A Dual Control Mode of Major Risks and Its Practice

In order to explore a new path for major risk control of rail transit engineering under the EPC management mode in China, a “dual control mode” of centralized control by EPC project teams and inspection control by third party was introduced. This “dual control mode” was aimed at the unique needs of major risk identification, process control, and post-evaluation in rail transit engineering. Firstly, the major risks of rail transit projects were identified, and a risk list was output by taking a certain rail transit project as an example. Secondly, a graded management and control of major risks under the PEC mode was proposed, and a risk management structure involving the employer, EPC project team, construction subcontractor, third-party risk management agency and engineering insurance institution was constructed. Then, the process of risk management was designed, including risk assessment, risk grading, risk management plan, response plan, process control, risk identification, risk tracking, and post evaluation. Finally, taking a certain rail transit project as an example, a specific application of the “dual control mode” was introduced. Effective control of safety risks of large bridge and tunnels in rail transit projects was achieved by introducing risk survey of market-oriented third-party professional agency. The results show that the “dual control mode” of centralized control by EPC project teams and inspection control by third party can effectively control major risks of rail transit project under EPC management mode, and has reference significance for major risk management and control of rail transit engineering and other projects under EPC management mode.