Table 3

Safety factor f1 for duty counting (ISO 12482:2014).

Method of duty recording f1
1 Automatic recording system, 4.2 a), or Counters and manual documentation, 4.2 b) 1,0
2 Estimation based upon a special, documented process, 4.2 c) 1,1
3 Estimation based upon documented production of the crane site, 4.2 d) 1,2
4 Estimation based upon undocumented, estimated production of the crane site, 4.2 e) 1,3
5 Crane duty history is unknown, 4.2 f) 1,5

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