Safety, Standards, and Regulations
Domain 5: Safety, Standards, and Regulations
The exam tests the rules that surround the lift: the applicable standards, roles and qualifications, inspection intervals, power-line safety, and what to do when a safety device faults.
Standards and roles
- ASME B30.22 is the primary safety standard for articulating boom cranes; OSHA 29 CFR 1926 Subpart CC applies to cranes used in construction. The manufacturer's manual and load chart control the specific machine.
- The employer must ensure operators, signalpersons and riggers are qualified. NCCCO certification is evidence of knowledge and skill, not a license to exceed the load chart or the employer's procedures.
- Follow inspection intervals: pre-shift by the operator, frequent and periodic inspections per ASME B30.22 and the manufacturer, with records. Remove defective equipment from service.
Power lines and safety devices
- Treat all lines as energized. Maintain the OSHA minimum approach distance; for lines 50 kV or below, 10 ft is the construction baseline. A closer approach requires de-energizing and grounding, or approved insulating protection and a dedicated spotter under a documented procedure.
- Never bypass, disable or ignore the LMI/RCL, anti-two-block device or outrigger position indicator. If a safety device malfunctions, stop the lift and follow the manufacturer's emergency procedure.
Worked example
A 13.8 kV line crosses the setup area. The required minimum approach distance is 10 ft. If the planned boom path would come within 8 ft, the operator must stop. The employer can have the utility de-energize and ground the line, relocate the lift, or use another approved procedure; the operator cannot simply "watch the wire" and proceed.
Traps
Believing certification alone authorizes any lift, bypassing a nuisance alarm, using a load chart that does not match the machine, skipping documentation of defects, and treating a spotter as a substitute for the required minimum approach distance.