This recommended practice (RP) of AACE International defines the general practices and considerations for combining parametric and CPM-based methods for risk analysis and contingency assessment in construction-based projects. These integrated cost and schedule risk analysis (ICSRA) methods can be combined provided steps are taken to avoid double-counting sources of risk.

The RP defines the combination of the two methodologies to avoid double-counting of risk, not the source methodologies themselves. For those, refer to AACE RP 42R-08 and to AACE RP 57R-09.

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