Prevention of flammable gas and coal dust explosions in collieries

Prevention of flammable gas and coal dust explosions in collieries

5.11.3. Rectifying defective flame proof enclosures.

5.11.4. Installing water spray nozzles where they are missing.

5.11.5. Ensuring that all sprays are in effective operation.

5.11.6. Replace/repair damaged ventilation ducting.

5.11.7. Cleaning of clogged dust filters/scrubbers.

5.11.8. Cleaning of water filters.

5.11.9. Replace/repair leaking water hoses.

5.11.10. Updating secondary ventilation appliances.

5.11.11. Updating primary ventilation appliances.

5.11.12. Replacing suspect trailing cables.

5.11.13. Replacing defective flammable gas monitoring equipment.

6. COMPLIANCE TEST

This test is primarily instituted to assist the manager in determining, from the results, the effectiveness of the ventilation system employed as well as the efficacy of operation of the ventilation appliances installed. To measure this efficiently one gravimetric dust (respirable) sample per day is required from each mechanical miner. The sampling is to be conducted on a full production shift. ( Refer to the CM dust sampling directive.)

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