The verdict in three sentences
An AI inspection report drafting tool makes sense as soon as a testing body has around ten inspectors who spend 30 to 40% of their time in the office formatting findings. The 2026 order of magnitude is 25,000 to 55,000 EUR excl. VAT for a tablet tool with voice input and photos, report generation in the regulatory format and mandatory review by the inspector, deployed in 3 to 4 months. The target gain of 1 to 2 hours per report only holds if the AI relies on your own non-conformity reference list rather than free text.
Where an inspector's time goes today
Technical directors often underestimate writing time because it happens in the evening or on Fridays. Here is a typical breakdown for a periodic inspection of an electrical installation (NEN 3140 type) or lifting equipment in the Netherlands.
| Step | Current average time | With AI and tablet | Gain |
|---|---|---|---|
| Note taking on site (paper, phone photos) | 45 min | 35 min (dictation, photos linked to the checkpoint) | 10 min |
| Transferring photos and notes to the office | 20 min | 0 min (sync) | 20 min |
| Writing observations and non-conformities | 60 to 90 min | 15 to 20 min (reviewing proposals) | 45 to 70 min |
| Formatting the regulatory report | 20 min | 2 min (automatic template) | 18 min |
| Quality check by a reviewer | 20 min | 10 min (flagged deviations) | 10 min |
| Total per report | 2 h 45 to 3 h 15 | 1 h 00 to 1 h 10 | 1 h 45 to 2 h 05 |
The idea is not to write instead of the inspector. The AI turns the dictation (no 30 mA RCD on workshop socket circuit) into a written observation, linked to the right clause in the reference list, with the photo and severity. The inspector approves, edits or rejects each proposal and remains the one who signs.
Budget and architecture options
The price mainly depends on the number of report types (electrical, lifting, gas, lifts) and on integration with your existing planning or invoicing software.
| Budget line | 1 report type | 3 to 4 report types | Comment |
|---|---|---|---|
| Scoping, analysis of 50 to 100 existing reports | 3,000 EUR | 6,000 EUR | Building the reference list |
| Offline tablet app (dictation, photos, checklists) | 8,000 EUR | 15,000 EUR | Works in basements |
| AI engine (transcription, drafting, clause matching) | 7,000 EUR | 15,000 EUR | Model hosted in Europe |
| Regulatory PDF report generator | 3,000 EUR | 7,000 EUR | Templates per type |
| Integration with planning, invoicing, archiving | 2,000 EUR | 8,000 EUR | API or export |
| Field testing, inspector training | 2,000 EUR | 4,000 EUR | 2 to 3 pilot weeks |
| Indicative total | 25,000 EUR | 55,000 EUR | 3 to 4 months |
Recurring costs, 2026 order of magnitude: 0.20 to 0.50 EUR of model calls per report, so under 1,500 EUR a year for 4,000 reports, plus hosting and maintenance. At Kolonell, this project is a complex application, 7 M to 15 M+ FCFA on our grid (10,670 to 22,870 EUR and above depending on the number of report types), with maintenance at 75,000 or 120,000 FCFA per month (110 or 180 EUR).
Liability, accreditation and data
A testing body is liable for every report. Three safeguards are essential. Explicit approval of each observation by the inspector, logged with a timestamp. A closed reference list of non-conformities, so the AI cannot invent a regulatory clause. European hosting of photos and client data, with a GDPR processing agreement and access logs, which accreditation auditors (RvA in the Netherlands) will ask about at the next audit.
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Sarah, technical director of a testing body in Rotterdam (illustrative scenario), manages 12 inspectors who each produce 5 reports a week over 45 weeks, so 2,700 reports a year. Using a cautious gain of 1.5 hours per report and a 50% adoption rate in year one, she frees 2,700 x 1.5 x 0.5 = 2,025 hours. At a loaded hourly cost of 60 EUR, that is 121,500 EUR of recovered capacity that can go to billable work. With a 45,000 EUR investment and 1,500 EUR a year in AI costs, payback comes in under 5 months after go-live.
FAQ
Can the AI sign or approve a report on its own?
No, and it should not: the signature stays with the qualified inspector. The tool proposes, the inspector approves each observation, and the log keeps 100% of the edits.
What happens without network in a basement or boiler room?
The app works offline: dictation recorded, photos stored, checklists filled. Transcription and drafting start at sync, usually in under 2 minutes per report.
How reliable is voice transcription on site?
With a headset microphone and configured trade vocabulary, the 2026 order of magnitude is a 3 to 6% word error rate, including Dutch and English. The inspector corrects during review, which is still much faster than typing.
How many reports are needed to configure the tool?
A sample of 50 to 100 existing reports per type is enough to build the reference list and templates. Plan 2 to 3 pilot weeks with 2 inspectors before full rollout.
Can we start with a single inspection type?
Yes, and it is recommended: periodic electrical inspection, often the largest volume, can launch for 25,000 to 30,000 EUR. Other types are then added for 8,000 to 10,000 EUR each.
Let's scope your project. Send us 3 anonymized reports and your yearly volumes: we will estimate the hours saved, the scope of a pilot and an indicative budget over 3 to 4 months. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
