Operational Aids for Tower Cranes
Tower cranes have unique regulations about operational aids.
Required Category I operational aids and temporary alternative measures for tower cranes include the following:
- Trolley travel limiting device
- Boom hoist limiting device
- Anti-two-blocking device
- Hoist drum lower limiting device
- Load moment limiting device
- Hoist line pull limiting device
- Rail travel limiting device
- Boom hoist drum positive locking device and control
Required Category II operational aids and alternative measures for tower cranes include the following:
- Boom angle or hook radius indicator
- Trolley travel deceleration device
- Boom hoist deceleration device
- Load hoist deceleration device
- Wind speed indicator
- Load indicating device
To learn more about Crane, Derrick & Hoist visit our Crane, Derrick & Hoist Safety Online Training web page.
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