Zhen Chen is Research Fellow of the Innovative Design and Construction for People Project at the University of Reading. He is the author of more than 70 research publications and reports on construction engineering and management topics. His previous books include Intelligent Methods in Construction and Handbook of Building Construction.

Heng Li is Professor in the Department of Building and Real Estate at Hong Kong Polytechnic University. He has published more than 100 papers and his previous books include Machine Learning of Design Concepts and Implementing IT to obtain a competitive advantage in the 21st Century. He is a review editor of the International Journal of Automation in Construction.

1. Introduction 2. E+: An Integrative Methodology 3. Quantitative Evaluation at Pre-Construction Stage 4. Quantitative Evaluation at Construction Stage 5. Quantitative Approaches at Post-Construction Stage 6. Knowledge-Driven Quantitative Evaluation

An outline of four quantitative methods for use at different stages of construction which fit within a framework of environmental impact assessment.