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MINE RESCUE ACTIVITY BOOK – Section II-a. MSHA 2208 NOVEMBER 1981 JUNE 2005. Northern Mine Rescue Association. Activity 3 – Interpreting a Ventilation Map. Level 1 Purpose: The team will develop skill in reading and interpreting level or section ventilation maps.

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mine rescue activity book section ii a
MINE RESCUE ACTIVITY BOOK – Section II-a
  • MSHA 2208
  • NOVEMBER 1981
  • JUNE 2005
activity 3 interpreting a ventilation map
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
activity 3 interpreting a ventilation map1
Activity 3 – Interpreting a Ventilation Map
  • Level or section map showing ventilation (use one from your mine or a sister mine)
activity 3 interpreting a ventilation map2
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.
activity 3 interpreting a ventilation map3
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
activity 3 interpreting a ventilation map4
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.
activity 4 using an anemometer underground level 2
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
activity 4 using an anemometer underground
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
activity 4 using an anemometer underground1
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
activity 4 using an anemometer underground2
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.
activity 4 using an anemometer underground3
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.
activity 5 building temporary bulkheads level 2
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
activity 5 building temporary bulkheads level 21
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.
activity 5 building temporary bulkheads level 22
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
activity 5 building temporary bulkheads level 23
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
activity 5 building temporary bulkheads level 24
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.
activity 5 building temporary bulkheads level 25
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.
activity 6 practicing exploration duties level 1
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
activity 6 practicing exploration duties level 11
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
activity 6 practicing exploration duties level 12
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.
activity 6 practicing exploration duties level 13
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.
activity 6 practicing exploration duties level 14
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.
activity 6 practicing exploration duties level 15
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.
activity 6 practicing exploration duties level 16
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.
activity 6 practicing exploration duties level 17
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