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BSI PD CEN ISO/TR 52000-2:2017

BSI PD CEN ISO/TR 52000-2:2017

$215.11

Energy performance of buildings. Overarching EPB assessment – Explanation and justification of ISO 52000-1

Published By Publication Date Number of Pages
BSI 2017 196
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This document refers to the overarching EPB-standard, ISO 52000-1[1].

It contains information to support the correct understanding, use and national implementation of ISO 52000-1. This includes:

  • explanation on the procedures and background information and justification of the choices that have been made;

  • reporting on validation of calculation procedures given in the standard;

  • explanation for the user and for national standards writers involved with implementation of the set of EPB standards, including detailed examples.

PDF Catalog

PDF Pages PDF Title
2 National foreword
10 Foreword
11 Introduction
15 1 Scope
2 Normative references
16 3 Terms and definitions
3.1 Buildings
17 3.2 Indoor and outdoor conditions
3.3 Technical building systems
18 3.4 Energy
3.5 Energy performance
3.6 Energy calculation
3.7 General information on terms and definitions
3.7.1 General
3.7.2 Overarching terms and definitions
19 3.7.3 Difference between definition and specification
3.7.4 Undefined and/or unspecified policy related terms
4 Symbols, units, subscripts and abbreviations
4.1 Symbols
20 4.2 Subscripts
4.3 Abbreviations
5 Description of the overarching framework and procedures
5.1 Output of the method
21 5.2 General description of the procedures and routing
5.3 Selection criteria between the methods
5.4 The over-arching reference modular structure
5.4.1 Purpose
5.4.2 Systematic modular structure of the standards
22 5.4.3 The connection between the modules – step by step implementation
24 5.4.4 Systematic consecutive numbering of the standards
25 6 Overarching preparation steps
6.1 General
27 6.2 List of types and categories
6.2.1 Type of object
28 6.2.2 Building category and space categories
29 6.2.3 Type of application
6.2.4 Types of assessment
30 6.2.5 Building services
31 6.3 Identification of types and categories for a specific case
6.4 Example cases
6.4.1 General
32 6.4.2 Example case 1
33 6.4.3 Example case 2
6.4.4 Example case 3
34 6.4.5 Example case 4
35 6.4.6 Example case 5
36 6.4.7 Example case 6
7 Calculated energy performance of buildings
7.1 Output data
7.2 Calculation intervals and calculation period
7.2.1 Calculation interval
39 7.2.2 Calculation period
7.3 Input data
7.3.1 Product data
7.3.2 System design data
7.3.3 Operating conditions
41 7.3.4 Constants and physical data
7.3.5 Other data
42 7.4 Description of the calculation procedure
8 Measured overall energy performance and comparison with calculations
8.1 General
43 8.2 Output of the method
8.3 Measurement intervals and measurement period
44 8.4 Input data
8.4.1 Product data
8.4.2 System design data
8.4.3 Operating conditions data
45 8.4.4 Constants and physical data
8.4.5 Other data
8.5 Measurement procedures
8.6 Calculation of the energy performance based on measured energy
8.7 Comparison between calculated energy performance and measured energy performance
46 8.8 Measured energy performance reporting
9 Overall assessment of the energy performance of buildings
9.1 Categorization of building and/or spaces
9.2 Combination of building services included in EPB in each space
9.3 Useful floor area and air volume
47 9.4 Normalization to building size
9.4.1 Reference size
49 9.4.2 Normalization
9.4.3 Reference floor area
9.5 Assessment boundary and perimeters
9.5.1 General principles
50 9.5.2 Assessment boundary for multiple buildings
9.6 Overall energy performance
9.6.1 Weighted overall energy balance
51 9.6.2 Primary energy factors
53 9.6.3 Greenhouse gas emission factors
9.6.4 Additional weighting factors
9.6.5 Costs factors
9.6.6 Weighting factors for exported energy
56 9.6.7 Energy flows
57 9.7 Share of renewable energy
9.7.1 General
9.7.2 Amount of primary energy from renewable source EP;ren
9.7.3 Amount of total primary energy EPtot
9.7.4 Examples of RER calculation
59 9.8 Energy performance indicators for technical building systems
9.9 Calculation methods for energy performance indicators per part of a building and/or service
60 10 Zoning
10.1 General
62 10.2 Thermal zones and service areas
10.3 Spaces
64 10.4 Zoning rules
10.4.1 Principle
65 10.4.2 Specific zoning criteria
66 10.5 Assignment rules
10.5.1 Subdivision
68 10.5.2 Recombination
69 10.6 Zoning procedure
11 Calculation of the energy performance, routing and energy balance
11.1 General
11.2 Overall calculation procedure (steps)
70 11.3 Calculation principles of the recovered gains and losses
11.4 Effect of building automation and control (BAC) and technical building management (TBM)
75 11.5 Climatic and external environment data
11.6 Overall energy performance
11.6.1 General
11.6.2 Electricity and other energy carriers with exportation
86 11.6.3 Energy carriers without exportation
11.6.4 Exported heat on-site produced and not included in thermal use of the building
87 12 Common overarching output – General
12.1 General
89 12.2 Tabulated overview of the amounts of energy per energy carrier and energy service
12.2.1 Absolute values
103 13 Additional information to the over-arching EPB standard
13.1 Worked out examples
13.2 Application range
13.3 Regulation use
104 13.4 Validation test
13.5 Quality issues
105 Annex A (informative) Input and method selection data sheet — Template
107 Annex B (informative) Input and method selection data sheet — Default choices
115 Annex C (informative) Common subscripts
122 Annex D (informative) Calculation of measured energy performance
123 Annex E (informative) Calculation methods for energy performance indicators per part of a building and/or service
130 Annex F (informative) Alphabetic index of terms
131 Annex G (informative) Electrical grid related indicators
132 Annex H (informative) Proposal of indicators for the assessment of nearly Zero-Energy Buildings (NZEB)
135 Annex I (informative) Lighting systems
137 Annex J (informative) Calculation examples
184 Annex K (informative) Flow diagram
188 Annex L (informative) List of technologies
192 Bibliography

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BSI PD CEN ISO/TR 52000-2:2017
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