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Acceleration Cost Claim Calculator
Accelerating schedule costs money. This calculator sizes.
Total acceleration cost
$278,000
OT cost
$72,000
Extra crew total
$170,000
How the math works
OT cost = base × premium × days. Extra crew = daily × days. Shift premium = base × shift % × days.
20-day recovery: $72k OT + $170k extra crew + $36k shift = $278k acceleration cost. Compare to delay LDs — if LDs exceed acceleration, pay to accelerate. Otherwise accept delay and pay LDs. Math both ways.
How to Use
- Enter days to recover.
- Enter baseline crew size.
- Enter additional crew cost/day.
- Enter overtime premium %.
- Enter second shift premium %.
- Read total acceleration cost.
Frequently Asked Questions
Acceleration tactics?
Overtime (1.5x): fastest but limited to 10-20% gain before productivity drops. Second shift: adds capacity but supervision cost rises. Added crews: works when work parallelizable. Weekend work: 2x premium typical. Mix used for significant recovery.
Productivity loss?
Overtime beyond 8 hrs/day: 15-25% productivity loss. 7-day weeks: additional 10-20% loss. Second shift coordination: 10-15% less efficient than day shift. Factor into true cost — adding hours ≠ adding output linearly.
Entitlement?
Contractor entitled to acceleration costs when owner-caused delay extended project and owner refuses time extension (constructive acceleration). Documentation critical: owner's refusal, notice, cost tracking. Rigorous claim process.
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