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MINE RESCUE ACTIVITY BOOK – Section II-a

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  1. MINE RESCUE ACTIVITY BOOK – Section II-a • MSHA 2208 • NOVEMBER 1981 • JUNE 2005

  2. Northern Mine Rescue Association

  3. Activity 3 – Interpreting a Ventilation Map • Level 1 • Purpose: The team will develop skill in reading and interpreting level or section ventilation maps. • Type: Classroom discussion

  4. Activity 3 – Interpreting a Ventilation Map • Level or section map showing ventilation (use one from your mine or a sister mine)

  5. Activity 3 – Interpreting a Ventilation Map • Description: • Have team members describe how the air is coursed through the level or section, discussing the use of regulators and auxiliary fans and tubing (if used). Be sure to have them describe how air gets to and from the mining areas and into the exhaust air.

  6. Activity 3 – Interpreting a Ventilation Map • Description: • Then, after this is done, add a problem to the map that would affect ventilation and have the team members describe how this would change the ventilation. This “problem” could be: • An auxiliary fan that’s down, or tubing that’s down • A bulkhead that’s blown out • A ground fall that has obstructed a particular area • A mine door that was left open or that failed to close automatically

  7. Activity 3 – Interpreting a Ventilation Map • Evaluation • Use the following checklist to aid you in evaluating each team members performance. Be sure to list and discuss any problems the team encountered.

  8. Activity 3 - Evaluation

  9. Activity 4 – Using an Anemometer Underground – Level 2 • Purpose: The team will develop skill in taking air measurements with an anemometer and practice working together as a team while under O2. • Type: Underground work problem • Materials: • Anemometer • Smoke tube and stopwatch • Tape measure • Paper & pencil • Apparatus

  10. Activity 4 – Using an Anemometer Underground • Description: • Tell the team that they will be going underground to take readings with an anemometer. • Emphasize the following in describing this activity: • Proper procedure in taking a reading • Reporting the finding correctly, and • Working under O2

  11. Activity 4 – Using an Anemometer Underground • Description: • Have team members or the benchman prepare the apparatus. When ready, the team should get under O2. • Have the captain take the team underground to a pre-arranged site to take air readings with an anemometer and to measure the cross-sectional area of the airway

  12. Activity 4 – Using an Anemometer Underground • Description: • You should accompany the team. They can report their findings to you as though they were reporting to the command center. • If you wish, go ahead and calculate the airflow in cubic feet per minute. The team will probably want to know a final figure.

  13. Activity 4 – Using an Anemometer Underground • Evaluation • Use the following checklist to aid you in evaluating the team’s performance. Be sure to list and discuss any problems the team encountered.

  14. Activity 4 - Evaluation

  15. Activity 5 – Building Temporary Bulkheads – Level 2 • Purpose: The team will develop skill in building temporary bulkheads and will practice working together as a team while under O2. • Type: Underground work problem • Materials: • Apparatus • Other team equipment • Construction materials for building a bulkhead • Tools for building a bulkhead

  16. Activity 5 – Building Temporary Bulkheads – Level 2 • Description: • Tell the team that their assignment is to build a bulkhead in a specified area. • This activity can vary in difficulty depending on the teams experience and how challenging you want to make it.

  17. Easier Assignment: Construct a brattice bulkhead Materials provided at site Work at a slow pace Team told exactly where to build bulkhead Team should prepare site as necessary before putting up bulkhead. Harder Assignment: Construct a brattice or a wood bulkhead Team must transport materials to a site nearby Work at a faster pace Team given general area, must pick exact site. (For instance, they should choose a spot with good back and even surfaces.) Team should prepare site as necessary before putting up bulkhead Activity 5 – Building Temporary Bulkheads – Level 2

  18. Activity 5 – Building Temporary Bulkheads – Level 2 • Description: • Have team members or the benchman prepare the apparatus. When ready, the team should get under O2. • Have the captain take the team underground to a pre-arranged site to take air readings with an anemometer and to measure the cross-sectional area of the airway

  19. Activity 5 – Building Temporary Bulkheads – Level 2 • Description: • You should accompany the team. They can report their findings to you as though they were reporting to the command center.

  20. Activity 5 – Building Temporary Bulkheads – Level 2 • Evaluation • Use the following checklist to aid you in evaluating the team’s performance. Be sure to list and discuss any problems the team encountered.

  21. Activity 5 - Evaluation

  22. Activity 6 – Practicing Exploration Duties – Level 1 • Purpose: Team members will practice coordinating their individual duties with the team objective of advancing and exploring a specified distance underground. • Type: Underground work problem

  23. Activity 6 – Practicing Exploration Duties – Level 1 • Materials: • Apparatus • Team equipment: • Gas detectors • Map and Mapboard • Communication equipment • Scaling bar • Fresh Air Base Equipment: • Map • Communication equipment

  24. Activity 6 – Practicing Exploration Duties – Level 1 • Arrangements: • Arrange for the team to explore a small area of the mine with an easy terrain. • Prepare copies of a map of the area to be explored. • At the starting point of the exploration, set up a simple fresh air base with a map and communication equipment.

  25. Activity 6 – Practicing Exploration Duties – Level 1 • Arrangements: • Have someone (perhaps the team alternate) stay at the fresh air base to handle communications and to mark the map,. • Also, have someone stay at the fresh air base to serve as the communications line, or cable attendant.

  26. Activity 6 – Practicing Exploration Duties – Level 1 • Description: • Have team or the benchman prepare the apparatus. When ready, the team should report to you with their apparatus and equipment • Give the teams mapman a map showing the area to be explored. • The teams assignment is to explore a designated area for about 400 feet, and report and map the conditions they find.

  27. Activity 6 – Practicing Exploration Duties – Level 1 • Description: • The team should advance on intake air (and in single level mines tie-in all crosscuts and adjacent entries.) • Tell the team they will be evaluated on how they function as a team and how they perform their individual duties (such as mapping, gas testing, ground testing, communications.) • The captain should then lead the team to the fresh air base, have the team members check their equipment and get under O2.

  28. Activity 6 – Practicing Exploration Duties – Level 1 • Description: • When the team is ready, let them begin their assignment. You should accompany the team to observe their performance. The individuals staying at the fresh air base should stand by ready to perform their duties.

  29. Activity 6 – Practicing Exploration Duties – Level 1 • Evaluation • Use the following checklist to aid you in evaluating the team’s performance. Be sure to list and discuss any problems the team encountered