How can project managers reduce the risk of project failure? describe and relate tools and concepts. Illustrate with examples.

this essays is for a management module of an engineering degree, the examples should hence refer to engineering projects case studies.
Chapman, C. and Ward, S.Project Risk Management: Processes Techniques and Insights. 2nd edition, 2003, Wiley and Sons

Payne, A.C., Chelsom, J.V. and Reavill, L.R.P Management for Engineers, Scientists and Technologists2nd edition, 2004, Wiley and Sons

Johnson, G., Scholes, K. and Whittington, r. Exploring Corporate Strategy7th edition, 2005, Harlow: Pearson