Schedule Compression: The Silent Killer of Project Schedules with Michael Pink

Schedule Compression: The Silent Killer of Project Schedules with Michael Pink

Watch or Listen on Youtube, Spotify or Apple Podcasts.

Challenge

You’re a VP overseeing multiple projects, and no matter how well things start, they always seem to fall apart near the finish line. Despite detailed planning and scheduling, everything looks good—until the final stretch. Suddenly, tasks stack up, trades collide, and deadlines slip. You’ve noticed this trend across your portfolio and need a way to get ahead of the problem. This episode of Beyond Deadlines features Michael Pink , CEO of SmartPM Technologies, Inc. , as we break down schedule compression and how to use it as a proactive tool instead of a reactionary fire drill.

Key Takeaways

  1. Schedule Compression is Inevitable – Due to resource constraints and optimism bias, schedule compression happens whether you plan for it or not. The key is understanding where it’s occurring and if it’s feasible with available resources.
  2. Float Isn’t a Safety Net – Many assume that float will absorb schedule changes, but without an actionable plan to create float, it’s just a number. Removing logic ties or stacking trades without the workforce to back it up leads to silent project killers.
  3. Different Project Types Require Different Strategies – On repeatable projects (like office buildings), historical data can highlight critical trade performance. On unique projects, focus on behavioral patterns of managers and schedulers to identify risk indicators.
  4. Compression as a KPI – Instead of waiting until a project is in trouble, track compression levels month over month. When compression crosses a critical threshold (e.g., 15%), it’s time to investigate resource allocations and schedule feasibility.
  5. Three Metrics to Validate a Schedule’s Plan – Missing logic, high float, and long durations can disguise real schedule risks. Ensuring schedules have logical ties, manageable float, and realistic activity durations prevents blind spots.
  6. Proactive vs. Reactive Compression Management – The best teams track delays in real time, analyze how they responded, and maintain ongoing discussions with stakeholders. This prevents last-minute blame games and builds trust across project teams.

Tactical Takeaway

Start tracking the percentage of activities that should have started or finished each period but didn’t. If that number consistently hovers around 50% or lower, you’re in trouble. Even without sophisticated tools, this simple check can highlight whether your team is keeping up with the plan or setting up for a major schedule overrun.

Watch or Listen on Youtube, Spotify or Apple Podcasts.


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Thomas Q. Carolan

Director of Scheduling at Barton Malow Builders

1 天前

We don’t see compression as an inherently bad thing, the real problem lies when the project team can’t clearly explain the cause of the compression. A compressed schedule really just means increased demand for resources due to the higher productivity now required to achieve the original completion date. As long as those demands were understood by the team as they compressed the schedule, the trades involved have capacity and are bought into the plan… all good??. The new compressed schedule comes with increased risk for sure, but that’s part of the business. Where compression is scary is when it starts trending up, and the no one has any idea why compression just jumped 40% in 2 updates. That’s when you know the changes being made to hold that end date are cosmetic only, no real planning or thought behind them, and the project is probably about to have a real bad time ??

Stephen Devaux

President, Analytic Project Management; Author, Instructor, & Consultant

2 天前

Definitely worth reading! The schedule compression phenomenon it describes as a project nears completion (which I'd prefer to call "increased WIP density") is something I now realize I haven't thought/written enough about. (It seems to me that, while rarely/never mentioned, decreasing WIP density is one of the goals of the Theory of Constraints approach.) Proactive schedule compression is definitely valuable, even if the result is simply expanded schedule reserve. Even if finishing earlier seems to have no value (and it almost always DOES!), the greater the schedule reserve, the less the chance of late completion and all the attendant downsides of that. I could wish the article talked more directly about initial schedule compression by utilizing critical path drag, drag cost, and resource availability drag (RAD). But that will come, with Spider Project & Asta Powerproject both computing CP drag and PlanLab's Drag Calculator allowing Primavera users to compute it. Also, schedule tracking through the float burn index (FBI) and the ALAP SPI would enhance #4: Compression as a KPI. Steve the Bajan

Owais Memon (M.Eng, PMP)

Project Controls I Planning Engineer I Scheduler

2 天前

Worth Reading

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