BS-8217-2005.pdf
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1、BRITISH STANDARD BS 8217:2005 Reinforced bitumen membranes for roofing Code of practice ICS 91.060.20 ? Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:02:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8217:2005 This British Standard was published under the
2、 authority of the Standards Policy and Strategy Committee on 26 January 2005 BSI 26 January 2005 First published (as CP 144.101), September 1952 Second edition, July 1961 First published as CP 144-1, Imperial units, June 1968 Published in metric form as Part 3, 1970 First published as BS 8217, June
3、1994 Second edition, January 2005 The following BSI references relate to the work on this British Standard: Committee reference B/546/3 Draft for comment 03/309494 DC ISBN 0 580 45116 X Committee responsible for this British Standard The preparation of this British Standard was entrusted by Technica
4、l Committee, B/546, Flexible sheets for water and water vapour control, to Subcommittee B/546/3, Built-up bitumen roof covering, upon which the following bodies were represented: Association of British Roofing Felt Manufacturers Association of Building Component Manufacturers Flat Roofing Alliance N
5、ational Federation of Roofing Contractors NHBC National House-Building Council Office of the Deputy Prime Minister British Board of Agrment Office of the Deputy Prime Minister Building Research Establishment Royal Institute of British Architects Amendments issued since publication Amd. No.DateCommen
6、ts Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:02:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8217:2005 BSI 26 January 2005 i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Normative references1 3Terms and definitions2 4Ex
7、change of information4 5Materials4 6General design considerations15 7Design of reinforced bitumen membrane roofing20 8Sitework40 9Inspection, testing and protection49 10Maintenance and repair49 Annex A (normative) Methods of attachment of reinforced bitumen membrane roofing and surface protection52
8、Bibliography55 Table 1 Types and uses of thermal insulation8 Table 2 Grades of bitumen used in reinforced bitumen membrane roofing13 Table 3 Types of roof surface protection19 Table 4 Types of roof surface protection Specific applications19 Table 5 Batten centres for pitched BUR roofs24 Table A.1 Ho
9、t roll-and-pour and torch-on methods of application52 Table A.2 Cold adhesion method of application53 Table A.3 Attachment of vapour control layers54 Figure 1 Nailing reinforced bitumen membranes on slopes over 10 and up to 2524 Figure 2 Nailing reinforced bitumen membranes on slopes from 25 to 6025
10、 Figure 3 Nailing reinforced bitumen membranes on slopes from 60 to vertical26 Figure 4 General arrangement and detail locations27 Figure 5 Upstand Warm deck roof29 Figure 6 Upstand Inverted roof31 Figure 7 Independent upstand beneath cladding32 Figure 8 Change in roof level at riser or side of trou
11、gh gutter33 Figure 9 Eaves detail34 Figure 10 Verge/check edge34 Figure 11 Mansard edge35 Figure 12 Pitched roof abutment36 Figure 13 Rainwater outlet37 Figure 14 Cold pipe penetration38 Figure 15 Movement joint Twin kerb39 Figure 16 Parapet wall with coping detail40 Figure 17 Multi-layer lapping47
12、Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:02:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8217:2005 ii BSI 26 January 2005 Foreword This British Standard has been prepared by Subcommittee B/546/3, under the direction of Technical Committee B/546. It
13、 supersedes BS 8217:1994, which is now withdrawn. Products covered by this standard are commonly referred to as “roofing felts”, but the new European product standard (prEN 13707) will refer to them as “flexible bitumen sheets for roof waterproofing”. The finalized title of this standard needs to be
14、 understood clearly by the UK construction industry, and will hence refer to “reinforced bitumen membranes for roofing”. BS 6229:2003 gives recommendations on the design of flat roofs combining various types of continuously supported roof covering, insulation materials and roof decks. This British S
15、tandard gives detailed recommendations for reinforced bitumen membrane roofing on roofs designed to conform to BS 6229:2003. Much of the information is equally relevant to reinforced bitumen membrane roofing on sloping roofs also covered by this code. A flat roof typically comprises a ceiling, struc
16、tural supports, roof deck, waterproof covering and surface protection, and incorporates insulation and drainage. It might support ancillary items such as engineering equipment, hand railing and lightning conductors. It is recognized that this standard might not fully cover all types of reinforced bi
17、tumen membranes or application techniques. For convenience, recommendations for methods of attachment and recommendations for reinforced bitumen membrane roofing of different grades are given in Annex A. It has been assumed in drafting this British Standard that construction will be carried out by t
18、rained operatives, who have sufficient training and awareness to work safely on flat roofing projects, under the direction of qualified supervisors. This British Standard calls for the use of substances and/or procedures that may be injurious to health if adequate precautions are not taken. It refer
19、s only to technical suitability and does not absolve the user from legal obligations relating to health and safety at any stage. Attention is drawn to all pertinent current Health and Safety Executive publications, including Health and safety in roofing 1, Test for fragility 2, The management of hea
20、lth and safety in construction 3; and also to the Building regulations 4 published by The Stationery Office, and the Roofing handbook 5 published by the Flat Roofing Alliance. The European Product Standard for waterproofing membranes (prEN 13707) is currently in preparation; when this is introduced,
21、 BS 747:2000 will be withdrawn. Therefore, a new standard (to be numbered BS 8747) is being drafted, in the form of a specification and selection guide, to assist the UK specifier to select the correct layers in a reinforced bitumen membrane system for maximum performance and longevity. As a code of
22、 practice, this British Standard (BS 8217) takes the form of guidance and recommendations. It should not be quoted as if it were a specification and particular care should be taken to ensure that claims of compliance are not misleading. This publication does not purport to include all the necessary
23、provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 55, and a back cover. T
24、he BSI copyright notice displayed in this document indicates when the document was last updated. Licensed Copy: London South Bank University, London South Bank University, Fri Dec 08 06:02:24 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 8217:2005 BSI 26 January 2005 1 1 Scope This British Standard
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