The document discusses critical path calculations and Gantt charts for project scheduling. It defines key terms like critical path, critical activities, and float. It describes the two phases of critical path calculations - the forward pass and backward pass. The forward pass calculates earliest occurrence times while the backward pass calculates latest occurrence times. It provides an example problem calculating the minimum time and identifying critical path activities. Finally, it outlines the benefits of Gantt charts for illustrating time-based activities on a horizontal timescale and monitoring project progress.
Critical Path Method: Activities And Events, Float/SlacksPrasad Thanthratey
A presentation on Critical Path Method: Activities And Events, Float/Slacks course of Construction Management from students of 10th Semester Architecture at VNIT, Nagpur (January- April 2018)
Critical Path Method: Activities And Events, Float/SlacksPrasad Thanthratey
A presentation on Critical Path Method: Activities And Events, Float/Slacks course of Construction Management from students of 10th Semester Architecture at VNIT, Nagpur (January- April 2018)
CPM- Critical Path Method in Project Management.CPM is a Project Schedule Modeling technique. It manages both the time and cost of the project. CPM is commonly used in conjunction with the Program Evaluation and Review Technique (PERT).CPM aids in project planning, scheduling, and controlling.For bigger projects, CPM networks can be too complicated
Critical Path Method Presentation provides a basic concept about what is critical path and how it is calculated. Term 'critical path' is used not only in Business but also in engineering, mathematics and project management.
The critical path method (CPM) is a step-by-step project management technique for process planning that defines critical and non-critical tasks with the goal of preventing time-frame problems and process bottlenecks. The CPM is ideally suited to projects consisting of numerous activities that interact in a complex manner.
CPM- Critical Path Method in Project Management.CPM is a Project Schedule Modeling technique. It manages both the time and cost of the project. CPM is commonly used in conjunction with the Program Evaluation and Review Technique (PERT).CPM aids in project planning, scheduling, and controlling.For bigger projects, CPM networks can be too complicated
Critical Path Method Presentation provides a basic concept about what is critical path and how it is calculated. Term 'critical path' is used not only in Business but also in engineering, mathematics and project management.
The critical path method (CPM) is a step-by-step project management technique for process planning that defines critical and non-critical tasks with the goal of preventing time-frame problems and process bottlenecks. The CPM is ideally suited to projects consisting of numerous activities that interact in a complex manner.
A project is an interrelated set of activities that has definite starting and ending points and that result in a unique product
or service
• Cuts across organizational lines - they need varied skills of different profession
• Uncertainties like new technology & external environment can change the character of the project
• Personnel, materials, facilities etc. are temporarily assembled to accomplish a goal within a specified time frame and then disbanded
• Upon finish, a project releases lot of resources which were engaged in execution of the project
Critical Path MethodIntroductionOnce you have the network diag.docxannettsparrow
Critical Path Method
Introduction
Once you have the network diagrams for the activities, as well as the activity duration estimates, you can begin scheduling the project. The critical path method (CPM) is one of the key techniques for developing a project schedule.
In a schedule network diagram, the critical path is the longest full path linking activities that must be performed in sequence. It's important to identify this path, because if one of its activities is delayed, the end date of your project is delayed too.
CPM provides a way to calculate four time boundaries:
· the early start date, which is the earliest possible start date for each activity to begin
· the early finish date, which is the earliest date each activity can end
· the latest start date, which is the latest possible time for each activity to begin
· the latest finish date, which is the latest date each activity can end
CPM involves completing three steps:
1. performing a forward pass through the network diagram
2. performing a backward pass to check your initial results
3. calculating the float for each activity to determine the critical path
The forward pass
The first step in CPM is performing a forward pass through the schedule network diagram so you can establish the early start and finish dates for each activity. This is done so that resources, such as project team members and equipment, can be allocated as soon as possible. Allocating resources assists in determining project expenditure and therefore establishing the project budget.
When performing a forward pass, you begin with the first activity in the network diagram and move forward. You
1. record the earliest date the first activity can start
2. add the duration of this activity to the early start date
3. subtract one day from the result
Some project managers find it useful to record activities' start and finish times in the network diagram. The early start is usually filled in on the top left corner of each activity block, with the early finish date shown in the right corner.
The backward pass
The second step in determining the critical path for a project is to perform a backward pass through the schedule network diagram.
You perform the backward pass to establish the latest start and finish dates for the project to remain on schedule.
In a backward pass, you start at the end of the project and work back, subtracting the estimated duration of each preceding activity.
To begin the backward pass, the late finish date will either be a hard date that's been set or the early finish date of the last activity in the project. An example of a hard date may be a deadline that determines the project's end date.
To calculate the late start date, you
1. subtract the duration of the last activity from its late finish date
2. add one day because the last day of the project is included as a working day
As you work backward through the schedule network diagram, the late finish date will fall on the working day preceding the lat.
Critical Path Explained With 7 Q&As and a Free Excel TemplateSHAZEBALIKHAN1
The critical path method is the most used project management technique. Learn the CPM with 7 FAQs ranging from definition to method, process, tests. The attached excel sheet (hyperlinked in the article) explains the implementation of CPM in a project schedule.
Introduction
Why knowledge and knowledge management
What is KM
Knowledge Evolution Process
Types of Knowledge
KM Approaches – Overview
Knowledge Creation Model
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A Memorandum of Association (MOA) is a legal document that outlines the fundamental principles and objectives upon which a company operates. It serves as the company's charter or constitution and defines the scope of its activities. Here's a detailed note on the MOA:
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Association Clause: It simply states that the subscribers wish to form a company and agree to become members of it, in accordance with the terms of the MOA.
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4. The expected time, TE, Standard deviation
and variance
TE = (a +4m +b2)/6
where
a optimistic time estimate
b pessimistic time estimate
m most likely time estimate, the mode
5.
6.
7.
8.
9. CRITICAL PATH CALCULATIONS
Critical Path: is the path through the network that takes
the longest total time. It therefore determines the earliest
possible time the project can be completed.
Critical path requires more careful monitoring, because if
they are not completed on time, the project will be late –
unless the subsequent activities are completed in less than
the scheduled time.
10. CRITICAL PATH CALCULATIONS
Critical Activity: An activity that has total float equal to zero. All
Activities on the critical path are known as Critical Activities.
Float/Slack: Float is the time available to retard or advance
the start time of an activity without delaying the completion of
the project.
11. CRITICAL PATH CALCULATIONS
The critical path calculations include two phases.
Forward Pass
Backward Pass
Forward Pass: The first phase is called the forward pass, where calculations
begin from the “start” node and move to the “end” node. At each node a
number is computed representing the earliest occurrence time of the
corresponding event.
Backward Pass: The second phase, called the backward pass, begins
calculations from the “end” node and moves to the “start” node. The number
computed at each node (shown in triangles Δ) represents the latest
occurrence time of the corresponding event.
12. Activity Days Precedents
a Schedule of liabilities 3 -
b Mail confirmation 15 a
c Test pension plan 5 a
d Vouch selected liabilities 60 a
e Test accruals 6 d
f Process confirmations 40 b
g Reconcile interest 10 c, e
h Verify debt compliance 7 f
i Investigate balances 6 g
j Review payments 12 h, i
Q#1 Draw the network and calculate the CP, and slack
times of activities
13. Question #2
A project consists of Six activities: A,B,C,D, E, F. A and B have no
preceding activities, but activity C requires that activity B must be
completed before C can begin. Activity D cannot start until both
activities A and B are complete. Activity F can start any time.
Activity E requires activities A and C to be completed before it can
start. If the activity times are A: 10 days; B: 4 days; C: 8 days; D: 3
days, E = 2 days, and F: 1 day,
Find out the minimum time possible to complete this project.
Are there any critical path activities? Which one are those?
Take no more than 20 minutes to solve the above problem. You may consult with
each other.
14. Gantt Charts
“A manner of illustrating multiple, time based
activities on a horizontal time scale”
The Gantt chart shows planned and actual progress
for a number of tasks displayed against a horizontal
time scale
It is an effective and easy-to-read method of
indicating the actual current status for each set of
tasks compared to the planned progress for each
item of the set
It can be helpful in expediting, sequencing, and
reallocating resources among tasks
Gantt charts usually do not show technical
dependencies
Chapter 8-14
16. Gantt Charts
There are several advantages to the use of Gantt
charts:
Even though they may contain a great deal of
information, they are easily understood
While they may require frequent updating, they are easy
to maintain
Gantt charts provide a clear picture of the current state of
a project
They are easy to construct
Chapter 8-16