PERT Program Evaluation
and Review Technique
M-.u ch has been written recently about PERT and its companion CPM.
It is difficult to pick up a business or technical publication nowadays
without finding an article on the subject. Lately, we have also been
hearing about PERT/COST. What is PERT? Why is it such a popular
subject now? And how does it affect us in Touche, Ross, Bailey & Smart.
PERT and CPM are management devices which deal with the planning,
scheduling, and controlling of complicated programs where many
inter-related events must take place in a given sequence in order to
produce a particular end result. An excellent example of such a program
is the design and construction of a space craft or a missile. But examples
with which we are more familiar in everyday business are construction
An oval represents a completed event.
An arrow represents an activity, the
number refers to the units of time
(days in this case) required to complete
_ The heavy arrows represent the criti-
"*^""" cal path — the longest path through
[ ^ f COMPLETED ]~