OCRA Index Quantities | Zone | Risk Level | Required Measurement |
≤2.3 | Green | No risk | Acceptable risk level and modified measurements is not necessary. |
2.3 - 3.5 | Yellow | Low risk | It is recommended that according to structural risk factors (posture, force, technical activities…) or by performing organizational measurements, implements required modifications. |
˃3.5 | Red | Risky | It is suggested that according to preferences for work environment and considered task, redesign should be performed. |