EN 15978-2011 en Sustainability of construction works - Assessment of environmental performance of buildings - Calculation method《建筑工程的可持续性建筑环境性能评估计算方法》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 15978:2011Sustainability of constructionworks Assessment ofenvironmental performanceof buildings CalculationmethodIncorporating corrigendum November 2011BS EN 15978:2011 BR

2、ITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15978:2011.The UK participation in its preparation was entrusted to TechnicalCommittee B/558, Sustainability of construction works.A list of organizations represented on this committee can beobtained on request to it

3、s secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication.ISBN 978 0 580 77403 4ICS 91.040.99Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published

4、under the authority of theStandards Policy and Strategy Committee on 30 November 2011.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e d31 January 2012 Implementation of CEN Correction Notice23 November 2011 The British Standards Institution 2012CEN Correction Notice 23 Novem

5、ber 2011 provided a revised English language text, incorporating the following editoral corrections: in tables 6, 7, 8 and 9, B3 has been corrected to read Repairand B4 has been corrected to read Replacement; two sentences have been added to the beginning of Clause9.4.2.BS EN 15978:2011EUROPEAN STAN

6、DARD NORME EUROPENNE EUROPISCHE NORM EN 15978 November 2011 ICS 91.040.99 English Version Sustainability of construction works - Assessment of environmental performance of buildings - Calculation method Contribution des ouvrages de construction au dveloppement durable - Evaluation de la performance

7、environnementale des btiments - Mthode de calcul Nachhaltigkeit von Bauwerken - Bewertung der umweltbezogenen Qualitt von Gebuden - Berechnungsmethode This European Standard was approved by CEN on 13 August 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipula

8、te the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Sta

9、ndard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the na

10、tional standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switz

11、erland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No.

12、EN 15978:2011: E2 Contents Page Foreword 4Introduction .51 Scope 72 Normative references 73 Terms and definitions .84 Abbreviations 135 The process for setting up the calculations required for the assessment . 146 Purpose of the assessment . 167 Specification of the object of assessment . 167.1 Gene

13、ral . 167.2 Functional equivalent . 177.3 Reference study period 187.4 System boundary 197.4.1 General . 197.4.2 Boundary of the Product Stage (Modules A1 to A3) . 207.4.3 Boundaries of the Construction Process Stage (Modules A4 and A5) . 207.4.4 Boundaries of the use stage (Modules B1 - B7) 227.4.5

14、 Boundary of the end of life stage (Modules C1-C4) 277.4.6 Boundary for the benefits and loads beyond the system boundary (Module D) . 297.5 The building model . 307.5.1 Purpose and information needed 307.5.2 Description of the physical characteristics of the building . 308 Scenarios for defining th

15、e building life cycle 318.1 General . 318.2 Requirements for scenarios 328.3 Time-related characteristics and associated scenarios . 328.3.1 General . 328.3.2 Climate conditions 328.3.3 Other specific requirements for scenarios 328.4 Scenarios for the product stage (Modules A1 to A3) 338.5 Scenarios

16、 for the construction process stage (Modules A4-A5) . 338.6 Scenarios for Use stage (modules B1 to B7) . 338.6.1 General . 338.6.2 Scenario related to use stage (except energy and water) - Module B1 . 348.6.3 Scenarios for maintenance, repair, replacement - Module B2, B3 and B4 . 348.6.4 Scenarios f

17、or refurbishment - Module B5 348.6.5 Scenarios for operational energy use - Module B6 . 358.6.6 Scenarios for operational water use (Module B7) . 358.7 Scenarios for the end of life stage (Modules C1 to C4) 358.7.1 General . 358.7.2 Scenarios for deconstruction - Module C1 358.7.3 Scenarios for tran

18、sport - Module C2. 368.7.4 Scenarios for waste processing for reuse, recycling and energy recovery - Module C3 . 368.7.5 Scenarios for disposal - Module C4 368.8 Scenarios for benefits and loads beyond the system boundary - Module D . 369 Quantification of the building and its life cycle . 369.1 Gen

19、eral . 36BS EN 15978:2011 EN 15978:2011 (E)3 9.2 Specification net amount 369.3 Accounting for the gross amount 369.3.1 General . 369.3.2 Components that will not be replaced under defined conditions 379.3.3 Replaceable components and number of replacements . 379.4 Type of data for the assessment .

20、389.4.1 General . 389.4.2 Data quality and demands for completeness . 399.4.3 Criteria for the exclusion of inputs and outputs 399.5 Quantification specific to operational energy use . 399.6 Quantification specific to operational water use . 4010 Selection of environmental data and other information

21、 - Use of Environmental Product Declaration(s) . 4010.1 General . 4010.2 Scenarios for the building 4110.2.1 General . 4110.2.2 Adaptation of cradle to gate (product stage) information . 4110.2.3 Adaptation from gate to grave information (Modules A4 to C4) and Module D 4110.3 Data quality 4210.4 Con

22、sistency . 4211 Calculation of the environmental indicators 4211.1 Environmental impacts and aspects and related indicators 4211.1.1 General . 4211.1.2 Indicators describing environmental impacts 4311.1.3 Indicators describing resource use . 4311.1.4 Indicators describing additional environmental in

23、formation . 4411.2 Calculation methods . 4412 Reporting of the assessment of results 4612.1 General information on the assessment . 4612.2 General information on the object of assessment . 4612.3 Statement of boundaries and scenarios used in the assessment . 4712.4 Data sources 4712.5 List of indica

24、tors used for assessment and expression of results 4712.6 Communication of assessment results 5113 Verification of results 52Annex A (informative) Building description . 53Annex B (informative) Exported energy - Case studies 55B.1 General . 55B.2 Case 1 . 55B.3 Case 2 . 56B.4 Case 3 . 57B.5 Case 4 .

25、 58Bibliography 60BS EN 15978:2011 EN 15978:2011 (E)4 Foreword This document (EN 15978:2011) has been prepared by Technical Committee CEN/TC 350 “Sustainability of construction works”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard,

26、 either by publication of an identical text or by endorsement, at the latest by May 2012, and conflicting national standards shall be withdrawn at the latest by May 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or

27、CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Re

28、public, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 15978:2011 EN 15978:2011 (E)5 Introduction

29、The purpose of this European Standard is to provide calculation rules for the assessment of the environmental performance of new and existing buildings. This European Standard is part of a suite of European Standards, Technical Specifications and Technical Reports for the assessment of the environme

30、ntal performance of buildings that together support quantification of the contribution of the assessed building to sustainable construction and sustainable development. The environmental performance of a building is only one aspect of its sustainability. The social and economic performance of the bu

31、ilding are also aspects of sustainability that should be assessed as part of a sustainability assessment. These are described in the framework standards (EN 15643-1, -2, and EN 15643-3, -4). NOTE The environmental assessment at building level requires information from products and services (EN 15804

32、). The evaluation of technical and functional performance is beyond the scope of this European Standard. Technical and functional characteristics are taken into account here by reference to the functional equivalent, which also forms a basis for comparison of the results of assessments. This Europea

33、n Standard is intended to support the decision-making process and documentation of the assessment of the environmental performance of a building. Although the assessment results are based on realistic scenarios, they may not fully reflect the actual and future performance of the building. Figure 1 i

34、llustrates how the assessment of the environmental performance takes place within the concept of the sustainability assessment of buildings. Figure 1 Concept of sustainability assessment of buildings BS EN 15978:2011 EN 15978:2011 (E)6 In this European Standard, the assessment method for the quantit

35、ative evaluation of the environmental performance of the building is based on a life cycle approach. The general requirements for sustainability assessment of buildings are described in EN 15643-1 (the general framework standard). Other requirements for the assessment of environmental performance ar

36、e given in EN 15643-2. Other standards developed by CEN/TC 350 in this area, and how they are related to this European Standard, are shown in Figure 2. Figure 2 Work program of CEN/TC 350 NOTE The grey boxes represent the work programme as presented in EN 15643-1. BS EN 15978:2011 EN 15978:2011 (E)7

37、 1 Scope This European Standard specifies the calculation method, based on Life Cycle Assessment (LCA) and other quantified environmental information, to assess the environmental performance of a building, and gives the means for the reporting and communication of the outcome of the assessment. The

38、standard is applicable to new and existing buildings and refurbishment projects. The standard gives: the description of the object of assessment; the system boundary that applies at the building level; the procedure to be used for the inventory analysis; the list of indicators and procedures for the

39、 calculations of these indicators; the requirements for presentation of the results in reporting and communication; and the requirements for the data necessary for the calculation. The approach to the assessment covers all stages of the building life cycle and is based on data obtained from Environm

40、ental Product Declarations (EPD), their “information modules“ (EN 15804) and other information necessary and relevant for carrying out the assessment. The assessment includes all building related construction products, processes and services, used over the life cycle of the building. The interpretat

41、ion and value judgments of the results of the assessment are not within the scope of this European Standard. 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,

42、 the latest edition of the referenced document (including any amendments) applies. EN 15603, Energy Performance of Buildings Overall energy use and definition of energy ratings EN 15643-1, Sustainability of construction works Sustainability assessment of buildings Part 1 General Framework EN 15643-2

43、, Sustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance EN 15643-3, Sustainability of construction works - Assessment of buildings - Part 3: Framework for the assessment of social performance EN 15643-4, Sustainability of c

44、onstruction works - Assessment of buildings - Part 4: Framework for the assessment of economic performance EN 15804, Sustainability of construction works - Environmental product declarations - Core rules for the product category of construction products ISO 15392, Sustainability in Building Construc

45、tion - General Principles ISO 15686-1:2010, Building and constructed assets Service life planning Part 1: General principles BS EN 15978:2011 EN 15978:2011 (E)8 ISO 15686-2, Building and constructed assets Service life planning Part 2: Service life prediction procedures ISO 15686-7, Building and con

46、structed assets Service life planning Part 7: Performance evaluation for feedback of service life data from practice ISO 15686-8, Building and constructed assets Service life planning Part 8: Reference service life and service-life estimation 3 Terms and definitions For the purposes of this document

47、, the following terms and definitions apply. 3.1 building construction works that have the provision of shelter for its occupants or contents as one of its main purposes and are usually enclosed and designed to stand permanently in one place ISO 6707-1:2004 3.2 building fabric all construction produ

48、cts that are fixed to the building in a permanent manner, so that the dismantling of the product changes the performance of the building and the dismantling or replacement of the product constitute construction operations 3.3 building-integrated technical system installed technical equipment to supp

49、ort the operation of a building NOTE This includes the technical building system and other systems e.g. for sanitation, security, fire safety, internal transport and building automation and control and IT communications, climate control systems and installations. 3.4 building site specified area of land where a building is located or is defined to be