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AS/NZS 3500.5:2000 NATIONAL PLUMBING AND DRAINAGE - DOMESTIC INSTALLATIONS

AS/NZS 3500.5:2000 NATIONAL PLUMBING AND DRAINAGE - DOMESTIC INSTALLATIONS

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National

plumbing and drainage

Part 5:

Domestic installations

AS/NZS 3500.5:2000
This Joint Australian/New Zealand Standard was prepared by Joint Technical
Committee WS-014, National Plumbing and Drainage Code. It was approved on
behalf of the Council of Standards Australia on 28 July 2000 and on behalf of the
Council of Standards New Zealand on 21 November 2000. It was published on
15 December 2000.

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The following interests are represented on Committee WS-014:
AUSTAP
Association of Hydraulic Services Consultants Australia
AusPoly
Australian Association of Certification Bodies
Australian Building Codes Board
Australian Gas Association
Australian Industry Group
Brisbane Water
Department of Communication and Information, Local Government and Planning
(Qld)
Department of Infrastructure, Energy and Resources (Tasmania)
Department of Land and Water Conservation (N.S.W.)
Department of Lands, Panning and the Environment (N.T.)
Department of Urban Services (A.C.T.)
Electricity Supply Association of Australia
Gas Appliance Manufacturers Association of Australia
Housing Industry Association
Institute of Plumbing Australia
Master Builders Australia
Master Plumbers Australia
Master Plumbers, Gasfitters and Drainlayers New Zealand
National Association Sanitary Plumbing and Drainage Contractors (Australia)
New Zealand Manufacturers Federation
Plumbing Industry Commission (Victoria)
South Australian Health Commission
Sydney Water Corporation
Water Corporation Western Australia

Keeping Standards up-to-date
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systems. To maintain their currency, all Standards are periodically reviewed, and
new editions are published. Between editions, amendments may be issued.
Standards may also be withdrawn. It is important that readers assure themselves
they are using a current Standard, which should include any amendments which may
have been published since the Standard was purchased.
Detailed information about joint Australian/New Zealand Standards can be found by
visiting the Standards Australia web site at www.standards.com.au or Standards
New Zealand web site at www.standards.co.nz and looking up the relevant Standard
in the on-line catalogue.
Alternatively, both organizations publish an annual printed Catalogue with full details
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offer a number of update options. For information about these services, users should
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encourage readers to notify us immediately of any apparent inaccuracies or
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Standards Australia International or Standards New Zealand at the address shown
on the back cover.

This Standard was issued in draft form for comment as DR 97126.

AS/NZS 3500.5:2000

Australian/New Zealand Standard™

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National plumbing and drainage
Part 5: Domestic installations

First published as AS/NZS 3500.5:2000.

COPYRIGHT
© Standards Australia/Standards New Zealand
All rights are reserved. No part of this work may be reproduced or copied in any form or by any
means, electronic or mechanical, including photocopying, without the written permission of the
publisher.
Jointly published by Standards Australia International Ltd, GPO Box 5420, Sydney, NSW 2001
and Standards New Zealand, Private Bag 2439, Wellington 6020
ISBN 0 7337 3530 4

AS/NZS 3500.5:2000

2

PREFACE
This Standard was prepared by the Joint Standards Australia Standards
New Zealand Committee WS/14, National Plumbing and Drainage, to provide
a suitable Standard for domestic-type plumbing and drainage.
The objective of this Standard is to describe in a simplified way the
installation requirements for hot and cold water services, sanitary plumbing
and drainage and stormwater drainage. Alternative systems are not included
in this document and reference should be made to the relevant Parts of
AS/NZS 3500.
The Standard incorporates extracts from the National Plumbing and Drainage
Standards to suit domestic plumbing installation. Readers of this Standard
are advised that some network utility operators may have additional or varied
requirements to those described herein.

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Section 5 of this Standard is a Building Code of Australia primary referenced
Section by way of BCA Amendment 8 to be published by 1 January 2001.
Statements expressed in mandatory terms in notes to tables and figures are
deemed to be requirements of this Standard. Other notes are informative
only.
Support and contribution is acknowledged from Master Plumbers Australia,
Exhibition Street, Melbourne.

3

AS/NZS 3500.5:2000

CONTENTS

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Page
SECTION 1

SCOPE AND GENERAL............................................................. 5

SECTION 2

WATER SUPPLY...................................................................... 15

SECTION 3

HOT WATER SUPPLY ............................................................. 55

SECTION 4

SANITARY PLUMBING AND DRAINAGE............................... 107

SECTION 5

STORMWATER DRAINAGE .................................................. 199

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AS/NZS 3500.5:2000
4

NOTES

5

AS/NZS 3500.5:2000

SECTION 1
SCOPE AND GENERAL

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Page
1.1

SCOPE ................................................................................................. 7

1.2

REFERENCED DOCUMENTS.............................................................. 7

1.3

DEFINITIONS ..................................................................................... 12

1.4

APPLICATION .................................................................................... 12

1.5

TERMITE MANAGEMENT.................................................................. 13

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AS/NZS 3500.5:2000
6

NOTES

7

AS/NZS 3500.5:2000

STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND
Australian/New Zealand Standard
National plumbing and drainage
Part 5: Domestic installations

S E CT IO N

1

S CO P E

A ND

G E NE RA L

1.1 SCOPE
This Standard sets out the requirements for the installation of hot and cold
water supply, sanitary plumbing and drainage and stormwater drainage, for
domestic plumbing work.

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This Standard does not apply to water services for firefighting, such as
hydrants, hose reels and sprinkler systems.
Sections 1 to 4 of this Standard are taken from AS/NZS 3500 Parts 1.2, 2.2,
and 4.2. Where there is any conflict between provisions in this Standard,
Parts 1.2, 2.2, and 4.2 shall prevail. Section 5 of this Standard is based on
AS/NZS 3500.3.2, and includes design information. Consequently, it is
recommended installations be based exclusively on either Section 5 or
AS/NZS 3500.3.2.
Illustrations used in this Standard are diagrammatic only and have been
chosen without prejudice.
1.2 REFERENCED DOCUMENTS
The following documents are referred to in this Standard:.
AS
1056
1056.1

Storage water heaters
Part 1: General requirements

1074

Steel tubes and tubulars for ordinary service

1167
1167.1

Welding and brazing—Filler metals
Part 1: Filler metal for brazing and braze welding

1170
1170.3

Minimum design loads on structures
Part 3: Snow loads

1254

Unplasticized PVC (UPVC) pipes and fittings for storm and
surface water applications

1273

Unplasticized PVC (UPVC) downpipe and fittings for rainwater

1289
Methods of testing soils for engineering purposes
1289.5
Part 5: Soil compaction and density tests
1289.5.4.1 Compaction control test—Dry density ratio, moisture variation
and moisture ratio
COPYRIGHT

8

AS/NZS 3500.5:2000

AS

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1289.5.6.1 Compaction control
cohesionless material

test—Density

index

method

for

a

1319

Safety signs for the occupational environment

1345

Identification of the contents of pipes, conduits and ducts

1361

Electric heat-exchange water heaters—For domestic applications

1379

Specification and supply of concrete

1397

Steel sheet and strip—Hot-dipped zinc-coated or aluminium/
zinc-coated

1432

Copper tubes for plumbing, gasfitting and drainage applications

1449

Wrought alloy steels—Stainless and heat resisting steel plate,
sheet and strip

1478
1778.1

Chemical admixtures for use in concrete, mortar and grout
Part 1: Admixtures for concrete

1566

Copper and copper alloys—Rolled flat products

1604

Timber—Preservative treated—Sawn and round

1631

Cast grey and ductile iron non-pressure pipes and pipe fittings

1646
1646.1

Elastomeric seals for waterworks purposes
Part 1: General requirements

1684

National Timber Framing Code

1690

Rules for the safe design, construction and performance of
domestic oil-fired appliances

1691

Domestic oil-fired appliances—Installation

1741

Vitrified clay pipes and fittings with flexible joints—Sewer quality

1761

Helical lock-seam corrugated steel pipes

1762

Helical lock-seam
installation

1834
1834.2

Material for soldering
Part 2: Flux-cored solders

2032

Code of practice for installation of UPVC pipe systems

2033

Installation of polyethylene pipe systems

2439
2439.1

Perforated plastics drainage and effluent pipe and fittings
Part 1: Perforated drainage pipe and associated fittings

2492

Cross-linked polyethylene (PE-X) pipe for hot and cold water
applications

2700

Colour standards for general purposes

2712

Solar water heaters—Design and construction

corrugated

COPYRIGHT

steel

pipes—Design

and

9

AS/NZS 3500.5:2000

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AS
2870

Residential slabs and footings—Construction

2984

Solar water heaters—Methods of test for thermal performance—
Outdoor test method

3142

Approval and test specification—Electric water heaters

3517

Capillary fittings of copper and copper alloy for non-pressure
sanitary plumbing applications

3571

Glass filament reinforced thermosetting plastics (GRP) pipes—
Polyester based—Water supply, sewerage and drainage
applications

3648

Specification and methods of test for packaged concrete mixes

3600

Concrete structures

3660
3660.1

Protection of buildings from subterranean termites
Part 1: New buildings

3673

Malleable cast iron threaded pipe fittings

3688

Water supply—Copper and copper alloy body compression and
capillary fittings and threaded-end connectors

3725

Loads on buried concrete pipes

3795

Copper alloy tubes for plumbing and drainage applications

3996

Metal access covers, road grates and frames

4032

Thermostatic mixing valves—Materials, design and performance
requirements

4058

Precast concrete pipes (pressure and non-pressure)

4060

Loads on buried vitrified clay pipes

4176

Polyethylene/aluminium
and
cross-linked
aluminium macro-composite pipe systems
applications

4234

Solar water heaters—Domestic and heat pump—Calculation of
energy consumption

4552
(AG 102)

Gas water heaters

5601
(AG 601)

Gas installations

polyethylene/
for pressure

AS/NZS
1167
1167.2

Welding and brazing — Filler metals
Part 2: Filler metal for welding

1260

PVC pipes and fittings for drain, waste and vent applications

1477

PVC pipes and fittings for pressure applications

COPYRIGHT