BS EN 1455-1-2000 Plastics piping systems for soil and waste (low and high temperature) within the building structure Acrylonitrile-butadiene-styrene (ABS) Specifications for pipes.pdf
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1、BRITISH STANDARD BS EN 1455-1:2000 Incorporating Corrigendum No. 1 Plastics piping systems for soil and waste (low and high temperature) within the building structure Acrylonitrile- butadiene-styrene (ABS) Part 1: Specifications for pipes, fittings and the system The European Standard EN 1455-1:1999
2、 has the status of a British Standard ICS 23.040.01; 83.140.30; 91.140.80 BS EN 1455-1:2000 This British Standard, having been prepared under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Comm
3、ittee on 15 February 2000 BSI 30 October 2002 ISBN 0 580 35937 9 National foreword This British Standard is the official English language version of EN 1455-1:1999. It is one of a group of EN standards which each partially supersede BS 5255:1989. BS 5255:1989 will be declared obsolescent with effect
4、 from 2001-06-30. NOTE In the UK this date is being applied to coordinate the change-over to European Standards for plastics piping systems for this application and any consequent revision, declaration of obsolescence or withdrawal of the corresponding British Standards which are being superseded. P
5、roducts conforming to BS EN 1455-1 will be compatible with those of the same size in accordance with BS 5255:1989. The nominal sizes DN/OD 36, 43 and 55 correspond exactly with the 1 , 1 and 2 sizes respectively in BS 5255:1989. Since EN 1455-1:1999 does not cover all the piping components covered b
6、y or used in conjunction with products conforming to BS 5255, see BS 4514:1983 and its planned revision for the UK requirements for the minimum opening dimensions of access fittings, design of swept fittings, for connectors to WC pans and stand-off dimensions of pipe and fitting clips. The UK partic
7、ipation in the preparation of EN 1455-1:1999 was entrusted by Technical Committee PRI/61, Plastics piping systems and components, to Subcommittee PRI/61/1, Thermoplastics piping systems and components for non-pressure applications, which has the responsibility to: A list of organizations represented
8、 on this committee can be obtained on request to its secretary. The responsible UK committee gives the following advice concerning the selection of alternative test conditions provided in this standard. a) Table 17, as referred to in 8.1, appears to present two alternative test conditions, i.e. meth
9、od A or method B of EN 743:1994, without identifying where they apply or which is the reference method in case of dispute. Since these alternative test conditions might lead to conflicting results, users of this standard should declare or agree on a contractual basis which condition is to be the ref
10、erence condition in case of dispute. b) In Table 21, reference is made to a specific point of detail in the current edition of EN 921, i.e. “types a or b” end caps, and therefore: 1) the reference should be construed as relating to the current (1995) edition, as though the reference in Table 21 and
11、hence also in clause 2, was dated accordingly; 2) since alternative test conditions are permitted which might lead to conflicting results, depending on the choice of end caps, users of this standard should declare or agree on a contractual basis which condition is to be the reference condition in ca
12、se of dispute. The responsible UK committee gives the following advice concerning the specification of piping components used with piping systems conforming to this British Standard but not detailed in EN 1455-1:1999. aid enquirers to understand the text; present to the responsible international/Eur
13、opean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Amendments issued since publication Amd. No. Date Comments 13818 Corrigendum No. 1 30 October 2002
14、Revision of national forewordBS EN 1455-1:2000 BSI 30 October 2002 i c) See BS 4514:2001 for the UK requirements for the minimum opening dimensions of access fittings, design of swept fittings, connectors to WC pans, stand-off dimensions of pipe and fitting brackets and requirements for adaptors and
15、 plugs. Reference should also be made to the following design requirements of BS 4514:2001, 5.3.1, 5.3.3, 5.3.5, 5.3.7, 5.3.8, 5.3.9, and Figures 6, 8 and 9. Analogous provisions apply in Scotland and Northern Ireland. d) For external installation, which is commonplace and remains allowed in the UK,
16、 EN 1455-1:1999 only requires that additional requirements depending on the climate be agreed between the manufacturer and the user (in clause 14: otherwise, in line with European practice, EN 1455-1:1999 only gives specific requirements for products for discharge systems intended to be installed wi
17、thin buildings.) If the product is to be installed externally, it may require protection by painting or some other means. The responsible UK committee gives the following advice concerning the selection and installation of piping systems and components conforming to this British Standard. e) The pro
18、ducts should only be used in application area B, i.e. suspended from brackets above ground and installed in accordance with BS 5572 using the N socket variants as specified. For external installation, see item d) of this foreword. The advice of the manufacturer of products conforming to BS EN 1455-1
19、 should be sought accordingly. f) In respect of fire regulations (see 4.4), for England and Wales The Building Regulations 1991, Approved Document B3, Section 10 requires that where ABS pipe with an internal diameter greater than 40 mm (1 ”) penetrates a fire wall, floor or enclosure the point of pe
20、netration is protected by a proprietary fire seal. This seal must be certificated by third party testing to show that it is effective with ABS pipes. Analogous provisions apply in Scotland and Northern Ireland respectively. Editorial note: Reference to regulations In 4.4 the only “requirement” is th
21、at “pipes and fittings. shall conform to any relevant requirements on fire regulations”. Since the authority for such requirements lies with national regulators and not with standards organizations, which do not have the power to waive regulations even should they so wish, this type of information i
22、n standards should be presented as a note, or as a statement in a foreword or introduction. As information it can refer in general or specific terms to the existence of current regulations/legislation/directives applicable to the products or the conditions of their use. The expression here as part o
23、f the normative text is inappropriate and should not be considered an acceptable precedent for other standards to follow. Warning This British Standard, which is identical with EN 1455-1:1999, does not necessarily detail all the precautions necessary to meet the requirements of the Health and Safety
24、 at Work etc. Act 1974. Attention should be paid to any appropriate safety precautions and the test methods referred to in EN 1455-1 should be operated only by trained personnel. Cross-references The British Standards which implement international or European publications referred to in this documen
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