Height Work Safety

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Height Work Safety
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HIGH INCIDENCES OF FATAL ACCIDENTS WHILE WORKING
AT HEIGHT
Miscellaneous
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Transport vehicle
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Electrocution
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Fall of Object
Fall of Person 57
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Ways to prevent accident while working at HEIGHT

• A. Fall Prevention - by analyzing.
• Approach Risk
• Work area Risk
• Work method Risk
• 3M Risk
• B. Fall Protection -
• Using PPEs -Safety Helmet.
• -Safety Harness.
• Safety Net.
• Fall Arrester - Different type fall arresting
  Gadgets.

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WORKING AT HEIGHT

• FALL PREVENTION METHODS

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LADDERS

• Angle of Inclination
• Extension off landing

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LADDER
If the only means of doing the task is using a
ladder.

• PORTABLE
• STOCK (SINGLE)
• EXTENSION (2 or 3)
• SECTIONAL
• STEP (FLAT STEP)
• TRESTLE (CIRCULAR)
• BUILT-UP / FIXED
• ROPE

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Few Dos Donts
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Few Dos Donts

Rails must be able to withstand a force of
75kgs. /mt.
Do not use the top or top step of a stepladder as
a step
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Few Dos Donts

Advent to electrical supply. Nonconductive
siderails such as wood or fiberglass.
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SCAFFOLD
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Scaffolding

• SCAFFOLD NOMENCLATURE
• INDEPENDENT SCAFFOLD
• PUTLOG SCAFFOLD.
• MOBILE SCAFFOLD.
• TRUSS-OUT SCAFFOLD
• TRESTLE SCAFFOLD
• BIRDCAGE SCAFFOLD
• SLUNG SCAFFOLD
• CANTILEVER SCAFFOLD
• SUSPENDED SCAFFOLD

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Right Method of Scaffolding

• Erect First Tower Adjust and ensure the top
  level is same. Connect all pin bracing

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Right Method of Scaffolding
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DOKA SCAFFOLDING

• Welded frames place alternate.
• Connect all towers with spring lock pin.
• From second tower onwards, use safety belt,
  walkway platform.
• The units lift by good quality PP rope.
• Bracing of towers at every 6M . also applicable
  for stair tower also.

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Right Method of Scaffolding
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MOBILE SCAFFOLD
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Access egress in heavy duty tower (HDT) system
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Few Dos Donts
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WORKING PLATFORM
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Working Platform
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WORK-PLATFORM

• 600 mm WHEN USED FOR PERSON
• 800 mm WHEN USED FOR PERSON MATERIAL
• OVERHANG
• minimum 50 mm
• maximum 4 times the thk of the board.
• Allowable max. span between supports
• 1.5 thick plank 1.5 m
• 2 thick plank 2.6 m

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Guardrails
Top Rail Mid- Rail Toeboard

• Top rails between 900mm ht.
• Toeboards at least 150 width

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Scaffold Inspection

• Competent person inspects
• On receipt, before use and weekly after
  installation
• Red tag Green Tag
• Procedure PM-08-A3

Deformed bearer
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SCAFFOLD INSPECTION
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OPENINGS

• Covered or Guarded
• .

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View of opening from Top
View of opening from bottom
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Gate for Lift Shaft Door Opening
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Few Do's Donts
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Openings at the sides of the rubbish chute that
are not barricaded
Lift shaft openings which are not barricaded
Floor Openings without cover or barricades
Open Sides a building that are not barricaded
Stairways without railings.
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Workers may fall thru and get injured.
Debris and other materials may fall through
uncovered openings.
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Unprotected Sides Edges
Unprotected edge
Unprotected sides and edges must have guardrails
or equivalent
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Sides Edges - Improper Guarding
This 1/4" nylon rope alone is not a proper way to
guard this open floor
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MAN BASKET

• SWL displayed
• Bridle Hitch.
• Included angle between the slings not than 90o .
• Factor of safety - 10.
• Daily Inspection
• Lanyard hooked to crane hook

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Work at Height
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WORKING AT HEIGHT
FALL PROTECTION METHODS
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SAFETY EQUIPMENT DEVICES
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• Full Body Harness
• For more than 2.0 m height.
• Lanyard to be anchored to a fixed point.
• Free-fall not to exceed 1.80m
• Lanyard not more than 2m.

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FULL BODY SAFETY HARNESS
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• LIFE LINE
• It is a static line
• Used while moving at height.
• PP rope of 25 mm minimum or 8 mm wire rope.
• Must facilitate shifting of lanyard.

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USE OF LIFE LINE
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Safety Line Anchorages

• Must be independent of any platform anchorage and
  capable of supporting at least 5,000 lbs. per
  worker

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Floor Edge Barricades