page contents

EFFECTIVE DATES
CRANE SAFETY DEVICES

Dec. 16, 1969

Boom Hoist Upper Limit Protection

Oct. 31, 1984

Power down boom hoist (except if the device is a Floating Crane/Derrick or a Land Crane/Derrick on a vessel /Flotation device)

Feb. 28, 1992

Anti-Two-Block Protection - Motion Limiting for Hydraulic Cranes and alarms for Friction Cranes

Dec. 31, 1999

Anti-Two-Block Protection - Articulating Cranes with Winches 

Mar. 23, 2004

Load weighing devices (Derricks and Articulating devices exempt) included: LMI, RCI, LML, RCL

Nov. 8, 2011

Anti-Two-Block Motion Limiting Protection for Lattice Boom Cranes & Derricks
Load Weighing Overload Protection (LMI & IML) for Articulating Cranes
Outrigger/Stabilizer (Horizontal beam extension position) sensor/monitor
Hoist Drum Rotation Indicator if Hoist Drum is not visible from the operator’s station
Safe access and Egress between ground and operators cab, machinery platforms and tower masts
Load weighing device on dedicated pile drivers

 


 SAFETY DEVICES AND
OPERATIONAL AIDS

SAFETY DEVICES

• Crane Level Indicators
• Boom Stops
• Jib Stops
• Foot Pedal Brake Locks
• Hydraulic Outrigger Integral Check Valves
• Rail Clamps on Rail-Mounted Devices
• Horn

 

OPERATIONAL AIDS / CATEGORY 1

• Boom Hoist Limiting Device
• Luffing Jib Limiting Device
• Anti-Two Block Device

 

 

 

OPERATIONAL AIDS / CATEGORY 2

• Boom Angle or Radius Indicator
• Luffing Jib Angle Indicator
• Boom Length Indicator
• Load Weighing and Similar Devices
• Outrigger/Stabilizer Position Sensor/Monitor
• Hoist Drum Rotation Indicator

 

If any safety device listed is not in proper working order, then equipment must be taken out of service until the device is working properly. Alternative measures are not permitted to be used.

 

If any operational aids in category 1 stop working properly, then the operator must safely stop operations until temporary alternative measures are implemented or the device is again working properly. 

Repairs must be completed no later than 7 calendar days. 

Exception: if parts are ordered within 7 calendar days and repairs completed within 7 calendar days of receipt of parts.

 

If any operational aids in category 2 stop working properly, then the operator must safely stop operations until temporary alternative measures are implemented or the device is again working properly. 

Repairs must be completed no later than 30 calendar days. 

Exception: if parts are ordered within 7 calendar days and repairs completed within 7 calendar days of receipt of parts.