Summary Statement
An in-depth presentation on regulations covering cranes, derricks, helicopters, hoists, and conveyors, hazards commonly seen while using them and a quiz.
- Cranes and Derricks
- 1926.550
- Helicopters -
1926.551
- Material Hoists,
Personnel Hoists, and Elevators - 1926.552
- Base-Mounted Drum
Hoists - 1926.553
- Overhead Hoists
- 1926.554
- Conveyors - 1926.555
![](/record/document/1584/1.jpg)
........and a few other pieces of equipment
Cranes and Derricks - 1926.550
- General Requirements
- Follow manufacturer’s
specs and limits
- Capacities,
speeds, warnings, instructions posted in view of operator
- ANSI standard
hand signals posted at site
- Annual inspection
documented
- Follow manufacturer’s
specs and limits
![](/record/document/1584/2.jpg)
![](/record/document/1584/3.jpg)
Improper Footing
![Photo of Improper Footing](/record/document/1584/4.jpg)
![Photo of Improper Footing](/record/document/1584/5.jpg)
![Photo of Improper Footing](/record/document/1584/6.jpg)
Wire ropes must be inspected prior to use each day.
(Synthetic webbing slings must be inspected according to its specific standard 1926.251(e).)
Wire Rope Removed From Use When:
- 6 broken wires
in 1 lay, 3 in 1 strand
- for example 3/4 inch, 6 x 19 IWRC is one lay or six inches.
- Outer wires worn
1/3 original diameter
- Birdcaged, crushed,
kinked
- Heat damaged
- Reductions from nominal diameter
![](/record/document/1584/7.jpg)
Cranes and Derricks - 1926.550
- Belts, gears,
shafts, pulleys, etc. guarded
- Swing radius barricaded
- Exhaust pipes
guarded or insulated
- Exhaust in enclosed spaces - air monitoring
- Windows in cabs
- no distortion
- Ladder or
steps to cab roof
- Guardrails,
handholds, steps to cab
- Anti-skid
walking surfaces
- Fire extinguisher of 5BC rating
- Ladder or
steps to cab roof
- If operator has
no clear view, spotter needed
- Work near transmitter towers may require grounding cables
![](/record/document/1584/8.jpg)
At LEAST 10 ft. from wires
![](/record/document/1584/9.jpg)
![](/record/document/1584/10.jpg)
Cranes and Derricks - 1926.550
- General Requirements
- NO modifications
or additions without manufacturer’s written approval.
- All employees clear of suspended loads at all times.
- NO modifications
or additions without manufacturer’s written approval.
![Photo of Mark's first crane](/record/document/1584/11.jpg)
![Illustration of Recommended Hand Signals](/record/document/1584/12.jpg)
Crawlers and Locomotives
- Compliance with
ANSI B30.5-1968
- Record of inspections
on file
- Jibs have positive stops to prevent overbooming of more than 5 degrees above the straight line of the jib
![Illustration of Tower Crane](/record/document/1584/13.jpg)
![](/record/document/1584/14.jpg)
Slewing unit of tower crane
![Photo of Slewing unit of tower crane](/record/document/1584/15.jpg)
![](/record/document/1584/16.jpg)
![](/record/document/1584/17.jpg)
Hammerhead Tower Cranes - 1926.550
- Employees tied
off on horizontal booms
- Buffers at
each end of trolley
- Limit switches
in place
- Manufacturer’s
recommendations
- Adequate clearances maintained
- Buffers at
each end of trolley
![illustration of Suspended Personnel Platforms](/record/document/1584/18.jpg)
![](/record/document/1584/19.jpg)
![](/record/document/1584/20.jpg)
Personnel baskets (Personnel platforms)
- Rule #1- May only be used when there is NO OTHER safe means of performing the work! Personnel baskets are the tool of last resort.
-
Brakes set, level
within 1% of grade
Derate machine capacity 50%
Load line safety factor 7-10 times
No live boom machines
Telescoping boom length indicator
No free fall- power up & power down
![Photo of Positive anti-two block device](/record/document/1584/21.jpg)
Anemometer
![Photo of Anemometer](/record/document/1584/22.jpg)
Cranes and Derricks - 1926.550
- Suspended Personnel
Platforms Design
- Support 5
times intended load
- Guardrail,
enclosed from midrail to toeboard, grab rail installed inside
- Hard hats
and overhead protection
- Welding by
qualified welder
- Weight of
platform and rated capacity marked
- Support 5
times intended load
- Master link or
shackle for bridle legs
- Eyes fabricated
with thimbles
- Eyes fabricated
with thimbles
- Rigging used only
for personnel basket
- Basket landed
or secured before entry
- Employees tied
off to basket
Helicopters - 1926.551
- Federal Aviation
Administration regulations
- Briefing (includes
emergency drop zone)
- Slings and tag
lines, cargo hooks
- Personnel Protective
Equipment
- Hooking and unhooking
(static electricity)
- Signal systems,
visibility, & communication
- Approach distance
and approaching
- Fires
![Photo of Air crane at McKee Foods](/record/document/1584/23.jpg)
![](/record/document/1584/24.jpg)
![](/record/document/1584/25.jpg)
Material Hoists, Personnel Hoists, and Elevators - 1926.552
- General Requirements
- Manufacturer’s
specifications and limitations
- Capacities,
speeds, hazard warnings posted
- Removal of
damaged wire rope
- Manufacturer’s
specifications and limitations
![](/record/document/1584/26.jpg)
![](/record/document/1584/27.jpg)
Material Hoists
- Operating rules
established and posted at operator station - No riders
- Entrances to hoistways
protected
- Overhead protection
- cages, platforms, operator stations
- Hoist tower enclosures
- Car arresting
devices in case of rope failure
- Designed by professional
engineer
![](/record/document/1584/28.jpg)
![](/record/document/1584/29.jpg)
Personnel Hoists and Elevators - 1926.552
- Tower anchored
to structure every 25 ft.
- Cars permanently
enclosed on all sides except entrance
- Doors or 78”-high
gates at each level
- Electric safety
contacts on doors/gates
- Capacity and data
posted
- Emergency stop
switch inside car
- Inspection and testing before use and every 3 months
- Failure to guard
swing radius
- Operating near
power lines
- No load chart
- Unnecessary use
of personnel basket
![Photo of crane tipping over](/record/document/1584/30.jpg)
![](/record/document/1584/31.jpg)
![](/record/document/1584/32.jpg)
![](/record/document/1584/33.jpg)
![](/record/document/1584/34.jpg)
What Questions Do You Have On Cranes, Derricks, Hoists, and Conveyors?
- Now I have a few
questions
- Please turn to
the Crane Test page in your handout material
- The CLOSEST crane
approach to live power
line?
- Suspended personnel
platforms may ONLY
be used when?
- Are broken wires
allowed?
- The size extinguisher for a crane?
- No CLOSER than
10 feet
- When there’s
no other safe way to work
- No more than
6 in 1 lay, 3 in 1 strand
- 5 BC Extinguisher (minimum)