AS NZS 3666.1-2002 Air-handling and water systems of buildings - Microbial control - Design, installation and.pdf
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1、AS/NZS 3666.1:2002 Australian/New Zealand Standard Air-handling and water systems of buildingsMicrobial control Part 1: Design, installation and commissioning AS/NZS 3666.1 Building Code of Australia Primary referenced Standard Licensed to Marley Temcel Australia on 11 Sep 2003. 1 user personal user
2、 licence only. Storage, distribution or use on network prohibited. AS/NZS 3666.1:2002 This Joint Australian/New Zealand Standard was prepared by Joint Technical Committee ME-062, Ventilation and Airconditioning. It was approved on behalf of the Council of Standards Australia on 8 March 2002 and on b
3、ehalf of the Council of Standards New Zealand on 18 April 2002. It was published on 2 May 2002. The following interests are represented on Committee ME-062: Air-Conditioning and Refrigeration Equipment Manufacturers Association of Australia Australasian Fire Authorities Council Australian Building C
4、odes Board Australian Chamber of Commerce and Industry Australian Industry Group Australian Institute of Building Surveyors Australian Institute of Refrigeration Air Conditioning and Heating Chartered Institution of Building Services Engineers Department of Contract and Management Services, W.A. FPA
5、 Australia Institute of Refrigeration Heating and Air Conditioning Engineers New Zealand Institute of Engineers Australia Plastics and Chemicals Industries Association Property Council of Australia Additional interests participating in the preparation of this Standard: Department of Human Services (
6、Vic) Department of Human Services (Tas) Institute of Plant Engineers Australasia National Health and Medical Research Council New South Wales Health Department Queensland Health Telstra Corporation Keeping Standards up-to-date Standards are living documents which reflect progress in science, technol
7、ogy and 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 Standards may also be withdrawn.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 an
8、y 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 .au or Standards New Zealand web site at www.standards.co.nz and looking up the relevant Standar
9、d in the on-line catalogue. Alternatively, both organizations publish an annual printed Catalogue with full details of all current Standards. For more frequent listings or notification of revisions, amendments and withdrawals, Standards Australia and Standards New Zealand offer a number of update op
10、tions. For information about these services, users should contact their respective national Standards organization. We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Please address your
11、 comments to the Chief Executive of either 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 00101. Licensed to Marley Temcel Australia on 11 Sep 2003. 1 user personal user licence only. Storage
12、, distribution or use on network prohibited. AS/NZS 3666.1:2002 Australian/New Zealand Standard Air-handling and water systems of buildingsMicrobial control Part 1: Design, installation and commissioning Originated as part of AS 36661989. Previous edition AS/NZS 3666.1:1995. Second edition 2002. COP
13、YRIGHT 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 Internat
14、ional Ltd, GPO Box 5420, Sydney, NSW 2001 and Standards New Zealand, Private Bag 2439, Wellington 6020 ISBN 0 7337 4452 2 Licensed to Marley Temcel Australia on 11 Sep 2003. 1 user personal user licence only. Storage, distribution or use on network prohibited. AS/NZS 3666.1:20022 PREFACE This Standa
15、rd was prepared by the Joint Standards Australia/Standards New Zealand Committee ME-062, Ventilation and Airconditioning, to supersede AS/NZS 3666.1:1995. This Standards forms Part 1 of a series of Standards for the microbial control of air- handling and water systems, as follows: AS/NZS 3666Air-han
16、dling and water systems of buildingsMicrobial control 3666.1Part 1:Design, installation and commissioning 3666.2Part 2:Operation and maintenance 3666.3Part 3:Performance-based maintenance of cooling water systems Licensed to Marley Temcel Australia on 11 Sep 2003. 1 user personal user licence only.
17、Storage, distribution or use on network prohibited. AS/NZS 3666.1:20023 CONTENTS Page FOREWORD. 4 SECTION 1SCOPE AND GENERAL 1.1SCOPE.6 1.2OBJECTIVE6 1.3APPLICATION .6 1.4REFERENCED DOCUMENTS.7 1.5DEFINITIONS.7 SECTION 2DESIGN, INSTALLATION AND COMMISSIONING OF AIR-HANDLING SYSTEMS 2.1GENERAL.11 2.2
18、AIR INTAKES 11 2.3EXHAUST AIR OUTLETS.11 2.4AIR FILTERS12 2.5HUMIDIFIERS12 2.6EVAPORATIVE AIR COOLING EQUIPMENT12 2.7COILS13 2.8TRAYS AND SUMPS.13 2.9CONDENSATE AND EQUIPMENT DRAINAGE.13 2.10 FAN ASSEMBLIES14 2.11 DUCTWORK AND COMPONENTS14 2.12 TERMINAL UNITS14 2.13 COMMISSIONING.14 SECTION 3DESIGN,
19、 INSTALLATION AND COMMISSIONING OF HEATED WATER SYSTEMS 3.1GENERAL.15 3.2HOT WATER SYSTEMS15 3.3WARM WATER ABLUTION SYSTEMS15 3.4COMMISSIONING.16 SECTION 4DESIGN, INSTALLATION AND COMMISSIONING OF COOLING WATERSYSTEMS 4.1GENERAL.17 4.2PUMPS18 4.3LOCATION.18 4.4DRIFT CONTROL18 4.5CONTROL OF SOLIDS18
20、4.6SUNLIGHT .19 4.7COMMISSIONING.19 Licensed to Marley Temcel Australia on 11 Sep 2003. 1 user personal user licence only. Storage, distribution or use on network prohibited. AS/NZS 3666.1:20024 FOREWORD Microbes abound in the natural environment and are normally present in low concentration level t
21、hroughout buildings. Building systems are not sterile and will always contain some microbes. Generally, health hazards, which can lead to infections such as legionnaires disease or Pontiac fever, or allergic reactions such as humidifier fever, are created only when these microbes multiply to high co
22、ncentrations. The three main categories of microbes that can be found in building environment are viruses, fungi and bacteria. Viruses are the simplest form of microorganism (microbe) but they can only reproduce within other living cells. The sources for viral transmission are the occupants rather t
23、han the building services. On the other hand, fungi and bacteria can colonize in building services if moisture and organic nutrients are present. Fungi (e.g. mould) attach to hard surfaces and are readily able to grow in conditions of high humidity as they extract their moisture from the air. Fortun
24、ately, they are readily controlled by the normal principles of hygiene, such as keeping surfaces dry, and by regular cleaning and disinfection with a mild bleaching agent. While fungi are difficult to eliminate, they will germinate only when moisture returns. Examples of systems that are only interm
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