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Primavera Scheduling

All posts tagged Expected Finish

Primavera SchedulingSome features of Primavera P6 are easy to ignore without a better appreciation of their true benefits. Expected Finish dates are a good example. The concept is pretty simple: pick a date when a task is expected to finish and – presto – the Remaining Duration is automatically adjusted to achieve the desired date. This works in all versions of Primavera scheduling software: P6 Professional, P6 EPPM and Primavera Contractor.

We typically use Expected Finish dates for long-lead items with big durations. It can take several months to fabricate and deliver specialized equipment, which means the task will span several update periods. So rather than have to manually adjust the Remaining Duration during every update, Expected Finish dates basically automate this process for us.

Several years ago on a project in Calumet City, IL the time required to procure blowers for a new building was nearly 18 months so I prepared a special procurement fragnet to more accurately track the blowers’ progress. My normal procurement fragnet of submit > review > fabricate/deliver was not enough for such an important long-lead item. This was a blower facility, after all, so if the blowers arrived late we would have had a major problem. With this in mind, I set up a series of activities to track the fabrication in Germany, transport to the port, loading on the ship, and the voyage to America.

There is perhaps one small catch with Expected Finish. We only recommend using Expected Finish dates on activities with progress. Once a task has started it is easier to decide whether a particular finish date is still valid. Otherwise, if the preceding logic is changed you might wind up with a very large Remaining Duration because the task is now starting much sooner than before.

Conversely, if an activity starts much later than anticipated because of re-sequencing the original Expected Finish date may be unrealistic (and possibly before the actual start date, which will obviously seem weird). So we are much better off waiting until the task has begun before putting too much faith in the Expected Finish date. We can verify that the preceding tasks are finished and therefore be more confident that no other obstacles remain.

There are just three steps required to set up an Expected Finish date. First, make sure you have checked the box next to Use Expected Finish Dates under the Schedule Options, as seen below:

Primavera Scheduling

 

 

 

 

Second, select an Expected Finish date under the Status Tab in the Activity Details window. In the example below I have selected February 19, 2016 as the Expected Finish date, which is about a month later than the current Finish date:

Primavera Scheduling

 

 

 

 

 

And third, schedule the project. The Finish date will now match the Expected Finish date. Note that if the Expected Finish date is not a normal work day according to the activity’s calendar then the next available work day will be selected instead.

What I like most about Expected Finish dates is that it reinforces the accuracy of the current Finish dates. In other words, the current Finish dates are not the product of Remaining Durations that may or may not have been verified recently. The Expected Finish dates tell me these are good dates.

One last consideration. If you are updating a cost-loaded schedule then I recommend using Physical as your % Complete Type. This allows us to update the Remaining Duration (via Expected Finish) independent of the percent complete used to calculate Earned Value.