Annual Report,2009 - Directorate General of Mines Safety

DGMS Annual Report,2009
Availability of Fire Tender in the mine must be ensured.
C. Premature collapse of workings or failure of pillars/benches
In one case top three benches including the embankment made against a nallah slided
(quantity is about 18,000m3). In one case there was a major roof fall in the depillaring area
where „Limited Span Method‟ was in practice. In another case roof fall occurred where „Wide
Stall‟ method was in practice.
D. Influx of Noxious Gases
There was no case reported.
E. Ignition or occurrence of inflammable gas
There was one case of ignition of inflammable gas and one case of accumulation
inflammable gas as reported.
of
F. Irruption of water / Landslide
There were two cases of irruption of water due to pot holing reported.
G. Subsidence / Potholing
There were one case of subsidence due to low cover and one case of pot holing due to
shallow depth reported.
A-37