What are Some Common Criteria for When Schedule Rebaselining is Required

Scheduling

John Bacon Project Manager /Agile Product Owner| Not Disclosed Fl, United States

I'm developing a schedule management plan for my project and my organizations PM maturity level is still at an Ad-Hoc level. In the schedule management plan in the schedule changes section, I'm trying to come up with the events or conditions that would prompt a schedule to have to be rebaselined. A couple thoughts I had were:

1. If an approved change request results in an increase or decrease in overall schedule duration by 10% or more.
2. If the Duration Variance (Difference between Baseline Duration and Actual Duration) for the overall project reaches 15%, likely because many of the tasks are finishing behind schedule

What other criteria might I include that would require rebaselining a project schedule?

Posted: Aug 9, 2022 8:20 AM

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Peter Rapin Subject Matter Expect; Project Delivery| Independent Consultant Ontario, Canada

Jul 31, 2024 2:22 PM

Replying to M. Hosney Abdelgelil

...

Greetings y'all. I am in a serious debate with a contractor that his baseline schedule should match exactly the time stipulated in the contract. The contractor said he can finish the project in less time than the contract and I advised him to comply with the contract for the Baseline and then logically provide for an earlier date if he wishes.

I am reluctant to approve a baseline that is shorter than the contract duration in worries over future disputes. Any one had a similar situation and maybe wrote a disclaimer for the approval under this premis?

Thanks in advance.

There is some confusion as to the purpose of the baseline schedule. The contractor's baseline represents what he wishes to accomplish in order to maximize his profit or benefit from delivering the project. I am assuming here that he is on some sort of lump sum/fixed price contract won as a result of a tendering competition.
His baseline schedule is not necessarily the schedule defined in the contract (contract schedule) nor does it become the contract schedule. You need to look at the contractor's schedule to see if there are any issues related to you delivering access to the site or coordination issues with operations and other stakeholders. If his schedule makes demands (or constraints) that you can't accept or meet then you go back to the contract schedule to try and resolve. With that being said it behooves you to accommodate the contractor to "avoid future disputes".
I don't understand your need to approve his baseline schedule other than for the concerns noted in the previous paragraph.
My response would be to insist he identifies the coordination issues, define where his changes may affect the other stakeholders and advise that the conditions and constraints of the contract remain enforceable.
As a further note if you "approve" the contractor's submitted schedule you may be accepting unnecessary risk.

Posted: Jul 31, 2024 5:48 PM

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What are Some Common Criteria for When Schedule Rebaselining is Required

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