Two-Block Warning and Limit Systems in Lifting Crane Service

Standard:
Issued:
  • 1987-06-01
 
Publisher:
  • SAE International
Pages:
3
Scope:

The purpose of this SAE Recommended Practice is to establish the minimum performance requirements of devices which signal and/or automatically prevent two-blocking. This SAE Recommended practice applies to cranes in lifting crane service which are equipped with two-block warning and/or limit systems.

History:
Standard Published Revision Status
J1305_200711 2007-11-16 Latest Reaffirmed
1987-06-01 Historical Issued
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