Okland S&H Manual Subpart CC.7.b
A critical lift is any one or more of the following:
i. Any lift with a mobile crane in excess of 90% of the crane’s rated capacity for the configuration it is in.
ii. Any lift with a tower crane that is in excess of 95% of the crane’s rated capacity for the configuration it is in.
iii. Any lift involving steel erection with any crane that is in excess of 75% of the crane’s rated capacity for the configuration it is in.
iv. Any lift where any component of the rigging will be loaded in excess of 90% of the rigging’s rated capacity for the configuration it is in.
v. Any lift that requires the concurrent use of two or more cranes or two or more of any other type of hoisting equipment.
vi. Any lift that involves hoisting with a crane and lifting or movement of the load with any other type of equipment or vehicle.
vii. Any lift involving the pick and carry of a load with a track/crawler crane(s).
viii. Any lift of 100,000 pounds or more.
ix. Any lifting of personnel (e.g., hoisting personnel in a man-basket).
x. Using a crane where fully extended outriggers can NOT be used.
xi. Using a crane where the 360˚ load chart can NOT be used.
xii. Crane operations in which any part of the equipment, load line, or load (including rigging and lifting accessories) could become closer, intentionally or unintentionally, than the minimum clearance distance to overhead power lines as listed in OSHA regulation 29 CFR 1926.1408 Table A.
xiii. Lifting a load with unknown weight and/or center of gravity.
xiv. A lift that Okland has determined requires exceptional care in handling. This includes, but is not limited to: the size of the load, the weight of the load, close tolerance installation, a load that is highly susceptible to damage, a load that is of high monetary value, a load that has a long lead time for replacement, etc.