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The prevention of disaster type accidents.
Eliminating or reducing disabling injuries.
Assisting the industry.

I. Types of Inspections:

A. Regular.

B. P.B.R.

C. Spot.

II. Detailed Description of Inspecting a Mine That Requires 5 or 6 Inspection Shifts.

III. Preparation :

A. Have thorough knowledge of requirements of the Act, and current Bureau policy.

B. Obtain copy/copies of and study:

1. Preceding C.M.I. report.

2. Roof support plan.

3. Accident record-if available.

C. Be aware of:

1. Waivers.

2. Permits.

3. Approvals-granted or pending Notices or Orders in effect.

D. Have all necessary equipment checked and ready for use, including auto.

IV. Attitude :

A. Friendly positive attitude.

B. Open mind.

C. Look for and recognize good practices as well as the dangers. D. Be firm and impartial in taking action.

E. Use the Act as a tool-not a weapon.

F. Fully expect to accomplish something.
G. Accept disappointments gracefully.

V. Appearance-Behavior:

A. Clean and neat person, equipment, and auto.

B. Safe courteous driving-parking.

C. Courteous conduct and speech.

D. Public image.

VI. First Shift at Mine:

A. Arrive early.

B. Meet with officials.

C. Study maps and record books.

D. Meet with mine safety committee.

E. Determine which section to visit first: 1. Immediate attention given to area where most serious hazards likely to exist.

F. Make pertinent notes.

G. Point out any inadequacies of maps or records.

VII. Proceed Underground:

A. Go promptly to face area without unnecessary delay.

B. Observe conditions, practices, and installations en route.

C. Point out and discuss any hazards observed.

D. Keep complete and detailed notes.

VIII. Citing Violations:

A. Definition of the word "Violation".

B. Using good judgment.

C. Taking prompt and appropriate action.

D. Using principles of good human relations when citing violations-getting improvements.

E. Emphasizing effective systems.

F. Followup.

IX. Arrive on Section :

A. Observe procedures for starting production.

B. On-shift examination.

C. Know layout of section and adjacent areas.

D. Ventilating current-course and volume.

E. Determine if imminent danger exists.

F. Examples of imminent danger.

G. Appropriate action..

X. Examine:

A. Roof-condition, supports, and plan compliance.

B. Conditions of entries as to cleanup and rock-dusting.

C. Individual working faces.

D. Production cycle.

E. Face ventilation and controls.

F. Roof and gas testing practices.

G. Explosives-storage, handling, and use.

H. Haulage equipment and practices.

I. Permissibility and maintenance of electric face equipment.
J. Air samples-why, when, where, and how.

K. Firefighting equipment.

L. Cleanliness of equipment.

M. First-aid supplies.

N. Communication facilities.

O. On-shift examinations at required intervals.
P. Preshift examinations for oncoming shift.

Q. Trailing cables.

R. Oil, grease, oxygen, and acetylene storage.

S. Electrical installations and wiring.

T. Methane content immediate return.

U. Sectional close out.

1. Conference with Section crew and foreman with management's approval.

XI. Leave Section:

A. Check haulageways, travelways, and open parallel entries as to:

1. Roof conditions.

2. Coal spillage, float dust, and rock dust.

3. Electrical installations and wiring.

4. Haulage equipment and practices.

5. Condition of track, belts, and/or roadways.

6. Any questionable condition observed when riding man trip into mine.

7. Ventilation controls-stoppings, overcasts.

8. Feasibility of isolating belt entries.

9. Velocity of air on belt and trolley entries.

XII. Arrive on Surface:

A. Write and/or post Notices Orders.

B. Review findings with officials.

C. Offer assistance-advice.

D. Leave mine.

[blocks in formation]

4. Escapeway-return airways.

5. Traveling with fireboss.

6. Sampling return air-collecting dust samples.

7. Maintenance of flame safety lamps and gas testing equipment. 8. Surface facilities, structures, and installations.

XIV. Return to Headquarters:

A. Turn in Notices-Orders.

B. Confer with supervisor if necessary.

C. Clean and service equipment.

D. Ask for any needed assistance.

E. Mail air and dust samples.

XV. Closeout Conference:

A. Prior notification.

B. Time and place.

C. Joint or separate.

D. Conversational tour.

E. Clarity control.

F. Serious hazards.

G. Less serious hazards.

H. Conditions between inspections.

47-135 0-71-45

[blocks in formation]

A. Review of previous inspection and accident reports of mine prior to inspection.

B. Protective and detecting equipment necessary for inspection work. II. Provisions of the Federal Mine Safety Code for Strip Mines and Recom mended Safety Standards for Surface Auger Mining:

A. Surface Structures:

[blocks in formation]

B. Miscellaneous Surface Conditions:

1. Surface fire prevention.

C. Stripping and Drilling Overburden.

D. Augering Coal: 1. Location of auger holes, highwall inspection, and


E. Explosives and Blasting:

1. Transportation of explosives and detonators.

2. Surface magazines.

3. Blasting practices.

4. Electric blasting.
5. Springing holes.
6. Loading holes.
7. Detonating fuse.

8. Warning signals.

9. Misfire.

10. Blasting adjacent to underground workings.

11. Liquid-oxygen explosives.

F. Haulage : 1. Pit haulage

automatic equipment and operation.

G. Safeguards for Mechanical Equipment.

H. Miscellaneous Hazards.

1. Abandoned workings.

2. Protective clothing.

3. Fire protection.

I. General Safety Conditions:

1. Mine accidents.

2. Reporting injuries, production, and employment.

3. Report dangers.

4. First-aid and medical care.

5. Supervision.

J. Definitions.

NOTES. Electricity covered under electrical portion of training program.



I. History of Accident Investigations by the Bureau of Mines.
II. Trends of Coal Mine Accidents and Injuries.

III. Methods used to determine Injury Frequency and Severity Rates.
IV. Procedures to follow when investigating serious and fatal injuries.

V. Special Investigations: Natural Deaths, Trip Lights, Potential Hazards, etc.
VI. Principles involved in making drawings or sketches related to reports

I. Fundamentals:


A. Definition of voltage, current, and resistance.

B. Ohm's Law.

C. Power formula.

D. Series and parallel circuits :

1. Kirchoff's Laws.

2. Equivalent resistances.

E. Circuit protection.

II. Permissibility of electric face equipment:
A. Schedule 2G.

B. Magnetic overload protection.
C. Therman overload protection:
1. Overcurrent.

2. Single-phase.

D. Frame Grounding, D.C.:

1. Using grounding conductor.
2. Using diode grounding.

3. Using other methods.

4. Checking grounding systems.

III. A. C. Electricity:

A. Magnetism-Natural and Electrical.
B. Transformers.

C. Single-phase and three-phase power.
D. Transformer installation:

1. WYE and DELTA connections.

2. Resistor grounding method.

3. Continuous ground check system.

E. Lightning arrestor installation.

IV. Sections 305 through 310 of the Federal Coal Mine Health and Safety Act of 1969.

1. Introduction:


A. Purpose of mine ventilation.

B. Factors involved in the circulation and control of mine air.


1. Primary System-Applications and Practices.

2. Face Ventilation-Methods and Maintenance.

3. Bleeder Systems-Maintenance.

2. Ventilating Pressures:

A. Total and Unit Ventilating Pressures.

B. Measurement of pressures-Instruments, used.

3. Velocity, Quality and Quantity of Air:

A. Measurement of Velocity:

1. Smoke Readings.

2. Anemometer Reading.

3. Pitot Tube.

B. Quantity of Air-Calculations.

C. Sampling Methods.

4. Splitting of Air Currents:

A. Reasons for Splitting:

1. Reduces Hazards.

2. Fresh air for workmen.

B. Regulation : 1. Types of Regulators.

5. Law Requirements:

1. Review entire ventilation requirements of Federal Coal Mine Health and Safety Act of 1969.

2. Review of Sections 312 (Mine Maps).

I. Basic Training:


A. Structure of Roof Material:

1. Formation.

2. Types.

B. Distribution of Stresses:
1. During first mining.

2. During second mining.

C. Testing of Roof Conditions:
1. Sight.

2. Sound and Vibration.

3. Special Equipment.

D. Support of Mine Roof (Basic Theory):

1. Conventional Supports.

2. Roof Bolts.

3. Other devices.

II. Roof Bolting (using material listed in Federal Register as guide):
A. Materials.

B. Installation practices.

C. Patterns.

D. Tests.

E. Recovery of Roof Bolts.

III. Conventional Roof Supports:

A. Materials.

B. Installation Practices.

C. Patterns.

D. Checks.

E. Recovery of Supports.

IV. Combination Supports: A. Spot Bolting.
V. Supports during pillar recovery:

A. Timbering:

1. Pocket and Wing:

a. full recovery.

b. partial recovery.

2. Open ended pillar recovery.

VI. Special Roof Support Problems.

VII. Law Requirements: 1. Review entire roof control requirements of Fed eral Coal Mine Health and Safety Act of 1969.


I. Mine Fires-General:

A. Causes of Mine Fires.

B. Dangers From Mine Fires.

II. Types of Fires:

A. Class A.

B. Class B.

C. Class C.

III. Methods of Controlling Fires:

A. Fire Prevention.

B. Fire Protection.

IV. Definitions:

A. Water Line.

B. Portable Water Car.

C. Portable Chemical Car.

D. Portable Foam Generating Machine.

E. Portable Fire Extinguisher.

V. Quality and Location of Firefighting Equipment:

A. Working Sections.

B. Belt Line.

C. Other Locations: 1. Inspection of firefighting equipment. VI. Fire Protection at Belt Drives:

A. Deluge-type Water Spray System.

B. Foam Generator System.

VII. Warning and Sensing Devices.
VIII. Housing of Equipment.
A. Lubricants.

B. Electrical Installations.

IX. Fire Suppression Devices.
X. Flame Resistant Belts.

XI. Law Requirements: A. Review entire roof control requirements of Federal

Coal Mine Health and Safety Act of 1969.



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