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DGMS rules specify that open cast mines operating for night shift must have their working faces loading & dumping points, haul roads roadways & footpath etc illuminated to specific levels.A well illuminated quarry is conducive to better production & ensures safety of men & machinery. The specified DGMS requirements are given here under.

Sl.No.
Place / Location
Minimum standard of illumination as per DG'S Circular No.:1 (Legis) of 1976 (Lux)
Level in which illumination to be provided
Illumination levels that helps in Production (Lux)
01.
Work Place of heavy machinery
5.0
10.0
Horizontal Vertical
150.0
02.
Area where drilling works
10.0
Vertical
150.0
03.
Operator's cabin of shovels
30.0
Horizontal
100.0
04.
Truck hulage road
0.5 to 3.0
Horizontal
5.0 - 10.0
05.
Roadways & footpaths from bench to bench.
3.0
Horizontal
5.0 - 10.0
06.
Place where unloading of dumpers being done.
3.0
Horizontal
150.0