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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  Prior each use  During use  Safe operating condition  Annual inspection  Maintain records 4a

6 Wire rope  Take out of service  ANSI B 30.5-1968  SAE J959-1966 5a

7 Belts, gears, exhaust pipes  Reciprocating, rotating, moving parts  Guarded if dangerous  ANSI B 15.1-1958 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 8b

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/proceduresReview requirements/procedures Crane operatorCrane operator Signal personSignal person Employee to be liftedEmployee to be lifted Person responsiblePerson responsible Each new work locationEach new work location 18a

28 Helicopter cranes  Comply with FAA  Conduct briefing  Plan of operation 19a

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 blew conveyor  Mark all crossovers  Lockout/tagout  ANSI B20.1-1957 23a


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