With the infrastructure to manage storm water threats in cities becoming increasingly expensive to build or repair, the design community needs to look at alternative approaches. Living roofs present an opportunity to compliment ground-level storm water control measures, contributing to a holistic, integrated urban water management system.
This book offers tools to plan and design living roofs, in the context of effectively mitigating storm water. Quantitative tools for engineering calculations and qualitative discussion of potential influences and interactions of the design team and assembly elements are addressed.
1. Introduction, 1.1 Why Worry about Water? Water as a Driver for Living Roof Implementation, 1.2 Opportunities for living roofs, 1.3 Classifications, 1.4 Functional Components, 1.5 Three Fundamental Components, 1.6 Book Methodology, 2. The Role of Living Roofs in Holistic Stormwater Management Systems, 2.1 The Urban Water Balance in Municipal Regulations, 2.2 An Engineer’s Perspective on Quantitative Stormwater Design Objectives, 2.3 Technical Challenges Imposed by Municipal Stormwater Codes, 2.4 How a Living Roof "Works" to control stormwater runoff, 2.5 Stormwater Performance Expectations, 2.6 Evotranspiration, 2.7 Hydrologic Models, 2.8 Discussion, 3. Planning Considerations, 3.1 Planning Process, 3.2 The Step-by-Step Process for Planning, 3.3 Key Elements for Collaborative Planning, 3.4 Plants, 3.5 Stormwater Calculations, 4. Integrating Stormwater Performance and Architectural Design, 4.1 Growing Medium, 4.2 Water Retention Techniques, 4.3 Plant Selection, 4.4 General Planting Design Guidelines, 4.5 Drainage Layers, 4.6 Experiential Aspects, 4.7 Extent of Roof Greening, 4.8 Irrigation, 4.9 Accessibility, 4.10 Provision for Monitoring, 4.11 Design for Social Function without Compromising Stormwater Control, 5. Case Studies, 5.1 Introduction to Small and Large Scale Design Scenarios, 5.2 Case Studies, Conclusion, Glossary, List of Abbreviations