Environmental performance of buildings - Carbon metric of a building -Use stage
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National foreword
ISBN 978 0 580 79101 7
ICS 91.040.01
Amendments issued since publication
Date Text affected
This British Standard is the UK implementation of ISO 16745:2015.
The UK participation in its preparation was entrusted to TechnicalCommittee B/558 Sustainability of construction works.
obtained on request to its secretary. A list of organizations represented on this mittee can be
This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correct application.
@ The British Standards Institution 2015. Published by BSI StandardsLimited 2015
Compliance with a British Standard cannot confer immunity from legal obligations.
This British Standard was published under the authority of theStandards Policy and Strategy Committee on 28 February 2015.
INTERNATIONAL STANDARD
buildings-Carbon metric ofa Environmentalperformanceof building-Use stage
Performance environnementale des batiments - Metrique ducarbone des batiments - Phase operationnelle
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@ ISO 2015
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Contents
Page
Principles. 4.1 General. 54.2 Completeness. 54.3 4.4 Consistency. Relevance. 54.5 4.6 Coherence. Accuracy 5 54.7 Avoidance of Double Counting Transparency.. 54.8 5
Protocol of measuring the carbon metric of a building in the use stage. 6
5.1 System boundary 65.1.1 5.1.2 Types of carbon metrics of a building System boundary for the carbon metrics of abuilding. 6 65.2 Calculation of GHG emissions. Carbon metric and carbon intensity. 65.3 5.3.1 GHG emissions associated with energy use of a building- 6 65.3.3 5.3.2 Measurement of energy carrier. Exported Energy 10 105.3.4 Energy usage GHG emission coeffcients.. 115.3.5 11
Reporting and munication of the carbon metric. 13
6.1 General 136.2 Reporting of the carbon metric. 6.2.1 Mandatory requirements. 13 13Communication of the carbon metric. 6.2.2 Additional information. 196.3 6.3.1 Type of munication 19 196.3.2 Availability of information. Provision of information. 20 216.3.4 Carbon metric disclosure report. Explanatory material.. 216.3.5 22
Verification.7.1 General. 227.2 Procedure for review and independent verification. 7.2.1 Independent verification of data 22 227.2.2 7.2.3 Independence and petence of verifiers. Verification of the carbon metric declaration. 22 227.2.4 Rules for data confidentiality. 23
Annex A (informative)Aim of carbon metric. .24
Annex D (informative) Allocation of emissions related to target energy in bined heat and power generation by VD1 4660 Part 2. .28
Annex E (informative) Status of ISO 16745 and other documents and concepts related to