Cranes Derricks Hoists Elevators Conveyors for Construction Manufacturers
- Slides: 32
Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction
Manufacturer's specs/limitations v Comply v Specs with them not available? v Attachments for cranes 1 a
Conspicuously post v Rated load capacities v Recommended operating speeds v Special hazard warnings v Instructions 2 a
Hand signals operators v Prescribed v Post by ANSI standard illustration of signals 3 a
Competent person v Inspect equipment v Prior each use v During use v Safe operating condition v Annual inspection v Maintain records 4 a
Wire rope v Take out of service v ANSI B 30. 5 -1968 v SAE J 959 -1966 5 a
Belts, gears, exhaust pipes v Reciprocating, parts v Guarded v ANSI rotating, moving if dangerous B 15. 1 -1958 Rev. 6 a
Belts, gears, exhaust pipes v Guard/insulate v Internal v Test exhaust pipes combustion engines enclosed spaces 6 b
Crane swing radius hazards v Barricade v Prevent struck-by v Prevent crushed-by 7 a
Fuel transportation v 29 CFR 1926 Subpart F v On public highways v 49 CFR Parts 177 and 393 8 a
Fire extinguishers v Accessible v 5 BC rating v All operator stations/ cabs 8 b
Clearance near electrical lines v 50 k. V minimum 10 feet v Over 50 k. V 10 feet plus 9 a
Equipment in transit v Less than 50 k. V 4 feet v Over 50 -345 k. V 10 feet v Up to 750 k. V 16 feet 9 b
Observer v Visual means difficult v Designate observer v Warn operator 9 c
Modifying equipment v Get written approval v Change signage v Original safety factor v Employee safeguarding 10 a
Personnel platforms v Don’t use a crane v Exceptions v Hoisting procedure v Load line strength v Uniformly level v Total weight 11 a
Personnel platform design v Qualified engineer/qualified person v Support capabilities v Guardrail system v Grab rail installed v Access gates 12 a
Personnel platform design v Standing headroom v Hard hats v Overhead protection v Marked accordingly v Rated load capacity 12 b
Personnel platform use v Abide by work needs v Employees, tools, materials v Not just materials/tools v Secure materials/tools v Evenly distribute 12 c
Trial lifts v Unoccupied personnel platform v Load to equal lift weight v Made from ground level 13 a
Operator checks v Systems, devices v No controls safety interferences exist v 50% limit/rated capacity 13 b
Inspection after trail lift v Competent v Crane person inspects or derrick v Rigging 14 a
Inspection after trail lift v Personnel v Base platform support v Determine effects defects/adverse 14 b
Proof testing v Proof test to 125% rated capacity v Competent v Correct person inspects deficiencies 15 a
Personnel platform safety v Body parts inside platform v Secured to structure v Operator remains at controls v Indication of danger v Continuous sight of Operator v Body belt/harness system 16 a
Traveling and hoisting v Prohibited v Exception v Travel to rule restrictions 17 a
Pre-lift meeting v Contents • Review requirements/procedures • Crane operator • Signal person • Employee to be lifted • Person responsible • Each new work location 18 a
Helicopter cranes v Comply with FAA v Conduct v Plan briefing of operation 19 a
Material hoists v Mfg's v Post specs/limitations information v Defective wire rope 20 a
Hoist operating rules v Established and posted v Signal system v Allowable line speed v Post on car frame v "No Riders Allowed" 21 a
Overhead hoists v Safe working load v Supporting structure load v Hoist installation v Air hoists v Mfg’s specifications 22 a
Conveyors v Audible warning signal v Emergency stop switches v Guard screw conveyors v Working blew conveyor v Mark all crossovers v Lockout/tagout v ANSI B 20. 1 -1957 23 a
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