10767278
Beschreibung
Mindmap von John Monge, aktualisiert more than 1 year ago
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Erstellt von John Monge
vor etwa 7 Jahre
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Critical Path Analysis (CPA), Program Evaluation and
Review Technique (PERT) & Gantt Charts (A2 ICT)
- What is Critical Path Analysis?
- Definition - Shows the relationship between the different
parts of the project. The process of identifying how the
tasks within the project fit together so that all tasks occur
in a logical order.
- Identifies the critical path for
a project - each stage of the
path will take maximum time
to complete.
- Defines a critical path in order for the
project to be successful and completed in
time.
- Enables resources to be
allocated provisionally.
- The application of slack, lead and
lag time can be built over to cover
any slippage in the project.
- Provides a firm idea tasks and projects are
supposed to be completed.
- The process identifies all of the tasks planned
within the project, which fits together. Therefore,
all tasks occurring will lead in a logical order with
minimal delay and resourcing issues.
- Important that
enough time is
allocated to each
task
- The project manager can see the
order in which tasks have been
completed
- Definition - Shows the relationship between the different
parts of the project. The process of identifying how the
tasks within the project fit together so that all tasks occur
in a logical order.
- What is a Gantt Chart?
- Definition - A diagram that shows each task
as a block of time. Each block of time is
labelled with the title/description of the
task and the amount of time the block
represents
- Displays how long the
activity/task is expected to take
and the order in which these will
occur.
- Contains: Milstones - important
checkpoints or interim goals for a
project, Resources -
people/equipment needed, Status -
shows the progress of each task,
Dependencies - activities which are
dependent on activities being
completed first or at the same time
- Modelling how long the
overall project will take and
where the projected
pressure points are.
- Show the critical
path as the longest
sequence of
dependent tasks.
- Definition - A diagram that shows each task
as a block of time. Each block of time is
labelled with the title/description of the
task and the amount of time the block
represents
- What is Programme Evaluation Review Technique (PERT)?
- Definition - A PERT chart is a project management tool used to schedule, organize, and
coordinate tasks within a project. A methodology developed by the U.S. Navy in the
1950s to manage the Polaris submarine missile program. It has the potential to reduce
the time taken for the project to be planned out and also costs.
- The PERT chart presents a graphic illustration
of a project as a network diagram consisting of
numbered nodes representing events, or
milestones in the project linked by labelled
vectors representing tasks in the project.
- Each directional
lines indicate the
sequence of tasks.
- Each directional
lines indicate the
sequence of tasks.
- Keywords
- Milestone -
marking the
completion of
one or more
activities
- Activity - A task
that must be
performed
- Slack time - when a
non-critical path
activity can be
delayed without
delaying the project
is referred to as
slack time.
- Milestone -
marking the
completion of
one or more
activities
- Before an activity can start, all
predecessor activities must be
completed, Most models
present a list of activities and
milestones by arcs and nodes.
- Steps of
planning a PERT
system
- 1) Identify the specific activities and milestones
- 2) Determine the proper sequence of the activities
- 3) Construct a network diagram
- 4) Estimate the time required for each activity
- 5) Determine the critical path
- 7) Update the PERT chart as the project progresses
- 7) Update the PERT chart as the project progresses
- 5) Determine the critical path
- 4) Estimate the time required for each activity
- 3) Construct a network diagram
- 2) Determine the proper sequence of the activities
- 1) Identify the specific activities and milestones
- The PERT chart can be modified
to reflect on the new situation.
The estimated times can be
replaced with actual times.
- Advantages
- Expected project completion
time.
- Probability of completion before a
specified date.
- The critical path activities that directly
impact the completion time
- The activities that have slack tine and that can lend
resources to critical path activities.
- Listing the start and end dates of an
activity
- Expected project completion
time.
- Definition - A PERT chart is a project management tool used to schedule, organize, and
coordinate tasks within a project. A methodology developed by the U.S. Navy in the
1950s to manage the Polaris submarine missile program. It has the potential to reduce
the time taken for the project to be planned out and also costs.
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