Earlier in my career, I worked in a chemical manufacturing plant. In the control room, we didn’t wait for a report to tell us something was going wrong. We watched trends on product concentration, productivity and quality, and we could see how a change in one subprocess affected the next one. Because of that, we could step in before a deviation turned into a real problem.
I’ve worked in construction project management for years now, and I keep coming back to that experience. On most projects I’ve seen, the main controls are still snapshots: a weekly report, a monthly schedule update, a cost report. They answer “Are we behind?” They rarely answer “What changed in the system that put us behind?”
Here is what I mean. Suppose production, workforce, cost, schedule, quality, constraints, work-front readiness and team commitments were all tracked as connected trends over time, instead of as separate KPIs. You would expect to see a sequence like this:
readiness starts to deteriorate
constraints accumulate
productivity changes
commitments become less reliable
schedule performance starts to drift
By the time the drift shows up in the schedule, the earlier signals were already there.
The point isn’t surveillance or finding someone to blame. It’s about traceability, root-cause analysis and learning while there’s still time to act.
I’ve also come to think that seeing a trend isn’t enough on its own. A signal only becomes control when it is linked to three things:
a threshold that says when to act
an owner who is responsible for responding
an intervention path that is still open
Without those, a trend is just one more chart on a screen.
I’d like to hear from people working in construction and other industries:
If you could keep just one project trend on a “control-room screen” at all times, which would it be, and why?
In your experience, which signal has given you the earliest warning that a project was starting to drift?
Has anyone set up thresholds with named owners for leading indicators like constraints or readiness, rather than only for lagging ones like SPI/CPI? What worked, and what didn’t?
Senior Projects Manager | Field & Marten AssociatesNew Westminster, British Columbia, Canada
Eduardo, I think there is an important distinction between manufacturing and construction. In manufacturing, processes are relatively repeatable and controlled, so monitoring trends can lead to direct process improvements. Construction projects, however, are much more dynamic and project-specific, with changing site conditions, design developments, subcontractors, interfaces, and external constraints.
Leading indicators are certainly valuable, but unlike a production line, not every deviation can be controlled or corrected through process adjustments. I believe the real challenge in construction is distinguishing between signals that can be managed proactively and risks that require adaptation rather than simply tighter control.
...
1 reply by Eduardo Fernandes de Freitas, CAPM®
Nov 11, 2026 2:31 PM
Eduardo Fernandes de Freitas, CAPM®
...
Thanks, Rami. That’s an important distinction, and I agree with it. A construction project isn’t a production line, and it would be a mistake to manage it as if every deviation could be fixed by tightening control.
What I took from the control room wasn’t the repeatability, though. It was the visibility. Even in a plant, some disturbances can’t be removed at the source. A change in raw material quality is one example. What the trends gave us was time to decide how to respond, which sometimes meant correcting the process and sometimes meant adapting the plan around something we couldn’t control.
I think that’s close to the distinction you’re describing. A leading indicator doesn’t tell us whether to control or to adapt, but it can give us the time to make that call while there are still options. For example, a growing backlog of open constraints might be something the team can clear. Or it might be a sign of a design or interface issue that calls for resequencing instead.
So maybe the real value of trends in construction isn’t tighter control. It’s earlier and better-informed decisions about which kind of response a signal calls for.
In your experience, how do you tell, early on, whether a deviation can be managed proactively or needs adaptation instead?
Eduardo, I think there is an important distinction between manufacturing and construction. In manufacturing, processes are relatively repeatable and controlled, so monitoring trends can lead to direct process improvements. Construction projects, however, are much more dynamic and project-specific, with changing site conditions, design developments, subcontractors, interfaces, and external constraints.
Leading indicators are certainly valuable, but unlike a production line, not every deviation can be controlled or corrected through process adjustments. I believe the real challenge in construction is distinguishing between signals that can be managed proactively and risks that require adaptation rather than simply tighter control.
Thanks, Rami. That’s an important distinction, and I agree with it. A construction project isn’t a production line, and it would be a mistake to manage it as if every deviation could be fixed by tightening control.
What I took from the control room wasn’t the repeatability, though. It was the visibility. Even in a plant, some disturbances can’t be removed at the source. A change in raw material quality is one example. What the trends gave us was time to decide how to respond, which sometimes meant correcting the process and sometimes meant adapting the plan around something we couldn’t control.
I think that’s close to the distinction you’re describing. A leading indicator doesn’t tell us whether to control or to adapt, but it can give us the time to make that call while there are still options. For example, a growing backlog of open constraints might be something the team can clear. Or it might be a sign of a design or interface issue that calls for resequencing instead.
So maybe the real value of trends in construction isn’t tighter control. It’s earlier and better-informed decisions about which kind of response a signal calls for.
In your experience, how do you tell, early on, whether a deviation can be managed proactively or needs adaptation instead?
...
1 reply by Rami Kaibni
Nov 11, 2026 3:00 PM
Rami Kaibni
...
I think this is exactly why a hybrid project management approach makes sense in construction. We need agility during design, when uncertainty and changes are inevitable, and a more structured, sequential (waterfall) approach during construction, when coordination, sequencing and execution become critical.
At the same time, Lean Construction principles, such as Just-in-Time procurement, constraint management and look-ahead planning, help maintain flexibility and identify problems before they affect the critical path.
Ultimately, I think the key is not just identifying deviations early, but having the right management approach to respond to them. Some issues call for corrective action, others require adapting the plan. Knowing the difference is what makes project controls valuable and it's just the nature of construction projects.
Senior Projects Manager | Field & Marten AssociatesNew Westminster, British Columbia, Canada
Nov 11, 2026 2:31 PM
Replying to Eduardo Fernandes de Freitas, CAPM®
...
Thanks, Rami. That’s an important distinction, and I agree with it. A construction project isn’t a production line, and it would be a mistake to manage it as if every deviation could be fixed by tightening control.
What I took from the control room wasn’t the repeatability, though. It was the visibility. Even in a plant, some disturbances can’t be removed at the source. A change in raw material quality is one example. What the trends gave us was time to decide how to respond, which sometimes meant correcting the process and sometimes meant adapting the plan around something we couldn’t control.
I think that’s close to the distinction you’re describing. A leading indicator doesn’t tell us whether to control or to adapt, but it can give us the time to make that call while there are still options. For example, a growing backlog of open constraints might be something the team can clear. Or it might be a sign of a design or interface issue that calls for resequencing instead.
So maybe the real value of trends in construction isn’t tighter control. It’s earlier and better-informed decisions about which kind of response a signal calls for.
In your experience, how do you tell, early on, whether a deviation can be managed proactively or needs adaptation instead?
I think this is exactly why a hybrid project management approach makes sense in construction. We need agility during design, when uncertainty and changes are inevitable, and a more structured, sequential (waterfall) approach during construction, when coordination, sequencing and execution become critical.
At the same time, Lean Construction principles, such as Just-in-Time procurement, constraint management and look-ahead planning, help maintain flexibility and identify problems before they affect the critical path.
Ultimately, I think the key is not just identifying deviations early, but having the right management approach to respond to them. Some issues call for corrective action, others require adapting the plan. Knowing the difference is what makes project controls valuable and it's just the nature of construction projects.
...
1 reply by Eduardo Fernandes de Freitas, CAPM®
Nov 11, 2026 4:15 PM
Eduardo Fernandes de Freitas, CAPM®
...
Agreed, Rami. And Just-in-Time procurement is a good way into what I think is the most underused part of look-ahead planning: the make-ready process.
On many projects, the look-ahead is just the master schedule zoomed in to the next six weeks. Make-ready works differently. Every activity in the window gets screened with one question: is it ready to be done? If something is missing, that’s a constraint, with an owner and a date it has to be cleared by. I find it helps to treat everything that isn’t ready as a constraint, and not only the items that usually get tracked:
Seen this way, procurement isn’t its own process running beside the schedule. It’s one category of constraint, managed in the same weekly cycle as everything else. A late delivery and an unanswered RFI end up in the same place: an activity that can’t be released to the field.
This also connects back to where we started. The trend in open constraints, how many there are, how old they are and how fast they’re being cleared, is one of the earliest warning signals a project has. If constraints are piling up three or four weeks out, the problem is visible before it reaches the critical path, while there’s still time to clear them or resequence.
To me, that’s where this conversation comes together. The control room showed me the value of seeing trends early. Your point about adapting versus controlling shapes how we respond to them. And make-ready is where the two meet in practice: every week, the team decides which constraints it can clear and where it has to change the plan.
Thanks for the thoughtful exchange, Rami. It sharpened my own thinking on this. I’d be glad to hear from anyone else who has made make-ready and constraint tracking part of their regular controls.
I think this is exactly why a hybrid project management approach makes sense in construction. We need agility during design, when uncertainty and changes are inevitable, and a more structured, sequential (waterfall) approach during construction, when coordination, sequencing and execution become critical.
At the same time, Lean Construction principles, such as Just-in-Time procurement, constraint management and look-ahead planning, help maintain flexibility and identify problems before they affect the critical path.
Ultimately, I think the key is not just identifying deviations early, but having the right management approach to respond to them. Some issues call for corrective action, others require adapting the plan. Knowing the difference is what makes project controls valuable and it's just the nature of construction projects.
Agreed, Rami. And Just-in-Time procurement is a good way into what I think is the most underused part of look-ahead planning: the make-ready process.
On many projects, the look-ahead is just the master schedule zoomed in to the next six weeks. Make-ready works differently. Every activity in the window gets screened with one question: is it ready to be done? If something is missing, that’s a constraint, with an owner and a date it has to be cleared by. I find it helps to treat everything that isn’t ready as a constraint, and not only the items that usually get tracked:
Seen this way, procurement isn’t its own process running beside the schedule. It’s one category of constraint, managed in the same weekly cycle as everything else. A late delivery and an unanswered RFI end up in the same place: an activity that can’t be released to the field.
This also connects back to where we started. The trend in open constraints, how many there are, how old they are and how fast they’re being cleared, is one of the earliest warning signals a project has. If constraints are piling up three or four weeks out, the problem is visible before it reaches the critical path, while there’s still time to clear them or resequence.
To me, that’s where this conversation comes together. The control room showed me the value of seeing trends early. Your point about adapting versus controlling shapes how we respond to them. And make-ready is where the two meet in practice: every week, the team decides which constraints it can clear and where it has to change the plan.
Thanks for the thoughtful exchange, Rami. It sharpened my own thinking on this. I’d be glad to hear from anyone else who has made make-ready and constraint tracking part of their regular controls. Saving Changes...
Thank you for raising this, Eduardo. I'd like to offer my perspective on your questions, speaking from a construction project background and based on my own experience rather than as a definitive view.
Key trend to monitor: Milestone trends. Tracking key dates, such as completion dates, shows whether the project is converging on its targets or drifting away from them.
Earliest warning signal: Schedule slippage, specifically when the milestone trend begins to move adversely.
Thresholds and ownership: Thresholds are best set according to the size and nature of the project, since a one-day slip and a one-week slip carry different weight on different projects, so I'd hesitate to prescribe a fixed number. Named owners, however, are essential. Accountability for the response is what turns a signal into action, and without it, the risk to the project rises significantly.
Community Champion
