1. Overhead and mobile crane safety

2. Characteristics of the load:
Hazardous or toxic materials
Weight
Dimensions 1a

3. Rigging information: Lift points Methods of attachment Rated capacity
Other factors affecting equipment operation. 2a

4. Operating procedures, including:
Step-by-step procedures
Applicable rigging precautions
Safety measures
Emergency procedures 2b

5. Overhead crane inspection
Inspections for overhead cranes in regular service
Frequent
Periodic 3a

6. Overhead crane frequent inspections
Check operating mechanisms
Look for hydraulic system leaks 4a

7. Overhead crane frequent inspections
Inspect crane hooks
Check hoist chains/end connections
Look for excessive:
wear
twist
distorted or stretched links 4b

8. Overhead crane frequent inspections
Check operating mechanisms
Inspect rope reeving 4c

9. Overhead crane periodic inspections
Items inspected in frequent inspection
Inspections of critical parts 5a

10. Overhead crane periodic inspections
Look for members that are deformed/cracked
Check for loose bolts or rivets
Inspect for cracked/worn sheaves/drums 5b

11. Overhead crane periodic inspections
Look for parts that are:
Worn
Cracked
Distorted
Check for wear on brake systems parts 5c

12. Overhead crane periodic inspections
Load indicators
Chain drive sprockets
Electrical apparatus 5d

13. Overhead crane inspection
Cranes not in regular use
Idle for 1 month/less than 6 months
Idle for more than 6 months
Standby cranes, inspect semi-annually 6a

14. Overhead crane wire rope inspection
Inspect once a month
Prepare certification record
Keep record on file 7a

15. Overhead crane wire rope inspection
Certification record must include:
Inspection date
Signature
Identifier for the ropes 7b

16. Overhead crane wire rope inspection
Check for any deterioration
Presents a safety hazard 7c

17. Overhead crane wire rope inspection
If wire rope is idle for a month or more:
Inspect it
Prepare certification record 7d

18. Overhead crane wire rope inspection
Certification record must include:
Inspection date
Signature
Identifier for the ropes 7e

19. Overhead cranes handling loads
Rated load not exceeded
Hoist rope not kinked
Hoist chain not wrapped around load 8a

20. Overhead cranes handling loads
Slings
Attach load to load block
Must clear obstacles 8b

21. Overhead cranes moving loads
Load secured in sling
Hoist rope not kinked
Lines not twisted
Hook position 9a

22. Overhead cranes moving loads
Avoid sudden acceleration/deceleration
Avoid contact with obstructions
No side pulls allowed 9b

23. Overhead cranes moving loads
No hoisting employee on load
No loads over people
No unattended controls
No using two cranes to lift load 9c

24. Overhead crane operator’s duties
Test brakes
Load is near capacity
Raise load a few inches
Apply brakes
Keep two wraps of rope on drum
10a

25. Overhead crane operator’s duties
Sound warning signal when:
Starting bridge
Load nears people
Test upper limit switch under no load
10b

26. Frequent inspection of mobile cranes
Check operating mechanisms
Inspect control mechanisms for wear/contamination
11a

27. Frequent inspection of mobile cranes
Air/hydraulic systems
Crane hooks
11b

28. Frequent inspection of mobile cranes
Safety devices
Rope reeving
Electrical apparatus
11c

29. Periodic inspections of mobile cranes
Items in frequent inspections
Structure/boom
Deformed, cracked, or corroded members
Loose bolts/rivets
Cracked/worn sheaves/drums
12a

30. Periodic inspections of mobile cranes
Worn, cracked, or distorted parts
Wear on brake and clutch system parts
Load, boom angle, and other indicators
12b

31. Periodic inspections of mobile cranes
Power plants
Chain-drive sprockets
Travel steering, braking, and locking devices
Tires
12c

32. Mobile cranes not in regular use
Idle for 1 month/less than 6 months
Idle for more than 6 months
Standby cranes, inspect semi-annually
13a

33. Mobile crane wire rope inspection
Inspect once a month
Appointed or authorized person
Prepare certification record
Keep record on file
14a

34. Mobile crane wire rope inspection
Check for any deterioration
Presents a safety hazard
14b

35. Mobile crane wire rope inspection
Wire rope has been idle for a month or more
Inspect for deterioration
Appointed or authorized person
Prepare a certification record
14c

36. Mobile cranes handling loads
Do not exceed rated load
Determine the weight (+ or – 10%)
Hoist chain not wrapped around the load
15a

37. Mobile cranes handling loads
Slings
Attach load to load block hook
Clear all obstacles
15b

38. Mobile cranes moving loads
Crane level/blocked
Load secured in sling
Hoist rope not kinked
Lines not twisted
Hook position
16a

39. Mobile cranes moving loads
No sudden acceleration/deceleration
No contact with obstructions
Side loading of booms limited to freely suspended loads
No side pulls allowed
16b

40. Mobile cranes moving loads
No hoisting employee on load
No loads over people
16c

41. Mobile cranes moving loads
No loads over the front area of truck-mounted cranes
Test brakes when handling a load near capacity
Raise load a few inches/apply brakes
16d

42. Mobile cranes moving loads
Use outriggers as needed
Secure floats to the outriggers
Use wood blocks properly
16e

43. Mobile cranes moving loads
Keep two full wraps of rope on drums
Use designated person when two or more cranes are used to lift one load
16f

44. Mobile cranes moving loads
Avoid sudden starts/stops
Prevent excessive swinging of load
Use tag line when rotation of the load is hazardous
16g

45. Mobile cranes in transit
Boom follows direction of travel
Superstructure secured to prevent rotation
Hook secured
17a

46. Mobile cranes in transit
Define traveling a crane with load
Explain role of the designated person
17b

47. Mobile cranes holding the load
Operator must stay at controls
No one under a load
Operator holds the drum from rotating
18a

48. Ballast/counterweights for mobile cranes
Use the full amount of ballast
Do not exceed the ballast amount
19a

49. Housekeeping requirements for mobile cranes
Store clothing/personal belongings
Store tools/other articles in tool box
20a

50. Refueling mobile cranes
Use approved safety type can
Do not refuel with engine running
21a

51. Mobile crane fire extinguishers
Keep a fire extinguisher in cab or the vicinity
Train personnel on use/care of fire extinguishers
22a

52. Locomotive cranes Avoid railway cars on adjacent tracks
Determine cars are not being moved on adjacent track
Proper flag protection has been established
23a

53. Maintenance requirements for overhead cranes
Based on crane manufacturer’s recommendations
Comply with the following precautions
24a

54. Maintenance requirements for overhead cranes
Run crane to safe location
Set all controllers to “off” position
Open & lock the main/emergency switch in open position
Place “out of order” signs on crane/floor
24b

55. Maintenance requirements for overhead cranes
Prevent interference with idle crane
When finished:
Reinstall guards
Reactivate safety devices
Remove maintenance equipment
24c

56. Adjustments & repairs for overhead cranes
Correct unsafe conditions found during inspections
Done only by designated personnel
25a

57. Adjustments & repairs for overhead cranes
Maintain adjustments of components
All functional operating mechanisms
Limit switches/control systems
Brakes, power plants
25b

58. Adjustments & repairs for overhead cranes
Promptly provide repairs/replacements
Discard defective crane hooks
Discard defective chains/rope slings
Discard critical parts…cracked, broken, bent, excessively worn
Keep pendant control stations clean/legible
25c

59. Maintenance procedures for mobile cranes
After adjustments and repairs have been made:
Reinstall guards
Reactivate safety devices
Remove maintenance equipment
26a

60. Operating near overhead electric lines
Follow the proper clearance distances in (c)(3)
27a