Chapter 6: Project Management
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project management techniques which have been created out of the need of industrial and military establishments to plan, schedule and control complex projects
PERT-CPM
primarily to simplify the planning and scheduling the large and complex projects to handle uncertain activity times, initially for the Polaris missile nuclear submarine project
PERT/ Program Evaluation and Review Technique
statistical tool used in project management which was designed to analyze and represent the tasks involve in completing a given projects, especially the time needed to complete the task and minimum time needed to complete the total project
PERT/ Program Evaluation and Review Technique
It is for industrial projects for which activity times generally were known, the computation was design for a computer and was first applied to the construction of a new chemical plant
CPM/ Critical Path Method
developed by U.S. Navy in 1957
PERT/ Program Evaluation and Review Technique
developed by DuPont & Remington Rand in 1957
CPM/ Critical Path Method
have been used to plan, schedule, and control a wide variety of project
PERT-CPM
Managerial Functions
-Planning -Scheduling -Control
Function of PERT-CPM
a. Research and design of new products and processes b. Construction of buildings and highways c. Maintenance of large and complex equipment d. Design and installation of new systems
PERT-CPM can answer the ff:
a. Total time to complete project b. Scheduled start and finish dates for each specific activity c. Critical Activities d. Exact time/days/weeks that non-critical activities can be delayed
events that immediately precedes the next event without any intervention
predecessor event
an event that immediately follows a previous event without any intervention
successor event
Earliest Start/ ES
maximum Earliest Finish/ 0 for no predecessor
Earliest Finish
Earliest Start + Completion Time
Latest Finish
minimum Latest Start/ maximum Earliest Finish for not immediate predecessor
Latest Start
Latest Finish - Completion Time
path of the activities, from the Start node to the Finish node, with 0 slack times
Critical Path
Project Completion Time
equal the maximum Earliest Finish