
236 • Practical Project Management for Building and Construction
6.11.9.1 Risk Priority Number
If the RPN is used, the PM can, for instance, decide that a risk response
should be planned for all events with a risk exposure greater than or equal
to 10 or 12 (5-point scale). All events that have the highest impact assess-
ment, such as 5 on a 5-point scale or 7 on a 7-point scale, should be crash-
planned. ere should at least be a contingency plan or emergency plan
for these events. When the result is the same R
x
gure, the event with high
impact gets higher priority than an event with high probability. Events in
the range of 6–10 should be