PMBOK 6: Critical Path Method
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- เผยแพร่เมื่อ 27 ก.ย. 2018
- This video talks about the most important Tool & Technique of the Develop Schedule-Critical Path Method.
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Critical Path Method helps us in arranging the activities based on their dependency and visualization of those activities so that we can identify when the overall work is going to finish. The project comprises of many tasks, some of these can be done parallelly and some cannot be done parallelly. It is difficult to manage what can be done parallelly and what cannot be. Some mechanism is required to arrange activities based on dependencies, critical path method can help in this.
An example of four activities is taken in the video. All these activities are in Finish to Start Relationship (FS)
Here activity B & D can be done in parallel. Calculate Early Start, Early Finish & Late Start and Late Finish of all the activities. The goal of the project is figuring out when earliest the project can finish. A critical path is the longest path and characterized by zero total float on the critical path.
Use the formula Duration= EF - ES or LF - LS. In case of parallel activities, the early finish of Activity taking longer time is considered. What is Late Start & Late finish, keeping the end date of the project as Day 30, how late can the activity be started and how late can it be finished. LS and LF of last Activity are equal to its ES and EF. The float is the flexibility between LF and EF or LS and ES. In this example Activity B has the flexibility of 5 days without any impact on the overall project; the Critical Path here is ACD.
Critical paths may have positive,0, or negative total float depending on the constraints applied. Positive total float is caused when the backward pass is calculated from a schedule. Negative float analysis is a technique that helps to find possible accelerated ways of bringing a delayed schedule back on track.
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Hi Sir, today I had my PMP exam and had cleared it in my first attempt. I must say your videos helped me more than any other study materials.Your way of teaching and clearing the fundamentals made things easier for me while preparing for the exam. Wish you and your team all the success and please continue your good guidance.
Sir, this is by far the best and simplest explanation! You are brilliant!
Can you not take zero at the beginning? Makes it simple
Instead of 1 if you starts from Zero, that will be bit easier. Rest this is really informative and easy to learn..
Sir i have a question,like in some examplesi have seen people doing it differently, like here for Activity A they have started from day 0 & calculated EF as 0+5=5 ,not deducting 1, why is it sir ?
Really nice explanation. Very good
Hello sir , could you please explain to us how to reduce the total float in primavera p6. Thank you in advance
This was so helpful
You're just nice.
Great video, just 1 question can there be more than one critical path if yes then how to proceed?
I like the 'last man to finish eating' analogy in explaining the critical path. Great explanation, thank you
Great video. Helps me a lot to complete my project !
THANK YOU for simplifying this. I think it was very important for you to call out the misconception/confusion between the longest duration and the minimum project duration! Well done!
Sir, you are simply the best. Thanks for amazing videos.
This was perfect! Great explanation and very entertaining! keep up the great work and Thank You for your help!!!!
I'm only 1/2 way through but am fully entertained and getting the lesson. Love the energy, and the eating example. We came together, we leave together, that's it (waving my hands like he did) LOL Thank you for making this!
Thank you very much! You explained the things so clearly!
Thank you! Some of the other videos were going over to fast and not providing information so I finally got it after watching your video!! If I have other questions regarding other Project Management methods for my exam I'll look for more of your videos.
Really amazing ! Clearly explain on the topic. Thumb up for you.
Great explanation !! Thank you!