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Powered Platform Safety
Session Objectives
• You will be able to:
Identify powered platform components
Recognize platform safety features
Understand inspection requirements
Use personal fall arrest systems properly
Follow safe work practices
Act effectively in an emergency
Building Owner Certification
– Equipment must
meet OSHA design
safety criteria
– Equipment must be
tested, inspected,
and maintained
– Equipment must be
certified by owner
Suspension Systems
– Transportable
outriggers
– Davits, ground-
or roof-rigged
systems
– Carriages for
horizontal
movement
Stabilization Systems
– Continuous
– Intermittent
– Button guided
– Angled roping
– Alternative
Hoisting Machines
• Hoisting machines must:
– Have a primary brake
– Have a secondary or emergency brake
– Be able to handle 125% of rated load
– Be able to stop overspeed descent
– Have moving parts and pinch points guarded
Platform Installation
• Requirements:
– Safe access for equipment maintenance
– Protective perimeter guardrail
– Dedicated, separate electrical power
– Lockable power disconnect switch
Load Capacity Design
– Capable of 4 times maximum load
– Hold 250 pounds per platform occupant
– Withstand 50 mph winds
– Connections able to handle vibration
– Load rating plate visible
Platform Safety Features
– 2 feet wide
– Slip-resistant floors
– Fire extinguisher
– Tool and material
storage
Platform Safety Features (cont.)
– Operating controls
on platform
– Maximum rated
speeds
– Safety access ways
– Vertical lifelines
for each occupant
Guardrails
– Working platforms
– Roofs and
access ways
– Top rails
– Midrails
– Toe board
• 1. What information is on
the load rating plate?
• 2. Where are the
emergency stops located?
• 3. How many vertical
lifelines must be
provided on a platform?
a. Manufacturer information
b. Load limit
c. Type of fuel used
b. Floor of platform
c. On the rails
a. At either end of the platform
a. Maximum of four
b. One for each workeron the platform
c. At least two
Safety Features: Multiple Choice
Safety Features
• Do you understand:
– Suspension and
stabilization systems?
– Hoisting machines?
– Platform installations?
– Load capacity and
design?
– Platform safety
features?
Equipment Inspections
– Inspection by a competent person
• Daily visual inspection
• Monthly maintenance and wire rope inspection
• Thorough annual inspection
• Inspection of system after any incident
– Certified records
Annual Inspections
– Building support
structures
– All platform
components
– Hoist control systems
– Parts subject to wear
Wire Suspension Rope Inspections
– Distortion,
such as kinks
– Evidence of
heat damage
– Deterioration
from corrosion
– Noticeable
rusting or pitting
– More than one
broken wire
Daily Inspections
– Learn to identify key
safety elements
– Report any damage
– Inspect governors and
secondary brakes
– Perform a hoist test
– Test controls and
emergency stops
– Look for visible defects
Personal Fall Arrest Systems
– Wear when on or
around powered
platforms
– Attach lanyard to
center of back
– Use one lifeline
per worker
– Properly tie off
– Check potential fall
path
Personal Fall Arrest Systems (cont.)
– Protect lanyards
from damage
– Inspect daily
– Do not use
defective
equipment
– Know how to use
your personal fall
arrest system
– Understand rescue
procedures
• Overload platforms
• Work on platform
with a slippery floor
• Carry flammable
liquids on platforms
• Operate platform
in bad weather
DON’T DO
Protect platforms from
corrosives or heat-
producing processes
Safe Work Practices
Safe Work Practices (cont.)
– Mount a wind-measuring anemometer
to platform
– Don’t let tools, materials, debris accumulate
– Keep stabilizer ties untangled
– Maintain voice communication
– Lock power disconnect “on”
Emergency Plans
– Written plan and
employee training
– Emergency
electrical operating
device
– Rescue operations
– Communications
Emergency Plans (cont.)
– Emergency alarms
– Emergency
escape routes
Safety Procedures:
True or False?
• Platforms need only be inspected
once a year.
• You shouldn’t work on a platform with
a slippery floor.
• It’s safe to carry flammable liquids on
platforms if there’s a fire extinguisher.
• You should maintain voice communication
with someone in the building while working
on a powered platform.
Safety Procedures
• Do you understand:
– Inspection requirements
and procedures?
– Proper use of personal
fall arrest systems?
– Safe work practices?
– Emergency procedures?
• Learn about powered platform hazards
and safety features
• Inspect equipment before each use
• Follow safe work practices
• Use the personal fall arrest system
• Learn emergency procedures
Questions
Acknowledgement
I ___________________________________, have completed the Powered Platform Safety training.
(Print Name)
Date: ________________
Please print the acknowledgement sheet, fill in requested information and deliver to Facilities
administrative office.