Crane Safety Vincent J. Giblin, General President 1293 Airport Road Beaver, WV 25813 Phone: (304) 253 -8674 Fax: (304) 253 -7758 E-mail: hazmat@iuoeiettc. org
v 1926. 550 Cranes and Derricks 4 b. Crawler, Locomotive and Truck Cranes 4 c. Hammerhead Tower Cranes 4 d. Overhead and Gantry 4 e. Derricks 4 f. Floating Cranes 4 g. Suspended Personnel Platforms
v 1926. 551 HELICOPTORS v 1926. 552 HOISTS AND ELEVATORS v 1926. 553 BASE-MOUNTED AND DRUM HOISTS v 1926. 554 OVERHEAD HOISTS v 1926. 555 CONVEYORS v 1926. 556 AERIAL LIFTS
v Must comply with the manufacturer’s specifications or have engineers determination v No attachments exceeding limitations v All ratings, capacities, warnings and instructions posted on equipment v All information visible to operator
v ANSI hand signals posted on site v Competent person for inspections v Documented through annual inspections v Wire rope inspection criteria v Guarding of moving parts v Swing radius barricaded
v Monitor exhaust in enclosed spaces v Windows - safety glass with no distortion v Safe access to cab v Fire extinguisher - minimum 5 BC v Powerline clearance 10 ft. minimum
v Manufacturers approval for modifications v Employees clear of suspended loads v Must comply with ANSI B 30. 5 (except 5 -2. 1. 5) v Must comply with PCSA #2 (Hydraulic)
v Powerline contact v Swing radius crushing v Structural failure v Rigging failure v Tipover
v Improper setup 4 Inadequate outrigger cribbing 4 Unstable ground (Utilities, uncompacted soil, etc. ) 4 Unlevel crane (Reduction in capacities upto 50%) 4 Inspection failure - damaged components
v Overload 4 Mechanical failure 4 Hydraulic failure 4 Impact loading 4 Side loading 4 Wind
v Minimum clearance 10 ft. up 50 k. V plus 0. 4 inches for each 1 k. V over 50 k. V. v In transit with no load 44 ft. - upto 50 k. V 410 ft - 50 kv to 345 k. V 416 ft - upto 750 k. V
When the crane moves to within the booms length a designated signal person is required !
v Prohibited Zone 4 Upto 50 k. V 10 ft. 4 50 to 200 k. V 15 ft. 4 200 to 350 k. V 20 ft. 4 350 to 500 k. V 25 ft. 4 500 to 750 k. V 35 ft. 4 750 to 1000 k. V 45 ft.
v. Running Rope (Removal) 4 6 broken wires (random) in 1 lay 4 3 broken wires 1 strand 1 lay 4 Wear equal to 1/3 original diameter of outside wires 4 Kinking, crushing, bird caging, corrosion, etc. 4 Heat damage (any source)
v Reduction in rope diameter (removal) 4 1/64 for rope upto 5/16 4 1/32 for rope upto 1/2 4 3/64 for rope upto 3/4 4 1/16 for rope upto 7/8 to 1 1/8 4 3/32 for rope upto 1 1/4 to 1 1/2
v Standing Rope 4 More than 2 broken wires in one lay (beyond end connections) 4 More than 1 at the end connection
v Crane within 1% of level v Crane capacity reduced by 50% v Live boom machines prohibited v Boom angle indicator required v Anti two block device required
v Controlled load lowering required (Free fall is prohibited) v Trial lift required 4 Loaded to anticipated weight 4 From ground to each anticipated location 4 Repeated after each move
v Proof test required 4 At each jobsite, test platform to 125% of rated capacity -ANSI 200% 4 Hold suspended for 5 minutes v Pre-lift meeting required 4 Operator, signalperson, personnel to be lifted and supervision
v Winds shall not exceed 15 mph (ANSI) v Taglines shall be used v Operator must remain at controls at all times, when platform is occupied
lbs 575 500 lbs. . . 1000 s. l 8 450 71 lb 1000 . s. b 8 71 600 . . lbs 500 lbs. . 575 1000 600 1000 lbs. . 300 1000
Shackle use • Use only the proper pin, never replace with a bolt. • Never use a screw pin shackle if the pin can roll under load.
One lay
Wire rope
Mechanical splice
END • This publication was made possible by grant numbers 5 U 45 ES 06182 -13 AND 5 U 45 ES 09763 -13 from the National Institute of Environmental Health Sciences (NIEHS), NIH. Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the NIEHS, NIH.
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