2001 annual refresher “in pursuit of safety” wy msha state grant program

2001 ANNUAL REFRESHER

“IN PURSUIT OF SAFETY”

WY MSHA STATE GRANT PROGRAM

2

RULES OF PLAY FOR “IN PURSUIT OF SAFETY” YOU WILL BE DIVIDED INTO 2 OR

MORE “TEAMS” EACH TEAM WILL USE A

DIFFERENT COLORED HAUL TRUCK GAME PIECE

EACH TEAM WILL ROLL A DIE TO DETERMINE ORDER OF PLAY- HIGHEST ROLL GOING FIRST

3

RULES OF PLAY FOR “IN PURSUIT OF SAFETY”

PLAY WILL PROCEED CLOCK-WISE FROM THE STARTING TEAM

EACH TEAM WILL HAVE AN OPPORTUNITY TO ANSWER ONLY ONE QUESTION FOR EACH TURN

EACH TEAM WILL RECEIVE 10 POINTS FOR EACH CORRECTLY ANSWERED QUESTION - PARTIAL POINTS MAY BE AWARDED BY YOUR INSTRUCTOR

4

RULES OF PLAY FOR “IN PURSUIT OF SAFETY”

THE WINNING TEAM WILL BE DETERMINED BY ARRIVING FIRST IN THE CENTER OF THE GAME BOARD AFTER SUCCESSFULLY ANSWERING AT LEAST ONE QUESTION IN EACH TOPIC (COLOR) OR...

THE TEAM WITH THE HIGHEST POINT SCORE AT THE END OF THE GAME

5

RULES OF PLAY FOR “IN PURSUIT OF SAFETY” YOUR INSTRUCTOR WILL BE THE

FINAL JUDGE AS TO WHETHER YOUR TEAM ANSWERED THE QUESTION SATISFACTORIALLY!

YOU WILL HAVE UNTIL THE MUSIC STOPS TO CORRECTLY ANSWER EACH QUESTION - AN UNANSWERED QUESTION AT THE END OF THE MUSIC WILL BE A WRONG ANSWER!

6

GROUND CONTROL

TRANSPORTATION & COMMUNICATION

RESPIRATORY PROTECTION

MANDATORY H & S STANDARDS

EXPLOSIVES

ELECTRICAL HAZARDS

7

GROUND CONTROL

2 3 4 5 6 7 8 9

10

1

11 12 13 14 15 16 17 18

19 20

8

THE TERM USED TO DESCRIBE THE ANGLE THAT A FREE-PILED MATERIAL MAKES WITH A HORIZONTAL PLANE

ANGLE OF REPOSE

9

MINING METHODS EMPLOYED BY THE OPERATOR SHALL BE SELECTED TO ENSURE(REGARDING WORKER SAFETY)

HIGHWALL AND SPOIL BANK STABILITY

77.1000

10

WHEN SHOULD HIGHWALLS, BANKS, AND BENCHES, ETC. BE INSPECTED?

AFTER EVERY RAIN, FREEZE OR THAW, BEFORE MINERS WORK IN

SUCH AREAS 77.1004(a)

11

WHAT ARE THE FOUR BASIC TYPES OF SLOPE FAILURES COMMONLY SEEN IN COAL MINE HIGHWALLS?

ROCK FALL, ROTATIONAL SHEAR, SLOPE FAILURE, AND BLOCK FLOW(FROM WYOMING MINE FOREMAN’S

EXAM REVIEW)

12

GROUND CONDITIONS AT SURFACE COAL MINES SHALL BE EXAMINED BY:

CERTIFIED PERSONS 77.1713(a)

13

EACH OPERATOR SHALL ESTABLISH AND FOLLOW A FOR THE SAFE CONTROL OF ALL HIGHWALLS, PITS AND SPOIL BANKS.

GROUND CONTROL PLAN 77.1000

14

LOOSE, HAZARDOUS MATERIAL SHALL BE:

STRIPPED FOR A SAFE DISTANCE FROM THE TOP OF THE PIT OR HIGHWALLS AND THE LOOSE

UNCONSOLIDATED MATERIAL SHALL BE SLOPED TO THE ANGLE OF REPOSE

77.1001

15

WHAT IS A SLOPE FAILURE THAT OCCURS ALONG A PLANE OR BETWEEN LAYERS OF MATERIAL

PLANE SHEAR

16

WHAT MUST BE DONE WITH OVERHANGING HIGHWALLS, BANKS AND OTHER UNSAFE GROUND CONDITIONS?

PROMPTLY CORRECTED OR THE AREA POSTED

77.1004(b)

17

GROUND CONTROL TECHNIQUES OR METHODS

TECHNIQUES USED TO PREVENT OR CONTAIN SLOPE FAILURES ARE COMMONLY REFERRED TO AS:

18

TWO MAIN GROUND CONTROL HAZARDS ASSOCIATED WITH SURFACE COAL MINING ARE...

SLOPE FAILURES AND WATER HAZARDS

BONUS QUESTION:

WHICH OF THE ABOVE IS MORE HAZARDOUS?

SLOPE FAILURES ARE CONSIDERED TO BE MORE SERIOUS

19

WHAT IS THE TERM FOR A TYPE OF EMBANKMENT FAILURE THAT OCCURS AT OR ABOVE THE TOE OF A SLOPE...

A SLOPE FAILURE

20

WHAT CONDITIONS WOULD ALERT YOU THAT A SLOPE FAILURE COULD BE ABOUT TO OCCUR?

FRACTURED OR BROKEN ROCKS IN THE HIGHWALL, VERTICAL

DISPLACEMENT OF ROCK LAYERS, CRACKS IN ROCKS, CRACKS IN THE GROUND, UNDERCUT HIGHWALLS,

FREEZING OR THAWING, HEAVY ROCKS PILED ON TOP OF LIGHT

ROCKS, MATERIAL STEEPER THAN NORMAL ANGLE, WET WEATHER

21

WHEN CAN MINERS WORK NEAR OR UNDER DANGEROUS HIGHWALLS?

ONLY WHEN CORRECTING UNSAFE CONDITIONS

77.1006(a)

22

A TYPE OF EMBANKMENT FAILURE WHERE THE FAILURE OCCURS BELOW THE TOE OF THE SLOPE, IS CALLED...

A TOE FAILURE

23

GROUND CONTROL METHODS USED BY SURFACE COAL MINES TO PREVENT HIGHWALL ACCIDENTS INCLUDE...

MAINTAINING PROPER SLOPE, BARRIERS, ROCK BOLTING, BENCHES

OR TERRACES, REMOVING WATER PRESSURE, SCALING LOOSE

MATERIAL

24

WHEN MAKING A BOX CUT, WHAT PRECAUTIONS SHOULD BE TAKEN?

MINIMIZE THE POSSIBILITY OF SPOIL MATERIALS ROLLING INTO THE PIT

77.1002

25

DRILLS IN OPERATION SHALL BE AT ALL TIMES

ATTENDED77.1009(a)

26

WHAT ARE TWO MAJOR CONCERNS WHEN WORKING ON OR AROUND STOCK PILED MATERIAL?

BRIDGING OVER DRAW OFF POINTS, CREATING ENGULFING HAZARDS

27

DRILL HOLES THAT NEED TO BE COVERED ARE HOLESTO CONSTITUE A HAZARD

LARGE ENOUGH77.1011

28

TRANSPORTATION & COMMUNICATION

1 2 3 4 5 6 7 8 9

10 11 13 14 15 16 17 18

19 20

12

29

WHERE ARE BERMS REQUIRED?

ON ELEVATED ROADWAYS AND AT DUMP SITES

77.1605(k)

30

WHAT IS THE MINIMUM HEIGHT OF A BERM?

AXLE HIGH OF THE LARGEST PIECE OF EQUIPMENT USING THE AREA

(from PAGE 202, PPM, July 1, 1988)

31

WHAT IS A PILE OR MOUND OF MATERIAL CAPABLE OF RESTRAINING A VEHICLE CALLED?

A BERM 77.2(d)

32

COAL MINE OPERATORS MUST ESTABLISH AND MAINTAIN A

BETWEEN THE MINE AND THE NEAREST POINT OF MEDICAL ASSISTANCE FOR USE IN AN EMERGENCY

COMMUNICATION SYSTEM77.1701(a)

33

WHEN MUST YOU HAVE ACCESS TO EMERGENCY MEDICAL ASSISTANCE AND TRANSPORTATION FROM A MINE PROPERTY IF YOU ARE INJURED?

24 HOURS A DAY77.1702(a)

34

ACCORDING TO MSHA, PERSONS SHALL NOT BE PERMITTED TO RIDE OR BE TRANSPORTED ON OR IN WHAT APPLIANCES OR EQUIPMENT?

DIPPERS,SHOVELS, BUCKETS, FORKS, CLAMSHELLS, CARGO SPACE OF

HAULAGE EQUIPMENT, OR OUTSIDE THE CABS OR BEDS OF MOBILE

EQUIPMENT77.1601(a),(b),(c)

35

WHAT ARE THE MSHA REQUIREMENTS FOR EQUIPMENT CAB WINDOWS?

BE SAFETY GLASS OR EQUIVALENT, IN GOOD CONDITON AND KEPT CLEAN

77.1605

36

WHAT MUST BE PROVIDED TO PREVENT OVERTRAVEL OR OVERTURNING AT DUMP LOCATIONS?

BERMS, BUMPER BLOCKS, SAFETY HOOKS, OR SIMILAR MEANS

77.1605(l)

37

HOW MUST SUPPLIES, MATERIALS, TOOLS, ETC. BE TRANSPORTED WITH MEN IN THE SAME VEHICLE?

SHALL NOT BE TRANSPORTED WITH MEN IN MAN TRIP VEHICLES UNLESS

THE VEHICLE IS SPECIFFICALLY DESIGNED TO MAKE SUCH

TRANSPORTATION SAFE77.1604

38

EQUIPMENT OPERATORS, SHALL BE CERTAIN BY THAT ALL PERSONS ARE CLEAR BEFORE STARTING OR MOVING EQUIPMENT

SIGNAL OR OTHER MEANS77.1607(g)

39

NAME FOUR FACTORS THAT CREATE POTENTIAL HAZARDS FOR HAULING COAL AND OVERBURDEN AT COAL MINES.

1) POOR HAULAGE ROAD CONDITIONS2) POOR VISIBILITY

3) DEFECTIVE EQUIPMENT4) IMPROPERLY MARKED ROADS

(from 2000 Wyoming Surface Coal Foreman’s Exam study guide)

40

WHEN SHOULD YOU INSPECT MOBILE LOADING AND HAULAGE EQUIPMENT?

BEFORE SUCH EQUIPMENT IS PLACED INTO OPERATION

77.1606(a)

41

WHAT EQUIPMENT IS USED TO TOW HEAVY EQUIPMENT?

TOW BARS AND SAFETY CHAIN77.1607(u)

42

COAL MINE EMPLOYEES SHALL NOT BE ASSIGNED, ALLOWED OR REQUIRED TO PERFORM WORK ALONE IN AREAS WHERE HAZARDOUS CONDITIONS EXIST UNLESS...

THEY CAN COMMUNICATE WITH OTHERS, CAN BE HEARD OR CAN BE

SEEN77.1700

43

HOW MUST EMERGENCY COMMUNICATIONS, REQUIRED BY MSHA, ON COAL MINE SITES BE ESTABLISHED?

BY TELEPHONE, RADIO TRANSMISSION, OR OTHER MEANS OF

PROMPT COMMUNICATION TO AN EMERGENCY FACILITY

77.1701(b)

44

MINE OPERATORS SHALL MAKE ARRANGEMENTS FOR OR OTHERWISE PROVIDE FOR...

24 HOUR EMERGENCY TRANSPORTATION FOR ANY PERSON

INJURED AT THE MINE77.1702(b)

45

EACH OPERATOR SHALL, IMMEDIATELY AFTER MAKING INITIAL ARRANGEMENTS FOR EMERGENCY MEDICAL CARE OR IMMEDIATELY AFTER ANY CHANGE OF SUCH AGREEMENT...

POST, AT APPROPRIATE PLACES, AT THE MINE THE NAMES, TITLES,

ADRESSES, AND TELEPHONE NUMBERS OS ALL PERSONS OR

SERVICES CURRENTLY AVAILABLE77.1702(e)

46

MOBILE EQUIPMENT OPERATORS SHALL HAVE OF THE EQUIPMENT WHILE IT IS IN MOTION.

FULL CONTROL77.1607(b)

47

VEHICLES SHALL FOLLOW AT A SAFE DISTANCE; PASSING SHALL BE LIMITED TO...

AREAS OF ADEQUATE CLEARANCE AND VISIBILITY

77.1607(a)

48

EQUIPMENT OPERATING SPEEDS SHALL BE...

PRUDENT AND CONSISTANT WITH CONDITIONS OF ROADWAY, GRADES,

CLEARANCE, VISIBILITY, TRAFFIC, AND TYPE OF EQUIPMENT USED

77.1607(c)

49

RESPIRATORY PROTECTION

1 2 3 4 5 6 7 8 9

10

11 13

10

16 18171514 19

20

12

50

WHAT ARE THE THREE EFFICIENCY LEVELS IDENTIFIED FOR PARTICULATE RESPIRATORS UNDER 42 CFR 84?

95%, 99%, AND 99.97%42 CFR 84

51

WHAT SIZE OF PARTICLE IS CONSIDERED TO BE RESPIRABLE DUST?

10 MICRONS OR SMALLER

52

WHAT IS THE ALLOWABLE COAL DUST EXPOSURE ACCORDING TO MSHA?

2 MILLIGRAMS PER CUBIC METER OF AIR

(2MG/M3)71.100

53

WHAT IS ????? PNEUMOULTRAMICROSCOPICSILICOVOLCANOCIOSIS

??????

MINER’S SILICOSIS(US BUREAU OF MINES DICTIONARY)

54

WHAT ARE THE THREE SERIES OF PARTICULATE RESPIRATORS DESIGNATED UNDER 42 CFR 84?

N, R, AND P42 CFR 84

55

WHAT DO THE SERIES DESIGNATIONS N, R, AND P UNDER THE PARTICULATE RESPIRATOR REGULATIONS STAND FOR?

N = NOT RESISTANT TO OIL AEROSOLSR= RESISTANT TO OIL AEROSOLS

P = OIL AEROSOL PROOF42 CFR 84

56

WHAT ARE THE PAPER DISPOSABLE RESPIRATORS DESIGNED TO PROTECT WORKERS FROM?

NUSIANCE DUSTS

57

WHEN USING A RESPIRATOR TO PROTECT EMPLOYEES FROM SPECIFIC RESPIRATORY HAZARDS, WHAT MUST BE ACCOMPLISHED PRIOR TO RESPIRATOR USE?

QUALITATIVE AND QUANTITATIVE FIT TESTING

58

WHAT MINERAL COMMONLY FOUND IN COAL MINE DUST CAN MODIFY THE RESPIRABLE COAL DUST STANDARD?

SILICA (QUARTZ) IN CONCENTRATIONS OF 5% OR MORE

71.101

59

IF YOU ARE WORKING IN AN AREA WITH A RESPIRATORY HAZARD REQUIRING MANDATORY WORKER PROTECTION UNDER 42 CFR 84, WHAT CLASS OF RESPIRATOR ARE YOU USING?

P10042 CFR 84

60

RESPIRABLE DUST SAMPLING REQUIRED TO BE PERFORMED UNDER 30 CFR 71. MUST BE CONDUCTED BY?

A CERTIFIED PERSON - SAMPLING71.202

61

WHO IS ALLOWED TO MAINTAIN AND CALIBRATE APPROVED SAMPLING DEVICES?

A CERTIFIED PERSON - MAINTENANCE AND CALIBRATION

71.203

62

WHAT REGULATIONS GOVERN THE CALIBRATION AND MAINTENANCE OF APPROVED DUST SAMPLING DEVICES?

30 CFR 71

63

WHAT IS SILICA?

SILICA OR SILICON DIOXIDE (SiO2), THE AGENT RESPONSIBLE FOR

SILICOSIS, IS FORMED WHEN OXYGEN COMBINES WITH SILICON.

64

WHERE CAN WE FIND SILICA?

CRYSTALLINE SILICA (FREE SILICA) IS MOST COMMONLY FOUND IN THE FORM OF QUARTZ IN NEARLY ALL MINERAL DEPOSITS. SOME ROCKS

ARE GRANITE, SANDSTONE, LIMESTONE, SHALE, AND TRAPROCK.

SILICA IS THE PRINCIPLE COMPONENT OF SAND AND OCCURS

IN MANY SOILS.

65

WHAT SURFACE MINING JOBS ARE AT HIGHEST RISK OF EXPOSURE TO SILICA?

DRILLERS, HAULAGE WORKERS, CRUSHING AND SIZING,

MAINTENANCE

66

HOW DOES CRYSTALLINE SILICA AFFECT THE BODY?

WHEN INHALED SILICA PARTICLES EXCEED THE LUNG’S CAPACITY TO REMOVE THEM, A HARDENING AND SCARRING OR STIFFENING OF THE

LUNGS CAN OCCUR, REDUCING THE LUNG’S ABILITY TO VENTILATE.

67

WHAT TYPES OF PNEUMOCONIOSIS (DUST DISEASE) ARE WE MOST CONCERNED ABOUT IN MINING?

SILICOSIS AND BLACK LUNG

68

WHAT ARE THE THREE RECOGNIZED MAJOR TYPES OF SILICOSIS?

CHRONIC SILICOSIS-THE MOST COMMON-20 TO 45 YEARS OF

OVEREXPOSUREACCELERATED SILICOSIS-HIGH

CONCENTRATIONS-DEVELOPES IN 5 TO 10 YEARS

ACUTE SILICOSIS-VERY HIGH CONCENTRATIONS-FEW WEEKS TO 4

TO 5 YEARS

69

IS THERE A DUST HAZARD IN YOUR WORK AREA WHEN YOU CANNOT SEE DUST?

POSSIBLY- THE DUST THAT IS CAPABLE OF CAUSING LUNG DISEASE (RESPIRABLE DUST) IS INVISIBLE TO THE HUMAN EYE. RESPIRABLE DUST IS 10 MICRONS OR SMALLER AND THE

SMALLEST PARTICLE OBSERVABLE BY THE HUMAN EYE IS 40 TO 50

MICRONS

70

MANDATORY HEALTH & SAFETY STANDARDS

1 2

10

3 4 5 6 7 8 9

11 12 13 14 15 16 17

19

18

20

71

GEARS, SPROCKETS, CHAINS, PULLEYS, BELTS, FLYWHEELS, AND SHAFTS MUST BE...

GUARDED 77.400(a)

72

WHAT DOES ROPS STAND FOR?

ROLL OVER PROTECTION SYSTEM77.2(w)

73

WHEN CAN EMPLOYEES WORK ALONE IN A HAZARDOUS AREA?

WHEN THEY CAN COMMUNICATE WITH OTHERS, CAN BE HEARD OR

CAN BE SEEN 77.1700

74

ACCORDING TO MSHA, THIS SAFETY DEVICE MUST BE ON HAND HELD POWER TOOLS...

CONSTANT FINGER PRESSURE CONTROLS

77.402

75

WHO IS ALLOWED TO GET ON OR OFF MOVING PIECES OF EQUIPMENT, ACCORDING TO MSHA?

TRAINMEN CAN GET ON OR OFF OF SLOW MOVING TRAINS

77.1603(b)

76

WHEN MUST A PRE-SHIFT EQUIPMENT INSPECTION BE PERFORMED?

PRIOR TO STARTING TO WORK WITH A PIECE OF EQUIPMENT

77.1606(a)

77

WHEN DOES MSHA REQUIRE HARD HATS AND SAFETY GLASSES?

WHERE A HAZARD EXISTS77.1710(a),(d)

78

SEAT BELTS DO NOT NEED TO BE WORN IN MINING EQUIPMENT WHEN...

THE BLADE OPERATOR IS STANDING OR THERE IS NO ROPS

77.1710(i)

79

WHEN BACKING, MOBILE EQUIPMENT ON MINE PROPERTY MUST HAVE...

AUTOMATIC BACK ALARMS, OR AN OBSERVER TO SIGNAL

77.410

80

LOADS EXTENDING BEYOND THE BEDS OF VEHICLES MUST BE MARKED WITH A LIGHT OR FLAG IF THE LOAD EXTENDS MORE THAN

FEET.

4 FEET77.1607(t)

81

THE METHANE CONTENT IN THE AIR OF ANY STRUCTURE, ENCLOSURE OR OTHER FACILITY SHALL BE LESS THAN...

1.0 VOLUME PER CENTUM77.201

82

WHAT CONDITION MUST MOBILE OR STATIONARY MACHINERY BE IN PRIOR TO INITIATING REPAIRS OR MAINTENANCE?

POWER OFF, BLOCKED AGAINST MOTION77.404(c)

83

WHAT SHALL NOT BE ALLOWED TO ACCUMULATE WHERE THEY CAN CREATE A FIRE HAZARD?

COMBUSTIBLE MATERIALS, GREASE, LUBRICANTS, PAINTS, OR

FLAMMABLE LIQUIDS77.1104

84

WHAT DIFFERENCE IN PERSONAL PROTECTIVE EQUIPMENT IS REQUIRED OF MINERS WHO HAVE LESS THAN ONE YEAR OF EXPERIENCE?

A DISTINCTIVELY DIFFERENT COLORED HARD HAT

77.1710-1

85

WHERE IS SMOKING PROHIBITED AT SURFACE COAL MINES?

WHERE SUCH PRACTICE MAY CAUSE A FIRE OR EXPLOSION

77.1711

86

WHAT MUST HAPPEN AFTER AN OPERATOR IS CITED BY MSHA FOR A VIOLATION OF THE RESPIRABLE DUST STANDARD?

WITHIN 15 CALENDAR DAYS OF THE VIOLATION, THE OPERATOR MUST SUBMIT A WRITTEN RESPIRABLE

CONTROL PLAN APPLICABLE TO THE WORK POSITION IDENTIFIED

71.300(a)

87

ACCORDING TO MSHA, HOW ARE “ACTIVE WORKINGS” DEFINED?

ANY PLACE IN A COAL MINE WHERE MINERS ARE NORMALLY REQUIRED

TO WORK OR TRAVEL77.2(a)

88

HOW DO WE USE THE “AMERICAN TABLE OF DISTANCES” IN REFERENCE TO 30 CFR 77?

THIS DOCUMENT, REFERENCED IN 30 CFR 77 INDICATES HOW WE CAN

SAFELY LOCATE EXPLOSIVES MAGAZINES77.1301(c)(1)

89

HOW MANY FIRE EXTINGUISHERS MUST BE PROVIDED AT WELDING, CUTTING, AND SOLDERING OPERATIONS?

AT LEAST ONE77.1111

90

HOW OFTEN MUST FIRE EXTINGUISHERS AT COAL MINES BE EXAMINED FOR OPERABLE, USEABLE CONDITION?

AT LEAST ONCE EVERY 6 MONTHS, WITH THE DATE RECORDED ON A TAG

PERMANENTLY ATTACHED TO THE EXTINGUISHER

77.1110

91

EXPLOSIVES

1 2 3 4 5 6 7 8 9

10 11 12 13 1514 16 17 18

19 20

92

WHAT IS NEEDED TO SEPARATE DETONATORS AND EXPLOSIVES DURING TRANSPORTATION?

4 INCHES OF HARDWOOD OR THE EQUIVALENT

77.1302(f)

93

HOW FAR APART SHALL DETONATOR MAGAZINES BE SEPARATED FROM EXPLOSIVE MAGAZINES?

25 FEET APART 77.1301(f)

94

HOW MUST EXPLOSIVE MAGAZINE SIGNS BE LOCATED?

SO THAT A BULLET PASSING THROUGH THE FACE OF THE SIGN

WILL NOT STRIKE THE MAGAZINE 77.1302(c)(9)

95

HOW HIGH CAN BOXES CONTAINING EXPLOSIVES BE STACKED IN MAGAZINES?

6 FEET 77.1301(g)

96

WHAT DO YOU DO TO THE DRILL HOLE AREA AFTER HOLES HAVE BEEN CHARGED?

THE AREA MUST BE BARRACADED, POSTED, FLAGGED OR GUARDED

AGAINST UNAUTHORIZED ENTRY 77.1303(g)

97

MOST EXPLOSIVE ACCIDENTS OR INJURIES ARE THE RESULT OF...

FLYROCK

98

ACCORDING TO MSHA, BLASTING MUST BE UNDER THE SUPERVISION OF...

AN EXPERIENCED BLASTER 77.1303(a)

99

WHEN ELECTRIC BLASTING CAPS HAVE BEEN USED, PERSONS SHALL NOT RETURN TO MISFIRED HOLES FOR AT LEAST...

15 MINUTES77.1303(m)

100

A PRODUCT THAT CONTAINS NO EXPLOSIVE INGREDIENT AND IS NOT CLASSED AS AN EXPLOSIVE BY THE D.O.T. IS CALLED A...

BLASTING AGENT77.2

101

THE AGENCY THAT CERTIFIES COAL MINE BLASTERS IN THE STATE OF WYOMING IS CALLED...

WYOMING DEPARTMENT OF ENVIRONMENTAL QUALITY, LAND

QUALITY DIVISION

102

HOW SHALL EXPLOSIVES MAGAZINES BE CONSTRUCTED?

REASONABLY BULLETPROOF AND FREE OF METAL PROTRUDANCES,

ROOFS CONSTRUCTED OF BULLETPROOF MATERIAL OR WITH SAND TRAYS, DOORS OF 3/8” STEEL

LINED WITH 2” OF WOOD OR EQUIVALENT

77.1301

103

THE AREA SURROUNDING THE MAGAZINE FOR A DISTANCE OF NOT LESS THAN 25 FEET SHALL BE KEPT CLEAR OF...

RUBBISH, GRASS, OR ANY OTHER COMBUSTIBLE MATERIAL

(FROM WYOMING COAL MINE FOREMAN STUDY GUIDE)

104

THE PURCHASE, STORAGE, AND USE OF EXPLOSIVES ARE CONTROLLED BY WHICH AGENCIES?

BUREAU OF ALCOHOL, TOBACCO, AND FIREARMS; MINE SAFETY AND

HEALTH ADMINISTRATION; OCCUPATIONAL SAFETY AND HEALTH

ADMINISTRATION; OFFICE OF SURFACE MINING; STATE MINE

INSPECTOR; AND LOCAL AGENCIES

105

WHAT IS A BASIC DEFINITION OF A HIGH EXPLOSIVE?

THOSE THAT ARE CAP SENSITIVE

106

HOW IS A “TYPE 2” EXPLOSIVES MAGAZINE CONSTRUCTED?

“TYPE 2” MAGAZINES ARE PORTABLE, SUCH AS A BOX, TRAILER, SEMI

TRAILER, OR OTHER MOBILE FACILITY. IT MUST BE RESISTANT TO

BULLETS, FIRE, WEATHER, AND THEFT AND BE WELL VENTILATED

107

HOW SHALL VEHICLES USED TO TRANSPORT EXPLOSIVES (OTHER THAN ANFO) BE CONSTRUCTED?

SUBSTANTIALLY CONSTRUCTED BODIES, NO SPARKING METAL

EXPOSED IN THE CARGO SPACE, EQUIPPED WITH SUITABLE SIDES AND

TAILGATE, DISPLAY PROPER EXPLOSIVE SIGNS

77.1302

108

WHAT IS THE FIRST THING YOU DO WHEN A MISFIRE HAS OCCURRED WHEN USING ELECTRIC BLASTING DETONATORS?

MISFIRES SHALL BE REPORTED TO THE BLASTING SUPERVISOR IN

CHARGE, AND SHALL BE DISPOSED OF SAFELY BEFORE ANY OTHER WORK IS PERFORMED IN THAT BLASTING

AREA77.1303(ll)

109

WHAT SHOULD YOU LOOK FOR AFTER SHOTS HAVE BEEN FIRED?

BLASTING AREAS SHALL BE EXAMINED FOR UNDETONATED

EXPLOSIVES AFTER EACH BLAST AND UNDETONATED EXPLOSIVES FOUND

SHALL BE DISPOSED OF SAFELY. BLASTING AREAS SHALL NOT BE RE-

ENTERED BY ANY PERSON AFTER FIRING UNTIL SUCH TIME AS

CONCENTRATIONS OF SMOKE, DUST, AND FUMES HAVE BEEN REDUCED TO

SAFE LIMITS77.1303(pp), (qq)

110

WHAT SHALL BE DONE BEFORE SHOTS ARE FIRED ADJACENT TO PLACES WHERE PEOPLE ARE WORKING?

AMPLE WARNING SHALL BE GIVEN BEFORE BLASTS ARE FIRED. ALL

PERSONS SHALL BE CLEARED AND REMOVED FROM THE BLASTING AREA

UNLESS SUITABLE BLASTING SHELTERS ARE PROVIDED TO

PROTECT PERSONS ENDANGERED BY CONCUSSION OR FLY ROCK FROM

BLASTING77.1303(h)

111

LEAD WIRES AND BLASTING LINES SHALL NOT BE WITHIN FEET OF BARE POWER LINES

20 FEET77.1303(i)

112ELECTRICAL HAZARDS

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16

19 20

1817

113

HOW DOES MSHA DEFINE THE TERM LOW VOLTAGE?

1 TO 660 VOLTS77.2(s)

114

WHAT IS THE MINIMUM RATING FOR GLOVES USED TO HANDLE HIGH VOLTAGE TRAILING CABLES ON COAL MINE PROPERTIES?

20,000 VOLTS77.705-5, 77.606-1(a)

115

WHAT IS/ARE THE COMPONENT(S) OF ELECTRICITY THAT ARE DANGEROUS TO HUMANS?

AMPS OR AMPHERESBONUS QUESTION

HOW MANY AMPS ARE GENERALLY CONSIDERED TO BE FATAL UPON CONTACT?

50 TO 100 MILLIAMPS OR .05 TO .10 AMPS

116

WHAT MUST BE POSTED AT ALL MAJOR ELECTRICAL INSTALLATIONS?

SUITABLE DANGER SIGNS77.511

117

HOW DOES MSHA DEFINE THE TERM MEDIUM VOLTAGE?

661 TO 1000 VOLTS77.2(s)

118

WHAT IS THE MINIMUM HEIGHT OF HIGH VOLTAGE POWERLINES ON COAL MINE PROPERTY?

15 FEET77.807-1

119

ACCORDING TO MSHA, HIGH VOLTAGE IS…

OVER 1000 VOLTS77.2(s)

120

HIGH VOLTAGE RUBER GLOVES IN COAL MINES MUST BE TESTED...

MONTHLY77.704-8

121

BOOMS OR MASTS OF EQUIPMENT MUST NOT BE CLOSER THAN FROM OVERHEAD POWERLINES OF 69,000 VOLTS.

12 FEET77.807-2(a)(1)

122

FOR POWERLINES OF 500,000 VOLTS OR MORE DISTANCE IS REQUIRED FROM BOOMS OR MASTS OF EQUIPMENT.

35 FEET77.807-2

123

HOW SHALL ELECTRICAL CONNECTIONS OR SPLICES IN INSULATED WIRE BE REINSULATED?

AT LEAST TO THE SAME DEGREE OF PROTECTION AS THE REMAINDER OF

THE WIRE77.504

124

HOW OFTEN MUST A QUALIFIED ELECTRICIAN CHECK ELECTRIC HAND TOOLS?

MONTHLY77.502-2

125

YOU CAN EASILY TELL THAT A POWER TOOL IS DOUBLE INSULATED BY LOOKING AT ITS POWER CORD…TRUE OR FALSE?

FALSE!

126

WHAT MUST BE DONE BEFORE WORKING ON AN ENERGIZED CIRCUIT OR EQUIPMENT?

DE-ENERGIZED, LOCKED AND TAGGED

77.500, .501

127

EXPLAIN THE DIFFERENCE BETWEEN TESTING AND INSPECTION OF HIGH VOLTAGE RUBBER GLOVES?

TEST: EVERY 30 DAYS ELECTRICALLY

INSPECT: BEFORE EACH USE FOR AIR LEAKS AND VISUAL

77.704-6

128

ANY TEST, EXAMINATION, REPAIR OR ADJUSTMENT TO CIRCUIT BREAKERS PROTECTING HIGH-VOLTAGE CIRCUITS MUST BE RECORDED…TRUE OR FALSE?

TRUE!77.502,.900-1,.900-2

129

WHO CAN PERFORM WORK ON ELECTRICAL CIRCUITS OR ELECTRICAL EQUIPMENT AT A COAL MINE?

AN MSHA QUALIFIED ELECTRICIAN OR A TRIANED PERSON, WORKING

UNDEER THE DIRECT SUPERVISION OF A QUALIFIED PERSON

77.501

130

ELECTRICAL CONNECTIONS OR SPLICES IN ELECTRIC CONDUCTORS SHALL BE , AND SUITABLE CONNECTORS SHALL BE USED.

MECHANICALLY AND ELECTRICALLY EFFICIENT

77.504

131

CABLES SHALL ENTER METAL FRAMES OF MOTORS, SPLICE BOXES, AND ELECTRIC COMPARTMENTS…

ONLY THROUGH PROPER FITTINGS77.705

132

INSPECTION AND COVER PLATES ON ELECTRICAL EQUIPMENT SHALL BE AT ALL TIMES EXCEPT DURING TESTING OR REPAIRS.

KEPT IN PLACE77.512

REMEMBER!

A SAFE SHIFT IS NO ACCIDENT!

THANKS FOR PLAYING

“IN PURSUIT OF SAFETY”REMBER TO WORK SAFELY, ALWAYS, THANK YOU!