Sustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance

This European Standard provides the specific principles and requirements for development of the methodologies, expressed through a suite of standards, for the assessment of environmental performance of buildings in terms of quantifiable environmental aspects and impacts, taking into account technical characteristics and functionality of a building. Assessment of environmental performance is one aspect of integrated assessment of building performance under the general framework of prEN 15643-1.

Nachhaltigkeit von Bauwerken - Bewertung der Nachhaltigkeit von Gebäuden - Teil 2: Rahmenbedingungen für die Bewertung der umweltbezogenen Qualität

Diese Europäische Norm ist Teil einer Reihe Europäischer Normen und enthält die spezifischen Grundsätze und Anforderungen an die Bewertung von Gebäuden hinsichtlich ihrer umweltbezogenen Qualität unter Berücksichtigung der technischen Eigenschaften und Funktionalität eines Gebäudes. Die Beschreibung der umweltbezogenen Qualität ist ein Aspekt der Nachhaltigkeitsbeschreibung von Gebäuden im Kontext der allgemeinen Rahmenbedingungen von EN 15643-1. Die Rahmenbedingungen gelten für alle Arten von Gebäuden und sind für die Bewertung der umweltbezogenen Qualität bei neuen Gebäuden über deren gesamten Lebenszyklus und bei Bestandsgebäuden für deren restliche Lebensdauer und die Entsorgungsphase maßgeblich. In dieser Normenreihe beschränkt sich die umweltbezogene Dimension der Nachhaltigkeit auf die Beschreibung der Umweltauswirkungen und -aspekte eines Gebäudes hinsichtlich der lokalen, regionalen und globalen Umwelt. Die Ökobilanz wird beurteilt und zusätzliche quantifizierbare umweltbezogene Informationen werden an Hand von quantifizierten Indikatoren angegeben. Der Einfluss des Gebäudes auf die Umweltaus-wirkungen und –aspekte der örtlichen Infrastruktur über das Gebäudegrundstück hinaus sowie die Umwelt-auswirkungen und –aspekte infolge der Fahrten von Nutzern zu und von dem Gebäude werden nicht beurteilt. Die Analyse der Umweltrisiken wird ebenfalls nicht behandelt. Die unter diesen Rahmenbedingungen entwickelten Normen enthalten weder Regeln, wie die unterschiedlichen Verfahrensweisen der Beurteilung von Gebäuden zu Bewertungsverfahren weiterentwickelt werden können, noch schreiben sie Grenzwerte, Klassen oder Richtwerte für die Bemessung der Qualität vor. ANMERKUNG Bewertungsverfahren, Grenzwerte, Klassen oder Richtwerte können in den umweltbezogenen, sozialen und ökonomischen Qualitätsanforderungen des Lastenheftes des Auftraggebers, der gesetzlichen Vorgaben im Bauwesen, nationaler Normen, nationaler Verfahrensregeln, der Systeme (...)

Contribution des ouvrages de construction au développement durable - Évaluation des bâtiments - Partie 2: Cadre pour l’évaluation des performances environnementales

La présente Norme européenne fait partie d'une série de Normes européennes et présente les principes et exigences spécifiques de l'évaluation des performances environnementales des bâtiments en prenant en compte leurs caractéristiques techniques et fonctionnelles. L’évaluation des performances environnementales n’est qu’un aspect de l’évaluation de la contribution au développement durable des ouvrages de construction tel que décrit dans le cadre général de l'EN 15643-1.
Le cadre méthodologique s’applique à tous les types de bâtiments et concerne l’évaluation des performances environnementales des bâtiments neufs tout au long de leur cycle de vie, et celles des bâtiments existants pour leur durée de vie restante et leur phase de fin de vie.
Dans la présente série de normes, la dimension environnementale de la contribution au développement durable se limite à l'évaluation des impacts et aspects environnementaux d'un bâtiment sur l'environnement à l’échelle locale, régionale et globale. L'évaluation est basée sur une analyse du cycle de vie et les informations environnementales quantifiables supplémentaires sont exprimées à l'aide d'indicateurs quantifiés. Elle exclut l'évaluation de l'influence d'un bâtiment sur les impacts  et aspects environnementaux liés à l'infrastructure locale au-delà de la parcelle, et sur les impacts et aspects environnementaux liés au transport des utilisateurs du bâtiment. Elle ne comprend pas non plus l'analyse des risques environnementaux.
Les normes élaborées dans ce cadre méthodologique ne définissent pas de règles concernant la façon dont les différents programmes d'évaluation peuvent fournir des méthodes de notation. Elles ne prescrivent pas non plus de niveaux, classes ou références comparatives pour situer les performances.
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Trajnostnost gradbenih objektov - Ocenjevanje stavb - 2. del: Okvir za ocenjevanje učinkov ravnanja z okoljem

Ta evropski standard zagotavlja specifična načela in zahteve za razvoj metodologij, ki so izražene z nizom standardov, za vrednotenje učinkov ravnanja z okoljem stavb, kar se tiče merljivih okoljskih vidikov in vplivov, z upoštevanjem tehničnih lastnosti in funkcionalnosti stavbe. Vrednotenje učinkov ravnanja z okoljem je en vidik celostnega vrednotenja učinkovitosti stavb v splošnem okviru prEN 15643-1.

General Information

Status
Withdrawn
Public Enquiry End Date
03-May-2009
Publication Date
13-Apr-2011
Withdrawal Date
06-Jul-2021
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
07-Jul-2021
Due Date
30-Jul-2021
Completion Date
07-Jul-2021

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Nachhaltigkeit von Bauwerken - Bewertung der Nachhaltigkeit von Gebäuden - Teil 2: Rahmenbedingungen für die Bewertung der umweltbezogenen QualitätContribution des ouvrages de construction au développement durable - Évaluation des bâtiments - Partie 2: Cadre pour l’évaluation des performances environnementalesSustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance91.040.01Stavbe na splošnoBuildings in general13.020.20Okoljevarstvena ekonomikaEnvironmental economicsICS:Ta slovenski standard je istoveten z:EN 15643-2:2011SIST EN 15643-2:2011en,fr,de01-maj-2011SIST EN 15643-2:2011SLOVENSKI

STANDARD
SIST EN 15643-2:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15643-2
March 2011 ICS 91.040.01 English Version

Sustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance

Contribution des ouvrages de construction au développement durable - Évaluation des bâtiments -Partie 2: Cadre pour l'évaluation des performances environnementales

Nachhaltigkeit von Bauwerken - Bewertung der Nachhaltigkeit von Gebäuden - Teil 2: Rahmenbedingungen für die Bewertung der umweltbezogenen Qualität This European Standard was approved by CEN on 15 January 2011.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate 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 Standard 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 national 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, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR 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 15643-2:2011: ESIST EN 15643-2:2011

EN 15643-2:2011 (E) 2 Contents Page Foreword ..............................................................................................................................................................3Introduction .........................................................................................................................................................41 Scope ......................................................................................................................................................72 Normative references ............................................................................................................................73 Terms and definitions ...........................................................................................................................84 Principles ............................................................................................................................................. 184.1 General ................................................................................................................................................. 184.2 Objectives of assessment of the building ........................................................................................ 184.3 Approach to assessment of environmental performance .............................................................. 184.4 Relevance of technical and functional requirements ..................................................................... 184.5 Consideration of the building life cycle ........................................................................................... 195 Requirements for assessment methods .......................................................................................... 195.1 General ................................................................................................................................................. 195.2 Object of assessment and the system boundary ............................................................................ 195.3 Functional equivalent ......................................................................................................................... 195.4 Type of data and their assignment to the building life cycle ......................................................... 205.4.1 Assignment of data to the building life cycle .................................................................................. 205.4.2 Impacts and aspects specific to the building fabric during the building life cycle ..................... 225.4.3 Impacts and aspects specific to building in operation ................................................................... 225.4.4 Scenarios ............................................................................................................................................. 225.5 Data quality .......................................................................................................................................... 235.6 Verification .......................................................................................................................................... 235.7 Transparency ...................................................................................................................................... 235.8 Reporting and communication .......................................................................................................... 235.8.1 General ................................................................................................................................................. 235.8.2 Results of the assessment ................................................................................................................ 235.8.3 Functional equivalent ......................................................................................................................... 265.8.4 Environmental requirements from client’s brief and/or regulations ............................................. 265.8.5 Technical and functional performance ............................................................................................. 266 Requirements for calculation methods for assessment of environmental performance of buildings .............................................................................................................................................. 266.1 Overview of the methodology for assessment of environmental performance of buildings ..... 266.2 Environmental indicators ................................................................................................................... 276.3 Specific requirements for system boundary for assessment of environmental performance of buildings ................................................................................................................... 27Annex A (informative)

Work programme of CEN/TC 350 ............................................................................. 28Annex B (informative)

Environmental indicators .......................................................................................... 29B.1 Indicators included in the current versions of standards .............................................................. 29B.1.1 Indicators for environmental impacts (LCIA impact categories) ................................................... 29B.1.2 Indicators for resource use (environmental aspects) ..................................................................... 29B.1.3 Indicators for other environmental information (environmental aspects).................................... 29B.2 Further indicators used in the current practice ............................................................................... 30B.2.1 Indicators for environmental impacts (LCIA impact categories) ................................................... 30B.2.2 Indicators for resource use (environmental aspects) ..................................................................... 30B.2.3 Indicators for other environmental information (environmental aspects).................................... 30Bibliography ..................................................................................................................................................... 31 SIST EN 15643-2:2011

EN 15643-2:2011 (E) 3 Foreword This document (EN 15643-2:2011) 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, either by publication of an identical text or by endorsement, at the latest by September 2011, and conflicting national standards shall be withdrawn at the latest by September 2011. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association 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 Regulations, 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, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 15643-2:2011

EN 15643-2:2011 (E) 4 Introduction This European Standard forms part of a series of European Standards, written by CEN/TC 350, that provide a system for the sustainability assessment of buildings using a life cycle approach. The sustainability assessment quantifies impacts and aspects to assess the environmental, social and economic performance of buildings using quantitative and qualitative indicators, both of which are measured without value judgements. The purpose of this series of standards is to enable comparability of the results of assessments. This series of European Standards does not set benchmarks or levels of performance. This series of standards will allow the sustainability assessment, i.e. the assessment of environmental, social and economic performance of a building, to be made concurrently and on an equal footing, on the basis of the same technical characteristics and functionality of the object of assessment. The sustainability assessment of buildings uses different types of information. The results of a sustainability assessment of a building provide values for the different types of indicators, the related building scenarios and on the life cycle stages included in the assessment. In carrying out assessments, scenarios and a functional equivalent are determined at the building level. Assessment at the building level means that the descriptive model of the building with the major technical and functional requirements has been defined in the client's brief or in the regulations, as illustrated in Figure 1. Assessments can be undertaken for the whole building, for parts of the building, which can be used separately, or for elements of the building. Although the evaluation of technical and functional performance is beyond the scope of this series of standards, the technical and functional characteristics are considered within this framework by reference to the functional equivalent. The functional equivalent takes into account the technical and functional requirements and forms a basis for comparisons of the results of the assessment. Any particular demands for, or related to, the environmental, social and economic performance defined in the client’s brief, or in regulations, may be declared and communicated. Figure 1 shows how the functional equivalent and the technical and functional characteristics that differ from those required, either by the client's brief or through regulations, are to be declared and communicated with the results of the assessment.

NOTE The outer box with the dotted line represents the area to be standardised by CEN/TC 350. Figure 1 – The concept of sustainability assessment of buildings SIST EN 15643-2:2011

EN 15643-2:2011 (E) 5 In concept, the integrated building performance incorporates environmental, social and economic performance as well the technical and functional performance, and these are intrinsically related to each other, as illustrated in Figure 2. Although the assessment of technical and functional performance does not form part of this series of standards, their interrelationship with environmental, social and economic performance is prerequisite for an assessment of sustainability performance of buildings and, therefore, is taken into account. It is advisable to carry out an assessment at the earliest opportunity during the conceptual stages of a construction or refurbishment project such as in the sketch plan stage in order to provide a broad estimate of the environmental performance, social performance and economic performance. As the project evolves the assessment may be periodically reviewed and updated to support decision making. A final assessment (as-built) should be carried out. The results of this final assessment can be used to inform all parties concerned.

NOTE The darkened boxes represent the work programme of CEN/TC 350. Figure 2 – The work programme of CEN/TC 350 This European Standard EN 15643-2 is Part 2 of the framework standards for sustainability assessment of buildings. The purpose of EN 15643-2 is to provide a framework with principles, requirements and guidelines to assess the environmental performance of buildings. It focuses on the principles and requirements for the assessment of the environmental performance of a building as described at the "framework level" in Figure 2. In the drafting of this European Standard, ISO 21930 and ISO 21931-1 have been taken into consideration. SIST EN 15643-2:2011

EN 15643-2:2011 (E) 6 The first revision of the general framework standard, EN 15643-1, will combine all four parts of the framework of this series of standards into one framework standard. This will ensure simultaneous revision of the interlinked parts of the frameworks within the series of standards. In the future, the assessment methodologies within this series of standards may be part of an overall assessment of integrated building performance. The assessment methodologies may also be extended to an assessment of the neighbourhoods and wider built environment.

SIST EN 15643-2:2011

EN 15643-2:2011 (E) 7 1 Scope This European Standard forms one part of a series of European Standards and provides the specific principles and requirements for the assessment of environmental performance of buildings taking into account technical characteristics and functionality of a building. Assessment of environmental performance is one aspect of sustainability assessment of buildings under the general framework of EN 15643-1. The framework applies to all types of buildings and it is relevant for the assessment of the environmental performance of new buildings over their entire life cycle, and of existing buildings over their remaining service life and end of life stage. In this series of standards, the environmental dimension of sustainability is limited to the assessment of environmental impacts and aspects of a building on the local, regional and global environment. The assessment is on Life Cycle Assessment and additional quantifiable environmental information expressed with quantified indicators. It excludes the assessment of a building’s influence on the environmental impacts and aspects of the local infrastructure beyond the area of the building site, and environmental impacts and aspects resulting from transportation of the users of the building. It also excludes environmental risk assessment. The standards developed under this framework do not set the rules for how different building assessment schemes may provide valuation methods. Nor do they prescribe levels, classes or benchmarks for measuring performance. NOTE Valuation methods, levels, classes or benchmarks may be prescribed in the requirements for environmental, social and economic performance in the client’s brief, building regulations, national standards, national codes of practice, building assessment and certification schemes, etc. The rules for assessment of environmental aspects of organizations are not included within this framework. However, the consequences of decisions or actions that influence the environmental performance of the object of assessment are taken into account. 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 document (including any amendments) applies. prEN 15804, Sustainability of construction works — Environmental product declarations — Product category rules prEN 15978, Sustainability of construction works — Assessment of environmental performance of buildings — Calculation method EN ISO 14044, Environmental management — Life cycle assessment — Requirements and guidelines

(ISO 14044:2006) ISO 15392, Sustainability in building construction — General principles ISO 15686-1, Buildings and constructed assets — Service life planning — Part 1: General principles ISO 15686-2, Buildings and constructed assets — Service life planning — Part 2: Service life prediction procedures ISO 15686-7, Buildings and constructed assets — Service life planning — Part 7: Performance evaluation for feedback of service life data from practice SIST EN 15643-2:2011

EN 15643-2:2011 (E) 8 ISO 15686-8, Buildings and constructed assets — Service-life planning — Part 8: Reference service-life and service life estimation ISO 21930, Sustainability in building construction — Environmental declaration of building products 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 assembled system part of works component (3.10) or a set of components incorporated in the construction works (3.13) NOTE Adapted from the definitions in the Construction Products Directive (CPD) Guidance Paper C and from the definition of construction in ISO 6707-1. 3.2 brief written document that states the client’s (3.9) requirements for a construction project [ISO 6707-2:1993] 3.3 building construction works (3.13) that has the provision of shelter for its occupants or contents as one of its main purposes and is usually enclosed and designed to stand permanently in one place [ISO 6707-1:2004] 3.4 building fabric all construction products (3.11) that are fixed to the building (3.3) 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 3.5 building-integrated technical system installed technical equipment to support operation of a building (3.3) NOTE This includes technical building system (3.70) and other systems for sanitation, security, fire safety, internal transport and building automation and control and IT communications. 3.6 building site specified area of land where a building (3.3) is located or is defined to be located and construction work (3.12) of the building and associated external works (3.28) are or will be undertaken NOTE Adapted from the definition of site in ISO 6707-1. 3.7 built environment collection of buildings (3.3), external works (3.28) (landscaped areas), infrastructure and other construction works (3.13) within an area NOTE Adapted from the definition of built environment in ISO 6707-1. SIST EN 15643-2:2011

EN 15643-2:2011 (E) 9 3.8 civil engineering works construction works (3.13) comprising a structure, such as a dam, bridge, road, railway, runway, utilities, pipeline, or sewerage system, or the result of operations such as dredging, earthwork, geotechnical processes, but excluding a building (3.3) and its associated site works [ISO/TS 21929-2] 3.9 client person or organization that requires a building (3.3) to be provided, altered or extended and is responsible for initiating and approving the brief (3.2) [ISO 6707-1:2004] 3.10 component construction product (3.11) manufactured as a distinct unit to serve a specific function or functions [ISO 6707-1:2004] 3.11 construction product item manufactured or processed for incorporation in construction works (3.13) NOTE 1 Construction products are items supplied by a single responsible body. NOTE 2 Adapted from the definition in ISO 6707-1 according to the recommendation of ISO/TC59/AHG Terminology. 3.12 construction work activities of forming a construction works (3.13) [ISO 6707-1:2004] 3.13 construction works everything that is constructed or results from construction operations NOTE 1 This covers both building (3.3) and civil engineering works (3.8), and both structural and non-structural elements. NOTE 2 Adapted from the definition in ISO 6707-1. 3.14 decommissioning activities that change a building (3.3) or an assembled system (part of works) (3.1) from an operational status to a non-operational status 3.15 delivered energy total energy, expressed per energy carrier, supplied to the technical building system (3.70) through the system boundary to satisfy the uses taken into account (heating, cooling, ventilation, domestic hot water, lighting, appliances etc.) or to produce electricity NOTE 1 For active solar and wind energy systems the incident solar radiation on solar panels or on solar collectors or the kinetic energy of wind is not part of the energy balance of the building. Renewable energy produced on site is part of the delivered energy. SIST EN 15643-2:2011

EN 15643-2:2011 (E) 10 NOTE 2 Delivered energy can be calculated for defined energy uses or it can be measured.

[EN 15603:2008] 3.16 design life service life (3.62) intended by the designer [ISO 15686-1] 3.17 disposal waste (3.75) treatment operation other than recovery (3.50) NOTE Adapted from the definition in Directive 2008/98. 3.18 durability ability to maintain required technical performance (3.71) throughout the service life (3.62), subject to specified maintenance (3.41) under the influence of the foreseeable actions NOTE 1 Foreseeable actions are actions related to “normal” agents that could be expected to act on the works or parts thereof. Potential degradation agents include, for example, temperature, humidity, water, UV radiation, abrasion, chemical attack, biological attack, corrosion, weathering, frost, freeze-thaw and fatigue. NOTE 2 Adapted from the definition in CPD Guidance Paper F and in ISO 6707-1. 3.19 economic aspect aspect of construction works (3.13), part of works (3.1), processes or services related to their life cycle (3.35) that can cause change to economic conditions [ISO 15392:2008] 3.20 economic impact any change to the economic conditions, whether adverse or beneficial, wholly or partially resulting from economic aspects (3.19) NOTE Derived from the definitions of impact and economic impact in ISO 15392. 3.21 economic performance performance (3.47) related to economic impacts (3.20) and economic aspects (3.19) [ISO 15392:2008] 3.22 energy carrier substance or phenomenon that can be used to produce mechanical work or heat or to operate chemical or physical processes NOTE Adapted from the definition in EN 15603:2008. 3.23 environmental aspect aspect of construction works (3.13), part of works (3.1), processes or services related to their life cycle (3.35) that can cause change to the environment SIST EN 15643-2:2011

EN 15643-2:2011 (E) 11 EXAMPLES Use of energy and mass flow, production and segregation of wastes, water use, land use, emissions to air NOTE The examples added to the definition of environmental aspect in ISO 15392. [ISO 21931-1:2010] 3.24 environmental impact any change to the environment, whether adverse or beneficial, wholly or partially resulting from environmental aspects (3.23) NOTE Derived from the definitions of impact and environmental impact in ISO 15392. [ISO 21931-1:2010] 3.25 environmental performance performance (3.47) related to environmental impacts (3.24) and environmental aspects (3.23) [ISO 15392:2008] [ISO 21931-1:2010] 3.26 environmental risk assessment process of systematic estimation of the probability of a particular set of circumstances and its negative environmental consequences and process of comparing the estimation results against given criteria to determine their environmental significance NOTE Adapted from ISO IEC Guide 73. 3.27 estimated service life service life (3.62) that a building (3.3) or an assembled system (part of works) (3.1) would be expected to have in a set of specific in-use conditions (3.34), determined from reference service life data (3.54) after taking into account any differences from the reference in use conditions (3.52) [ISO/DIS 15686-1:2008] 3.28 external works construction works (3.13) external to the building structure but within the building’s (3.3) site

3.29 functional equivalent quantified functional requirements (3.31) and/or technical requirements (3.72) for a building (3.3) or an assembled system (part of works) (3.1) for use as a basis for comparison NOTE Adapted from the definition in ISO 21931-1. 3.30 functional performance performance (3.47) related to the functionality (3.32) of a construction works (3.11) or an assembled system (part of works) (3.1), which is required by the client (3.9), users (3.74) and/or by regulations NOTE Adapted from the definition in ISO/DIS 15686-10. SIST EN 15643-2:2011

EN 15643-2:2011 (E) 12 3.31 functional requirement type and level of functionality (3.32) of a building or assembled system which is required by the client (3.9), users (3.74) and/or by regulations NOTE Adapted from the definition in ISO/DIS 15686-10. 3.32 functionality suitability or usefulness for a specific purpose or activity [ISO/DIS 15686-10:2008] 3.33 handover step at which possession of the construction works (3.13) is surrendered to the client (3.9) upon completion with or without reservation [ISO 6707-2:1993] 3.34 in-use condition any circumstance that can impact the performance (3.47) of a building (3.3) or assembled system (part of works) (3.1) under normal use [ISO 15686-8] 3.35 life cycle consecutive and interlinked stages in the life of the object under consideration 3.36 life cycle assessment LCA compilation and evaluation of the inputs, outputs and the potential environmental impacts (3.24) of a product system throughout its life cycle (3.35) NOTE In this context a building or assembled system is considered a "product" and a part of a “product system”. [EN ISO 14044:2006] 3.37 life cycle cost LCC cost of a building (3.3) or part of works (3.1) throughout its life cycle (3.35), while fulfilling technical requirements (3.72) and functional requirements (3.31) [prEN 15643-4] 3.38 life cycle impact assessment LCIA phase of life cycle assessment (3.36) aimed at understanding and evaluating the magnitude and significance of the potential environmental impacts (3.24) for a product system throughout the life cycle (3.35) of the product NOTE In this context a building or assembled system is considered a "product" and a part of a “product system”. [EN ISO 14044:2006] SIST EN 15643-2:2011

EN 15643-2:2011 (E) 13 3.39 life cycle inventory analysis LCI phase of life cycle assessment (3.36) involving the compilation and quantification of inputs and outputs for a product throughout its life cycle (3.35) NOTE In this context a building or assembled system is considered a "product" and a part of a “product system”. [EN ISO 14044:2006] 3.40 maintainability ability of a component (3.10), an assembled system (part of works) (3.1) or construction works (3.13) to be retained in a state in which it can perform its required functions or be restored to such a state when a fault occurs NOTE Adapted from the definition in ISO 6707-1. 3.41 maintenance combination of all technical and associated administrative actions during the service life (3.62) to retain a building (3.3) or an assembled system (part of works) (3.1) in a state in which it can perform its required functions NOTE 1 Maintenance includes cleaning, servicing, repainting, repairing, replacing parts of the construction works (3.13) where needed, etc...(CPD Guidance Paper F). NOTE 2 Adapted from the definition in ISO 15686-1, ISO 6707-1 and in CPD Guidance Paper F. 3.42 monetary value aggregate of costs and revenues of economic aspects (3.19) expressed in monetary units [prEN 15643-4] 3.43 non-renewable energy energy from sources which are not defined as renewable energy (3.56) sources 3.44 non-renewable resource resource that exists in a finite amount that cannot be replenished on a human time scale [ISO 21930:2007] 3.45 operational energy use energy use of technical building system (3.70) during use and operation of the b

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