Safety and health in opencast mines - ILOto 18 September 1990 to draw up a code of practice on occupational safety and health in opencast mines. Twenty-one experts were invited – seven appointed following consultations with ... 30. 8.11. Miscellaneous safety procedures . .. All rock, stone or other material from the stripping of overburden should be dumped.safety measures in granite mining,Occupational Safety and Health: Minya Quarries: Protecting the . - ILODec 4, 2014 . MINYA (EGYPT) – Every day almost 8 thousand workers work in extreme conditions in the stone quarries of Minya, a region of Upper Egypt, 300 km south of . The trade unionists shared their experiences on topics relating to the risks of the informal economy in Egypt, health and safety measures for quarry.