Core Study Guide Latest Update | 2024/2025 | Rated A+

Core Study Guide Latest Update | 2024/2025 | Rated A+ 1926.1400 scope of cranes 1926.1423 Fall protection 1926.1431 Hoisting Personnel 29 CFR 1910.180 Cranes (General Industry) 29 CFR 1926.Subpart CC Cranes and Derricks (construction) A crane is at the point of instability when the crane's leverage on the load equals: 100% of the load's leverage on crane. A mobile crane's jib is offset 15 degrees versus its original 0 degree offset, but the boom angle remains unchanged. In this situation, the load radius: Increases. A sudden start or stop of the hoisting function while operating a mobile crane can produce a: Dynamic load. Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? Collapsing the boom. According to ASME which of the following listed below shall NOT be used for the suspension system on suspended personnel platforms? Synthetic web bridle. According to OSHA 1926.1408, for power lines rated 100 kV, the minimum clearance between the crane and any lines shall be? 15 feet w/encroachment precautions. According to OSHA 1926.1408, the minimum clearance between any part of the crane and power lines rated 50kV or below shall be: 10 feet w/encroachment precautions. According to OSHA 1926.1408, when operating near high voltage power lines, what clearance shall be required when the rating of the lines is 275kV? 20 feet w/encroachment precautions. According to OSHA 1926.1411, when you encounter power lines with a voltage of 44kV and the crane is TRAVELING, according to Table T, what is the minimum required clearance? 6 According to OSHA 1926.1431, at what wind speed must a qualified person be consulted? 20 mph. According to OSHA 1926.1431, during personnel platform hoisting operations, access gates shall NOT swing in which direction? Outward. According to OSHA 1926.1431, which device listed below must be attached to the crane? Anti-two-block. According to OSHA 1926.1431, which of these hoist options is prohibited? Hoist free fall. According to OSHA 1926.1431, while hoisting a personnel platform, what weather conditions listed below will promptly discontinue the operation? Dangerous. According to OSHA table T, what is the minimum clearance for 133kV power lines? 10 feet. According to OSHA where must a signal chart be