Contents
Foreword by Nirmal Jain 8
Note by S. Sridhar 10
Introduction by Monu Ratra 12
1. Sustainable Housing: Indian and Global Perspectives
1.1 Global Concerns 14
1.2 Global Green Housing Movement: A Brief History 15
1.3 Building Energy Codes: An International View 15
1.4 Green Buildings in India: Ground Realities 16
2. About the Handbook
2.1 Why this Handbook 18
2.2 Who is the Reader 18
2.3 How to Use this Handbook 18
3. Understanding Rating System
3.1 Introduction to Rating Systems in India 19
3.2 IGBC Green Homes Affordable Housing 19
3.3 IGBC Green Homes 19
3.4 GRIHA 20
3.5 GRIHA for Affordable Housing 20
3.6 EDGE for Homes 21
3.7 Comparison between IGBC Green Homes 21
GRIHA for Affordable Housing and EDGE for Home
4. Building Plans and Orientation - Influencing Thermal Comfort
4.1 Site Planning 22
4.1.1 Building Orientation 22
4.1.2 Optimizing Soft Ground And Hard Paved Surfaces, Minimizing UHI 24
4.1.3 Efficient Use of Plot Area for Environmental Benefit 26
4.1.4 The Economic and Environmental Implications of Building Tall 26
5. Building Envelope
5.1 Minimizing Envelope Heat Gains by Optimizing the Perimeter Wall-to-floor Area Ratio 30
5.1.1 Building Typology in Affordable Housing 30
5.1.2 Walling Material (Opaque Fa9ade) 36
5.1.3 Constrained Masonry: Hollow Core Interlocking Blocks 38
5.1.4 Fenestrations (Non-Opaque Fa9ade) 39
5.1.5 Roofing Insulation 41
5.2 Shading Device (Windows/Balconies) 43
6. Water Efficiency
6.1 Water Management Strategy 46
6.1.1 Water Resource Planning 46
6.1.1.1 Groundwater Management System 46
6.1 .1.2 Municipal Water Supply 47
6.1.1.3 Rainwater Harvesting Management 48
6.1 .1.3.1 Recharge Well 51
6.1.2 Strategy for Storage Tank Sizing 52
6.1.3 Raw Water Treatment Systems 54
6.1.4 Water Distribution Management 55
6.1.5 Water Use Optimization 55
6.1.5.1 Low Flow Fixtures 56
6.1.6 Planning and Design of Wastewater Treatment System 57
6.1.6.1 Planning for Wastewater Systems 57
6.1.6.2 Schematics for Wastewater Systems 58
6.1.6.3 Technology Matrix 62
6.1.6.4 O&M Requirements of Wastewater Systems 63
6.2 Typical Water Balance Chart 63
7. Waste Management and Disposal
7.1 Waste Management During Construction 64
7.2 Reusability/Recyclable Materials 64
7.3 Segregation of Waste and On-Site Consumption of Recycled Organic Waste 65
8. Creating a Sustainable Ecosystem for Green Affordable Housing
8.1 IIFL Home Finance Ltd: Championing Green, Sustainable, Affordable Housing 67
8.1.1 The Kutumb Initiative 68
8.12 PURPOSE 68
8.1.3 Green Value Partner Initiative 68
8.2 Rating Mechanisms 69
8.3 Financing Options 69
8.4 Development Bank Support 70
8.5 Institutional Support 71
8.6 Light House Projects 72
8.7 The Green Building Revolution 73
8.8 Green Value Partnership 74
8.9 IIFL HFLs DNA 75
Annexure 1 GRIHA Rating System with Cost 76
Annexure 2 IGBC Rating System with Cost Impact and Handbook References 85
Annexure 3 EDGE Rating System with Cost Impact and Handbook References 94
Annexure 4 Cost Optimization and Affordability 100
Annexure 5 Calculations for STP Capacity 103
Annexure 6 Comparison of Envelope Area/Floor Area for Building Types 104
Annexure 7 Comparative Statement for Pump Requirements 105
Annexure 8 Government Incentives Pertaining to Green Building Projects 106
References 107
Stakeholder Messages
V Suresh, Chairman, CII-IGBC 108
Mark Eckstein, Environment Social and Governance Director, CDC Group 109
Jayram Santosh, Partner & Head, Climate Change - Sustainability and CSR Advisory, KPMG 110
Yash Miglani, Director, Migsun Wynn 110
Smita Singh, Delegation of the European Union to India 111
Susan Olsen, Unit Head- Private Sector Financial Institutions South Asia, ADB 111
Green Building Case Study
Supra Builders 112
List of Figures 115
List of Tables 116
List of Abbreviations 117
ABOUT THE AUTHORS
Mr. Ashok B. Lall 118
CDD Society 120