Fig. 1
Indicators of harmful factors, in which the optimal (the best) value is directed to the lower limit of the tolerance field, e. g., local vibration, no more than 0.2 m/s2
Fig. 2
Optimal (the best) harmful factor indicator goes to the middle of the range of acceptable values (air temperature)
Tab. 1
Results of the implementation of the methodology for assessing the safety of working conditions
| No. | Indicators of harmful factors | qmin | qmax | qopt | qi | r | Sq |
|---|---|---|---|---|---|---|---|
| 1 | air temperature, °C | 13 | 19 | 16 | 17 | 0.1 | 0.96 |
| 2 | relative humidity, % | 25 | 75 | 50 | 70 | 0.9 | 0.91 |
| 3 | air velocity, m/s | 0 | 0.5 | 0 | 0.1 | 0.3 | 0.62 |
| 4 | intensity of thermal radiation, W/m2 | 0 | 140 | 0 | 94 | 3 | 0.3 |
| 5 | noise, dBA | 60 | 80 | 0 | 65 | 0.5 | 0.5 |
| 6 | local vibration, m/s2 | 0 | 0.2 | 0 | 0.09 | 0.7 | 0.65 |
Fig. 3
Chart depicting the passage of time and the change in humidity indicators for 31 days
Fig. 4
Graphical model for assessing indicators of harmful factors