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

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Cranes, Derricks, Hoists, Elevators,
Conveyorsfor Construction
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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

• Dont use a crane
• Exceptions
• Hoisting procedure
• Load line strength
• Uniformly level
• Total weight

11a
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Personnel platform design

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

12a
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Personnel platform design

• Standing headroom
• Hard hats
• Overhead protection
• Marked accordingly
• Rated load capacity

12b
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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
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Inspection after trail lift

• Competent person inspects
• Crane or derrick
• Rigging

14a
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Inspection after trail lift

• Personnel platform
• Base support
• Determine defects/adverse effects

14b
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Proof testing

• Proof test to 125 rated capacity
• Competent person inspects
• Correct deficiencies

15a
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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
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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

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
• Mfgs specifications

22a
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Conveyors

• Audible warning signal
• Emergency stop switches
• Guard screw conveyors
• Working blew conveyor
• Mark all crossovers
• Lockout/tagout
• ANSI B20.1-1957

23a