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Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction

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Presentation on theme: "Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction"— Presentation transcript:

1 Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction

2 Manufacturer's specs/limitations
Comply with them Specs not available? Attachments for cranes 1a

3 Conspicuously post Rated load capacities Recommended operating speeds
Special hazard warnings Instructions 2a

4 Hand signals operators
Prescribed by ANSI standard Post illustration of signals 3a

5 Competent person Inspect equipment Safe operating condition
Prior each use During use Safe operating condition Annual inspection Maintain records 4a

6 Wire rope Take out of service ANSI B SAE J 5a

7 Belts, gears, exhaust pipes
Reciprocating, rotating, moving parts Guarded if dangerous ANSI B Rev. 6a

8 Belts, gears, exhaust pipes
Guard/insulate exhaust pipes Internal combustion engines Test enclosed spaces 6b

9 Crane swing radius hazards
Barricade Prevent struck-by Prevent crushed-by 7a

10 Fuel transportation 29 CFR 1926 Subpart F On public highways
49 CFR Parts 177 and 393 8a

11 Fire extinguishers Accessible 5BC rating All operator stations/ cabs

12 Clearance near electrical lines
50 kV minimum 10 feet Over 50 kV 10 feet plus 9a

13 Equipment in transit Less than 50 kV 4 feet Over 50-345 kV 10 feet
Up to 750 kV 16 feet 9b

14 Observer Visual means difficult Designate observer Warn operator 9c

15 Modifying equipment Get written approval Change signage
Original safety factor Employee safeguarding 10a

16 Personnel platforms Don’t use a crane Exceptions Hoisting procedure
Load line strength Uniformly level Total weight 11a

17 Personnel platform design
Qualified engineer/qualified person Support capabilities Guardrail system Grab rail installed Access gates 12a

18 Personnel platform design
Standing headroom Hard hats Overhead protection Marked accordingly Rated load capacity 12b

19 Personnel platform use
Abide by work needs Employees, tools, materials Not just materials/tools Secure materials/tools Evenly distribute 12c

20 Trial lifts Unoccupied personnel platform Load to equal lift weight
Made from ground level 13a

21 Operator checks Systems, controls safety devices
No interferences exist 50% limit/ rated capacity 13b

22 Inspection after trail lift
Competent person inspects Crane or derrick Rigging 14a

23 Inspection after trail lift
Personnel platform Base support Determine defects/adverse effects 14b

24 Proof testing Proof test to 125% rated capacity
Competent person inspects Correct deficiencies 15a

25 Personnel platform safety
Body parts inside platform Secured to structure Operator remains at controls Indication of danger Continuous sight of Operator Body belt/harness system 16a

26 Traveling and hoisting
Prohibited Exception to rule Travel restrictions 17a

27 Pre-lift meeting Contents Review requirements/procedures
Crane operator Signal person Employee to be lifted Person responsible Each new work location 18a

28 Helicopter cranes Comply with FAA Conduct briefing Plan of operation

29 Material hoists Mfg's specs/limitations Post information
Defective wire rope 20a

30 Hoist operating rules Established and posted Signal system
Allowable line speed Post on car frame "No Riders Allowed" 21a

31 Overhead hoists Safe working load Supporting structure load
Hoist installation Air hoists Mfg’s specifications 22a

32 Conveyors Audible warning signal Emergency stop switches
Guard screw conveyors Working blow conveyor Mark all crossovers Lockout/tagout ANSI B 23a


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