Rigging: Equipment Basics

Category	Sub-Category	Title	Made By	Phone #	Video ID	Date Rec'd	Play, min
Equipment	Mobile	Rigging: Equipment Basics	Coastal	800-767-7703	CSE31	2004	20

QUESTIONS

1) A suspended object always moves so its center of gravity is directly below the point of support. T__, F__.

2) Rigging should use lengths of wire rope or webbing-type slings which: a) maintain the object upright, b) maintain the center of gravity directly beneath the point of suspension (where wire rope contacts rigging).

3) Rigging involves everything from the hook down. T__, F__

4) The breaking strength is the maximum load that should be lifted with a sling. T__, F__

5) The rated capacity or working load limit is the maximum load allowed based on OSHA safety standards. T__, F__

6) The design factor is the breaking strength divided by the rated capacity. T__, F__

7) The minimum design factor allowed is: a) 2, b) 5, c) 10, d) 20.

8) The rated capacity times five equals the breaking strength. T__, F__

9) The safe working load is a load that can be lifted safely by a sling. T__, F__

10) A hitch is a) a hook, b) a clevis, c) the sling configuration used to fasten a sling to a load.

11) A tag line is used during a lift to: a) help lift the load, b) help balance the load, c) help control the load.

12) The sling angle is the angle between a leg of the sling and: a) horizontal, b) vertical, c) a line running between points of attachment to the load.

13) A smaller sling angle gives the sling greater capacity. T__, F__.

14) A vertical hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

15) A basket hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

16) A bridle hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

17) A choker hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

18) The parts of a wire rope include: a) skin, b) core, c) multi-wire strands, d) steel wires.

19) The reinforced loop at the end of a wire rope is known as: a) wire-rope loop, b) choke loop, c) island, d) eye.

20) The eye splice of a wire rope supporting a load must have ___ full tucks of rope end at the splice.

21) Wire rope cable clips [ a) can, b) cannot] be used to form the eye at the end.

22) Properly done clipped eye splices have about __ % of the rope strength.

23) A mechanical splice can have 100 % of the rope strength. T__, F__

24) To connect two ropes form eyes at the end of each and interlock the two thimbles. T__, F__

25) A sling is required to have written on it: a) the name, b) trade mark, c) capacity

26) Never repair a synthetic web sling. T__, F__

27) A load must be applied to the hook: a) near the end, b) in the saddle area.

28) A hook must be replaced when the throat opening is twisted more than __ % and the throat is widened more than __%.

29) Screw pin shackles are dangerous to use if the pin can ______ under load.

30) Always run a sling over the shackle eye, not the pin. T__, F__

31) A bolt type shackle won’t _______ under load.

32) Side loading reduces safe working loads of shackles and eye bolts. T__, F__

Category	Sub-Category	Title	Made By	Phone #	Video ID	Date Rec'd	Play, min
Equipment	Mobile	Rigging: Equipment Basics	Coastal	800-767-7703	CSE31	2004	20

ANSWERS

1) A suspended object always moves so its center of gravity is directly below the point of support. T__, F__.

2) Rigging should use lengths of wire rope or webbing-type slings which: a) maintain the object upright, b) maintain the center of gravity directly beneath the point of suspension (where wire rope contacts rigging).

3) Rigging involves everything from the hook down. T__, F__

4) The breaking strength is the maximum load that should be lifted with a sling. T__, F__

5) The rated capacity or working load limit is the maximum load allowed based on OSHA safety standards. T__, F__

6) The design factor is the breaking strength divided by the rated capacity. T__, F__

7) The minimum design factor allowed is: a) 2, b) 5, c) 10, d) 20.

8) The rated capacity times five equals the breaking strength. T__, F__

9) The safe working load is a load that can be lifted safely by a sling. T__, F__

10) A hitch is a) a hook, b) a clevis, c) the sling configuration used to fasten a sling to a load.

11) A tag line is used during a lift to: a) help lift the load, b) help balance the load, c) help control the load.

12) The sling angle is the angle between a leg of the sling and: a) horizontal, b) vertical, c) a line running between points of attachment to the load.

13) A smaller sling angle gives the sling greater capacity. T__, F__.

14) A vertical hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

15) A basket hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

16) A bridle hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

17) A choker hitch is: a) 1-leg hitch not looped through itself, b) 1 leg looped through itself, c) multiple-legs, d) 1 leg with two points of suspension.

18) The parts of a wire rope include: a) skin, b) core, c) multi-wire strands, d) steel wires.

19) The reinforced loop at the end of a wire rope is known as: a) wire-rope loop, b) choke loop, c) island, d) eye.

20) The eye splice of a wire rope supporting a load must have _3_ full tucks of rope end at the splice.

21) Wire rope cable clips [ a) can, b) cannot] be used to form the eye at the end.

22) Properly done clipped eye splices have about _80_ % of the rope strength.

23) A mechanical splice can have 100 % of the rope strength. T__, F__

24) To connect two ropes form eyes at the end of each and interlock the two thimbles. T__, F__

25) A sling is required to have written on it: a) the name, b) trade mark, c) capacity

26) Never repair a synthetic web sling. T__, F__

27) A load must be applied to the hook: a) near the end, b) in the saddle area.

28) A hook must be replaced when the throat opening is twisted more than _10_ % and the throat is widened more than _15_%.

29) Screw pin shackles are dangerous to use if the pin can _rotate_ under load.

30) Always run a sling over the shackle eye, not the pin. T__, F__

31) A bolt type shackle won’t _unscrew_ under load.

32) Side loading reduces safe working loads of shackles and eye bolts. T__, F__

Rigging Quiz

Rigging Quiz

1. Wire rope slings must be removed from service if they have kinks. True__, False__

2. Chain slings must be removed from service if they have excessive wear. True__, False__

3. The eyes of wire ropes may be formed with wire rope clips. True__, False__

4. Rigging equipment should be inspected for defects by a competent person: 1) prior to use on each shift___, 2) once each month___, 3) once each year___

5. Rigging equipment is damaged if it is overloaded. True__, False__

6. Eyes in slings may be formed by knots in the rope. True__, False__

7. All chains and slings should be marked as to their capacities, proof tested and marked, or discarded. True__, False__

8. A person making a heavy lift should consult a rigging chart. True__, False__

9. It is OK to walk under a load if the rigging equipment has been inspected. True__, False__

10. A deformed rigging fitting should be removed from service. True__, False__

11. Any hardened bolt can be used to pin a shackle. True__, False__

12. Allowable wear to a shackle before replacement should be less than a)___5 %, b)___10%, c)___15 %, d)___20%, or e)___25% of any sectional dimension.

13. The following are reasons for removing a fitting from service: a)___a sharp surface nick, b)___a surface gouge, c)___a crack.

14. A lay in a wire rope is equal to one complete revolution of a strand. True__, False__

15. Two broken wires within one wire rope diameter of a fitting is cause for removal from service. True__, False__

16. Wire ropes should be removed from service if: a)___ there are more than a total of 10 broken wires in one rope lay, b___ more than 5 broken wires in a strand in one rope lay.

17. A grade 8 (80) chain should not be subjected to temperatures greater than a)___250^oF, b)___500^oF, c)___1000^oF, c)___2000^oF.

18. Discoloration is an indication that a chain has been overheated. True___, False___.

19. Synthetic web slings a)___cannot be steam cleaned, b)___ will withstand temperatures up to 194 ^oF, c)___ will withstand temperatures up to 244 ^oF .

20. Slings made from 6 x 19 and 6 x 37 independent wire rope core is rated to operate at temperatures as low as a)___-10 ^oF, b)___-20 ^oF, c)___-40 ^oF, d) a)___-60 ^oF e)___-80 ^oF.

21. OSHA requires that a synthetic web sling be permanently marked to show: a)___ the name & trademark of the manufacturer, b)___ the manufacturer’s code or stock number, c)___ rated loads for hitches, d)___ the type of synthetic web material.

21. OSHA requires alloy chain slings to have permanently affixed identification stating a)___size, b)___grade, c)___rated load, d)___angle load based on reach, e)___number of legs, f)___sling manufacturer.

22. Steel core slings should never be used at temperatures greater than a)___200^oF, b)___300^oF, c)___400^oF, c)___500^oF.

23. Synthetic slings should never be used at temperatures greater than a)___100^oF, b)___200^oF, c)___300^oF, c)___400^oF.

24. Basket hitch capacity must be reduced if the diameter of the basket is less than 20 times the diameter of the rope. True___, False___

25. The choker capacity is further reduced if the angle of choke is less than a)___60 ^o, a)___90 ^o, a)___120 ^o, a)___150 ^o.

26. The smaller the angle between a sling leg and horizontal, the less stress on the leg. True___, False___

27. A good sling angle to aim for is: a)___30^o, a)___45^o, a)___60^o, a)___90^o.

28. If one leg of a sling is at least as long as the distance between the points where it is fastened to the load, the angle of the sling will be at least: a)___30^o, a)___45^o, a)___60^o, a)___90^o.

29. At a 30^o angle between sling legs and horizontal, the sling will carry about a)___1/2 times, b)___same, c)___twice, d)___4 times the weight of a single leg when both legs are vertical.

30. At a 60^o angle between sling legs and horizontal, the sling will carry a)___1/2 times, b)___same, c)___150%, or d)___170%, e___twice the weight of a single leg when both legs are vertical.

30. At a 90^o angle between sling legs and horizontal, the sling will carry a)___1/2 times, b)___same, c)___150%, or d)___170%, e___ twice the weight of a single leg when both legs are vertical.

31. It is important to make the choker as tight as possible. True___, False___

32. Blocks should be used to prevent angles less than 30^o on a choker hitch.

33. Basket hitch capacity is a)___1/2 times, b)___same, c)___150%, or d)___170%, e___ twice the weight of a single leg when both legs are vertical.

34. Four leg slings have the same lifting capacity as three leg slings. True___, False___

35. A three leg sling carries 50 % more than a two leg sling if the center of gravity is in is in the center of the connection points and the legs are adjusted properly (share load equally). True___, False___

36. A screw pin shackle is the best type to use for permanent installations. True___, False___.

37. The pin on a screw pin shackle must be tightened before each use. True___, False___.

38. A round pin shackle is good for side loads. True___, False___

39. When the included angle is greater than 90 degrees, the sling should be connected to the hoist rope using a)___ a hook, b)___a shackle or link.

40. Malleable cast iron wire rope clips must not be used. True___, False___

41. L/H is: a)___ The length of a sling leg divided by the height from a horizontal line between the connection points and the point where the legs come together, b)___the load multiplier, c)___should never exceed 2.0, d)___ is 2.0 for a 30^o angle between the sling leg and the horizontal, e)___is the load angle factor, which when multiplied by the load on each leg with both legs vertical (90^o angle with horizontal), gives the load on each leg for the particular sling angle.

Rigging Quiz - Answers

1. Wire rope slings must be removed from service if they have kinks. True__, False__

2. Chain slings must be removed from service if they have excessive wear. True__, False__

3. The eyes of wire ropes may be formed with wire rope clips. True__, False__

4. Rigging equipment should be inspected for defects by a competent person: 1) prior to use on each shift___, 2) once each month___, 3) once each year___

5. Rigging equipment is damaged if it is overloaded. True__, False__

6. Eyes in slings may be formed by knots in the rope. True__, False__

7. All chains and slings should be marked as to their capacities, proof tested and marked, or discarded. True__, False__

8. A person making a heavy lift should consult a rigging chart. True__, False__

9. It is OK to walk under a load if the rigging equipment has been inspected. True__, False__

10. A deformed rigging fitting should be removed from service. True__, False__

11. Any hardened bolt can be used to pin a shackle. True__, False__

12. Allowable wear to a shackle before replacement should be less than a)___5 %, b)___10%, c)___15 %, d)___20%, or e)___25% of any sectional dimension.

13. The following are reasons for removing a fitting from service: a)___a sharp surface nick, b)___a surface gouge, c)___a crack.

14. A lay in a wire rope is equal to one complete revolution of a strand. True__, False__

15. Two broken wires within one wire rope diameter of a fitting is cause for removal from service. True__, False__

16. Wire ropes should be removed from service if: a)___ there are more than a total of 10 broken wires in one rope lay, b___ more than 5 broken wires in a strand in one rope lay.

17. A grade 8 (80) chain should not be subjected to temperatures greater than a)___250^oF, b)___500^oF, c)___1000^oF, c)___2000^oF.

18. Discoloration is an indication that a chain has been overheated. True___, False___.

19. Synthetic web slings a)___cannot be steam cleaned, b)___ will withstand temperatures up to 194 ^oF, c)___ will withstand temperatures up to 244 ^oF .

20. Slings made from 6 x 19 and 6 x 37 independent wire rope core is rated to operate at temperatures as low as a)___-10 ^oF, b)___-20 ^oF, c)___-40 ^oF, d) a)___-60 ^oF e)___-80 ^oF.

21. OSHA requires that a synthetic web sling be permanently marked to show: a)___ the name & trademark of the manufacturer, b)___ the manufacturer’s code or stock number, c)___ rated loads for hitches, d)___ the type of synthetic web material.

21. OSHA requires alloy chain slings to have permanently affixed identification stating a)___size, b)___grade, c)___rated load, d)___angle load based on reach, e)___number of legs, f)___sling manufacturer.

22. Steel core slings should never be used at temperatures greater than a)___200^oF, b)___300^oF, c)___400^oF, c)___500^oF.

23. Synthetic slings should never be used at temperatures greater than a)___100^oF, b)___200^oF, c)___300^oF, c)___400^oF.

24. Basket hitch capacity must be reduced if the diameter of the basket is less than 20 times the diameter of the rope. True___, False___

25. The choker capacity is further reduced if the angle of choke is less than a)___60 ^o, a)___90 ^o, a)___120 ^o, a)___150 ^o.

26. The smaller the angle between a sling leg and horizontal, the less stress on the leg. True___, False___

27. A good sling angle to aim for is: a)___30^o, a)___45^o, a)___60^o, a)___90^o.

28. If one leg of a sling is at least as long as the distance between the points where it is fastened to the load, the angle of the sling will be at least: a)___30^o, a)___45^o, a)___60^o, a)___90^o.

29. At a 30^o angle between sling legs and horizontal, the sling will carry about a)___1/2 times, b)___same, c)___twice, d)___4 times the weight of a single leg when both legs are vertical.

30. At a 60^o angle between sling legs and horizontal, the sling will carry a)___1/2 times, b)___same, c)___150%, or d)___170%, e___twice the weight of a single leg when both legs are vertical.

30. At a 90^o angle between sling legs and horizontal, the sling will carry a)___1/2 times, b)___same, c)___150%, or d)___170%, e___ twice the weight of a single leg when both legs are vertical.

31. It is important to make the choker as tight as possible. True___, False___

32. Blocks should be used to prevent angles less than 30^o on a choker hitch.

33. Basket hitch capacity is a)___1/2 times, b)___same, c)___150%, or d)___170%, e___ twice the weight of a single leg when both legs are vertical.

34. Four leg slings have the same lifting capacity as three leg slings. True___, False___

35. A three leg sling carries 50 % more than a two leg sling if the center of gravity is in is in the center of the connection points and the legs are adjusted properly (share load equally). True___, False___

36. A screw pin shackle is the best type to use for permanent installations. True___, False___.

37. The pin on a screw pin shackle must be tightened before each use. True___, False___.

38. A round pin shackle is good for side loads. True___, False___

39. When the included angle is greater than 90 degrees, the sling should be connected to the hoist rope using a)___ a hook, b)___a shackle or link.

40. Malleable cast iron wire rope clips must not be used. True___, False___

41. L/H is: a)___ The length of a sling leg divided by the height from a horizontal line between the connection points and the point where the legs come together, b)___the load multiplier, c)___should never exceed 2.0, d)___ is 2.0 for a 30^o angle between the sling leg and the horizontal, e)___is the load angle factor, which when multiplied by the load on each leg with both legs vertical (90^o angle with horizontal), gives the load on each leg for the particular sling angle.

Radiation – Standard’s Requirements

Radiation – Standard’s Requirements

Information from MSHA Booklet – SM 7 – “Radiation Hazards in Mining”

1. Ionizing radiation includes: a) infrared, b) x-rays, c) UV, d) beta, e) gamma, f) alpha, g) visible radiation.

2. Radiation causes the chemical bonds in a person’s DNA to break down. True___, False___

3. Alpha radiation: a) consists of helium ions, b) has a much lower velocity than gamma radiation, c) is stopped by ordinary clothing, d) can’t do any damage unless swallowed or ingested.

4. A shield no thicker than a thin piece of wood can stop beta radiation. True___, False ___

5. Ionizing radiation is found in all uranium mines and in some phosphate mines. True___, False ___

6. Fast-moving radiation will damage everything it encounters as it travels, including cells and tissues of the human body. True___, False ___

7. Lasers are a source of all ionizing radiation. True___, False ___

8. Radiation in underground mining can almost always be traced to the same sources – uranium and thorium. True___, False ___

9. Radon and thoron daughters are gases released in the decay of uranium and thorium. True___, False ___

10. The fraction of a radioactive substance remaining after 4 half lives is less than a) ½, b) ¼, c) 1/8, or d) 1/16.

11. Uranium will decay to ½ its initial activity level in about: a) 1 hour, b) 4.5 days, c) 12 days, d) 4.5 billion years.

12. Thorium will decay to ½ its initial activity level in about a) 1 hour, b) 14 days, c) 144 days, d) 14 billion years.

13. Exposure to radiation may cause: a) leukemia, b) defects in children.

14. Smoking increases the likelihood of lung cancer in uranium miners by: a) none, b) 50 %, c) 100 %, 4) several hundred %.

15. About a) 20, b) 40, c) 60, d) 80 percent of our exposure to radiation comes from natural sources.

16. Underground mines are required to take at least a)1, b)5, c)10, d)50, e)0 sample(s) to determine the concentration of radiation in the exhaust mine air.

17. The 0.1 working level (WL) “action level” for radon daughters in exhaust mine air is found in: a) the Federal Mine act, b) the TLVs, or c)30CFR Part 57.

18. Mine workers shall not be exposed to over a)0.1, b)0.3, c)0.5, d)1.9, e)1.0 WL per shift.

19. Which are true: a)more exposure to radiation leads to more cancer, b)welders without proper eye protection are exposed to high levels of ultraviolet radiation, c)a good filter face mask respirator will protect you from exposure to radon daughters, d)heat is a good indicator that non-ionizing radiation levels are approaching or exceeding limits, e)MSHA tests for radon in all full-time underground mines at least four times per year, f) most cancers occur within 10 years of radiation exposure.

20. Burns, eye damage and skin deformation are some of the harmful effects of radiation. True ___, False ___

Radiation – Standard’s Requirements - Answers

Information from MSHA Booklet – SM 7 – “Radiation Hazards in Mining”

21. Ionizing radiation includes: a) infrared, b) x-rays, c) UV, d) beta, e) gamma, f) alpha, g) visible radiation.

22. Radiation causes the chemical bonds in a person’s DNA to break down. True___, False___

23. Alpha radiation: a) consists of helium ions, b) has a much lower velocity than gamma radiation, c) is stopped by ordinary clothing, d) can’t do any damage unless swallowed or ingested.

24. A shield no thicker than a thin piece of wood can stop beta radiation. True___, False ___

25. Ionizing radiation is found in all uranium mines and in some phosphate mines. True___, False ___

26. Fast-moving radiation will damage everything it encounters as it travels, including cells and tissues of the human body. True___, False ___

27. Lasers are a source of all ionizing radiation. True___, False ___

28. Radiation in underground mining can almost always be traced to the same sources – uranium and thorium. True___, False ___

29. Radon and thoron daughters are gases released in the decay of uranium and thorium. True___, False ___

30. The fraction of a radioactive substance remaining after 4 half lives is less than a) ½, b) ¼, c) 1/8, or d) 1/16.

31. Uranium will decay to ½ its initial activity level in about: a) 1 hour, b) 4.5 days, c) 12 days, d) 4.5 billion years.

32. Thorium will decay to ½ its initial activity level in about a) 1 hour, b) 14 days, c) 144 days, d) 14 billion years.

33. Exposure to radiation may cause: a) leukemia, b) defects in children.

34. Smoking increases the likelihood of lung cancer in uranium miners by: a) none, b) 50 %, c) 100 %, 4) several hundred %.

35. About a) 20, b) 40, c) 60, d) 80 percent of our exposure to radiation comes from natural sources.

36. Underground mines are required to take at least a)1, b)5, c)10, d)50, e)0 sample(s) to determine the concentration of radiation in the exhaust mine air.

37. The 0.1 working level (WL) “action level” for radon daughters in exhaust mine air is found in: a) the Federal Mine act, b) the TLVs, or c)30CFR Part 57.

38. Mine workers shall not be exposed to over a)0.1, b)0.3, c)0.5, d)1.9, e)1.0 WL per shift.

39. Which are true: a)more exposure to radiation leads to more cancer, b)welders without proper eye protection are exposed to high levels of ultraviolet radiation, c)a good filter face mask respirator will protect you from exposure to radon daughters, d)heat is a good indicator that non-ionizing radiation levels are approaching or exceeding limits, e)MSHA tests for radon in all full-time underground mines at least four times per year, f) most cancers occur within 10 years of radiation exposure.

40. Burns, eye damage and skin deformation are some of the harmful effects of radiation. True ___, False ___

Hidden Hazards - Pipeline Safey in the Mining Industry

Category	Sub-Category	Title	Made By	Phone #	Video ID	Date Rec'd	Play, min
Excavation	Safety	Hidden Hazards - Pipeline Safey in the Mining Industry	Horizon Natural Resources - Martin Consulting; Pt. Pleasant, WV 25550	304-675-7654	HH1	2002	19

QUESTIONS

1. The total number of recorded fatalities due to accidental contact with natural gas lines is about a) 30, b) 350, c)3500.

2. How many were killed when the grader operator in Lebanon, MO hit the propane line? a)1, b)9, c)15, d)53, e) none.

3. How many were killed in Kema, Texas when the weight of the backhoe caused the pipeline to leak in a propane line and welding on the surface caused the line to explode? a)1, b)5, c)23, d)52, e) none.

4. What is the minimum inches of dirt you can expect to be covering buried hazardous materials transmission lines? a) none b)8, c)18, c)28, d)38

5. What were the circumstances that caused the death of the dozer operator who hit the 12-inch deep gas line in Simms, Montana? a) Dug too deep, 2) Line markers had been removed, c) Was careless.

6. How deep are most gas pipelines? a)12 inch, b)24, inch, c)36 inch, d)48 inch

7. What pieces of mining equipment are the lead causes of pipeline accidents in the mining industry? a) excavators, b) draglines, c) dredges, d) front-end loaders, e) dozers.

8. According to the video, pipeline hazards should be considered prior to which of the following mining activities: a)loading, b)dozing, c)excavating, d)drilling, e)augering, f)highwall mining, g)blasting, and e)hauling

9. What steps should you take if you hit a pipeline? a) Turn off the equipment, b) Leave the area, c) Maintain a safe distance, d) call emergency numbers, e) call the utility, f) drive away*

10. About how many miles of pipeline exist in the US? a) 15,000, b)150,000, c)1.5 million, d)1.5 billion.

11. How long does it take the utility to turn of a punctured line? a) several seconds, b) several minutes, c) several hours, d) several days

12. Roughly how many gallons of liquid flow per hour does a 16-inch line have? a) 231, b) 2310, c) 23,100, d) 231,000.

13. What are the primary causes of accidental contact with fuel transmission lines? a) Lines not marked correctly, b) markers removed, c) unsafe operating procedures, d) failure to call the one-call number.

14. What pressures do natural gas lines operate at? a) 8-12 psi, b) 80-120 psi, c) 800-1200 psi, d)8000-12000 psi.

15. What is the lower explosive limit for natural gas? a) 5%, b)10%, c)30 %, d) 60 %

16. All natural gas and propane lines have mercaptan added so a leak can be detected by smell? True___, False___

17. Notification periods for calling the one-call number before any excavation-type work are: a) consistent in all states, b) different in different states

18. Line markers are: a) on top of lines, b) usually within 150 feet of the line

19. Civil penalties for violation of federal pipeline regulations a) result in fines ranging from 50 to 500 thousand dollars, b) may result in jail time up to 15 years

20. A penalty of up to 5 years imprisonment can be given for failure to call the one-call number before excavating. True___, False___

21. Removing pipeline markers can result in up to 1 year of imprisonment. True___, False___

22. How do you locate the one-call number in Michigan? ­­­­­­­______________________________

Category	Sub-Category	Title	Made By	Phone #	Video ID	Date Rec'd	Play, min
Excavation	Safety	Hidden Hazards - Pipeline Safey in the Mining Industry	Horizon Natural Resources - Martin Consulting; Pt. Pleasant, WV 25550	304-675-7654	HH1	2002	19

ANSWERS

1. The total number of recorded fatalities due to accidental contact with natural gas lines is about a) 30, b) 350, c)3500.

2. How many were killed when the grader operator in Lebanon, MO hit the propane line? a)1, b)9, c)15, d)53, e) none.

3. How many were killed in Kema, Texas when the weight of the backhoe caused the pipeline to leak in a propane line and welding on the surface caused the line to explode? a)1, b)5, c)23, d)52, e) none.

4. What is the minimum inches of dirt you can expect to be covering buried hazardous materials transmission lines? a) none b)8, c)18, c)28, d)38

5. What were the circumstances that caused the death of the dozer operator who hit the 12-inch deep gas line in Simms, Montana? a) Dug too deep, 2) Line markers had been removed, c) Was careless.

6. How deep are most gas pipelines? a)12 inch, b)24, inch, c)36 inch, d)48 inch

7. What pieces of mining equipment are the lead causes of pipeline accidents in the mining industry? a) excavators, b) draglines, c) dredges, d) front-end loaders, e) dozers.

8. According to the video, pipeline hazards should be considered prior to which of the following mining activities: a)loading, b)dozing, c)excavating, d)drilling, e)augering, f)highwall mining, g)blasting, and e)hauling

9. What steps should you take if you hit a pipeline? a) Turn off the equipment, b) Leave the area, c) Maintain a safe distance, d) call emergency numbers, e) call the utility, f) drive away*

10. About how many miles of pipeline exist in the US? a) 15,000, b)150,000, c)1.5 million, d)1.5 billion.

11. How long does it take the utility to turn of a punctured line? a) several seconds, b) several minutes, c) several hours, d) several days

12. Roughly how many gallons of liquid flow per hour does a 16-inch line have? a) 231, b) 2310, c) 23,100, d) 231,000.

13. What are the primary causes of accidental contact with fuel transmission lines? a) Lines not marked correctly, b) markers removed, c) unsafe operating procedures, d) failure to call the one-call number.

14. What pressures do natural gas lines operate at? a) 8-12 psi, b) 80-120 psi, c) 800-1200 psi, d)8000-12000 psi.

15. What is the lower explosive limit for natural gas? a) 5%, b)10%, c)30 %, d) 60 %

16. All natural gas and propane lines have mercaptan added so a leak can be detected by smell? True___, False___

17. Notification periods for calling the one-call number before any excavation-type work are: a) consistent in all states, b) different in different states

18. Line markers are: a) on top of lines, b) usually within 150 feet of the line

19. Civil penalties for violation of federal pipeline regulations a) result in fines ranging from 50 to 500 thousand dollars, b) may result in jail time up to 15 years

20. A penalty of up to 5 years imprisonment can be given for failure to call the one-call number before excavating. True___, False___

21. Removing pipeline markers can result in up to 1 year of imprisonment. True___, False___

22. How do you locate the one-call number in Michigan? ­­­­­­­______________________________

Answers: 3) 3 were seriously injured, 16) mercaptan is required in local lines only, 17) usually 2-3 days, 22) Look up “Miss Dig” in your phone directory – 800-482-7071 in ours

* If you hit an electric line, above or below, your safest option is to drive away, if this is possible.