| Classification | |||||
|---|---|---|---|---|---|
| Time, Sec | Rate, % | Time, Sec | Rate, % | ||
| Personal delay time | - | - | - | - | - |
| Total | - | - | - | - | |
| Operation delay time | Waiting | - | - | - | - |
| Cleaning around the stump | 42 | 7.7 | - | - | |
| Hang-up on trees | 12 | 2.2 | - | - | |
| Cleaning around the understory | 494 | 90.1 | 108 | 10.3 | |
| Total | 548 | 60.6 | 108 | 10.3 | |
| Mechanical delay time | Change chains-aw | 357 | 39.4 | 504 | 53.5 |
| Change guide-bar | - | - | 438 | 41.7 | |
| Total | 357 | 39.4 | 942 | 89.7 | |
| Total delay time | 905 | 100.0 | 1,050 | 100.0 | |