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1、BRITISH STANDARD BS ISO 15686-6:2004 Buildings and constructed assets Service life planning Part 6: Procedures for considering environmental impacts ICS 91.040.01 ? Licensed Copy: London South Bank University, London South Bank University, Fri Mar 02 00:52:21 GMT+00:00 2007, Uncontrolled Copy, (c) B
2、SI BS ISO 15686-6:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 21 September 2004 BSI 21 September 2004 ISBN 0 580 44476 7 National foreword This British Standard reproduces verbatim ISO 15686-6:2004 and implements it as the UK nationa
3、l standard. The UK participation in its preparation was entrusted to Technical Committee B/500/3, Durability, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement int
4、ernational publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to inc
5、lude all the necessary 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. aid enquirers to understand the text; present to the responsible international/European committee any enqu
6、iries 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. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1
7、to 10, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No.DateComments Licensed Copy: London South Bank University, London South Bank University, Fri Mar 02 00:52:21 GMT+00:
8、00 2007, Uncontrolled Copy, (c) BSI Reference number ISO 15686-6:2004(E) INTERNATIONAL ADNATSDR ISO 168656- tide tsriFino 2004-09-01 Buildings and constructed assets Service life planning Part 6: Procedures for considering environmental impacts Btiments et biens immobiliers construits Prvision de la
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14、 ii BS ISO 156866:2004 Licensed Copy: London South Bank University, London South Bank University, Fri Mar 02 00:52:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSI iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bo
15、dies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental an
16、d non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives,
17、 Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies cas
18、ting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 15686-6 was prepared by Technical Committee ISO/TC 59, Building construction, Subcom
19、mittee SC 14, Design life. It is closely related to standards in the ISO 14000 series (environmental management). While it does not conflict with these, it complements them by describing how environmental management standards, especially ISO 14040, may be implemented in the context of ISO 15686. ISO
20、 15686 consists of the following parts, under the general title Buildings and constructed assets Service life planning: Part 1: General principles Part 2: Service life prediction procedures Part 3: Performance audits and reviews Part 5: Whole life costing Part 6: Procedures for considering environme
21、ntal impacts Part 7: Performance evaluation for feedback of service life data from existing construction works Part 8: Reference service life Part 4 is under preparation. BS ISO 156866:2004 Licensed Copy: London South Bank University, London South Bank University, Fri Mar 02 00:52:21 GMT+00:00 2007,
22、 Uncontrolled Copy, (c) BSI iv Introduction Buildings and other constructed assets will require care from the initial proposal through to design, construction, operation, maintenance and disposal if they are to meet the required levels of performance. ISO 15686-1 and ISO 15686-2 explain the principl
23、es of service life planning (SLP) for different types of constructed assets, components and assemblies. This part of ISO 15686 defines how and when to include environmental aspects into the design of a constructed asset. It provides a procedure for assessing the relative environmental impacts of des
24、ign options and it identifies the interface between environmental life cycle assessment (LCA) and SLP. The approach allows for consistent comparisons to be made between two or more design options taking the relevant factors from SLP into account. The target audience for this part of ISO 15686 includ
25、es the client, design professionals and consultants, and the entire decision supply chain represented in the design team. It will also be relevant to stakeholders and specialists providing information on service life and on environmental impacts. BS ISO 156866:2004 Licensed Copy: London South Bank U
26、niversity, London South Bank University, Fri Mar 02 00:52:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSI INTENRATIONAL TSANDADR IS-68651 O6:(4002E) 1 Buildings and constructed assets Service life planning Part 6: Procedures for considering environmental impacts 1 Scope This part of ISO 15686 describe
27、s how to assess, at the design stage, the potential environmental impacts of alternative designs of a constructed asset. It identifies the interface between environmental life cycle assessment and service life planning (SLP). NOTE In order to illustrate the context of ISO 15686-6, other performance
28、criteria are referred to, but they are not defined within its scope. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced do
29、cument (including any amendments) applies. ISO 6707-1, Building and civil engineering Vocabulary Part 1: General terms ISO/TR 14025, Environmental labels and declarations Type III environmental declarations ISO 14040, Environmental management Life cycle assessment Principles and framework 3 Terms an
30、d definitions For the purposes of this idocument, the terms and definitions given in ISO 6707-1, ISO/TR 14025, ISO 14040 and the following apply. 3.1 product produce of the building sector, from materials through components, elements and systems to entire buildings and constructed assets 3.2 design
31、option one of several product alternatives that is a candidate for inclusion into the design, including functionality and service provided 3.3 design team individuals involved in the decision-making process affecting the service life of the constructed asset BS ISO 156866:2004 Licensed Copy: London
32、South Bank University, London South Bank University, Fri Mar 02 00:52:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 2 3.4 environmental aspect element of an organizations activities or products or services that can interact with the environment ISO 14001:, definition 3.5 3.5 environmental impact any
33、 change to the environment, whether adverse or beneficial, wholly or partially resulting from an organizations environmental aspects ISO 14001:, definition 3.6 4 Description of the procedure for considering environmental impacts 4.1 General Environmental impacts associated with constructed assets ca
34、n be significant and should often be addressed in project planning. Every product has some impact on the environment. These impacts can occur at any or all phases of the products life cycle and can be local, regional or global, or a combination of all three. NOTE Improvements in one aspect of concer
35、n can lead to a reduction of performance in another field. This part of ISO 15686 does not give any recommendation concerning the balance between environmental and other aspects. 4.2 Integrating environmental assessment into SLP The assessment of environmental impacts of a design option should in mo
36、st practical cases be performed in parallel with technical and economic assessments. In general, these assessments have a common purpose: information about the product should be assessed in order to provide the decision maker, and other stakeholders, with comprehensive and reliable information about
37、 the products performance. As constructed assets have long service lives, some of the underlying information should be drawn from the product application context and from scenarios concerning technical and economic performance, as well as user- related aspects. The assessment deals with predicted pe
38、rformance, and may not give the same result as a post-life retrospective performance evaluation. The purpose of SLP is to create a realistic picture of the predicted performance and to make such performance scenarios more accurate. The early incorporation of internal and external interests, represen
39、ting a broad sphere of bodies from stakeholders to the planning team, will assist in successfully addressing environmental aspects. This early involvement in the setting and communication of environmental goals as well as participation in the assessment procedure decreases the potential of a conflic
40、t of interests. Results of environmental assessment are intended to allow the design team to include environmental aspects into their decision making. Comparing and assessing the relative environmental impacts of design options require detailed information about these options and the context of thei
41、r application. Usually, LCA-based environmental information about construction products and their supply chain can be acquired for early life cycle phases of these products (see Figure 3). Direct comparisons of product or design alternatives should include information concerning use phase and end of
42、 life (see ISO/TR 14025 and ISO 21930). Consequently, for later life cycle phases (scenarios from current position to end of life), the assessor will have to complete the information by adding estimates for the processes in the other significant life cycle phases. The service life should be predicte
43、d on the basis of product performance as well as the expected application context, where relevant. When integrating environmental assessment into SLP, the predicted service life of a design option should reflect the current application. The better the scenarios for service life, including maintenanc
44、e and exposure to deterioration processes, reflect the current situation and the more they are based on information determined with reference to other parts of ISO 15686, the more accurate the assessment will be. BS ISO 156866:2004 Licensed Copy: London South Bank University, London South Bank Unive
45、rsity, Fri Mar 02 00:52:21 GMT+00:00 2007, Uncontrolled Copy, (c) BSI 3 4.3 Positioning in project planning and the life cycle The exercise of SLP and environmental assessment may occur prior to, or during, any phase in the life cycle of a constructed asset. The clients brief as well as building reg
46、ulations have significant influence on the formulation of the initial concept for the project. Goals identified in regulations and the clients brief, paired with goals in the management routines of the parties represented in the project team can be translated into performance requirements. In relati
47、on to these requirements, a technical, economic and environmental assessment should be carried out, as indicated in Figure 1. Depending on the degree to which a design option fulfils the performance requirements, the project team can make the decision whether or not to include a design option. Again
48、, the level of detail of an assessment and the character of the underlying information depend on the current phase in project planning. Early in the planning process, as in the initial design stage, the information will be less accurate and more general and directional. Later, in detailed design, ma
49、ny decisions concerning the constructed asset have already been made and the assessment can be made in more detail. Meanwhile, the earlier the design team considers environmental matters, the easier it will be to identify design solutions that meet identified requirements. Decisions, as well as underlying information, should be well documented and ultimately be included in the project documentation. Figure 1 Technical, economic and e