hb 233-2008 fire protection systems testing - water conservation handbook
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7/31/2019 HB 233-2008 Fire Protection Systems Testing - Water Conservation Handbook
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HB 233—2008
Fire Protection Systems Testing—Water Conservation Handbook
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HB
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HB 233—2008
ISBN 0 7337 8890 4
First published 2008
Author
——————————————————
Andre MierzwaVice President - Operations Chief Engineer – FM Global.
Andre has 33 years of experience with FM Global in Industrial/Commercial loss prevention engineering
specializing in fire protection systems and natural hazards exposures. Andre has worked for FM Global in Australia,
USA, Europe and Asia as a Consultant Engineer, Group Manager, Engineering Manager Australasia, Engineering
Manager Asia and currently Operations Chief Engineer. He is currently the chairman of the Built Environment
Technical Committee of The Insurance Council and Chairman/Convener/Committee member on various
Australian Standards Committees associated with Fire Protection Systems. Throughout his career he has worked
closely with FM Global Research and Engineering Standards groups, keeping up to date and contributing to work
on updating worldwide fire protection technology and application standards.
Design and Production
———————————————— David Michel, Project Manager, Standards Australia
Acknowledgments
———————————————
The author gratefully acknowledges
Tyco Fire Products
Aspinall Fire Service Testing Pty Ltd
Department of Human Services Victoria
Standards Australia — HB 147, Sprinklers Simplified
FM Global
South East Water
Endorsements
————————————
Fire Protection Association Australia
Building Commission
Water Services Association of Australia
Copyright
———————————————
© Standards Australia
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.
Published by Standards Australia Limited, GPO Box 476 Sydney NSW 2000
Phone: 02 9237 6000
Fax: 02 9237 6010
Email: mail@standards.org.au
Internet: www.standards.org.au
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i
ABSTRACT This Handbook has been developed to demonstrate the
amount of water used on average when testing systems, such
as, sprinklers, hydrants, pumps and hose reels, to AS 1851—
2005 Maintenance of fire protection systems and equipment,together with action recommended to reduce the amount of
water used during systems test. Tables are provided to further
demonstrate the amount of water actually used when
adopting the recommendations and the estimated amount of
water saved on each system. In providing an appreciation of
the approximate amount of water that is necessarily used for
system testing, several water saving measures that can be
adopted are identified for each of the tests. Several worked
examples are included to assist building owners, consultants
and system designers in analysing the systems.
FIGURE 0.1 MEANS OF CONTROLLING FIRE
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Contents
Chapter
AS 1851—2005 Sections requiring water flow during maintenance and testing Page No.
Introduction 1
General overview of automatic sprinkler systems 3
Chapter 1 Automatic sprinkler systems
1.1 15 mm alarm test Table 2.4.1.2 Item 2.2(a) 9
1.2 Pump start device check Table 2.4.1.2 Item 2.10(a) 12
1.3 Floor/zone indication test Table 2.4.1.2 Item 2.12(a) 14
1.4 Main drain test of town main Table 2.4.1.2 Item 2.16(a) 16
1.5 Town main full flow test Table 2.4.1.2 Item 2.17(a) 17
1.6 Remote alarm valve Table 2.4.1.2 Item 2.18(a) 19
1.7 Tank internal check — Drain Table 2.4.1.3 Item 3.18(a) 20
Chapter 2 Residential and home systems2.1 10 mm alarm test Table 2.4.2.2 Item 2.2(a) 23
2.3 Main drain flow test Table 2.4.2 .2 Item 2.13(a) 26
2.4 Remote alarm test Table 2.4.2 .2 Item 2.14(a) 26
2.5 Tank internal check — Drain Table 2.4 .2.1 Item 1.10(b) 27
Chapter 3 Dry pipe systems
3.1 Simulate operation Table 2.4.3 .2 Item 2.3(a) 29
3.2 Dry pipe (drain 50 mm) trip test Table 2.4 .3.2 Item 2.4(a) 31
Chapter 4 Deluge and water spray systems
4.1 Main drain test — 50 mm Table 2.4.4.2 Item 2.2(a) 33
Chapter 5 Pre-action systems
5.1 Alarm test local and fire brigade — Bypass Table 2.4 .5.2 Item 2.5(a) 375.2 Auxiliaries test — Trip test Table 2.4 .5.2 Item 2.6(a) 39
Chapter 6 Fire pumps and booster pumps
6.1 Pump starting devices — Diesel and electric
pump sets
Table 3.4.2.1 Item 2.5(a) & 2.8(a) 41
6.2 Diesel pump run and electric pump run — Circulation
relief and diesel heat exchanger cooling lines
Table 3.4.2.1 Item 2.6(l) & 2.6(a) 43
6.3 Diesel pump run and electric pump run — Pressure
relief
Table 3.4.2.1 Item 2.6(l) & 2.6(a) 46
6.4 Full flow test of diesel and/or electric pump Table 3.4.2.1 Item 2.12(a) & 2.13(a) 50
Chapter 7 Hydrant systems
7.1 Shared water supply piping systems 53
7.2 Pressure reducing valve check Table 4.4 .2 Item 2.5(a) 53
7.3 Town main full flow test Table 4.4 .2 Item 2.6(a) 54
7.4 Booster connection flow test Table 4.4 .2 Item 2.7 56
7.5 Hydrostatic test Table 4.4 .2 Item 2.8 56
7.6 Pump starting devices — Diesel and electric pumpsets Table 4.4 .2 Item 2.9(a) & 2.10(a) 58
7.7 Remote pump starting Table 4.4 .2 Item 2.11(a) 58
7.8 Tanks — Drain and inspect Table 4.4 .3 Item 3.12(a) 59
Chapter 8 Hose reels
8.1 Flow test Table 14.4.2 Items 2.8 & 2.9 61
Appendix A — Worked Examples 63
Bibliography 77
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HB 233 Introduction
Copyright 1
Introduction
Australia is the driest inhabited continent in the world. It also shares, with
Southern Africa, the most variable rainfall. Since Australian cities rely heavily on
dam storages for their water supplies, water conservation has always played an
important role in water management.
The severity and duration of the current drought has brought home once again
the importance of water conservation in the every day life of all Australians.
While the urban water industry is undertaking significant capital projects to
deliver additional water supplies to almost all Australian cities, the prospect of
climate change continues to pose a threat to urban water supplies and
underpins the continued importance of maintaining vigilance regarding water
conservation.
Fire protection systems play a critical role in safeguarding both lives andproperties. Nevertheless it is not practical that, because of this importance, fire
protection should not be expected to play its part in water conservation. Millions
of litres of water are currently used in frequent testing of fire protection systems.
This water is neither metered nor is payment required for it. Both of these
arrangements are unsustainable in an environment where water efficiency is of
critical importance.
Water utilities are also held accountable for their own water efficiency and are
taking a number of actions in this area. One of the areas where significant
activity has been undertaken is leakage management. Improvements in leakage
management are being addressed by leakage detection and a systematic
program of pressure management. Pressure management may have implicationsfor the viability of existing fire protection systems that have been installed in
buildings.
Management of pressure reduction programs by both the water authorities and
building owners is therefore critical. This measure in many cases imposes a major
cost on the building owner to upgrade the fire protection system, usually by the
installation of on-site water storage, which can be considered a mandatory
imposition of water conservation measures.
Looking at fire protection systems, the situation starts to get complex, many
systems are part of a building’s essential services; life safety systems required by
the Building Code of Australia (BCA). As such, these systems must be meticulouslymaintained to ensure that following the outbreak of fire, the systems will operate
reliably and effectively and according to their design standard or specification.
Even when the system does not form part of the essential services, it is critical for
property protection, business survival and protection of the environment to
enforce the same level of testing and maintenance.
The maintenance of fire protection systems and equipment requires the
checking of the water supply feeding them; this can only be done by flowing
water during a test of the system. The only demand at present placed on the
building and system owner to conserve water is public opinion.
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HB 233-2008, Fire Protection Systems Testing -Water Conservation Handbook
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