VENTILATION

1. VENTILATION Sources of potential harm or situations with a potential to cause loss include Gas Dust & particulate Spontaneous combustion Frictional ignition Windblast Heat Poor / inadequate ventilation Poor ventilation management Inadequate ventilation knowledge

2. PRINCIPLES OF VENTILATION

3. PRINCIPLES OF VENTILATION (cont.)

5. Ground Condition Ground conditions in a mine change continuously Idaho Springs Granite-very competent rock should always be caution used when working underground NOTE: Before beginning surveying operation, the back and rib sides must be examined for loose rock condition If any loose rock is apparent, the mine manager or survey staff must be notified.

6. Signs are for your safety

7. PERSONAL PROTECTIVE EQUIPMENT This module covers the following sections: General Requirements Eye and Face Protection Hearing Protection Respirator Protection Occupational Head Protection Occupational Foot Protection Hand Protection Electrical Protective Devices Safety Management.

13. Underground Intercom Phones Underground intercom phones are located throughout the mine Refer to the mine map To use the phones, depress both the button on the receiver handle and the page button on the phone box Once a mine official has been contacted, only the button on the receiver handle must be depressed