Fourteen days does not sound catastrophic on a multi-year commercial schedule. In the field, it is often dismissed as “weather,” “waiting on an RFI,” or “the mill is late.” Then the slip compounds, and the recovery conversation starts when options are expensive and political.
This article works through a realistic cost stack on a $40M commercial build with a 14-day critical-path delay — and contrasts recovery cost if leadership catches it at week two versus week six.
Assumptions for the model
Every job is different. Use these as a transparent baseline, then substitute your own contract language:
- Contract value: $40,000,000
- Liquidated damages (LDs): $8,000/day
- Extended general conditions (site overhead, temp facilities, supervision): $6,500/day
- Crew acceleration available: overtime and second shift on the critical path trades
- Owner relationship risk: soft cost, but not zero
These numbers are intentionally conservative for many urban commercial jobs. If your LDs are higher — healthcare, education, and data center work often are — multiply accordingly.
Cost stack of an unmanaged 14-day slip
1. Liquidated damages: $112,000
At $8,000/day × 14 days = $112,000. That is the contractual floor if the end date moves and LDs apply. Many teams underweight this because “we’ll make it up later.” Making it up later is exactly where the next costs appear.
2. Extended general conditions: $91,000
Fourteen additional days of jobsite overhead at $6,500/day = $91,000. Trailers, temp power, security, PM/superintendent time, and temporary facilities do not pause while the critical path waits.
3. Acceleration premium: $140,000–$220,000
To buy back two weeks on a commercial shell or interior package, GCs typically pay some mix of:
- Overtime premiums (time-and-a-half / double-time)
- Weekend work premiums and logistics inefficiency
- Stacked trades reducing productivity (more bodies, less output per hour)
- Expediting fees for materials
A mid-range acceleration package on this job size often lands around $180,000. Cheap acceleration is a myth once the path is already late.
4. Soft costs and relationship damage
Missed owner milestones damage trust. That shows up as harder change negotiations, more scrutiny on billing, slower decisions, and — on the next pursuit — a weaker past-performance story. Soft costs are hard to invoice, but they are real. Assign even a modest $50,000 “relationship friction” estimate and the total keeps climbing.
Unmanaged 14-day slip: ballpark total
| Cost component | Estimate | | --- | ---: | | Liquidated damages | $112,000 | | Extended general conditions | $91,000 | | Acceleration | $180,000 | | Soft / relationship friction | $50,000 | | Total exposure | ~$433,000 |
That is more than 1% of contract value for a delay that started as “just two weeks.”
Catch it at 2 weeks vs. 6 weeks
The same underlying issue — say, a delayed building envelope package — produces radically different recovery economics depending on when leadership acts.
Scenario A: Detected at 2 weeks of drift
Signals: milestone progress lagging expected percent complete; RFI backlog rising; material ETA slipping.
Actions available while recovery is still cheap:
- Re-sequence non-critical work to protect the path
- Negotiate earlier mill ship with partial releases
- Selective overtime on one trade for 5–7 days
- Owner conversation while options still exist
Typical recovery cost in this window: $40,000–$75,000 (targeted overtime + minor re-sequence), often with little or no LD exposure if the end date is protected.
Scenario B: Detected at 6 weeks of drift
Now the slip is no longer a warning — it is a condition. Multiple trades are stacked. Temporary weather protection may be required. Acceleration must buy back more calendar than a clean two-week package. Owner trust is already bruised.
Typical recovery cost: $250,000–$450,000+, plus higher odds of LDs and claim posture.
The delta that matters
Catching the problem at week two versus week six can easily change the outcome by $200,000–$350,000 on a $40M job — before counting claim legal spend.
That is not an argument for panic. It is an argument for early schedule variance visibility tied to risk scoring, not waiting for a late status report to narrate what the field already knows.
What to watch every week
If you only monitor one schedule signal portfolio-wide, make it this:
Actual milestone progress versus expected progress based on elapsed time.
When that gap opens and stays open for two reporting cycles, treat it as a financial event — not a scheduling footnote. Pair it with open RFI count and material lead-time changes, and you have enough signal to intervene while acceleration is still a scalpel, not a sledgehammer.
Fourteen days is never “just fourteen days.” It is either a cheap course correction or the opening chapter of a six-figure recovery. The difference is almost always when someone noticed.