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 Text affected31 January 2012 Implementation of CEN Correction Notice23 November 2011 The British Standards Institution 2012CEN Correction Notice 23 November 2011 p
5、rovided 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 STANDARD NORME
6、 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 environnem
7、entale 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 stipulate the con
8、ditions 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 Standard exis
9、ts 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 national sta
10、ndards 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, Switzerland and
11、 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. EN 15978:2
12、011: E2 Contents Page Foreword 4g3Introduction .5g31 Scope 7g32 Normative references 7g33 Terms and definitions .8g34 Abbreviations 13g35 The process for setting up the calculations required for the assessment . 14g36 Purpose of the assessment . 16g37 Specification of the object of assessment . 16g3
13、7.1 General . 16g37.2 Functional equivalent . 17g37.3 Reference study period 18g37.4 System boundary 19g37.4.1 General . 19g37.4.2 Boundary of the Product Stage (Modules A1 to A3) . 20g37.4.3 Boundaries of the Construction Process Stage (Modules A4 and A5) . 20g37.4.4 Boundaries of the use stage (Mo
14、dules B1 - B7) 22g37.4.5 Boundary of the end of life stage (Modules C1-C4) 27g37.4.6 Boundary for the benefits and loads beyond the system boundary (Module D) . 29g37.5 The building model . 30g37.5.1 Purpose and information needed 30g37.5.2 Description of the physical characteristics of the building
15、 . 30g38 Scenarios for defining the building life cycle 31g38.1 General . 31g38.2 Requirements for scenarios 32g38.3 Time-related characteristics and associated scenarios . 32g38.3.1 General . 32g38.3.2 Climate conditions 32g38.3.3 Other specific requirements for scenarios 32g38.4 Scenarios for the
16、product stage (Modules A1 to A3) 33g38.5 Scenarios for the construction process stage (Modules A4-A5) . 33g38.6 Scenarios for Use stage (modules B1 to B7) . 33g38.6.1 General . 33g38.6.2 Scenario related to use stage (except energy and water) - Module B1 . 34g38.6.3 Scenarios for maintenance, repair
17、, replacement - Module B2, B3 and B4 . 34g38.6.4 Scenarios for refurbishment - Module B5 34g38.6.5 Scenarios for operational energy use - Module B6 . 35g38.6.6 Scenarios for operational water use (Module B7) . 35g38.7 Scenarios for the end of life stage (Modules C1 to C4) 35g38.7.1 General . 35g38.7
18、.2 Scenarios for deconstruction - Module C1 35g38.7.3 Scenarios for transport - Module C2. 36g38.7.4 Scenarios for waste processing for reuse, recycling and energy recovery - Module C3 . 36g38.7.5 Scenarios for disposal - Module C4 36g38.8 Scenarios for benefits and loads beyond the system boundary
19、- Module D . 36g39 Quantification of the building and its life cycle . 36g39.1 General . 36g3BS EN 15978:2011 EN 15978:2011 (E)3 9.2 Specification net amount 36g39.3 Accounting for the gross amount 36g39.3.1 General . 36g39.3.2 Components that will not be replaced under defined conditions 37g39.3.3
20、Replaceable components and number of replacements . 37g39.4 Type of data for the assessment . 38g39.4.1 General . 38g39.4.2 Data quality and demands for completeness . 39g39.4.3 Criteria for the exclusion of inputs and outputs 39g39.5 Quantification specific to operational energy use . 39g39.6 Quant
21、ification specific to operational water use . 40g310 Selection of environmental data and other information - Use of Environmental Product Declaration(s) . 40g310.1 General . 40g310.2 Scenarios for the building 41g310.2.1 General . 41g310.2.2 Adaptation of cradle to gate (product stage) information .
22、 41g310.2.3 Adaptation from gate to grave information (Modules A4 to C4) and Module D 41g310.3 Data quality 42g310.4 Consistency . 42g311 Calculation of the environmental indicators 42g311.1 Environmental impacts and aspects and related indicators 42g311.1.1 General . 42g311.1.2 Indicators describin
23、g environmental impacts 43g311.1.3 Indicators describing resource use . 43g311.1.4 Indicators describing additional environmental information . 44g311.2 Calculation methods . 44g312 Reporting of the assessment of results 46g312.1 General information on the assessment . 46g312.2 General information o
24、n the object of assessment . 46g312.3 Statement of boundaries and scenarios used in the assessment . 47g312.4 Data sources 47g312.5 List of indicators used for assessment and expression of results 47g312.6 Communication of assessment results 51g313 Verification of results 52g3Annex A (informative) B
25、uilding description . 53g3Annex B (informative) Exported energy - Case studies 55g3B.1 General . 55g3B.2 Case 1 . 55g3B.3 Case 2 . 56g3B.4 Case 3 . 57g3B.5 Case 4 . 58g3Bibliography 60g3BS EN 15978:2011 EN 15978:2011 (E)4 Foreword This document (EN 15978:2011) has been prepared by Technical Committe
26、e 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, either by publication of an identical text or by endorsement, at the latest by May 2012, and conflicting national standards shall b
27、e 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 CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulatio
28、ns, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,
29、Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 15978:2011 EN 15978:2011 (E)5 Introduction The purpose of this European Standard is to provide calculation rules for the assessment of the environmental performance of new and
30、 existing buildings. This European Standard is part of a suite of European Standards, Technical Specifications and Technical Reports for the assessment of the environmental performance of buildings that together support quantification of the contribution of the assessed building to sustainable const
31、ruction and sustainable development. The environmental performance of a building is only one aspect of its sustainability. The social and economic performance of the building are also aspects of sustainability that should be assessed as part of a sustainability assessment. These are described in the
32、 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). The evaluation of technical and functional performance is beyond the scope of this European Standard. Technical and functional ch
33、aracteristics are taken into account here by reference to the functional equivalent, which also forms a basis for comparison of the results of assessments. This European Standard is intended to support the decision-making process and documentation of the assessment of the environmental performance o
34、f 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 illustrates how the assessment of the environmental performance takes place within the concept of the sustainability assessment of bu
35、ildings. 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 quantitative evaluation of the environmental performance of the building is based on a life cycle approach. The general requirements for su
36、stainability assessment of buildings are described in EN 15643-1 (the general framework standard). Other requirements for the assessment of environmental performance are 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
37、 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 1 Scope This European Standard specifies the calculation method, based on Life Cycle Assessment (LCA) and other quantified environm
38、ental 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 standard is applicable to new and existing buildings and refurbishment projects. The standard gives: the description of the object o
39、f 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 calculations of these indicators; the requirements for presentation of the results in reporting and communication; and the requirem
40、ents 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 Environmental Product Declarations (EPD), their “information modules“ (EN 15804) and other information necessary and relevant for carrying o
41、ut the assessment. The assessment includes all building related construction products, processes and services, used over the life cycle of the building. The interpretation and value judgments of the results of the assessment are not within the scope of this European Standard. 2 Normative references
42、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 document (including any amendments) applies. EN 15603, Energy Performance of Buildings Overall
43、 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, Sustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance
44、 EN 15643-3, Sustainability of construction works - Assessment of buildings - Part 3: Framework for the assessment of social performance EN 15643-4, Sustainability of construction works - Assessment of buildings - Part 4: Framework for the assessment of economic performance EN 15804, Sustainability
45、of construction works - Environmental product declarations - Core rules for the product category of construction products ISO 15392, Sustainability in Building Construction - General Principles ISO 15686-1:2010, Building and constructed assets Service life planning Part 1: General principles BS EN 1
46、5978:2011 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 constructed assets Service life planning Part 7: Performance evaluation for feedback of service life data from practice ISO 15686-8, Bu
47、ilding 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, the following terms and definitions apply. 3.1 building construction works that have the provision of shelter for its occupants or
48、 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 products that are fixed to the building in a permanent manner, so that the dismantling of the product changes the performance of the buil
49、ding and the dismantling or replacement of the product constitute construction operations 3.3 building-integrated technical system installed technical equipment to support 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 located a
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