Hazardous flammable gases with dust particle in Division 1 and Division 2 of gases
Heavy Mine machine like TBM ( Tunnel Boring Machine length of 200m)
Excavating machinery
LPDT trucks movement
Multiple tunnel in short length creating non line of singh for communications as well as risk of accidents
Heat, Dampness and muddy terrain
Landslide
Collapse of the ongoing or adjacent mine of due to creation of vertical stopes where veins of precious metals are extracted.
Shortage of oxygen below ground
UPS Power used without ground
Required Equipment’s and Solutions
MOTOROLA and BECKER VARIS FLAMEPROOF ATEX ,IP68 RADIOS XIRP8668I IS/XIRP8668EX AND
REPEATER SLR5300 USED WITH Leaky Feeder System.
LEAKY CABLE IS ABLE TO PROVIDE THE RADIUS COVERAGE OF 10-20M IN THE TUNNEL :The above
system COMPROSING OF LEAKY CBALE ,Headend, Amplifiers, Splitters, Couplers, Splicers, Termination
Unit, Stope Antenna, Surface Area Network module, Power Supplies etc. are installed & commissioned
under this header. Once this system was commissioned all surface and underground users are able to
talk to each other in digital and trunking mode .
