NCCCO CORE + SPECIALTY TEST PREP – 79 QUESTIONS WITH 100% CORRECT ANSWERS.
ASME B30.5 Mobile and Locomotive cranes, all types ASME B30.3 Tower Cranes ASME B30.23 Personel Lifting Regs OSHA 29 CFR 1926.1400 Series Cranes & Derrick's used in Construction regs. Rotation Resistant Wire Rope 2 randomly broken wires in 6 diameters. 4 randomly broken wires in 30 diameters. Safety factor 5.0 Safety factor personel lifts 10-1 ASME B30.9 Slings Personel Platforms ASME B30.23 Maximum Wind 15mph Cranes capacity not exceed 50% Rigging 5-1 Safety Factor, if Wire Rope Bridal must use MasterLink or Shackle Attachment. Wire Rope Safety Factor 7-1, Rotation Resistant 10-1 Sling eyes must have thimbles. Load test platform 125% / 5 minutes before use. Frequent + daily inspection. 100' per minute lower speed. Gate must Open Inward. OSHA 29 CFR 1926.1402 Ground Conditions Ground must be firm, graded and drained. Warn Operator of Locations of Hazards. Outriggers + Dunnage Pads should be Secured To Outriggers. Outrigger Floats + Mats should be able to Support Total Weight of Crane and Load, including rigging. Fully extended, tires off ground. Free of Crane weight. If cannot fully extend outriggers, on rubber chart should be used. Unless have load chart for partially extended. Outrigger Pads Must be 90° angle to cylinder. Mats and Blocking used to distribute bearing pressure. Never block under outrigger beams. Truck crane pick over front require front outrigger load chart. Spans and gapped blocking fails at 50% load and destroys pads. Swing Clearance Swing clearance must be barricaded. (2' outside swing radius) Best Leveling Surface On Crane? Upper works. Cranes 3° out of level will? Decrease capacity by as much as 50%. Plus add to excessive boom side loading and sheeve wear. Level not to exceed <1° When Swinging Unlevel Crane? Load Radius Increases. Extended Crawlers Will? Increase over the side capacity. Greatest Ground Pressure Exerted By Crane? Over rear corner (outriggers) Corners (crawlers) Least Exerted Ground Pressure By Crane? Over side (both outrigger and crawler) Greatest Crane Lifting Capacity? Rear (outriggers and crawlers) Distance from Excavations? 1.5 ratio, I.E 10' Deep Excavation 10x1.5=15' from outrigger pad. Newly Compacted Soil near walls is a 1-1 ratio. OSHA 29 CFR 1926.1404 ASSEMBLY/DISASSEMBLY AD director must be available, Must be competent or qualified. AD must understand the Assembly Disassembly procedures. AD must ensure crew members understand their -Tasks -Associated Hazards -Haz Positions, Locations to avoid. -Site and Ground Conditions -Blocking -Assembly, "always install upper pins 1st" -When Pins are Removed, noone is allowed under boom until proper safety precautions are taken to minimize risk. Cantelever Boom Sections Must? Not exceed mfg limitations and instructions for boom lengths. Order Of Boom Section Assembly is? Short to Long, unless mfg recommends otherwise. Use Dog (Pawl)? When Assembling. OSHA 29 CFR 1926.1408 Covers? Power Lines. Voltages Under 350kv. Per OSHA 1926.1408 (Table A) Minimum Line Clearance Distances While Stationary Are? 0-50kv / 10' 50-200kv / 15' 200-350kv / 20' 350-500kv / 25' 500-750kv / 35' 750-1000kv / 45' "OVER 1000KV UTILITY/REGISTERED PROFESSIONAL ENGINEER, who is qualified, WILL ESTABLISH SAFE DISTANCES" Per OSHA 1926.1411 (Table T) Minimum Line Clearance Distances While Traveling Are? <0.75kv / 4' 0.75-50kv / 6' 50kv-345kv / 10' 345kv-750kv / 16' 750kv-1000kv / 20' "Over 1000kv, utility/ registered professional engineer, who is qualified, dictates allowable distances." Per OSHA 1926. While Traveling, Or stationary, A Dedicated Spotter is Required? When any part of Crane will come closer than 20' of energized conducter, Any Voltage Under 1000kv. Per OSHA 1926.1410 An Insulating link/device must be installed where? Between end of load line, (or below), and the load. Per OSHA 1926. When using a tagline around energized lines it must be? Non-conductive, (Polypropylene) Employer must _____ to the Operators and Crew Members Assigned to Work around Energized Conductors. Train and Explain Dangers and Hazards Per OSHA 1926.1401 A Qualified Person Is? By possession of a degree, certificate, professional standing, or by extensive knowledge, training and experience successfully demonstrates the ability to resolve/solve problems related to the subject matter, work, or the project. Per OSHA 1926.1401 A qualified Rigger is? A rigger who meets the qualified persons criteria. Per OSHA 1926.1401 A competent person is? Anyone who is capable of identifying existing predictable hazards in the surroundings which are unsanitary, hazardous, or dangerous to employees. And who has the authorization to take prompt corrective action to eliminate them. Modified equipment must be inspected by? A qualified person. Modified Equipment inspection must include? Functional testing of equipment by qualified person. Monthly Inspections must be performed by? A competent person. Monthly Inspection records must be kept 3 months. Name, SIG, date of inspection and results. Annual Inspections must be performed by? A qualified person. Must include functional testing. Inspection records must be kept for 12 months. Name, SIG, date of inspection and results. A competent person must ____ before each shift. Perform a visual inspection of equipment. Equipment should be taken out of service when? Required safety device is found inoperable. If Crane is idle for 3< months, inspections must be done by? A qualified person. Running rope is used where? Load lines, boom hoist lines. Most common is right regular lay. Right Regular Lay is? The most common type of wire rope used. Rotation Resistant rope cannot be? Used in boom hoist unless mfg specifies. Per OSHA 1926.1413 Wire rope diameter is out of service when? Outside diameter is reduced by 5% or more. Running wire rope must not? Have 3 broken wires in one stand of one lay. Have 6 randomly broken wires in on lay. Have a reduction of 5% diameter. Standing rope is? For Pendant lines, hog lines. 2 broken wires away from end socket 1 broken wire at end socket. Safety factor 3-1 Per OSHA 1926.1415 Safety devices are? -Crane Level Indicator -Boom Stops -Foot Pedals With Locks -Hydraulic Cylinder Check Valves -Horn -Rail Clamps / Rail Stops Per OSHA 1926.1415 Equipment Safety Devices Not Working? Require equipment be removed from service. Telescopic Cranes Manufactured After Feb-28-1992? Must be Equipped With Anti-Two Block Prevention System.
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