
122 Managing projects as investments: Earned value to business value
In our immunization program, once we eliminate Activities I and J
and the resulting drag of 6 days, we have optimized the schedule to the
tune of 182 additional lives saved. However, we have also changed the
implications of eliminating the drag of the testing activities, Activities G
and H. Activity H still has drag of 4 days (elimination of other activi-
ties can sometimes change the drag totals, although not in this particu-
lar case). But once we have eliminated Activities I and J, the key dates
forimmunization delivery all changed and with them the implications for
saving ...