1. Purpose
2. Scope
2.1 Energy Efficiency Performance Levels
2.2 Building Systems
2.3 Precedence
2.4 Reference Standards
2.5 Building Classification
3. Compliance and Approach
3.1 General
3.1.1 Energy Performance Index
3.1.2 Determining EPI Ratio
3.2 Compliance Approaches
3.2.1 Mandatory Requirements
3.2.2 Prescriptive Method
3.2.3 Whole Building Performance Method
3.3 Compliance Requirements
3.3.1 New Building Compliance
3.3.2 Additions to Existing Buildings
3.3.3 Alterations to Existing Buildings
3.4 Approved Analytical Tools
3.5 Administrative Requirements
3.6 Compliance Documents
3.6.1 Compliance Documents
3.6.2 Supplemental Information
4. Building Envelope
4.1 General
4.2 Mandatory Requirements
4.2.1 Fenestration
4.2.2 Opaque Construction
4.2.3 Daylighting
4.2.4 Building Envelope Sealing
4.3 Prescriptive Requirements
4.3.1 Roof
4.3.2 Opaque External Wall
4.3.3 Vertical Fenestration
4.3.4 Skylights
4.3.5 Building Envelope Trade-Off Method
4.3.6 Standard Building EPF Calculation
5. Comfort Systems and Controls
5.1 General
5.2 Mandatory Requirements
5.2.1 Ventilation
5.2.2 Minimum Space Conditioning Equipment Efficiencies
5.2.3 Controls
5.2.4 Additional Controls for ECBC+ and SuperECBC Buildings
5.2.5 Additional Controls for SuperECBC Buildings
5.2.6 Piping and Ductwork
5.2.7 System Balancing
5.2.8 Condensers
5.2.9 Service Water Heating
5.3 Prescriptive Requirements
5.3.1 Pumps
5.3.2 Cooling Towers
5.3.3 Economizers
5.3.4 Variable Flow Hydronic Systems
5.3.5 Boilers
5.3.6 Energy Recovery
5.4 Total System Efficiency – Alternate Compliance Approach
5.5 Low-energy Comfort Systems
6. Lighting and Controls
6.1 General
6.2 Mandatory Requirements
6.2.1 Lighting Control
6.2.2 Exit Signs
6.3 Prescriptive Requirements
6.3.1 Interior Lighting Power
6.3.2 Building Area Method
6.3.3 Space Function Method
6.3.4 Installed Interior Lighting Power
6.3.5 Exterior Lighting Power
7. Electrical and Renewable Energy Systems
7.1 General
7.2 Mandatory Requirements
7.2.1 Transformers
7.2.2 Energy Efficient Motors
7.2.3 Diesel Generator (DG) Sets
7.2.4 Check-Metering and Monitoring
7.2.5 Power Factor Correction
7.2.6 Power Distribution Systems
7.2.7 Uninterruptible Power Supply (UPS)
7.2.8 Renewable Energy Systems
8. Definitions, Abbreviations, and Acronyms
8.1 General
8.2 Definitions
8.3 SI to IP Conversion Factors
8.4 Abbreviations and Acronyms
9. Whole Building Performance Method
9.1 General
9.1.1 Scope
9.1.2 Compliance
9.1.3 Annual Energy Use
9.1.4 Trade-offs Limited to Building Permit
9.1.5 Documentation Requirements
9.2 Mandatory Requirements
9.3 Simulation Requirements
9.3.1 Energy Simulation Program
9.3.2 Climate Data
9.3.3 Compliance Calculations
9.4 Calculating Energy Consumption of Proposed Design and Standard Design
9.4.1 Energy Simulation Model
9.4.2 HVAC Systems
9.4.3 Compliance Thresholds for ECBC compliant, ECBC+ and SuperECBC Buildings
9.5 Maximum Allowed EPI Ratios
9.6 Schedules
10. Appendix A: Default Values for Typical Constructions
10.1 Procedure for Determining Fenestration Product U-factor and Solar Heat Gain
Coefficient
10.2 Default U-factors and Solar Heat Gain Coefficients for Unrated Fenestration
Products
10.2.1 Unrated Vertical Fenestration
10.2.2 Unrated Sloped Glazing and Skylights
10.3 Typical Roof Constructions
10.4 Typical Wall Constructions
11. Appendix B: Climate Zone Map of India
12. Appendix C: Air-Side Economizer Acceptance Procedures
12.1 Construction Inspection
12.2 Equipment Testing
13. Appendix D: Compliance Forms
14. Appendix E: BEE approved list of software to show compliance |