Table 1 REFA classification
Grade | Work intensity | Example |
|---|---|---|
0 | Work without special physical strain | Work without load, like desk work |
1 | Work with small physical strain | Handling light work pieces; also lengthy standing or walking around |
2 | Work with moderate physical strain | Handling of 1–3 kg control device; carrying loads of 10–15 kg; climbing stairs or ladders without load |
3 | Work with hard physical strain | Carrying loads of 20–30 kg, shovelling, digging, chipping, climbing stairs or ladders with moderate load, moderate work in tense work posture |
4 | Work with most heavy physical strain | Carrying loads of more than 50 kg, climbing with heavy load, Hard work in tense work posture |