5.0 CONCLUSION
This study has painstakingly investigated risk management practices and its sustainability in construction industries in south east geopolitical zone of Nigeria. It therefore finds the following:
  1. Delayed payment challenge, financial risk, design risk, security risk, equipment productivity risk, kidnapping, community unrest, material supply challenges, and flood are all risks in construction industries in south east geopolitical zone of Nigeria.
  2. Flood and volcanic eruptions are not risks in the construction industry in the study area.
  3. Program Evaluation Review Technique is the most effective risk management practice in Nigeria.
  4. Transfer of risks to Insurance businesses is ineffective in Nigeria currently.
  5. Program Evaluation Review Technique, Analytical Hierarchy and Probability Impact Methods of risk management conform to sustainable development practices and hence they are recommended for use in management of risk in Nigeria.