Bootcamp
How do I calculate my business case?
Four numbers and an honest before-and-after comparison: the calculator shows the value per year, the payback and a conservative view with time savings only.
A business case for GIRI does not need a spreadsheet marathon. It needs four numbers and an honest before-and-after comparison. The calculator below shows what your current way costs and what is left of it with GIRI.
GIRI · Digital work instructions
What does GIRI save you per year?
Answer four questions to compare before and after GIRI. Open a value driver to see both side by side.
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Your basics
Example valuesWhere the value comes from
Bars compare the yearly cost before and after GIRI; the hatched part is what you save. Switch a driver off to leave it out, open it to change the numbers.
An expert writes each instruction in Microsoft Word or as a PDF, edits it again for every change and explains it to every new starter.
The person who knows the task films it on a phone and GIRI builds the steps. A change replaces one step. Theory is learned on the tablet; the trainer signs off the practical part.
GIRI's typical figure
Measured in one customer pilot
The 14 to 4 minute figure compares an operator's first and second run, so it includes a learning effect. To isolate the instruction's effect, also time an operator who was trained the usual way.
Set-ups, tool changes and restarts depend on the one person who knows the method. On another shift the crew tries until it works.
The proven method sits at the machine, step by step in photo or video. Every shift follows the same steps, with or without the expert.
Your numbers
How to prove it
Log set-up and restart time on one machine for four weeks before the instruction goes live and four weeks after.
Benchmark
Value an hour at contribution margin only if the line is sold out. If demand is the limit, recovered hours only avoid cost such as overtime and extra shifts. Fabrico: value of one OEE point (opens in a new window)
Instructions are text-heavy, out of date or not at the workplace. A missed step or the wrong variant ends up as rework, scrap or a complaint.
One current instruction at the point of work, in pictures and short steps, with the right version for each product.
Your numbers
How to prove it
Filter last year's NCRs and 8D reports for the piloted tasks and compare them with the pilot period.
Benchmark
A controlled study at RWTH Aachen (66 people) found digital instructions halved quality problems compared with paper. The default of 30% stays well below that. Source: Sirris (opens in a new window)
Training is word of mouth and a signature in a folder. After an incident it is hard to show who was trained on which version.
Signed-off, versioned instructions and a record of who completed which. Practical sign-off by a competent person stays in place.
Your numbers
How to prove it
Show signed-off, versioned instructions for each task and who was trained on which version. An investigation asks for exactly this record.
Benchmark
UK HSE: employer cost £7,500 per injury with 7 or more days off, £140 for up to 6 days. Cost to society is £44,300 per case (2024 prices). Germany, BAuA: about €124 production loss per day of absence (2020). HSE appraisal values (opens in a new window)
How to use it
- Enter your basics. Instructions per year, task trainings per year, hourly cost and the GIRI cost from your offer.
- Check the value drivers. Open machine uptime, errors and safety and enter figures from your MES, NCR or 8D log and accident book. If you have no data, switch the driver off.
- Argue conservatively. The conservative view counts time savings only. If GIRI pays off on that alone, everything else is upside.
- Prove it in the pilot. Each driver lists what to measure before and after under “How to prove it”.
- Share it. “Copy business case” gives you the text for an email or a slide.
FAQ
- Are these your numbers or wishful thinking? The starting values are examples and marked as such. The business case becomes solid with your data and the measurements from the pilot.
- Why doesn’t all training time count as saved? For safety-critical tasks a competent person still signs off the practical part. What you save is the theory and the repeated explaining.
- How do I value a machine hour? At contribution margin only if the line is sold out. Otherwise at the cost you avoid, such as overtime or extra shifts.
