Expand your PMP skill-set by enrolling in one of our professional training courses today. Our 21 learning modules and 5 full-length practice tests will give you the confidence you need to suceeed.
Hammocks
A hammock groups activities, milestones, or other hammocks together for reporting. A hammock's milestone number ranges from 95 to 99. This allows for five levels of summation. For example, two hammocks at the 95 level can be combined in a 96 level hammock. Any number of hammocks are allowed within the five levels for a project. Most PM software calculates the duration of a hammock from the early and late dates of the activities to which it is linked.
Source