Contingency reserve and management reserve are options to respond to risks so that these risks do not compromise the project.
A. Contingency Reserves
- Termed “known unknowns,” or risks that have been kept in the risk register and can be part of the overall risk response strategy.
- Project Managers are typically authorized to spend what is in the contingency reserve to address risks as they occur.
- The project manager is accountable for its use.
- The main inputs in developing the contingency reserve are the risk register and a quantitative analysis technique used to calculate the cost of each risk.
- Expected Monetary Value (EMV), a statistical technique, is the quantitative analysis technique used to arrive at such calculations.
- The two inputs to EMV are the probability of a risk occurring (expressed as a percentage) and the impact of the risk occurring (expressed in some time or monetary measure). Brainstorming and expert judgment could help getting this data. The formula for EMV is:
EMV = probability x impact
B. Management Reserves
- Termed “unknown unknowns,” are kept aside to cover risks that occur but were not accounted for.
- Typically set by upper management as a buffer against any unknown risks.
- Along with the cost baseline (cost estimates + contingency reserves), the management reserve is the final piece of the cost budget.
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