EICA Mobile Crane & Digger Derrick
1. If not overloaded, the ground bearing pressure of a 85% of the weight of the
single outrigger pad can approach a weight equal to: crane and 100% of the
suspended load
2. If you move a crawler crane from soft ground to hard- increase
er ground, ground bearing pressure will
3. On a crawler crane, ground bearing pressure is great- over the corner
est when hoisting where?
4. If an outrigger pad has 45,000 pounds applied to it 78 PSI
and the pad measures 2ft x 2ft how many psi is it
applying to the ground?
5. How much area would be required for 45,000 pounds 2,250 square inches
to create only 20 PSI?
6. Why use mats or cribbing? To reduce ground bearing
pressure
7. What is the purpose of placing blocking or pads under Distribute the force over a
the outrigger floats? larger area
8. While swinging a heavy load with a crane set up on 85% of the weight of the
outriggers and the operator swings over one of the crane and 100% of the
outriggers, that outrigger must be able to support weight of the load
9. What is the first thing an operator should do before post a signalperson to
traveling under a low pipe rack or obstruction? check clearances
10. According to OSHA, when traveling under an ener- 20ft
gized power line, what is the minimum distance for a
line with over 750kv?
, EICA Mobile Crane & Digger Derrick
11. When a crane is in transit and you are required to pass 6 ft (Table T)
under 50kV power lines, what is OSHA's minimum re-
quired clearance?
12. If setting up the crane by a ditch or an excavation, you 1 ½ times the depth of the
should stay at least what distance from the edge? excavation
13. When working at ground floor level near a cellar wall, at least as far back as the
the crane's outrigger pads or tracks should be placed depth of the wall below
ground
14. According to OSHA who is responsible for ensuring The controlling entity
proper ground conditions when setting up a mobile
crane?
15. What is not a good location for crane set up? Above utilities
16. What is the best procedure to follow when under- Contact local utility com-
ground utilities may be present? pany
17. While performing a shift inspection on a crane and Drained
there is water accumulation around the outrigger,
what must be done?
18. While operating a boom truck near a reinforced re- A distance equal to the
taining wall, it is recommended to stay back depth
19. What would be a concern when setting up a crane over Weight and vibration from
a sewer or water main? the machine and load
20. When setting up a crane in an area that has public the jobsite
access, you should barricade:
21.
, EICA Mobile Crane & Digger Derrick
When setting up a crane, what must be barricaded to The hazardous areas cre-
protect workers? ated by the rotating su-
perstructure
22. According to OSHA, what area must be barricaded to accessible areas within the
prevent employees from entering swing radius of the rear
of the rotating superstruc-
ture of the crane
23. The best way to keep people from being injured from Fence or barricade the
the counterweight of the crane is to swing area of the crane
24. When operating a crane in a tight space, what would 2 ft
be the recommended minimum clearance for the rear
swing of the crane?
25. The load line of the crane you're operating comes into stay in the cab until the
contact with an energized power line. There's no sign lines are de-energized
of any other danger, such as fire. In such a situation,
you should
26. What is the most common cause of death to ground electrocution
personnel working with cranes
27. According to ASME B30.5, when working around pow- 45 ft
er lines of more than 750kV, how much clearance is
generally required from any part of the crane and its
load
28. What is the proper procedure when using an insulat- be sure to maintain the
ing link or a boot near power lines correct allowable distance
from the lines
29. When working closer than 10 feet on a 12 KV line
, EICA Mobile Crane & Digger Derrick
De-energize and ground
the circuit.
30. What is the minimum allowable clearance from the 10 ft
crane and power lines under 50kV
31. When working near power lines, when is a dedicated When the crane can reach
spotter required? within 20 ft. of power lines
32. According to OSHA 1926 Subpart CC, how many power 3
line warning decals must be on a crane working in
construction?
33. When is it safe to handle loads under powerlines? The load nor any part of
the crane can come closer
than regulations allow
34. According to ASME B30.5, the prohibited zone for 15 ft
power lines that are 60kV is
35. What is the #1 cause of death of ground personnel Electrocution
working with cranes?
36. What is the minimum clearance for a crane operating 10 ft
near an energized power line of 40 kV for a non-qual-
ified electrical worker?
37. What must a person working around energized power Conductive items
lines not wear?
38. If a crane is being used closer than 10' to an energized Be an electrically qualified
power line, the operator must person
39. Jump from the crane
1. If not overloaded, the ground bearing pressure of a 85% of the weight of the
single outrigger pad can approach a weight equal to: crane and 100% of the
suspended load
2. If you move a crawler crane from soft ground to hard- increase
er ground, ground bearing pressure will
3. On a crawler crane, ground bearing pressure is great- over the corner
est when hoisting where?
4. If an outrigger pad has 45,000 pounds applied to it 78 PSI
and the pad measures 2ft x 2ft how many psi is it
applying to the ground?
5. How much area would be required for 45,000 pounds 2,250 square inches
to create only 20 PSI?
6. Why use mats or cribbing? To reduce ground bearing
pressure
7. What is the purpose of placing blocking or pads under Distribute the force over a
the outrigger floats? larger area
8. While swinging a heavy load with a crane set up on 85% of the weight of the
outriggers and the operator swings over one of the crane and 100% of the
outriggers, that outrigger must be able to support weight of the load
9. What is the first thing an operator should do before post a signalperson to
traveling under a low pipe rack or obstruction? check clearances
10. According to OSHA, when traveling under an ener- 20ft
gized power line, what is the minimum distance for a
line with over 750kv?
, EICA Mobile Crane & Digger Derrick
11. When a crane is in transit and you are required to pass 6 ft (Table T)
under 50kV power lines, what is OSHA's minimum re-
quired clearance?
12. If setting up the crane by a ditch or an excavation, you 1 ½ times the depth of the
should stay at least what distance from the edge? excavation
13. When working at ground floor level near a cellar wall, at least as far back as the
the crane's outrigger pads or tracks should be placed depth of the wall below
ground
14. According to OSHA who is responsible for ensuring The controlling entity
proper ground conditions when setting up a mobile
crane?
15. What is not a good location for crane set up? Above utilities
16. What is the best procedure to follow when under- Contact local utility com-
ground utilities may be present? pany
17. While performing a shift inspection on a crane and Drained
there is water accumulation around the outrigger,
what must be done?
18. While operating a boom truck near a reinforced re- A distance equal to the
taining wall, it is recommended to stay back depth
19. What would be a concern when setting up a crane over Weight and vibration from
a sewer or water main? the machine and load
20. When setting up a crane in an area that has public the jobsite
access, you should barricade:
21.
, EICA Mobile Crane & Digger Derrick
When setting up a crane, what must be barricaded to The hazardous areas cre-
protect workers? ated by the rotating su-
perstructure
22. According to OSHA, what area must be barricaded to accessible areas within the
prevent employees from entering swing radius of the rear
of the rotating superstruc-
ture of the crane
23. The best way to keep people from being injured from Fence or barricade the
the counterweight of the crane is to swing area of the crane
24. When operating a crane in a tight space, what would 2 ft
be the recommended minimum clearance for the rear
swing of the crane?
25. The load line of the crane you're operating comes into stay in the cab until the
contact with an energized power line. There's no sign lines are de-energized
of any other danger, such as fire. In such a situation,
you should
26. What is the most common cause of death to ground electrocution
personnel working with cranes
27. According to ASME B30.5, when working around pow- 45 ft
er lines of more than 750kV, how much clearance is
generally required from any part of the crane and its
load
28. What is the proper procedure when using an insulat- be sure to maintain the
ing link or a boot near power lines correct allowable distance
from the lines
29. When working closer than 10 feet on a 12 KV line
, EICA Mobile Crane & Digger Derrick
De-energize and ground
the circuit.
30. What is the minimum allowable clearance from the 10 ft
crane and power lines under 50kV
31. When working near power lines, when is a dedicated When the crane can reach
spotter required? within 20 ft. of power lines
32. According to OSHA 1926 Subpart CC, how many power 3
line warning decals must be on a crane working in
construction?
33. When is it safe to handle loads under powerlines? The load nor any part of
the crane can come closer
than regulations allow
34. According to ASME B30.5, the prohibited zone for 15 ft
power lines that are 60kV is
35. What is the #1 cause of death of ground personnel Electrocution
working with cranes?
36. What is the minimum clearance for a crane operating 10 ft
near an energized power line of 40 kV for a non-qual-
ified electrical worker?
37. What must a person working around energized power Conductive items
lines not wear?
38. If a crane is being used closer than 10' to an energized Be an electrically qualified
power line, the operator must person
39. Jump from the crane
