How to use EVM to manage a project
This article explains how to set? Uvre EVM in your style of project management so that your plans are accurate, timing and budget !!
First, identify all tasks and the organization into sub-groups .
Then, divide the budget and schedule tasks. Each activity must be provided BAC (Budget at Completion ).
Third, give each task a duration
earned value is also known as the budgeted cost of work performed, or BCWP. It is what must have been spent to do the job that you really are a date.Earned value is calculated in percent completed * BAC (Budget at Completion). * BAC is the total approved budget for a task .* AC (actual cost) is the total AMNT. spent on a task until the current date is * Percent Complete task progress. For example, a task to the earned value (cost of work performed from the current date) and 2520.00 and 4000.00 of the BAC then you have a completion of 63 percent %.
EV can be calculated weekly, monthly, or that progress has been made. The last is the one I use most often just to stay organized, track progress, and be able to keep stakeholders informed .
Then you must calculate the expected value (PV), also known as the cost of regular work or BCWS. This is how the words, you should have spent performing a task that should have been done on a given date .
Now that you’ve created and EV PV, you must now establish SV and CV. SV Schedule Variance is that is how we did the work based on how we planned to do. Eg if we need to have completed a value of $ 1000 and we have only $ 800 and $ 200, we are lagging behind .
CV Cost Variance, which is calculated by subtracting and EV AC. In carrying out the $ 800 worth of work in May we spent $ 900. In this case, we are more than $ 100 budget is .
Next CPI (Cost Performance Index) and SPI (Schedule Performance Index). SPI is EV divided by PV; how we do against the calendar. If we made a value of $ 800 when we made $ 1,000, so our SPI is 80%. We are now 20% of delay .
CPI EV / AC, how we do against the budget. If we spent $ 900 to $ 800 the value of work, then our CPI is 89% and we are more than 11% of the budget .
If we did 20% of a draft 5000 $ SPI and have 80% and 89% in the CPI, which is a worrying trend .
Finally, EAC (estimate at the end), which is BAC / CPI. This answers the question: “What will the total cost will be?” It is also a very important tool in EVM because it allows us to predict the final performance of the project and determine whether remedial action should take place and, possibly, Senior Mgmt not po
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