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The Tower Crane Specialty examination portion of the NCCCO Crane Inspector Written Examination tests the following knowledge areas relating to tower cranes:
Domain 1: Pre-Inspection Survey
- Approximately 10% of test
Domain 2: Records Review
- Approximately 10% of test
Domain 3: Visual Inspection
- Approximately 50% of test
Domain 4: Operational Testing
- Approximately 20% of test
Domain 5: Load Testing
- Approximately 10% of test
DOMAIN 1: PRE-INSPECTION SURVEY
- Knowledge of the standards and regulations applicable to crane inspection, including, but not limited, to ASME B30 and OSHA
- Have specific knowledge of cranes, including:
- Configuration/types
- Terminology
- Applications
- Components
DOMAIN 2: RECORDS REVIEW
- Know what engineering documentation must be provided for:
- Foundation/base engineering
- Tie-in to host structure engineering
- Manufacturer specific
DOMAIN 3: VISUAL INSPECTION
- Know and understand systems, including, but not limited to:
- Pneumatic
- Hydraulic
- Mechanical
- Electrical
- Structural
- Know the requirements for access and egress
- Knowledge in proper operation of:
- Safety devices
- Operational aids
- General knowledge of wire rope, including
- Rejection criteria
- Reeving specifications
- Termination hardware
- General knowledge of the manufacturer’s limitations, including, but not limited to, signage
DOMAIN 4: OPERATIONAL TESTING
- Knowledge of crane signals
- Hand signals
- Voice signals
- Knowledge necessary to verify the accuracy of operational aids
- Knowledge of control characteristics/functions
DOMAIN 5: LOAD TESTING
- Knowledge and understanding of differences between types of load tests, including:
- Proof
- Stability
- Structural
- Line pull
- Devices
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