NEN 3140 / NEN 3840 Instructie-interval Calculator

NEN 3140 — Instruction Interval Calculator

Select the options below to calculate the required time interval between two consecutive safety instructions according to Annex E.

1. Experience of the persons

2. Nature of the work

3. Frequency of work execution

4. Working conditions

5. Environment of the workplace

6. Degree of supervision

7. Degree of modification/change of the work

8. Experience regarding (near-)accidents

Total Factor Score: 0 points

Recommended Interval: 5.0 Years

Interval derived mathematically using the curve from Figure E.1 (NEN 3140). Max interval caps at 5 years, min interval at 1 year.