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

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Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction
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Page 1: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Cranes, Derricks, Hoists, Elevators, &

Conveyors for Construction

Page 2: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Manufacturer's specs/limitations

• Comply with them

• Specs not available?

• Attachments for cranes

1a

Page 3: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Conspicuously post

• Rated load capacities

• Recommended operating speeds

• Special hazard warnings

• Instructions

2a

Page 4: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Hand signals operators

• Prescribed by ANSI standard

• Post illustration of signals

3a

Page 5: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Competent person

• Inspect equipment • Prior each use• During use

• Safe operating condition

• Annual inspection

• Maintain records

4a

Page 6: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Wire rope

• Take out of service

• ANSI B 30.5-1968

• SAE J959-1966

5a

Page 7: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Belts, gears, exhaust pipes

• Reciprocating, rotating, moving parts

• Guarded if dangerous

• ANSI B 15.1-1958 Rev.

6a

Page 8: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Belts, gears, exhaust pipes

• Guard/insulate exhaust pipes

• Internal combustion engines

• Test enclosed spaces

6b

Page 9: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Crane swing radius hazards

• Barricade

• Prevent struck-by

• Prevent crushed-by

7a

Page 10: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Fuel transportation

• 29 CFR 1926 Subpart F

• On public highways

• 49 CFR Parts 177 and 393

8a

Page 11: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Fire extinguishers

• Accessible

• 5BC rating

• All operator stations/cabs

8b

Page 12: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Clearance near electrical lines

• 50 kV minimum10 feet

• Over 50 kV 10 feet plus

9a

Page 13: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Equipment in transit

• Less than 50 kV 4 feet

• Over 50-345 kV 10 feet

• Up to 750 kV 16 feet

9b

Page 14: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Observer

• Visual means difficult

• Designate observer

• Warn operator

9c

Page 15: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Modifying equipment

• Get written approval

• Change signage

• Original safety factor

• Employee safeguarding

10a

Page 16: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Personnel platforms

• Don’t use a crane

• Exceptions

• Hoisting procedure

• Load line strength

• Uniformly level

• Total weight

11a

Page 17: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Personnel platform design

• Qualified engineer/qualified person• Support capabilities• Guardrail system • Grab rail installed • Access gates

12a

Page 18: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Personnel platform design

• Standing headroom

• Hard hats

• Overhead protection

• Marked accordingly

• Rated load capacity

12b

Page 19: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Personnel platform use

• Abide by work needs

• Employees, tools, materials

• Not just materials/tools

• Secure materials/tools

• Evenly distribute

12c

Page 20: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Trial lifts

• Unoccupied personnel platform

• Load to equal lift weight

• Made from ground level

13a

Page 21: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Operator checks

• Systems, controls safety devices

• No interferences exist

• 50% limit/rated capacity

13b

Page 22: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Inspection after trail lift

• Competent person inspects

• Crane or derrick

• Rigging

14a

Page 23: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Inspection after trail lift

• Personnel platform

• Base support

• Determine defects/adverse effects

14b

Page 24: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Proof testing

• Proof test to 125% rated capacity

• Competent person inspects

• Correct deficiencies

15a

Page 25: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

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

Page 26: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Traveling and hoisting

• Prohibited

• Exception to rule

• Travel restrictions

17a

Page 27: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Pre-lift meeting

• Contents – Review requirements/procedures– Crane operator– Signal person– Employee to be lifted– Person responsible – Each new work location

18a

Page 28: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Helicopter cranes

• Comply with FAA

• Conduct briefing

• Plan of operation

19a

Page 29: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Material hoists

• Mfg's specs/limitations

• Post information

• Defective wire rope

20a

Page 30: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Hoist operating rules

• Established and posted

• Signal system

• Allowable line speed

• Post on car frame

• "No Riders Allowed"

21a

Page 31: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Overhead hoists

• Safe working load

• Supporting structure load

• Hoist installation

• Air hoists

• Mfg’s specifications

22a

Page 32: Cranes, Derricks, Hoists, Elevators, & Conveyors for Construction.

Conveyors

• Audible warning signal

• Emergency stop switches

• Guard screw conveyors

• Working blow conveyor

• Mark all crossovers

• Lockout/tagout

• ANSI B20.1-1957

23a


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