07-30160342-DC.pdf
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1、a Date: 21 May 2007 Origin: National Latest date for receipt of comments: 31 August 2007 Project no.: 2006/03505 Responsible committee: FSH/12/4 Automatic operation of fire protection Interested committees: FSH/12, FSH/18, FSH/18/2 Title: Draft BS 7273-3 Code of practice for the operation of fire pr
2、otection measures Part 3 : Electrical actuation of pre-action watermist and sprinkler systems. Supersession information: If this document is published as a standard, it will supersede BS 7273-3:2000, which will be withdrawn. If you are aware of any other current standard that might be affected, plea
3、se notify the committee secretary (contact details below). WARNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 31 August 2007. This draft is issued to allow comments from interested parties; all comments will be given consideration prior
4、to publication. No acknowledgement will normally be sent. See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization
5、 for briefing purposes. Electronic circulation is limited to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email ordersbsi-. British, International and foreign standards
6、are also available from BSI Customer Services. British Standards on CD or Online are available from British Standards Publishing Sales Limited. Tel: 01344 404409 or email bsonlinetechindex.co.uk. Information on the co-operating organizations represented on the committees referenced above may be obta
7、ined from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Service on the BSI web site http:/www.bsi-. Direct tel: 020 8996 7164 Responsible Commi
8、ttee Secretary: Mr John Fisher (BSI) E-mail: john.fisherbsi- Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 6.1 DPC: 07/30160342 DC Licensed Copy: London South Bank University, London South Bank Universi
9、ty, Sun Jun 17 07:01:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI b Introduction Your comments on this draft are welcome and will assist in the preparation of the consequent British Standard. If no comments are received to the contrary, this draft may be implemented unchanged as a British Standard.
10、 Submission The guidance given below is intended to ensure that all comments receive efficient and appropriate attention by the responsible BSI committee. Annotated drafts are not acceptable and will be rejected. All comments must be submitted, preferably electronically, to the Content Developer: So
11、phie Watson E-mail: sophie.watsonbsi- Direct tel: 01473 407767 Comments should be compatible with Version 6.0 or Version 97 of Microsoft Word for Windows, if possible; otherwise comments in ASCII text format are acceptable. Any comments not submitted electronically should still adhere to these forma
12、t requirements. All comments submitted should be presented as given in the example below. Further information on submitting comments and how to obtain a blank electronic version of a comment form are available from the BSI web site at:http:/www.bsi- http:/www.bsi- Template for comments and secretar
13、iat observations Date: xx/xx/200x Document: ISO/DIS xxxxx 1 2 (3) 4 5 (6) (7) MB Clause No./ Subclause No./ Annex (e.g. 3.1) Paragraph/ Figure/Table/ Note (e.g. Table 1) Type of com- ment Comment (justification for change) by the MB Proposed change by the MB Secretariat observations on each comment
14、submitted 3.1 Definition 1 ed Definition is ambiguous and needs clarifying. Amend to read . so that the mains connector to which no connection . 6.4 Paragraph 2 te The use of the UV photometer as an alternative cannot be supported as serious problems have been encountered in its use in the UK. Delet
15、e reference to UV photometer. Microsoft and MS-DOS are registered trademarks, and Windows is a trademark of Microsoft Corporation. Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:01:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS 7273-3:2007 2006-03505 DPC.d
16、oc 1 Code of practice for the operation of fire protection measures Part 3: Electrical actuation of pre-action watermist and sprinkler systems DRAFT FOR PUBLIC COMMENT Please note that this is a draft and not a typeset document. Editorial comments are welcomed, but persons commenting on this draft a
17、re advised not to comment on detailed matters of typography and layout. Licensed Copy: London South Bank University, London South Bank University, Sun Jun 17 07:01:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS 7273-3:2007 2006-03505 DPC.doc 2 Contents Foreword 3 Introduction 5 1 Scope 7 2 Normati
18、ve references 7 3 Terms and definitions 7 4 System design 8 5 System interface 12 6 Power supplies, cables and wiring 15 7 Commissioning and handover 15 Annexes Annex A (informative) Example of an arrangement for c.i.e. with separate e.c.d. 17 Annex B (informative) Example of an arrangement for c.i.
19、e. with combined e.c.d. 18 Annex C (informative) Example of an arrangement for any coincidence logic provided within the c.i.e. 19 Annex D (informative) Example of an arrangement for any coincidence logic provided within the e.c.d. 20 Bibliography 21 List of figures Figure 1 Typical logic gate depic
20、tion of pre-action systems 6 Figure A.1 Example of an arrangement for c.i.e. with separate e.c.d. 17 Figure B.1 Example of an arrangement for c.i.e. with combined e.c.d. 18 Figure C.1 Example of an arrangement for any coincidence logic provided within the c.i.e. 19 Figure D.1 Example of an arrangeme
21、nt for any coincidence logic provided within the e.c.d. 20 List of tables Table 1 Maximum areas of coverage per point-type smoke detector to operate pre-action watermist and sprinkler systems in still air conditions 11 Licensed Copy: London South Bank University, London South Bank University, Sun Ju
22、n 17 07:01:10 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS 7273-3:2007 2006-03505 DPC.doc 3 Foreword Publishing information This part of BS 7273 is published by BSI and came into effect on XX Month 200X. It was prepared by Subcommittee FSH/12/4, Automatic operation of fire protection, under the aut
23、hority of Technical Committee FSH/12, Fire detection and alarm systems. A list of organizations represented on this committee can be obtained on request to its secretary. Relationship with other publications BS 7273 is published in a series of parts: Part 1: Electrical actuation of gaseous total flo
24、oding extinguishing systems; Part 2: Mechanical actuation of gaseous total flooding and local application extinguishing systems; Part 3: Electrical actuation of pre-action watermist and sprinkler systems; Part 4: Actuation of release mechanisms for doors; Part 5: Electrical actuation of watermist sy
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