The term float is associated with the activity
times. It is analogous to the term slack which
is associated with the event times.
Float denotes the range within an activity
start time or its finish time may fluctuate
without affecting the comple
The difference between the latest allowable time
and the earliest expected time of an event:
It means more time to work, less to worry about!
Positive slack ahead of schedule condition (excess
Zero slack: on schedule co
Forward planning: Planner starts from the
initial event toward the end event.
Backward planning: Planner starts with the end
event and arranges the events and activities
until the initial event is reached.
Combined planning: Planner follo
Project Management Overview
Elements and Development of Network
A project is composed of jobs, activities,
functions, or tasks that are related to one
Every project st
Fig. 3-5 System engineering method
top-level flow diagram
Systems Engineering Method
The set of System Engineering activities that tends to
repeat from one phase to the next has been referred to
SE method. It is also called systems engineering
Definition: The evolution of a particular new
system from the time when a need for it is
recognized and a feasible technical approach
is identified, through its development and
introduction into operational use is referred
as the system developme
Modeling is one of the basic tools of SE specially
when unambiguous and quantitative facts are not
The purpose of making model is to define a
relatively simple and readily understood
Hierarchy of complex systems:
What is SE?
Power of SE
Guide: To lead, manage, or direct to show the
way. You have the light. It is critical.
Engineering: The application of scientific
principles to practical en