New NZS 4541: Automatic fire sprinkler · PDF file 1995. 1. 17. · NZS 4541 :2007...

Click here to load reader

  • date post

    18-Apr-2021
  • Category

    Documents

  • view

    0
  • download

    0

Embed Size (px)

Transcript of New NZS 4541: Automatic fire sprinkler · PDF file 1995. 1. 17. · NZS 4541 :2007...

  • Magna Carta—Tūtohinga Nui

    We will sell to no man, we will not deny or defer to any man either justice or right.

    Kore rawa e hoko ki te tangata, e kore e whakakāhoretia,

    e tautuku rānei te tangata ki te ture, tika ranei.

    NZS 4541 (2007) (English): Automatic fire sprinkler systems [By Authority of New Zealand Fire Safety and Evacuation of Buildings Regulations 2006 (SR 2006/123)]

  • STANDARDS NEW ZEALAND

    P A ER E WA AOT EA ROA

    NZS 4541:2007 Incorporating Amendment NO.1

    New Zealand Standard

    Automatic Fire Sprinkler Systems

  • )

    )

  • NZS 4541 :2007

    Incorporating Amendment No.1

    New Zealand Standard

    Automatic Fire Sprinkler Systems (Superseding NZS 4541 :2003)

    ISBN 978-1-86975-075-6

  • COMMITTEE REPRESENTATION This Standard was prepared under the supervision of the Automatic Fire Sprinkler Systems Committee (P 4541) for the Standards Council established under the Standards Act 1988.

    The Committee consisted of representatives of the following nominating organisations:

    Nominating Organisation Automatic fire sprinkler systems community of interest BRANZ Ltd Cement and Concrete Association of New Zealand Cement and Concrete Association of New Zealand

    Corporation of Insurance Brokers of New Zealand Department of Building and Housing (DBH) Fire Protection Association, New Zealand (FPA NZ) Fire Protection Association, New Zealand (FPA NZ) Fire Protection Association, New Zealand (FPA NZ) Fire Protection Industry Contractor's Association

    of New Zealand Fire Protection Inspection Services (FPIS) Institute of Professional Engineers New Zealand Inc (IPENZ) Institution of Fire Engineers

    Insurance Council of New Zealand Master Plumbers, Gasfitters and Drainlayers (NZ) Inc. New Zealand Fire Equipment Association Inc. New Zealand Fire Equipment Association Inc. Co-opted

    by Standards New Zealand from June 2007 New Zealand Fire Service New Zealand Fire Service Property Council of New Zealand

    Committee Member Neil O'Dea Ed Soja Dene Cook (From May 2006) Chris Munn (November 2004 to May 2006) Geoff Broadhead Nick Saunders

    Ian Makgill (October 2004 to June 2005) Tim O'Brien (From June 2005) John Powell Brent Cooper

    Brent Houston Michael Dunn Peter Hughes Robin McRae (From February 2005) Eric Palmer

    Dave Hipkins (From June 2007) Chris Mak (Chair)

    Alistair Henderson Murray Kidd Antony Walker

    Society of Fire Protection Engineers New Zealand Chapter Neil Gravestock

    and other individuals who were co-opted onto the committee by Standards New Zealand.

    ACKNOWLEDGEMENT Standards New Zealand gratefully acknowledges the financial support provided by the Department of Building and Housing, the Fire Protection Association New Zealand, the Insurance Council of New Zealand and the New Zealand Fire Service.

    In particular we wish to thank Factory Mutual Global (FM Global) and Standards Australia for generously supplying material from their organisational resources for use in this Standard.

    COPYRIGHT The copyright of this document is the property of the Standards Council. No part of it may be reproduced by photocopying or by any other means without the prior written permission of the Chief Executive of Standards New Zealand unless the circumstances are covered by Part III of the Copyright Act 1994.

    The copyright has been waived for a number of forms within this Standard. These are marked 'copyright waived'.

    Standards New Zealand will vigorously defend the copyright in this Standard. Every person who breaches Standards New Zealand's copyright may be liable to a fine not exceeding $50,000 or to imprisonment for a term not to exceed three months. If there has been a flagrant breach of copyright, Standards New Zealand may also seek additional damages from the infringing party, in addition to obtaining injunctive relief and an account of profits.

    Published by Standards New Zealand, the trading arm of the Standards Council, Private Bag 2439, Wellington 6140. Telephone: (04) 498 5990, Fax: (04) 4985994, Website: www.standards.co.nz.

    Cover photo by courtesy of Wormald.

  • NZS 4541 : 2007

    Contents

    Committee representation ................................................................................................................... I FC Acknowledgement ............................................................................................................................... IFC Copyright ............................................................................................................................................. IFC Referenced documents ........................................................................................................................ xiii Latest revisions ................................................................................................................................... xvii Foreword ............................................................................................................................................. xviii

    SCOPE AND GENERAL INFORMATION 101 1-1 102 Interpretation ................................................................................................................... 1-1 103 Definitions ....................................................................................................................... 1-1 104 Inspection, testing and maintentance ............................................................................. 1-8 1 05 Seismic resistance .......................................................................................................... 1-8 106 Workmanship .................................................................................................................. 1-8 107 Typical arrangements ..................................................................................................... 1-8 108 Welding ........................................................................................................................... 1-9 109 Hydrostatic tests ............................................................................................................. 1-9 110 Roles and responsibilities of SSC ................................................................................. 1-1 0 111 Formal interpretations ................................................................................................... 1-11 112 Sprinkler system certificate of compliance methodology .............................................. 1-11 113 Listing of contractors ..................................................................................................... 1-14 114 Listing of equipmenL. ................................................................................................... 1-15 115 Existing installations ..................................................................................................... 1-15 116 Withdrawal of listing ...................................................................................................... 1-16

    2 BASIC RULES OF DESIGN 201 Installer to be listed ......................................................................................................... 2-1 202 Minimum required discharge and design flow ................................................................ 2-1 203 Determination of fire hazard ........................................................................................... 2-1 204 Extent of sprinkler protection .......................................................................................... 2-9 205 Fire loads adjoining, linked, or adjacent to the sprinkler protected building or

    sprinkler protected firecell ............................................................................................. 2-1 0 206 Water supply requirements for external sprinklers and internal drenchers .................. 2-15 207 Permitted exceptions from sprinklering ........................................................................ 2-16 208 Provision of hand operated fire fighting appliances ..................................................... .2-19 209 Provision of block plan .................................................................................................. 2-19 210 Provision of water supply reference information ........................................................... 2-20 211 Multi-storeyed buildings ................................................................................................ 2-24 212 Buildings constructed with expanded plastic cored insulated panels ........................... 2-24

    3 TYPES OF INSTALLATIONS 301 General ........................................................................................................................... 3-1 302 Conventional sprinkler installations ................................................................................ 3-1 303 Deluge installations ....................................................................................................... 3-10 304 Water mist installations ................................................................................................. 3-11 305 Methods to determine water delivery for gas filled sprinkler installations .................... 3-12

    4 SYSTEM COMPONENTS 401 General ........................................................................................................................... 4-1 402 Sprinklers ..................................................