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
![OSHA Logo](/record/document/1488/97.jpg)
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
![inspected sticker on crane](/record/document/1488/98.jpg)
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
![](/record/document/1488/99.jpg)
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
![](/record/document/1488/100.jpg)
Exposed Moving Parts
![](/record/document/1488/101.jpg)
Swing Radius
![](/record/document/1488/102.jpg)
High Voltage Warning Signs
![danger electroctuion hazard sticker](/record/document/1488/103.jpg)
![danger electroctuion hazard sticker](/record/document/1488/104.jpg)
Boom stops
![photo of boom stops](/record/document/1488/105.jpg)
Jib stops
![photo of jib stops](/record/document/1488/106.jpg)
Boom Angle Indicators
![photo of boom angle indicators](/record/document/1488/107.jpg)
Boom Hoist Disconnects
![photo of boom hoist disconnects](/record/document/1488/108.jpg)
Anti-Two Block Devices
![Photo of
Anti-Two Block Devices](/record/document/1488/109.jpg)
Hydraulic Functions
![Photo of
Hydraulic Functions](/record/document/1488/110.jpg)
Leveling of the Crane
![Leveling of the Crane Photo](/record/document/1488/111.jpg)
![Leveling of the Crane Photo](/record/document/1488/112.jpg)
Sheaves
![photo of sheaves](/record/document/1488/113.jpg)
![photo of sheaves](/record/document/1488/114.jpg)
Drum Lagging and Flanges
![Photo of Drum Lagging and Flanges](/record/document/1488/115.jpg)
Components of the Boom Assembly
![photo of Components of the Boom Assembly](/record/document/1488/116.jpg)
Hooks
![photo of hook](/record/document/1488/117.jpg)
Hydraulic Hoses & Fittings
![photo of hyddraulic hoses and fittings](/record/document/1488/118.jpg)
Outriggers & Beams
![photo of outriggers and beams](/record/document/1488/119.jpg)
Load-Rating Chart
![photo of load rating chart](/record/document/1488/120.jpg)
Wire Rope
![photo of wire rope](/record/document/1488/121.jpg)
Operator's Compartment
![photo of operators compartment](/record/document/1488/122.jpg)
![danger sticker](/record/document/1488/123.jpg)
Access Ladder
![photo of access ladder](/record/document/1488/124.jpg)
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?