Free calculator · programme

Can you actually claw that time back?

Every job that finishes late spent months insisting it would recover. The honest test is arithmetic: the rate you have actually been building at, against the rate the remaining work now needs. If the gap is small you can work it back. If it is not, the sooner that is on paper the better it goes for you.

The programme

Original duration, weeks
Weeks elapsed
Actually complete %
Physically complete. Not the claim, not the programme.

What you are running now

Crew on site
The productive crew, not the whole site
Days worked per week
Most days you could work
Before permits, noise limits or fatigue stop you
Crew does not scale in a straight line and this tool assumes it does. Doubling the crew on a congested floor does not double output — work fronts run out, trades stand on each other, supervision thins and quality drops. Treat the crew number as the floor of what recovery needs, never the answer. The honest recovery plan is usually resequencing and more work fronts, not more bodies.

Questions

What percentage complete should I use?

Physical completion, assessed honestly. Not the claim percentage, not the percentage of the programme bar that has been coloured in, and not spend. If the number is optimistic then everything this tool tells you is optimistic too, and you will find out later at a worse moment.

Why does it say recovery is not possible above a certain point?

Because past roughly a sixty per cent lift in output, the resources needed are usually not available, not affordable, or physically will not fit on the site. At that point the useful thing is not a recovery plan, it is a re-baselined programme and whatever notice your contract requires.

Does working six days actually give twenty per cent more?

Not in practice. Sustained overtime loses efficiency, and the losses compound over weeks. The tool shows the arithmetic lift; assume real output is meaningfully below it, and worse the longer it runs.

Is this a delay claim?

No. It is a management check on your own job. If the delay is not your fault, the notice and the entitlement are a separate exercise, and most contracts have a short time bar. Our EOT builder covers that side.

Is anything uploaded?

No. It stays in your browser on your device.

Related free tools

You found this at week thirty. The data existed at week twelve.

Recovery is cheap early and impossible late. The paid system tracks completion against programme on every work front as it happens, so the curve bends while there is still time to do something about it.

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This is a practical site-management tool. It is not legal, engineering or regulatory advice and does not guarantee compliance or a satisfactory inspection outcome. Requirements may vary by jurisdiction, project, contract and circumstances.

Want a person to look at it?

The tools above are free and yours to use. When you need the paperwork behind them reviewed by someone who has run sites, Obras HSE Services is a live consulting business in south-east Queensland.