Page 48 - 6848
P. 48

7  DANGEROUS AND HARMFUL INDUSTRIAL FACTORS.
                                OCCUPATIONAL DUST.  METEOROLOGICAL
                                                         CONDITIONS



                      7.1 General Provisions



                      Occupational hygiene  is the branch of preventive medicine which develops
               scientific fundamentals and practical measures for ensuring the improvement of work
               conditions in order to preserve employees’ health and high level of workability and to
               prevent   occupational   injuries,   diseases,   and   others   work-related   negative
               consequence.
                      Industrial sanitation is a complex of measures aimed at enhancement of work
               conditions, elimination of harmful factors and occupational disease prevention, which
               raises productivity and efficiency and production quality.
                      The industrial environment is the totality of physical, chemical,  biological and
               social factors that affect the employee.
                      The working place is the space up to 2 m above the ground or platform on
               which are permanent or temporary whereabouts of workers.
                      Permanent whereabouts (place) of workers - is the place where the employee
               is greater portion (50% or more than 2 hours continuously) of their time.
                      Maximum permissible (allowable)  concentration - is a concentration that in
               their daily work (excluding weekends) for 8 hours (no more than 41 hours per week)
               does not lead to disease or abnormalities in health and have no impact on future
               generations (ГОСТ 12.1.005- 88).
                      The microclimate of industrial premises  - meteorological conditions of the
               internal environment of the premises, which are determined by a combination:
                      - Temperature
                      - Humidity
                      - Air velocity,
                      - Thermal radiation acting on the human body.




                        7.2  Classification of       Dangerous and Harmful            Industrial     Factors


                      The classification of industrial hazardous and harmful factors is carried out in
               accordance with ГОСТ 12.0.003-74 ССБТ. Hazardous and harmful industrial factors.
               Classification.


                      Hazardous and harmful production factors by nature of action are divided into
               the following groups:
                       physical;
                       chemical;
                       biological;
                       psychophysiological.



                                                               4
   43   44   45   46   47   48   49   50   51   52   53