enclosure or recess
where it can be readily seen by firefighters and others responding to an alarm or at other
positions as required by the regulatory authority.
The block plan shall be in the form of a permanent diagram which is water-resistant and
fade-resistant and shall consist of the following:
(a)

A layout plan of the protected buildings or open yards and adjacent streets.

(b)

A diagram of water supplies showing —
(i)

size and location of supply authorities mains (dimensioned);

(ii)

valves and connections for non-industrial purposes;

(iii)

location and capacities of water storage tanks;

(iv)

location and duties of pumps;

(v)

location and total number of hydrants;

(vi)

location of booster connections;

(vii)

location of isolating and non-return valves; and

(viii) any connections to other installed fire protection systems.
(c)

The year of installation of the system, any major extensions thereto, and any unusual
features of the installation, and —
(i)

the names of both the contractor who installed the system, and the organization
responsible for the maintenance of the system;

(ii)

the operational discharge pressure of the system;

(iii)

the height of the highest hydrant outlet above the lowest booster inlet
connection; and

(iv)

where the building or property incorporates hydrants not connected to the
booster, the clearly identified location and test pressures.

2.4 QUALIFIED PERSONNEL
qualified personnel.

Installation of hydrant systems shall be carried out by

NOTE: It is envisaged that certification schemes devised by appropriate agencies will incorporate
provisions for assessing the competency of qualified personnel.

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