Domain 3: Technical Knowledge

(approximately 28% of the test)

1. Know the functions and limitations of the crane and attachments.
2. Know wire rope:
   (a) construction and breaking strength
   (b) inspection procedures
   (c) replacement criteria and procedures
   (d) capacity and when multi-part rope is needed
   (e) maintenance
   (f) relationship between line pull and safe working load.
3. Know bow to determine the manufacturer’s recommended rope for the crane.
4. Know rigging devices and their use, such as:
   (a) slings
   (b) spreaders
   (c) lifting beams
   (d) wire rope fittings, such as clips, shackles and wedge sockets
   (e) saddles (softeners)
   (f) clamps (beams)
5. Know the limitations of protective measures against electrical hazards:
   (a) grounding
   (b) proximity warning devices
   (c) insulated Jinks
   (d) boom cages
   (e) proximity to electric power lines, radio and microwave structures
6. Know the effects of load share and load transfer in multi-crane lifts.
7. Know basic crane terms.
8. Know the basics of machine power flow systems.
   (a) mechanical
   (b) electrical
   (c) pneumatic
   (d) hydraulic
   (e) combination
9. Know the significance of the instruments and gauge readings.
10. Know the requirements of pre-operation and inspection and maintenance.
11. Know how to use operational assist devices which include:
    (a) anti-two lock devices
    (b) load moment indicators and rated load indicators
    (c) outrigger position indicators
    (d) mechanical levels
    (e) boom angle indicators
    (f) load indicating devices
    (g) boom stops and boom hoist disconnects
    (h) radius indicators
    (i) drum rotation indicators
    (j) boom length indicators
12. Know how to calculate net capacity for every possible configuration of crane using the manufacturer’s load chart.
13. Know how to use manufacturer approved attachments and their effect on the crane.
14. Know how to obtain dimensions, weight and center of gravity of the load.
15. Know the effects of dynamic loading from:
    (a) wind
    (b) stopping and starting
    (c) impact loading
    (d) moving with the load
16. Know the difference between duty-cycle and lifting operations.
17. Know the effect of side loading.
18. Know the principles of backward stability.
19. Know the effects of thermal expansion and contraction in hydraulic cylinders.