Underground Mining – Communication – Safety

Underground Mining

Discussing the underground mining process, machines used, and unique safety protocols in noisy environments.

• Moving from installing glass to working in the mines.
• Amount of physical labor involved in mining.
• Underground mining process.
• Running a continuous miner, and the extreme temperatures the operator can face.
• When wearing extra hearing protection can enhance your awareness.
• The machines and steps used to move product from underground to surface.
• Atmospheric pressure change when going 3460 feet underground.
• How spacious it is underground.
• Ground control process using dywidags, epoxy, and cross bars.
• How safety measures have improved.
• Calming your emotions in emergencies.

Tempered Glass

• Glass heated to 700°C then quickly cooled.
• Increases strength by 5 times.
• Glass cannot be cut or altered after the tempering process.
• Glass Shatters safely into small fragments.
• Able to withstand temperature shifts up to 250°C.

Continuous Miner

• 180 tonnes, 11'6" high, 18' wide.
• 2 x 500 to 700hp engines.
• Advances at 1.5 feet per minute.
• Product is moved onto load car then to robotic tram.

Robotic Tram

• Automatic machine that follows the continuous miner.
• Deposits product onto room belt from various directions.
• 16 sections, 340 feet long.

Scoop Tram

• Used for smoothing out fines, moving material, and scaling.

Scaling

• Removal of loose material from walls and ceiling of mine.

Dywidag

• Steel threaded bar used for stabilizing ground overhead.
• Held in place with epoxy.
• Name a combination of Dyckerhoff & Widmann AG

Brattice

• Makes a partition for directing air ventilation.

Mentioned in Episode

• Stench Gas

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