CAUTIONS AND GENERAL INFORMATION
Use of Latches
ASME
Neither ASME B30.9 (Slings) nor B30.10 (Hooks) address when hook latches are required on hooks. Other codes and standards may require hook latches. The need for a latch on any hook is a function of the application of the hook, which is beyond the scope of ASME B30.10 (Interpretation: 10-14)
OSHA 1926.753 (c) HOISTING AND RIGGING
[§1926.753(c)(5)]
• (C)(5) Safety latches on hooks shall not be deactivated or made inoperable except:
• (5)(i) When a quali ed rigger has determined that the hoisting and placing of purlins and single joists can be performed more safely by doing so.
• (d)(2)(ii) Hooks with self - closing safety latches or their equivalent shall be used to prevent components from slipping out of the hook.
OSHA 1926.1425 (c) KEEPING CLEAR OF THE LOAD
[§1926.1425(c)]
• (c)(1) The materials being hoisted must be rigged to prevent unintentional displacement.
• (c)(2) Hooks with self - closing latches or their equivalent must be used. Exception: ‘‘J’’ hooks are permitted to be used for setting wooden trusses.
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