Dust control using a water curtain system during shotcrete application - recommended best practice

Shotcrete (concrete pneumatically projected at high velocity through a hose onto a surface) is becoming a common area support for ground control in underground mines as a stand-alone or in combination with other support systems such as bolts and screens.

This technical document was created by the Workplace Safety North mining workplace environment technical advisory committee. It is designed to help and educate ventilation technicians, industrial hygienists, engineers, other technical specialists, and shotcrete personnel about best practices for dust control in underground mines.