Paper 11_Vogt:Paper 11_Vogt

Platinum mining in South Africa is typically undertaken on thin seams having low to moderate dip and huge lateral extent. The relatively poor grades dictate a high requirement for capital, but the extent of the orebodies provides a very long life of mine in which to recover that capital. Historical mining practice has been dominated by hand operated drill and blast methods, although the industry is slowly moving towards mechanization. Hand operated drill and blast is cyclic, as mines must be vacated during blasting. The underground environment contains hazards to both health and safety, leading to accident levels that are higher than international norms. It can also lead to occupational health problems including noise induced hearing loss and heat stress. The industry is also under pressure from various quarters: