AS 3500 1 1 1998 national plumbing and drainage water supp

Title

AS 3500.1.1-1998 National plumbing and drainage - Water supply - Performance
requirements

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AS 3500.1.1—1998

Australian Standard

National plumbing and drainage

Part 1.1: Water supply—
Performance requirements


This Australian Standard was prepared by Committee WS/14, National Plumbing

and Drainage Code. It was approved on behalf of the Council of Standards
Australia on 14 November 1997 and published on 5 January 1998.

The following interests are represented on Committee WS/14:
Association of Hydraulic Services Consultants, Australia
AUSTAP
Australian Association of Certification Bodies
Australian Building Codes Board
Australian Chamber of Manufactures
Australian Gas Association
Brisbane Water
Department of Environment and Land Management, Tas.
Department of Lands Planning and Environment, N.T.
Department of Land and Water Conservation, N.S.W.
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Department of Urban Services, A.C.T.
Electricity Supply Association of Australia
Gas Appliance Manufacturers Association of Australia
Housing Industry Association, Australia
Master Builders Australia
Master Plumbers Australia
Metal Trades Industry Association of Australia
National Association Sanitary Plumbing and Drainage Contractors, Australia
New Zealand Manufacturers Federation
New Zealand Society of Master Plumbers and Gasfitters
Plastics and Chemicals Industry Association, Australia
Plumbers, Gasfitters and Drainlayers Board of New Zealand
Plumbing Industry Board, Australia
Queensland Department of Local Government and Planning

South Australian Water Corporation
South Australian Health Commission
Sydney Water Corporation

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
editi on, and any amendments thereto.
Full details of all Australian Standards and related publi cations will be found in the Standards Australia
Catalogue of Publi cations; 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new editions and amendments, and of withdrawn Standards.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 wit hout delay in order that the matter may be investigated and appropriate action taken.

This Standard was issued in draft form for comment as DR 96404.


AS 3500.1.1—1998

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Australian Standard
National plumbing and drainage
Part 1.1: Water supply—
Performance requirements

First published AS 3500.1.1— 1998.

PUBLISHED BY STANDARDS AUSTRALIA
(STANDARDS ASSOCIATION OF AUSTRALIA)
1 THE CRESCENT, HOMEBUSH, NSW 2140
ISBN 0 7337 1686 5


AS 3500.1.1 — 1998

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PREFACE
This Standard was prepared by the Joint Standards Australia/Standards New Zealand
Committee WS/14, National Plumbing and Drainage Code and is the result of a consensus
among representatives on the Joint Committee to produce it as an Australian Standard.
New Zealand performance requirements are established in New Zealand Building
Regulations and are generally equivalent to those in this Standard.
This Standard sets out objectives for water supply in its functional and performance
requirements.
Reference to AS/NZS 3500.1.2, National Plumbing and Drainage, Part 1.2: Water
supply — Acceptable solutions sets out a means of achieving minimum deemed-to-satisfy
requirements for the objectives and performance requirements of this Standard.

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It is recognized that the content of this Part would usually be the responsibility of a
regulatory body. Nevertheless, owing to the reforms taking place in the industry at
present, no national body has yet been identified to take up such responsibilities.
Therefore, for the purpose of this edition, the document is published as part of the
AS 3500 series. If in the future a national regulatory administration is identified, the
Standard will be modified accordingly.

The performance requirements of this Standard have been published without a ‘durability’
clause. This course of action was found necessary owing to a division existing among the
committee members responsible for the document. It is possible that in the future such a
durability requirement could become part of this document by means of an amendment or
a full revision.

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AS 3500.1.1 — 1998

CONTENTS

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SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPLICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
REFERENCED DOCUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OBJECTIVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FUNCTIONAL REQUIREMENT — FIXTURES AND APPLIANCES . . . . . . . .
PERFORMANCE REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DEEMED TO SATISFY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MEANS OF VERIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUTHORIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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4

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AS 3500.1.1 — 1998

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STANDARDS AUSTRALIA
Australian Standard
National plumbing and drainage
Part 1.1: Water supply — Performance requirements
1 SCOPE This Standard sets out the requirements for the design and construction of
cold water services from the water main to the points of discharge.
2 APPLICATION This Standard applies to new installations, alterations, additions and
repairs to existing installations.
NOTE: This Standard should also be read in conjunction with Australian by-laws and
regulations of the regulatory authority. This Standard does not cover hot water services.

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3 REFERENCED DOCUMENTS The following documents are referred to in this
Standard:
AS/NZS
3500
3500.0

3500.1.2

National plumbing and drainage
Part 0:
Glossary of terms
Part 1.2: Water supply— Acceptable solutions

SAA
MP52

Manual of authorization procedures for plumbing and drainage products

4 DEFINITIONS For the purpose
AS/NZS 3500.0 and that below apply.
4.1
5

of this Standard,

the definitions

given in

Adequate—sufficient to achieve the objectives of this Standard.
OBJECTIVES

The objectives of this Standard are as follows:

(a)

Safeguard people from illness due to consumption of, or contact with, contaminated
water.

(b)

Safeguard people from injury or loss of amenity due to a failure of the water supply
installation.

(c)

Safeguard people from a water supply that is offensive in appearance, taste or
odour.

(d)

Ensure that suitable water facilities are provided for people with disabilities.

(e)

Ensure that the cold water supply installation throughout its design life will
continue to satisfy the objectives of Items (a), (b), (c) and (d).

6 FUNCTIONAL REQUIREMENT — FIXTURES AND APPLIANCES Fixtures,
appliances and drinking water outlets shall have a safe and adequate piped water supply
suitable for the intended purpose.
7

PERFORMANCE REQUIREMENTS

7.1 Water supplies Installations intended to supply water for human consumption,

food preparation, utensil washing or oral hygiene shall be connected to a potable water
supply.
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AS 3500.1.1 — 1998

7.2 Non-potable water supplies
shall be clearly identified.

Pipes outlets and fittings supplying non-potable water

7.3 Water supply installations
constructed as follows:

Water supply installations shall be designed and

(a)

Avoid the likelihood of contamination of potable water within both the system and
the water main by means which are appropriate to the hazard.

(b)

Provide water to fixtures and appliances at flow rates and pressures which are
adequate for the correct functioning of those fixtures, appliances and fire services
under normal conditions and in a manner that does not create undue noise.

(c)

Avoid the likelihood of leakage or failure.

(d)

Allow reasonable access for maintenance of mechanical components.

(e)

Allow the system, appliances and backflow prevention devices to be isolated for
testing and maintenance.

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7.4 People with disabilities With facilities provided for people with disabilities, hot
and cold water supply taps or other operational controls shall be accessible and
convenient to the user.
8 DEEMED TO SATISFY Compliance with AS/NZS 3500.1.2 shall be deemed to
satisfy the requirements of this Standard.
9 MEANS OF VERIFICATION Verification acceptable to a regulatory authority can
be demonstrated either —
(a)

by calculation and certification by persons or organizations with recognized
credentials in the design or testing of water supply systems; or

(b)

by satisfying the required criteria when tested in accordance with a specified test

method endorsed by a recognized auditing body.

10 AUTHORIZATION Products used in water supply systems shall be of an approved
type as specified in SAA MP52.

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