Summary Statement
A presentation reviewing the major safety risks mobile cranes pose for operators and workers around them and how to reduce those risks. It is designed for site supervisors or safety representatives.
2003
Inspection Requirements for Mobile Cranes
Key Concepts:- OSHA requirement concerning mobile crane inspections
- Crane inspection types
- Inspection records
- How to conduct a mobile crane inspection
- Basic crane inspection component list
- Competent Person needs to do inspection
- Correct any deficiencies immediately
- Maintain inspection records

Crane Inspection Types
Frequent
- Daily to monthly intervals.
- Performed at the start of each shift.
- Focuses on components that may change from day to day.
- 1 to 12 month intervals.
- Includes items listed in the daily inspection as well as; structural defects, excessive wear, and hydraulic or air leaks.
- Date of Inspection
- Signature of person conducting inspection
- Serial number; or other identifier

Conducting a Mobile Crane Inspection
Consider the following when inspecting cranes:
- Request for and review all inspection and maintenance documents.
- Conduct a walk-around.
- Ask the operator, ground crew (riggers), and/or supervisors appropriate questions.
- Check crane set up and stability.
- Pre-Inspection
- Operator
- Qualifications
- Crane Records
- Crane Setup
- Leveling
- Outriggers
- Stability
- Structural
Integrity
- Load Charts
- Availability
- Correct Use

Crane Inspection Components
- Manufacturers' manuals
- Exposed moving parts
- Swing radius
- High voltage warning signs
- Boom stops
- Jib stops
- Boom angle indicators
- Boom hoist disconnects
- Anti-two blocking device
- Hydraulic functions
- Leveling
- Sheaves
- Drum lagging and flanges
- Boom assembly
- Hooks
- Hydraulic hoses & fittings
- Outriggers
- Load charts
- Wire rope (running & standing)
- Operator's compartment
- Access ladders

Exposed Moving Parts

Swing Radius

High Voltage Warning Signs


Boom stops

Jib stops

Boom Angle Indicators

Boom Hoist Disconnects

Anti-Two Block Devices

Hydraulic Functions

Leveling of the Crane


Sheaves


Drum Lagging and Flanges

Components of the Boom Assembly

Hooks

Hydraulic Hoses & Fittings

Outriggers & Beams

Load-Rating Chart

Wire Rope

Operator's Compartment


Access Ladder

Learning Opportunity
- What are five (5) OSHA requirements concerning the inspection of mobile cranes?
- What two (2) types of inspections must be performed on all cranes?
- What three (3) inspection records shall be maintained monthly on critical items in use?